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Class Information
Number: 372/29.015
Name: Coherent light generators > Particular beam control device > Having particular beam control circuit component > Controlling current or voltage
Description: Subject matter wherein the electrical component or collection of electrical components are specifically designed to regulate a supply of current or voltage to the coherent light generator.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8690352 Method and device for projecting at least one light beam Apr. 8, 2014
8687662 Pulsed laser source with high repetition rate Apr. 1, 2014
8681826 Method for tuning semiconductor laser Mar. 25, 2014
8665921 Method and apparatus of automatic power control for burst mode laser transmitter Mar. 4, 2014
8619827 Correction circuit, drive circuit, light emitting device, and method of correcting current pulse waveform Dec. 31, 2013
8611384 High-temperature operation of vertical cavity surface emitting lasers Dec. 17, 2013
8605763 Temperature measurement and control for laser and light-emitting diodes Dec. 10, 2013
8599891 Laser diode driver Dec. 3, 2013
8576887 Semiconductor laser driving unit, optical scanner having semiconductor laser driving unit, and image forming apparatus Nov. 5, 2013
8571077 System and method for laser modulation Oct. 29, 2013
8559476 Semiconductor laser driver and image forming apparatus incorporating same Oct. 15, 2013
8548018 Command apparatus in a gas laser oscillator, capable of command at high speed and with high precision Oct. 1, 2013
8542711 Fiber laser device Sep. 24, 2013
8520711 Optical device and method for controlling the same Aug. 27, 2013
8483250 Semiconductor laser driving device and image forming apparatus having the same Jul. 9, 2013
8477815 Laser driver Jul. 2, 2013
8472488 Algorithm to drive semiconductor laser diode Jun. 25, 2013
8467424 Pulsed laser source with high repetition rate Jun. 18, 2013
8442080 Laser operation for survey instruments May. 14, 2013
8401045 Regulating a vertical-cavity surface-emitting laser (VCSEL)-based optical communication link Mar. 19, 2013
8379683 Quantum cascade laser Feb. 19, 2013
8351480 Digital pulse-width-modulation control of a radio frequency power supply for pulsed laser Jan. 8, 2013
8345722 Method of driving semiconductor laser Jan. 1, 2013
8320420 Polarity independent laser monitor diode current sensing circuit for optical modules Nov. 27, 2012
8295316 Method and system for managing light source operation Oct. 23, 2012
8294745 Optical writing device and optical writing method Oct. 23, 2012
8284807 Wavelength-tunable laser apparatus and wavelength changing method thereof Oct. 9, 2012
8249120 Closed loop laser control Aug. 21, 2012
8189632 Laser emission device and image display device using the same May. 29, 2012
8184669 System and method to regulate high current radiation sources May. 22, 2012
8178826 Control of semiconductor light emitting element May. 15, 2012
8165179 Closed loop laser control Apr. 24, 2012
8160113 Tailored pulse burst Apr. 17, 2012
8152314 Display device Apr. 10, 2012
8121161 Laser diode driver driven in shunt mode by signals complementary to each other Feb. 21, 2012
8102889 Multi-chamber gas discharge laser bandwidth control through discharge timing Jan. 24, 2012
8094693 Laser control method and laser control circuit Jan. 10, 2012
8094695 Current drive circuit Jan. 10, 2012
8089996 Light intensity boost for subpixel enhancement Jan. 3, 2012
8023539 Method for driving surface emitting semiconductor laser, optical transmission module, and handheld electronic device Sep. 20, 2011
8009705 Fiber MOPA system without stimulated brillouin scattering Aug. 30, 2011
8000368 Modulated semiconductor DFB laser array with a MEMS-based RF switch Aug. 16, 2011
7991023 Multi-band multiwavelength quantum dot mode-locked lasers Aug. 2, 2011
7986720 Circuit and method for driving light-emitting element and optical transmitter Jul. 26, 2011
7975493 Thermoelectric cooler with inrush current control Jul. 12, 2011
7967452 Projection type display apparatus Jun. 28, 2011
7961767 System and method to regulate high current radiation sources Jun. 14, 2011
7953126 Fiber laser processing method and fiber laser processing apparatus May. 31, 2011
7940820 Method of protecting a laser against damage caused by undesired incident light in a resonator May. 10, 2011
7940821 Temperature compensating method of laser power in optical disk storage apparatus May. 10, 2011

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