Featured patents

Programmable Lighting With Multi-Day Variations of Wavelength and Intensity, Optimized by Crowdsourcing Using an Online Social Community Network
US 08847514 B1, Sept. 30, 2014, Automatic regulation, Gang Zhao et al.
A programmable luminaire comprising:…

LED Backlight Driving Circuit and LCD Device
US 08803440 B2, Aug. 12, 2014, Current Voltage Regulation, Dan Cao
A driving circuit for driving a light emitting diode (LED) backlight, comprising:…

Solid State Lighting Devices and Methods of Manufacturing the Same
US 08866410 B2, Oct. 21, 2014, Automatic regulation, Kenneth R. Byrd et al. / Cree, Inc. (Durham, US)
A lighting device, comprising:…

Adaptive Switch Mode LED System
US 08710752 B2, April 29, 2014, Periodic switch in the supply circuit, Xiaoyan Wang et al. / Dialog Semiconductor Inc. (Campbell, US)
A system for driving one or more light-emitting diode (LED) strings, the system…

LED Drive Circuit
US 08716954 B2, May 6, 2014, Automatic regulation, Hiroshi Domon et al. / Sanken Electric Co., Ltd. (Niiza-shi, JP)
An LED drive circuit for driving an LED comprising:…

Timed Supercapacitor Charge-Up and Emergency Illumination
US 08686662 B1, April 1, 2014, Current Voltage Regulation, Daniel Leland Bragg et al. / Cooper Technologies Company (Houston, US)
A method for timed supercapacitor charge-up and emergency illumination,…

Circuit Device for Controlling a Plurality of Light-Emitting Devices in a Sequence
US 08643293 B2, Feb. 4, 2014, Flashers, Shen-Ko Tseng
A circuit device, embedded in an object, comprising:…

US 08643295 B2, Feb. 4, 2014, Discharge device and / or rectifier in the primary circuit of the supply transformer, Kenji Takanashi et al. / Toshiba Lighting & Technology Corporation (Kanagawa, JP)
A luminaire comprising:…

MRI-room LED Lighting System
US 08575841 B2, Nov. 5, 2013, With Electromagnetic Wave Radiation Preventing or Shielding Means, Brandon S. Cartwright / Kenall Manufacturing (Gurnee, US)
In an MRI-room LED lighting system having a plurality of LED lighting fixtures…

Computer Controlled Power Supply Assembly for a LED Array
US 08531127 B2, Sept. 10, 2013, Current Voltage Regulation, James S. Kang et al. / Cal Poly Pomona Foundation, Inc (Pomona, US)
A regulated power supply assembly for providing variable DC voltage…

Patentorg has 1935 documents under Electric Lamp and Discharge Devices: Systems Patents.

Narrow down the browsing criteria below to see more patents.

Select a subcategory
Quick navigation
New documents
  • Process for the Production of the Actinobacillus Pleuropneumoniae Toxins APXI or APXIII in a Liquid Culture Medium Under Supply of Air Enriched in Carbon Dioxide
  • Method for Manufacturing Nonvolatile Memory Device
  • Supply Chain Demand Satisfaction
  • Supply-Line Management Device
  • Storage Control Device and Method for Managing Snapshot