A method for transmitting data in a wireless communication network with at least one radio frequency channel, the method comprising: transmitting the data over the at least one radio frequency channel in a sequence of a predetermined number of timeslots, wherein: (a) two or more users of the network share the given radio frequency channel and a given timeslot, (b) the data from the users is transmitted in the network using frequency hopping in which each of the users has a frequency hopping sequence, (c) the data of each user sharing the given timeslot in the given radio frequency channel is transmitted in a sub-channel of the given timeslot that is substantially orthogonal to other sub-channels of the given timeslot, and (d) the given timeslot includes a guard time sub-channel that is: (i) substantially orthogonal to other sub-channels of the given timeslot, (ii) located at the end of the given timeslot, (iii) not used to transmit the data from the users, and (iv) shared between the users, thereby enabling a receiver, receiving the data transmitted over the at least one radio frequency channel after propagation delay causing one or more of the sub-channels of the given timeslot to at least partly superimpose, to separate the one or more at least partly superimposed sub-channels by using the guard time sub-channel and utilizing a non-orthogonal access method.
A safety device for a weapon, including: condition determination module to: receive data from sensors and determine, whether operating conditions are met, and receive operational command and determine, whether mission readiness state should be initiated; weapon control module to receive signals and operate electronic safe and arm device (ESAD) of the weapon based on the signals, wherein the signals include: first and second condition fulfilment signals indicating that first and second conditions are fulfilled and that first and second static switches of the ESAD should be closed; mission readiness initiation signal indicating that mission readiness state is initiated and that dynamic switch of the ESAD should be closed; mission execution signal switch; and mission control module configured to: receive mission execution conditions fulfilment signal and close the mission execution signal switch, and transmit mission execution signal to the ESAD to actuate a detonator to trigger a payload of the weapon.
F42C 15/40 - Dispositifs d'armement des fuséesDispositifs de sécurité pour empêcher l'explosion prématurée des fusées ou des charges dans lesquels l'action de sécurité ou d'armement s'effectue électriquement
F42C 15/00 - Dispositifs d'armement des fuséesDispositifs de sécurité pour empêcher l'explosion prématurée des fusées ou des charges
A transceiver subsystem comprising at least: a transmitter (Tx) subsystem configured to spread obtained data signals; a receiver (Rx) subsystem configured to receive and de¬ spread spread spectrum signals; and an illumination unit, comprising at least one light source, the illumination unit being configured to generate optical frequency combs (OFCs) and direct each OFC through one of at least two different optical paths, where the Tx Subsystem and the Rx subsystem use the same illumination unit and the same at least two OFCs, for both spreading and de-spreading of signals. A receiver subsystem for de- spreading of received spread spectrum signals that uses a synchronization subsystem having a pulse generator configured to introduce gating pulses into one of two optical paths; and a synchronization module configured at least to perform a search for determining a timing Tc of a correlation pulse, selecting at least one correlation pulse for de-spreading thereof.
H04L 7/00 - Dispositions pour synchroniser le récepteur avec l'émetteur
4.
WIRELESS COMMUNICATIONS SYSTEM CONFIGURED TO SUPPRESS TRANSMITTER NOISE AND HARMONIC DISTORTION IN WIRELESS TRANSMISSION SIGNALS AND METHOD FOR PERFORMING THE SAME
A wireless communications system comprises a transmitter and a narrowband fdters bank coupled between the transmitter and a transmission antenna. The filters bank includes tunable narrowband filters that are capable of operating at a Radio Frequency (RF) power of 50 Watts or more. The system further comprises a power detector, a phase detector and a controller. The power detector detects a forward and reflected power of a given wireless signal at the transmission antenna. The phase detector detects a phase of the given wireless signal at the transmission antenna. The controller determines a phase change in a modulated digital RF signal associated with the given wireless signal, based on the detected phase, and, based on the detected forward and reflected power and the phase change, tunes a given tunable narrowband filter, of the tunable narrowband filters, that filters the given wireless signal.
H03F 1/08 - Modifications des amplificateurs pour réduire l'influence défavorable de l'impédance interne des éléments amplificateurs
H03F 1/00 - Détails des amplificateurs comportant comme éléments d'amplification uniquement des tubes à décharge, uniquement des dispositifs à semi-conducteurs ou uniquement des composants non spécifiés
5.
RADIO SYSTEM INCLUDING ONE OR MORE TUNABLE LOW PASS FILTERS FOR SUPPRESSING HARMONICS AND AN ASSOCIATED METHOD
A radio system comprises: a wide-band transmitter configured to generate one or more radio transmission signals; and one or more tunable low pass filters (LPFs), coupled between the wide-band transmitter and a transmission antenna, each of the tunable LPFs being configured to filter one or more given transmission signals of the radio transmission signals. Each of the tunable LPFs includes a printed part consisting of printed components, and a discrete part consisting of discrete components. The radio system further comprises a controller configured to tune a given tunable LPF of the tunable LPFs for filtering a given transmission signal of the given transmission signals that are filtered by the given tunable LPF, by manipulating the printed part and the discrete part of the given tunable LPF.
A method and a system for simultaneous semantic mapping and investigation of a built environment are provided herein. The method may include: obtaining distance readings from a moving agent to a built environment; applying the distance readings to a semantic classifier thereby classifying a set of the distance readings into respective semantic built elements selected from a predefined list of two or more types of built elements; repeating the classifying of the distance readings until a connected set of built elements is generated, defining a built volume; detecting at least one opening in the built volume leading to a further built volume; repeating said obtaining, said applying and said classifying, until a connected set of built elements is generated, defining the further built volume; and generating a vectorial map semantically representing the built elements in each of the built volume and the further built volume, and the opening therebetween.
G06F 30/13 - Conception architecturale, p. ex. conception architecturale assistée par ordinateur [CAAO] relative à la conception de bâtiments, de ponts, de paysages, d’usines ou de routes
A system for determining a geolocation of a mobile object movable through a terrain in a Global Navigation Satellite System (GNSS) signal attenuated environment is provided herein. The system may include: a sensor mountable on the mobile object and configured to obtain a dataset of a scene including three or more scene points; a digital storage unit configured to store a semantically segmented reference dataset representing the scene, the semantically segmented reference dataset having a reference coordinate system; and a processing unit configured to: determine three or more distances between the sensor and the three or more scene points; generate, based on the determined distance, an object semantically segmented projection dataset comprising a projection of the detected three or more scene points in the reference coordinate system; register the semantically segmented projection dataset with respect to the semantically segmented reference dataset; and identify the respective scene points real-world geographical locations.
G01C 21/00 - NavigationInstruments de navigation non prévus dans les groupes
G06T 7/33 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images utilisant des procédés basés sur les caractéristiques
G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques
8.
UNMANNED AERIAL VEHICLES (UAVs) AND CARRIER PLATFORMS THEREFOR
A system for unmanned vehicles and carriers therefor having a propulsion system, anchoring system, anchoring sites and a locking and unlocking mechanism. A carrier having one or more arresting locations. The propulsion system has at least one propeller for each rotor and at least one blade capable of rotating for each rotor. The locking and unlocking mechanism has a switching member such as a rod. The switching member in a standby position is in the path of the rotating propeller blade and upon being displaced into a position not in the path of the rotating blade is in an unlocking position sending a signal to unlock the UAV from the anchoring site.
B64U 70/20 - Dispositions pour le lancement, le décollage ou l'atterrissage pour lancer ou capturer en vol les véhicules aériens sans pilote via un autre aéronef
B64U 70/93 - Plates-formes portables pour l’utilisation sur un véhicule terrestre ou nautique
B64U 70/99 - Moyens de rétention du véhicule aérien sans pilote sur la plate-forme, p. ex. chiens ou aimants
The presently disclosed subject matter aims for a search and rescue system and method for a secure Direction Finding (DF) that utilizes a stealth communication technique between the search platform's radio and the radio of the survivor. The search and rescue system and method contain an omnidirectional antenna including a plurality of sectors, each capable of receiving one or more spread-spectrum signals composed of one or more symbols multiplied by a spread spectrum sequence, from a corresponding direction.
G01S 13/76 - Systèmes utilisant la reradiation d'ondes radio, p. ex. du type radar secondaireSystèmes analogues dans lesquels des signaux de type pulsé sont transmis
H04B 1/707 - Techniques d'étalement de spectre utilisant une modulation par séquence directe
A wireless data transmission system and method is disclosed. A given frame comprising a distinct message is transmitted to a designated receiver. Responsive to a failure of the designated receiver to detect the distinct message, one or more first copies of the distinct message are added to at least one first subsequent frame of one or more subsequent frames, subsequent to the given frame, designating the designated receiver. Moreover, one or more second copies of the distinct message are added to at least one second subsequent frame of the subsequent frames, wherein a first number of the first copies is different than a second number of the second copies. The first copies and the second copies are added to meet a Quality of Service (QoS) requirement for a communication link between the wireless data transmission system and the designated receiver and a delay requirement for the communication link.
A wireless transmitting method comprising: obtaining a first-spread-spectrum-signal (SS1-signal); producing a doubly-spread-spectrum-signal (SS2-signal) from the SS1-signal utilizing a spreading-sequence out of at least one spreading-sequence; modulating the SS2-signal to a Radio-Frequency SS2-signal (RF-SS2-signal); and transmitting the RF-SS2-signal.
A Frequency-Division Duplex (FDD) transceiver employing frequency-selective multi-band self-interference cancellation is disclosed. The FDD transceiver includes a transmitter and a receiver; a tunable notch filter that is located between a receiver antenna and the receiver, and configured to mitigate or reject a main lobe of a leakage of a transmission signal, output by the transmitter, at the receiver antenna of the receiver; and an adaptive filter, coupled between the transmitter and the receiver, and configured to generate a canceling signal that is injected into the receiver for frequency-selective compensation of the leakage of the transmission signal in at least two receiver bands.
H04B 1/525 - Dispositions hybrides, c.-à-d. dispositions pour la transition d’une transmission bilatérale sur une voie à une transmission unidirectionnelle sur chacune des deux voies ou vice versa avec des moyens de réduction de la fuite du signal de l’émetteur vers le récepteur
H04L 25/03 - Réseaux de mise en forme pour émetteur ou récepteur, p. ex. réseaux de mise en forme adaptatifs
H04B 1/00 - Détails des systèmes de transmission, non couverts par l'un des groupes Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission
The presently disclosed subject matter aims for a search and rescue system and method for a secure Direction Finding (DF) that utilizes a stealth communication technique between the search platform's radio and the radio of the survivor. The search and rescue system and method contain an omnidirectional antenna including a plurality of sectors, each capable of receiving one or more spread-spectrum signals composed of one or more symbols multiplied, by a spread spectrum sequence, from a corresponding direction.
G01S 3/02 - Radiogoniomètres pour déterminer la direction d'où proviennent des ondes infrasonores, sonores, ultrasonores ou électromagnétiques ou des émissions de particules sans caractéristiques de direction utilisant des ondes radio
G01S 3/04 - Radiogoniomètres pour déterminer la direction d'où proviennent des ondes infrasonores, sonores, ultrasonores ou électromagnétiques ou des émissions de particules sans caractéristiques de direction utilisant des ondes radio Détails
14.
Devices, systems and methods for navigating a mobile platform
Aspects of embodiments to systems and methods for navigating a mobile platform using an imaging device on the platform, from a point of origin towards a target located in a scene, and without requiring a Global Navigation Satellite system (GNSS), by employing the following steps: acquiring, by the imaging device, an image of the scene comprising the target; determining, based on analysis of the image, a direction vector pointing from the mobile platform to the target; advancing the mobile platform in accordance with the direction vector to a new position; and generating, by a distance sensing device, an output as a result of attempting to determine, with the distance sensing device, a distance between the mobile platform and the target. The mobile platform advanced towards the target until the output produced by the distance sensing device is descriptive of a distance which meets a low-distance criterion.
G01S 19/43 - Détermination de position utilisant les mesures de la phase de la porteuse, p. ex. le positionnement cinématiqueDétermination de position utilisant l'interférométrie à ligne de base longue ou courte
G05D 1/246 - Dispositions pour déterminer la position ou l’orientation utilisant des cartes d’environnement, p. ex. localisation et cartographie simultanées [SLAM]
G05D 1/644 - Optimisation des paramètres de parcours, p. ex. consommation d’énergie, réduction du temps de parcours ou de la distance
G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
G06V 20/17 - Scènes terrestres transmises par des avions ou des drones
G05D 101/15 - Détails des architectures logicielles ou matérielles utilisées pour la commande de la position utilisant des techniques d’intelligence artificielle [IA] utilisant l’apprentissage automatique, p. ex. les réseaux neuronaux
A method for transmitting data in a wireless communication network with at least one radio frequency channel, the method comprising: transmitting the data over the at least one radio frequency channel in a sequence of a predetermined number of timeslots, wherein: (a) two or more users of the network share the given radio frequency channel and a given timeslot, (b) the data from the users is transmitted in the network using frequency hopping in which each of the users has a frequency hopping sequence, (c) the data of each user sharing the given timeslot in the given radio frequency channel is transmitted in a sub-channel of the given timeslot that is substantially orthogonal to other sub-channels of the given timeslot, and (d) the given timeslot includes a guard time sub-channel that is: (i) substantially orthogonal to other sub-channels of the given timeslot, (ii) located at the end of the given timeslot, (iii) not used to transmit the data from the users, and (iv) shared between the users, thereby enabling a receiver, receiving the data transmitted over the at least one radio frequency channel after propagation delay causing one or more of the sub-channels of the given timeslot to at least partly superimpose, to separate the one or more at least partly superimposed sub-channels by using the guard time sub-channel and utilizing a non-orthogonal access method.
Embodiments pertain to an imaging system configured to reduce or prevent the effect of unwanted specular reflections reflected by specular surfaces located in a scene. The system comprises at least one image acquisition device for acquiring a scene image comprising a specular surface providing specular light reflections. The at least one image acquisition device comprises at least one first image sensor and imaging optics having an optical axis for guiding light received from the scene along the optical axis onto the at least one first image sensor. The system further comprises at least one polarization filter operably positioned between the at least one first image sensor and an object. The system is configured to determine a polarization filter orientation such that an amount of specular light reflections incident onto the at least one first image sensor is reduced or eliminated.
G06V 10/60 - Extraction de caractéristiques d’images ou de vidéos relative aux propriétés luminescentes, p. ex. utilisant un modèle de réflectance ou d’éclairage
G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
H04N 23/73 - Circuits de compensation de la variation de luminosité dans la scène en influençant le temps d'exposition
A method and a system for simultaneous semantic mapping and investigation of a built environment are provided herein. The method may include: obtaining distance readings from a moving agent to a built environment; applying the distance readings to a semantic classifier thereby classifying a set of the distance readings into respective semantic built elements selected from a predefined list of two or more types of built elements; repeating the classifying of the distance readings until a connected set of built elements is generated, defining a built volume; detecting at least one opening in the built volume leading to a further built volume; repeating said obtaining, said applying and said classifying, until a connected set of built elements is generated, defining the further built volume; and generating a vectorial map semantically representing the built elements in each of the built volume and the further built volume, and the opening therebetween.
A system for determining a geolocation of a mobile object movable through a terrain in a Global Navigation Satellite System (GNSS) signal attenuated environment is provided herein. The system may include: a sensor mountable on the mobile object and configured to obtain a dataset of a scene including three or more scene points; a digital storage unit configured to store a semantically segmented reference dataset representing the scene, the semantically segmented reference dataset having a reference coordinate system; and a processing unit configured to: determine three or more distances between the sensor and the three or more scene points; generate, based on the determined distance, an object semantically segmented projection dataset comprising a projection of the detected three or more scene points in the reference coordinate system; register the semantically segmented projection dataset with respect to the semantically segmented reference dataset; and identify the respective scene points real-world geographical locations.
A system and method for detecting movement of a non-light-of-sight (NLOS) object in a space outside a line-of-sight (LOS) of a camera is disclosed. The camera acquires a sequence of successive images that each include a set of pixels, at least a subset thereof representing a target, being at least part of a visible object located within the LOS of the camera and impacted by light scattered from the NLOS object. The set of pixels of two images of the sequence, acquired from different positions of the camera, are registered into a common coordinate system, giving rise to two registered images. A target light intensity value is calculated for both registered images based on at least part of the set of pixels representing the target in the respective registered image. Movement of the NLOS object is detected based on a variation in the target light intensity value between registered images.
A system and method for detecting movement of an object outside a line-of-sight of a camera is disclosed. The camera acquires images of a target that is impacted by light that is scattered from the object and by ambient light, and of a reference that is impacted by the ambient light. A processing circuitry can be configured to detect the movement of the object by calculating, for each of a plurality of acquired images, a compensated light intensity value (LIV), being a target LIV that is based on pixels in the respective acquired image that represent the target, as modified, based on a reference LIV that is based on pixels in the respective acquired image that represent the reference, to reduce an effect, on the target LIV, of changes in the ambient light during a time period between acquiring a given image and the acquiring of the respective acquired image.
A system for measuring temperature of one or more subjects within a scene including a reference object having an unknown emissivity, having an ambient temperature, the system comprising: a visible spectrum camera capable of acquiring images of the scene comprising (a) at least a Region of Interest (RoI) of each of the subjects, and (b) the reference object; a thermal image sensor capable of acquiring images of the scene comprising (a) at least the RoI of each of the subjects, and (b) the reference object; and a processing circuitry configured to: obtain (a) a visible spectrum image captured by the visible spectrum camera, and (b) a thermal image captured by the thermal image sensor, and (c) an indication of a scene ambient temperature within the scene; register the visible spectrum image and the thermal image onto a common coordinate system; identify (a) RoI pixels, on the common coordinate system, of the RoIs of the subjects within the visible spectrum image, (b) reference object pixels, on the common coordinate system, of the reference object within the visible spectrum image and (c) a parameter correlated to an emissivity of the reference object, based on the reference temperature and on the indication of the scene ambient temperature; determine (a) RoI temperatures by analyzing respective RoIs pixels on the thermal image, and (b) a reference temperature by analyzing the reference object pixels on the thermal image; and upon existence of a difference between the reference temperature and the scene ambient temperature, correct the RoI temperatures, based on the difference and utilizing the parameter, to compensate for the difference, giving rise to corrected RoI temperatures.
G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
G06T 7/33 - Détermination des paramètres de transformation pour l'alignement des images, c.-à-d. recalage des images utilisant des procédés basés sur les caractéristiques
A wireless data transmission system and method is disclosed. A given frame comprising a distinct message is transmitted to a designated receiver. Responsive to a failure of the designated receiver to detect the distinct message, one or more first copies of the distinct message are added to at least one first subsequent frame of one or more subsequent frames, subsequent to the given frame, designating the designated receiver. Moreover, one or more second copies of the distinct message are added to at least one second subsequent frame of the subsequent frames, wherein a first number of the first copies is different than a second number of the second copies. The first copies and the second copies are added to meet a Quality of Service (QoS) requirement for a communication link between the wireless data transmission system and the designated receiver and a delay requirement for the communication link.
A wireless transmitting method comprising: obtaining a first- spread- spectrum- signal (SS1- signal); producing a doubly-spread-spectrum-signal (SS2-signal) from the SSI -signal utilizing a spreading- sequence out of at least one spreading-sequence; modulating the SS2- signal to a Radio-Frequency SS2-signal (RF-SS2-signal); and transmitting the RF-SS2- signal.
H04B 1/7163 - Techniques d'étalement de spectre utilisant un signal radio impulsionnel
H03M 5/08 - Représentation du code par la largeur de l'impulsion
H04B 1/00 - Détails des systèmes de transmission, non couverts par l'un des groupes Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission
A fire mission managing device for a weapon system, the device may include: a fire mission managing module configured to: receive a fire mission from a weapon system managing module; and cause a weapon system ESA device to trigger a weapon system firearm to perform the fire mission; and a switch unit configured to: couple the fire mission managing module to the weapon system managing module if predefined safety conditions are fulfilled; and decouple the fire mission managing module from the weapon system managing module if at least one of the predefined safety conditions is not fulfilled.
Aspects of embodiments to systems and methods for navigating a mobile platform using an imaging device on the platform, from a point of origin towards a target located in a scene, and without requiring a Global Navigation Satellite system (GNSS), by employing the following steps: acquiring, by the imaging device, an image of the scene comprising the target; determining, based on analysis of the image, a direction vector pointing from the mobile platform to the target; advancing the mobile platform in accordance with the direction vector to a new position; and generating, by a distance sensing device, an output as a result of attempting to determine, with the distance sensing device, a distance between the mobile platform and the target. The mobile platform advanced towards the target until the output produced by the distance sensing device is descriptive of a distance which meets a low-distance criterion.
G05D 1/00 - Commande de la position, du cap, de l'altitude ou de l'attitude des véhicules terrestres, aquatiques, aériens ou spatiaux, p. ex. utilisant des pilotes automatiques
G05D 1/12 - Commande pour la recherche d'un objectif
G05D 1/10 - Commande de la position ou du cap dans les trois dimensions simultanément
G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
A device for coupling a sensor to a fiber optic cable including at least one optical fiber, the device may include an activation unit couplable to a known coupling location along the fiber optic cable and configured to: receive an analog sensor output signal from the sensor and change one or more properties of at least one of: one or more optical wave propagating through the at least one optical fiber and the at least one optical fiber, with respect to the analog output signal, while maintaining at least a portion of a spectral content of the analog sensor output signal during at least a portion of time.
G01D 5/26 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c.-à-d. utilisant de la lumière infrarouge, visible ou ultraviolette
G01D 5/353 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c.-à-d. utilisant de la lumière infrarouge, visible ou ultraviolette avec atténuation ou obturation complète ou partielle des rayons lumineux les rayons lumineux étant détectés par des cellules photo-électriques en modifiant les caractéristiques de transmission d'une fibre optique
G01H 9/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores en utilisant des moyens sensibles aux radiations, p. ex. des moyens optiques
G01K 11/32 - Mesure de la température basée sur les variations physiques ou chimiques, n'entrant pas dans les groupes , , ou utilisant des changements dans la transmittance, la diffusion ou la luminescence dans les fibres optiques
28.
SYSTEM AND METHOD FOR REMOTE MULTIMODAL SENSING OF A MEASUREMENT VOLUME
A method of remote multimodal sensing of a measurement volume, including: detecting, by at least one optical detector, light from a measurement volume; generating, by the at least one optical detector, an optical output dataset based on at least a portion of the detected light; receiving, by at least one electromagnetic (EM) receiver, one or more EM signals from the measurement volume; generating, by the at least one EM receiver, an EM output dataset based on at least one of the one or more received EM signals; and determining, by a processing unit, a multiparameter output dataset based on at least a portion of the optical output dataset and at least a portion of the EM output dataset.
G06V 10/80 - Fusion, c.-à-d. combinaison des données de diverses sources au niveau du capteur, du prétraitement, de l’extraction des caractéristiques ou de la classification
G06K 9/62 - Méthodes ou dispositions pour la reconnaissance utilisant des moyens électroniques
G01S 13/86 - Combinaisons de systèmes radar avec des systèmes autres que radar, p. ex. sonar, chercheur de direction
A61B 5/08 - Dispositifs de mesure pour examiner les organes respiratoires
A61B 5/02 - Détection, mesure ou enregistrement en vue de l'évaluation du système cardio-vasculaire, p. ex. mesure du pouls, du rythme cardiaque, de la pression sanguine ou du débit sanguin
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
29.
SYSTEMS AND METHODS FOR MANAGING GROUP COMMUNICATIONS OVER A COMMUNICATIONS NETWORK
A communications system and method for managing a transmission of a given communication by a given communication device to one or more group members of one or more groups over a communications network is provided. The communications system comprises processing circuitry configured to: obtain event information regarding one or more events that are captured at the given communication device, the events not including activation of the given communication device by the user of the given communication device to transmit the given communication; and perform one or more actions based on the event information, automatically and without involvement of the user of the given communication device, in response to the user activating the given communication device to transmit the given communication.
A system for determining location and parameters of constant length and variable length string fields within a plurality of messages of a given type, the system comprising a processing circuitry configured to: (a) obtain the plurality of messages of the given type, each of the messages comprised of a sequence of bytes; (b) determine, for each of the messages of the given type, an index byte, being a first byte of a sequence of bytes of each of the respective messages; (c) determine, for the index byte of each of the messages: (A) a message string plausibility score, indicating a plausibility that a part of the respective messages starting at the index byte is a string field, based on analysis of a content of the part of the respective messages, and (B) a string candidate length indicating a number of character bytes of the bytes of the respective message, starting at the index byte, each of the character bytes having a character value; (d) upon a criterion based on (A) the message string plausibility scores and (B) the string candidate lengths, being met, determine that the index byte is a start of a variable length string, and upon the criterion not being met, repeat (c)-(d) with the index byte being a byte, subsequent to the index byte, if any.
Transmission device and method for transmitting punctured data messages having common input bits and reception device and method for reassembling an encoded data message based on punctured data messages
A transmission device and method for repeatedly transmitting punctured data messages is disclosed. The transmission device is configured to puncture an encoded data message over a plurality of consecutive time slots to provide punctured data messages. The punctured data messages include a first punctured data message and a second punctured data message that are alternately transmitted during the consecutive time slots, the first punctured data message arising from puncturing the encoded data message with a first puncture indices series and the second punctured data message arising from the puncturing of the encoded data message with a second puncture indices series that is complementary to the first puncture indices series. A reception device and method for reassembling the encoded data message based on the punctured data messages is also disclosed.
Embodiments pertain to an imaging system configured to reduce or prevent the effect of unwanted specular reflections reflected by specular surfaces located in a scene. The system comprises at least one image acquisition device for acquiring a scene image comprising a specular surface providing specular light reflections. The at least one image acquisition device comprises at least one first image sensor and imaging optics having an optical axis for guiding light received from the scene along the optical axis onto the at least one first image sensor. The system further comprises at least one polarization filter operably positioned between the at least one first image sensor and an object. The system is configured to determine a polarization filter orientation such that an amount of specular light reflections incident onto the at least one first image sensor is reduced or eliminated.
G02B 27/28 - Systèmes ou appareils optiques non prévus dans aucun des groupes , pour polariser
G02B 26/02 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables pour commander l'intensité de la lumière
G03B 7/18 - Réglage de l'exposition par le réglage des obturateurs, des diaphragmes ou des filtres séparément ou conjointement en fonction du "coefficient" de réduction de l'éclairage du filtre ou d'un autre intercepteur employé avec ou devant l'objectif de l'appareil
G01V 1/09 - Dispositions pour le transport, p. ex. sur des véhicules
G01V 1/047 - Dispositions pour accoupler le générateur au sol
G01V 1/147 - Production d'énergie sismique en utilisant des moyens d'entraînement mécaniques utilisant l'impact de masses tombantes
34.
TRANSMISSION DEVICE AND METHOD FOR TRANSMITTING PUNCTURED DATA MESSAGES HAVING COMMON INPUT BITS AND RECEPTION DEVICE AND METHOD FOR REASSEMBLING AN ENCODED DATA MESSAGE BASED ON PUNCTURED DATA MESSAGES
A transmission device and method for repeatedly transmitting punctured data messages is disclosed. The transmission device is configured to puncture an encoded data message over a plurality of consecutive time slots to provide punctured data messages. The punctured data messages include a first punctured data message and a second punctured data message that are alternately transmitted during the consecutive time slots, the first punctured data message arising from puncturing the encoded data message with a first puncture indices series and the second punctured data message arising from the puncturing of the encoded data message with a second puncture indices series that is complementary to the first puncture indices series. A reception device and method for reassembling the encoded data message based on the punctured data messages is also disclosed.
H04L 1/00 - Dispositions pour détecter ou empêcher les erreurs dans l'information reçue
H04L 12/721 - Procédures de routage, p.ex. routage par le chemin le plus court, routage par la source, routage à état de lien ou routage par vecteur de distance
35.
SYSTEMS AND METHODS FOR DETECTING MOVEMENT OF AT LEAST ONE NON-LINE-OF-SIGHT OBJECT
A system and method for detecting movement of an object outside a line-of-sight of a camera is disclosed. The camera acquires images of a target that is impacted by light that is scattered from the object and by ambient light, and of a reference that is impacted by the ambient light. A processing circuitry can be configured to detect the movement of the object by calculating, for each of a plurality of acquired images, a compensated light intensity value (LIV), being a target LIV that is based on pixels in the respective acquired image that represent the target, as modified, based on a reference LIV that is based on pixels in the respective acquired image that represent the reference, to reduce an effect, on the target LIV, of changes in the ambient light during a time period between acquiring a given image and the acquiring of the respective acquired image.
High frequency radio including an adjustable-bandwidth tunable bandpass filter for improved detection of incoming calls and methods for processing incoming calls
A high frequency (HF) radio configured to process an incoming call from another HF radio, the HF radio comprising: an adjustable-bandwidth tunable bandpass filter configured to provide HF signals that are within an adjustable-bandwidth Staring Frequency Band (SFB), being a subset of a HF band, the HF signals including analog calling signals that are indicative of incoming calls; a receive path configured to convert the analog calling signals to digital calling signals; a plurality of receivers configured to monitor assigned Automatic Link Establishment (ALE) channels within the SFB for the digital calling signals; and a controller configured to: establish a communication link between the HF radio and the another HF radio, in response to a given receiver of the receivers decoding a digital calling signal that is indicative of the incoming call; and select the SFB and the assigned ALE channels, based on an indication of ionospheric propagation conditions.
H04B 1/10 - Dispositifs associés au récepteur pour limiter ou supprimer le bruit et les interférences
H04B 1/00 - Détails des systèmes de transmission, non couverts par l'un des groupes Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission
37.
CONTACTLESS PARAMETERS MEASUREMENT SYSTEM AND METHOD
A system for measuring temperature of one or more subjects within a scene including a reference object having an unknown emissivity, having an ambient temperature, the system comprising: a visible spectrum camera capable of acquiring images of the scene comprising (a) at least a Region of Interest (Rol) of each of the subjects, and (b) the reference object; a thermal image sensor capable of acquiring images of the scene comprising (a) at least the Rol of each of the subjects, and (b) the reference object; and a processing circuitry configured to: obtain (a) a visible spectrum image captured by the visible spectrum camera, and (b) a thermal image captured by the thermal image sensor, and (c) an indication of a scene ambient temperature within the scene; register the visible spectrum image and the thermal image onto a common coordinate system; identify (a) Rol pixels, on the common coordinate system, of the Rols of the subjects within the visible spectrum image, (b) reference object pixels, on the common coordinate system, of the reference object within the visible spectrum image and (c) a parameter correlated to an emissivity of the reference object, based on the reference temperature and on the indication of the scene ambient temperature; determine (a) Rol temperatures by analyzing respective Rols pixels on the thermal image, and (b) a reference temperature by analyzing the reference object pixels on the thermal image; and upon existence of a difference between the reference temperature and the scene ambient temperature, correct the Rol temperatures, based on the difference and utilizing the parameter, to compensate for the difference, giving rise to corrected Rol temperatures.
A radio transceiver that includes a multi-channel receiver, a multi-channel transmitter and a controller is disclosed. The multi-channel receiver can be configured to concurrently receive first data frames, each including: (a) first data slots that are received over a first frequency channel that is variable between the first data slots, and (b) an error correction code (ECC). Concurrently, the multi-channel transmitter can be configured to transmit second data frames, each including second data slots that are transmitted over a second frequency channel that is variable between the second data slots, the first frequency channel and the second frequency channel being within a common frequency band. The controller can be configured to use the ECC of a respective first data frame of the first data frames to correct self-interference-based errors in the respective first data frame resulting from the transmission of one or more of the second data frames.
A system for management of task force collaboration over a communications network comprising a plurality of network devices, the system comprising processing circuitry configured to: provide: (a) a dynamic Quality of Service availability map, the dynamic Quality of Service availability map being indicative of current available Quality of Services at a plurality of geographical locations within the communications network; (b) groups' information indicative of one or more task force collaboration groups, wherein each task force collaboration group of the task force collaboration groups indicates at least two of the network devices being members in the respective task force collaboration group; and (c) current locations' information indicative of current geographical locations of at least some of the network devices; obtain, from a given member of a given task force collaboration group of the task force collaboration groups, a message to be transmitted to other members of the given task force collaboration group, other than the given member, the message having a Quality of Service requirement; identify at least one message manipulation requiring member of the other members, that is currently located, according to the current locations' information, at a respective first geographical location having, according to the dynamic Quality of Service availability map, an available Quality of Service that does not support the Quality of Service requirement; generate, for the message manipulation requiring member, a manipulated message, being a manipulation of the message, wherein the manipulated message meets the available Quality of Service; and communicate the manipulated message to the message manipulation requiring member
A device for coupling a sensor to a fiber optic cable including at least one optical fiber, the device may include an activation unit couplable to a known coupling location along the fiber optic cable and configured to: receive an analog sensor output signal from the sensor and change one or more properties of at least one of: one or more optical wave propagating through the at least one optical fiber and the at least one optical fiber, with respect to the analog output signal, while maintaining at least a portion of a spectral content of the analog sensor output signal during at least a portion of time.
G01H 9/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores en utilisant des moyens sensibles aux radiations, p. ex. des moyens optiques
G01K 11/32 - Mesure de la température basée sur les variations physiques ou chimiques, n'entrant pas dans les groupes , , ou utilisant des changements dans la transmittance, la diffusion ou la luminescence dans les fibres optiques
G01D 5/26 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c.-à-d. utilisant de la lumière infrarouge, visible ou ultraviolette
G01D 5/353 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c.-à-d. utilisant de la lumière infrarouge, visible ou ultraviolette avec atténuation ou obturation complète ou partielle des rayons lumineux les rayons lumineux étant détectés par des cellules photo-électriques en modifiant les caractéristiques de transmission d'une fibre optique
41.
HIGH FREQUENCY (HF) RADIO COMMUNICATIONS SYSTEM COMPRISING A CENTRAL PROCESSING SERVER FOR AGGREGATING DIGITAL SAMPLES AND AN ASSOCIATED METHOD
A high frequency (HF) radio communications system is disclosed. HF radio communications system comprises a plurality of geographically-distributed HF radio sites comprising a corresponding plurality of receivers, each receiver of the plurality of receivers being configured to: (a) receive, via at least one antenna, respective HF signals throughout a HF band, and (b) directly and concurrently sample a subset of the respective HF signals to provide a respective stream of digital samples, the subset being the respective HF signals that are received over a plurality of HF channels within part of the HF band or all of the HF band; and a central processing server configured to receive a plurality of respective streams of digital samples from the plurality of receivers, being the respective stream of digital samples provided by each receiver of the receivers.
H04B 1/00 - Détails des systèmes de transmission, non couverts par l'un des groupes Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission
H04B 7/08 - Systèmes de diversitéSystèmes à plusieurs antennes, c.-à-d. émission ou réception utilisant plusieurs antennes utilisant plusieurs antennes indépendantes espacées à la station de réception
42.
HIGH FREQUENCY RADIO INCLUDING AN ADJUSTABLE-BANDWIDTH TUNABLE BANDPASS FILTER FOR IMPROVED DETECTION OF INCOMING CALLS AND METHODS FOR PROCESSING INCOMING CALLS
A high frequency (HF) radio configured to process an incoming call from another HF radio, the HF radio comprising: an adjustable-bandwidth tunable bandpass filter configured to provide HF signals that are within an adjustable-bandwidth Staring Frequency Band (SFB), being a subset of a HF band, the HF signals including analog calling signals that are indicative of incoming calls; a receive path configured to convert the analog calling signals to digital calling signals; a plurality of receivers configured to monitor assigned Automatic Link Establishment (ALE) channels within the SFB for the digital calling signals; and a controller configured to: establish a communication link between the HF radio and the another HF radio, in response to a given receiver of the receivers decoding a digital calling signal that is indicative of the incoming call; and select the SFB and the assigned ALE channels, based on an indication of ionospheric propagation conditions.
H04B 1/00 - Détails des systèmes de transmission, non couverts par l'un des groupes Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission
HA-GAVISH STREET. POLEG INDUSTRIAL ZONE 5 (Israël)
Inventeur(s)
Lax, Avi
Gillbert Eder, Yehuda
Ben Yishay, Neta
Abrégé
A multi-channel communication device comprising: a plurality of receivers, each usable for receiving radio-signals within a corresponding distinct selected frequency band within a spectrum; a Radio Frequency (RF) power splitter usable for splitting an input radio-signal into a plurality of split radio-signals; and a filter bank that comprises a plurality of filters each having a respective distinct passband within the spectrum, and a routing mechanism configured to route each of the split radio-signals into respective selected filters of the filters, selected in accordance with the selected frequency band of each of the receivers, wherein each of the selected filters outputs a corresponding output radio-signal, in the passband of the respective filter, to a respective receiver of the receivers.
H04B 1/00 - Détails des systèmes de transmission, non couverts par l'un des groupes Détails des systèmes de transmission non caractérisés par le milieu utilisé pour la transmission
brevets
