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Class Information
Number: 372/38.1
Name: Coherent light generators > Particular component circuitry
Description: Subject matter comprising specific circuitry for operating components of the coherent light generator.

Sub-classes under this class:

Class Number Class Name Patents
372/38.07 Controlling current or voltage to laser 558
372/38.05 Electrode 122
372/38.02 For driving or controlling laser 890
372/38.09 Having fault protection circuitry 137
372/38.01 Having feedback circuitry 389
372/38.08 Having noise suppression circuitry 74
372/38.06 Optical pumping 63
372/38.04 Power supply 193
372/38.03 Switch (e.g., thyratron, etc.) 144

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8691598 Dual-loop control for laser annealing of semiconductor wafers Apr. 8, 2014
8665921 Method and apparatus of automatic power control for burst mode laser transmitter Mar. 4, 2014
8605768 Laser apparatus, driving method of the same and optical tomographic imaging apparatus Dec. 10, 2013
8599892 Laser oscillator controller Dec. 3, 2013
8553742 Laser chip package structure Oct. 8, 2013
8502178 Extreme ultraviolet light source apparatus, method for controlling extreme ultraviolet light source apparatus, and recording medium with program recorded thereon Aug. 6, 2013
8483250 Semiconductor laser driving device and image forming apparatus having the same Jul. 9, 2013
8477815 Laser driver Jul. 2, 2013
8457499 Semiconductor laser drive device, semiconductor laser drive method, light transmission device, optical wiring module, and electronic device Jun. 4, 2013
8406261 Laser driving device and laser driving method Mar. 26, 2013
8406263 Laser diode read driver Mar. 26, 2013
8345722 Method of driving semiconductor laser Jan. 1, 2013
8310750 Waveform shaping circuit and optical switching device Nov. 13, 2012
8306080 Vertical cavity surface emitting laser apparatus Nov. 6, 2012
8300670 Method for deriving precise control over laser power of an optical pickup unit, and associated automatic power calibration circuit Oct. 30, 2012
8290006 Dynamically variable spot size laser system Oct. 16, 2012
8275012 Laser diode read driver Sep. 25, 2012
RE43685 Apparatus and method for measurement for dynamic laser signals Sep. 25, 2012
8270444 Side emitting semiconductor package Sep. 18, 2012
8242709 Optical transmitter Aug. 14, 2012
8179593 Optical-switch drive circuit and method thereof May. 15, 2012
8165475 Systems and methods for reducing clipping in multichannel modulated optical systems Apr. 24, 2012
8152314 Display device Apr. 10, 2012
8098699 Semiconductor laser apparatus and optical apparatus Jan. 17, 2012
8077750 Optical transmitting module and optical transmitting device Dec. 13, 2011
8040930 Drive circuit for semiconductor light emitting element, and light source device, lighting device, monitor device, and image display device using the drive circuit Oct. 18, 2011
8036254 Semiconductor laser driving circuit, and optical disc device and integrated circuit provided with semiconductor laser driving circuit Oct. 11, 2011
8008615 Beam power with broadcaster impingement detection Aug. 30, 2011
8009709 DC coupled driver with active termination Aug. 30, 2011
8000370 Laser-induced optical wiring apparatus Aug. 16, 2011
8000361 Laser system Aug. 16, 2011
7995630 High performance tunable lasers utilizing optical phase-locked loops Aug. 9, 2011
7991030 Method for deriving precise control over laser power of an optical pickup unit, and associated automatic power calibration circuit Aug. 2, 2011
7991031 Injection seeded laser ratio loop control Aug. 2, 2011
7986720 Circuit and method for driving light-emitting element and optical transmitter Jul. 26, 2011
7972877 Fabricating method of light emitting diode package Jul. 5, 2011
7949025 Laser optics integrated control system and method of operation May. 24, 2011
7920265 Apparatus and method for noise reduction in modulated optical reflectance metrology system Apr. 5, 2011
7916765 Control circuit for a laser diode and a method to control a laser diode Mar. 29, 2011
7903703 Control device, control circuit, control method, and recording medium with a control program recorded therein Mar. 8, 2011
7899098 Monitoring method and device for monitoring a forward voltage of a laser diode in a laser diode driver integrated circuit (IC) Mar. 1, 2011
7885540 Methods and apparatus for optical modulation amplitude measurement Feb. 8, 2011
7868999 Lithographic apparatus, source, source controller and control method Jan. 11, 2011
7869479 Optical module Jan. 11, 2011
7856039 Semiconductor device and semiconductor laser driving device Dec. 21, 2010
7835412 Laser control system, optical scanning device, and image forming apparatus Nov. 16, 2010
7830933 Optical transmitter providing a plurality of transmitter units each having a thermo-electric cooler connected in series to each other Nov. 9, 2010
7801193 Laser diode module with an adjustable monitoring current Sep. 21, 2010
7796658 Drive circuit and drive method for semiconductor light source Sep. 14, 2010
7796659 Pickup head circuits Sep. 14, 2010

1 2 3 4 5 6 7

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