Joulwatt Technology (Hangzhou) Co. Ltd.

Chine

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Quantité totale PI 40
Rang # Quantité totale PI 35 893
Note d'activité PI 2,1/5.0    16
Rang # Activité PI 52 583

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Dernier brevet 2021 - Method and system for establishi...
Premier brevet 2013 - Integrated buck/boost battery ma...

Derniers inventions, produits et services

2021 Invention Transistor structure for electrostatic protection and method for manufacturing same. Disclosed ar...
2020 Invention Control method of switching circuit, control circuit of switching circuit, and switching circuit....
Invention Power transistor driving method, driving circuit and switching circuit. The present disclosure pr...
Invention Led driving circuit and led driving method. The present disclosure provides an LED driving circui...
Invention Lateral double-diffused transistor and manufacturing method thereof. The present disclosure relat...
Invention Method and system for establishing metal interconnection layer capacitance prediction model. A me...
Invention Control method of single live line charging circuit, control circuit of single live line charging...
Invention Supply method of dual-chip power circuit and dual-chip power circuit. A supply method of a dual-c...
Invention Clamping switch abnormality detection method, clamping switch abnormality detection circuit and s...
2019 Invention Active clamping flyback circuit and control method thereof. An active clamping flyback circuit an...
Invention Control method and control circuit for switching power supply circuit, and switching power supply...
Invention Power device driving method and drive circuit for switching circuit, and the switching circuit. A...
Invention Switching power supply controlling circuit and controlling method thereof. This invention provide...
Invention Circuit and method for detecting current zero-crossing point and circuit and method for detecting...
Invention Control circuit and control method for lighting circuit, and lighting circuit. Disclosed a contro...
Invention Flyback switching power supply. A flyback switching power supply, comprising a main power switch,...
Invention Active-clamp flyback circuit and control method thereof. This invention provides an active-clamp ...
2018 Invention Isolated switch-mode power supply and control circuit and control method for isolated switch-mode...
Invention Power supplying circuit for drive of switching power supply and switching power supply. A switchi...
Invention Active-clamp flyback circuit and control method thereof. The present invention provides an active...
Invention Isolating switch circuit and control method thereof. The present invention provides an isolating ...
2017 Invention Dimming circuit, dimming method and led driving circuit. There is provided a dimming circuit, a d...
Invention Control circuit and control method for switch power supply, and switch power supply. For controll...
Invention Synchronous rectification control circuit, method and flyback switch circuit. The present inventi...
Invention Integrated circuit with multiplexed pin and pin multiplexing method. The present invention provid...
Invention Control circuit and device with edge comparison for switching circuit. A control method, a contro...
Invention Control method and control circuit for switch circuit and switch circuit device. The present inve...
Invention Control circuit and control method for switch circuit and switching-mode power supply circuit. Th...
Invention Drive method and drive circuit for power switch, and power supply system. Disclosed a drive metho...
Invention Circuit and method for overcurrent control and power supply system including the same. The presen...
Invention Switch control circuit and switch circuit. This invention provides a switch control circuit and a...
Invention Protection circuit and illumination driving circuit. A protection circuit and an illumination dri...
Invention Bleeder circuit and control method thereof, and led control circuit. The present disclosure discl...
Invention Power supply protection circuit and method. A power supply protection circuit and a method is des...
2016 Invention Bleeder circuit. The present invention discloses a bleeder circuit; solutions of the present inve...
Invention Ripple removing circuit and led control circuit applying the same. A ripple removing circuit and ...
Invention Circuit for increasing buck output voltage. A circuit includes a power supply end, a switching t...
Invention Self-adaption current control circuit. A self-adaption current control circuit includes: a regula...
2015 Invention Circuit and method for detecting current zero-crossing point, and circuit and method for detectin...
2013 Invention Integrated buck/boost battery management for power storage and delivery. For managing a battery, ...