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2016
|
P/S
|
Rotary converters; phase modifiers; batteries and cells;
electric or magnetic meters and testers... |
|
|
P/S
|
Motion sensors for security devices; motion sensors; alarm
sensors; bells [warning devices]; sec... |
|
|
Invention
|
Heat ray sensor. A heat ray sensor (1) has a first optical unit (100), a second optical unit (200... |
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2013
|
Invention
|
Infrared ray sensor |
|
2009
|
Invention
|
Passive infrared detector.
Embodiments of a passive infrared detector can distinguish between an... |
|
2008
|
P/S
|
Anti-theft warning apparatus; fire alarms; measuring or
testing machines and instruments; teleco... |
|
|
Invention
|
Rotatable infrared sensor |
|
|
Invention
|
Heat-ray sensor. [PROBLEMS] To provide a heat-ray sensor for reliably distinguishing a human body... |
|
|
Invention
|
Heat ray sensor. [PROBLEMS TO BE SOLVED] A heat ray sensor is provided for making it possible to ... |
|
2004
|
P/S
|
Security monitoring devices with infrared sensor. |
|
1999
|
Invention
|
Amplifier circuit for infrared sensor. The present invention aims to avoid mutual interference of... |
|
1998
|
Invention
|
Passive infrared detector. A passive infrared detector that enables the extent of the field to be... |
|
1995
|
Invention
|
Received light level indicating system for beam sensor. A level of received light detected by a l... |
