Featured patents

Average-Power Control Loops and Methods Through Laser Supply Voltage Closed-Loop Control
US 08571079 B1, Oct. 29, 2013, James Cong Nguyen / Maxim Integrated Products, Inc. (San Jose, US)
An average laser power control loop comprising:…

Bias Current Control of Laser Diode Instrument to Reduce Power Consumption of the Instrument
US 08787415 B1, July 22, 2014, James Budai / IXYS Corporation (Milpitas, US)
A method of operating a laser diode driver comprising:…

Circuit and Method for Controlling Light-Emitting Components
US 08855154 B2, Oct. 7, 2014, Martin Groepl et al. / SILICON LINE GmbH (München, DE)
A circuit for controlling at least one light-emitting component, comprising:…

Command Apparatus in a Gas Laser Oscillator, Capable of Command at High Speed and With High Precision
US 08548018 B2, Oct. 1, 2013, Masahiro Honda et al. / FANUC Corporation (Minamitsuru-gun, Yamanashi, JP)
A command apparatus for a plurality of laser power supplies in a gas laser…

Driver Circuit for Laser Diode Outputting Pre-Emphasized Signal
US 08737442 B2, May 27, 2014, Akihiro Moto / Sumitomo Electric Industries, Ltd. (Osaka-shi, JP)
A driver for providing a push current to a semiconductor laser diode (LD)…

Dual Laser-Power-Level Control and Calibration System for Burst-Mode and Continuous-Mode Transmitter
US 08576888 B2, Nov. 5, 2013, James Cong Nguyen et al. / Maxim Integrated Products, Inc. (San Jose, US)
A method of controlling the power levels of an optical transmitter comprising:…

High-Temperature Operation of Vertical Cavity Surface Emitting Lasers
US 08611384 B2, Dec. 17, 2013, Jimmy A. Tatum / Finisar Corporation (Sunnyvale, US)
A method for operating an optoelectronic transceiver having a vertical cavity…

Laser Device
US 08503495 B2, Aug. 6, 2013, Michihiro Nakai / Fujikura Ltd. (Tokyo, JP)
A laser device comprising:…

Laser Diode Drive Circuit and Image Forming Apparatus Incorporating Same
US 08576886 B2, Nov. 5, 2013, Tomohiko Kamatani / Ricoh Company, Ltd. (Tokyo, JP)
A laser diode drive circuit to drive multiple laser diodes under automatic power…

Laser Diode Driver
US 08599891 B2, Dec. 3, 2013, Vladimir Maron et al. / Soreq Nuclear Research Center (Nachal Soreq, IL)
A laser light source comprising:…

Laser Diode Driver With Wave-Shape Control
US 08699534 B2, April 15, 2014, Indumini W. Ranmuthu et al. / Texas Instruments Incorporated (Dallas, US)
A laser diode read driver circuitry comprising:…

Laser Diode Driving Apparatus for Optical Communication
US 08837542 B1, Sept. 16, 2014, Choong-Reol Yang et al. / Electronics and Telecommunications Research Institute (Daejeon-Si, KR)
A laser diode driving apparatus for optical communication, comprising:…

Laser Diode Junction Temperature Compensation
US 08605764 B1, Dec. 10, 2013, Dale Eugene Zimmerman et al. / Microvision, Inc. (Redmond, US)
An apparatus comprising:…

Laser Diode Write Driver Feedback, Current Mirror, and Differential-Pair Circuitry
US 08537868 B2, Sept. 17, 2013, Indumini Ranmuthu et al. / Texas Instruments Incorporated (Dallas, US)
A laser diode write driver comprising:…

Laser Driver
US 08477815 B2, July 2, 2013, Douglas W. Dean et al. / Texas Instruments Incorporated (Dallas, US)
An apparatus comprising:…

Laser Driver and Optical Transmitter Implementing the Same
US 08571078 B2, Oct. 29, 2013, Keiji Tanaka et al. / Sumitomo Electric Industries, Ltd. (Osaka-shi, JP)
A laser diode driver to drive a semiconductor laser diode, the driver being…

Laser Driving Device, Optical Scanning Device, Image Forming Apparatus, and Laser Driving Method
US 08811441 B2, Aug. 19, 2014, Atsufumi Omori et al. / Ricoh Company, Limited (Tokyo, JP)
A laser driving device that drives a semiconductor laser based on an expanded…

Laser Oscillator Controller
US 08599892 B2, Dec. 3, 2013, Takashi Senda / Murata Machinery, Ltd. (Kyoto, JP)
A method of controlling a laser oscillator applicable to a laser processing…

Method and Apparatus for Reducing Optical Signal Speckle
US 08750341 B2, June 10, 2014, Kevin B. McDonald et al. / Mindspeed Technologies, Inc. (Newport Beach, US)
A method for reducing speckle in light output from an optical signal generator…

Method and Apparatus of Automatic Power Control for Burst Mode Laser Transmitter
US 08665921 B2, March 4, 2014, Chia-Liang Lin et al. / Realtek Semiconductor Corp. (Hsinchu, TW)
An apparatus comprising:…

Optical Device and Method for Controlling the Same
US 08520711 B2, Aug. 27, 2013, Hidetoshi Yamashita / Ricoh Company, Limited (Tokyo, JP)
An optical device comprising:…

Optical Source Driver Circuit With Controllable Termination
US 08611385 B2, Dec. 17, 2013, Jason P. Brenden / LSI Corporation (San Jose, US)
An apparatus comprising:…

Pump Diode Driver Circuit
US 08594144 B1, Nov. 26, 2013, Charles G. Bagg / L-3 Insight Technology Incorporated (Londonderry, US)
A portable battery-powered laser marker/designator, comprising:…

Semiconductor Laser Drive Circuit and Semiconductor Laser Apparatus
US 08660158 B2, Feb. 25, 2014, Katsuya Nakashima et al. / Sony Corporation (Tokyo, JP)
A semiconductor laser drive circuit controlling a semiconductor laser diode…

Semiconductor Laser Drive Device and Image Forming Apparatus Incorporating Same
US 08630324 B2, Jan. 14, 2014, Daijiroh Sumino et al. / Ricoh Company, Ltd. (Tokyo, JP)
A semiconductor laser drive device, comprising:…

Semiconductor Laser Driver and Image Forming Apparatus Incorporating Same
US 08559476 B2, Oct. 15, 2013, Tomohiko Kamatani / Ricoh Company, Ltd. (Tokyo, JP)
A semiconductor laser driver to execute automatic power control (APC)…

Semiconductor Laser Driving Device and Image Forming Apparatus Having the Same
US 08483250 B2, July 9, 2013, Tomohiko Kamatani / Ricoh Company, Ltd. (Tokyo, JP)
A semiconductor laser driving device that includes a semiconductor laser driven…

Semiconductor Laser Driving Unit, Optical Scanner Having Semiconductor Laser Driving Unit, and Image Forming Apparatus
US 08576887 B2, Nov. 5, 2013, Tomohiko Kamatani et al. / Ricoh Company, Ltd. (Tokyo, JP)
A semiconductor laser driving unit that outputs a driving current for driving…

Shunt Driver Circuit for Laser Diode With Push Pull Architecture
US 08649406 B2, Feb. 11, 2014, Akihiro Moto / Sumitomo Electric Industries, Ltd. (Osaka-shi, JP)
A driver for providing a push current to a semiconductor laser diode (LD)…

Vertical-Cavity Surface-Emitting Laser Driver With Improved Output Impedance
US 08861560 B2, Oct. 14, 2014, Nikola Nedovic et al. / Fujitsu Limited (Kawasaki-shi, JP)
A driver circuit of a vertical-cavity surface-emitting laser (VCSEL), the driver…

Patentorg has 30 documents under For Driving or Controlling Laser Patents.

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