Featured patents

Lighting Device
US 08866407 B2, Oct. 21, 2014, Plural load device regulation, Kei Takahashi / Semiconductor Energy Laboratory Co., Ltd. JP
A lighting device comprising:…

Switching Power Supply Device and Light-Emitting Diode Lighting Device
US 08729813 B2, May 20, 2014, Periodic switch in the primary circuit of the supply transformer, Masataka Suzuki et al. / Minebea Co., Ltd. (Nagano)
A switching power supply device comprising:…

Illumination Apparatus, Electronic Ballast Therein and Method for Protecting the Same
US 08723435 B2, May 13, 2014, Periodic Switch in the Supply Circuit, Jian-Ping Ying et al. / Delta Electronics (Shanghai) Co., Ltd. (Shanghai, CN
An electronic ballast comprising:…

Reference Voltage Generating Circuit and LED Driver Circuit Having the Same Therein
US 08686652 B2, April 1, 2014, Combined with parallel connected load device, Shane Baik et al. / MagnaChip Semiconductor, Ltd. (Cheongju-si, KR)
A reference voltage generating circuit used for a light-emitting diode (LED)…

Controller Customization System With Phase Cut Angle Communication Customization Data Encoding
US 08680771 B2, March 25, 2014, With Radiant Energy Sensitive Control Means, William A. Draper et al. / Cirrus Logic, Inc. (Austin, US)
An apparatus comprising:…

Error Detector in an Operating Device for Lighting Devices
US 08664896 B2, March 4, 2014, Regulator responsive to plural conditions, Guenter Marent et al. / TridonicAtco GmbH & Co. KG (Dornbirn, AT)
A control circuit for an operating device for lighting means, wherein a feedback…

Method and Apparatus for a Switch Having a Light Pipe for Combined LED Display and Light Level Sensing
US 08669720 B2, March 11, 2014, Automatic regulation, Ahmed Elgayyar et al. / Cooper Technologies Company (Houston, US)
An electrical wiring device comprising:…

Lamp Unit With a Plurality of Light Source and Toggle Remote Control Method for Selecting a Drive Setting Therefor
US 08610374 B2, Dec. 17, 2013, Plural load device regulation, Theodorus Johannes Petrus Van Den Biggelaar / Koninklijke Philips N.V. (Eindhoven, NL)
A lamp unit comprising:…

Self-Dimming OLED Lighting System and Control Method
US 08587215 B2, Nov. 19, 2013, Current Voltage Regulation, Josip Brnada et al. / General Electric Company (Schenectady, US)
A lighting device, comprising:…

System, Method and Apparatus for Generating Plasma
US 08575843 B2, Nov. 5, 2013, Plasma generating, George J. Collins et al. / Colorado State University Research Foundation (Fort Collins, US)
A plasma-generating device, comprising:…

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