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Class Information
Number: 372/38.02
Name: Coherent light generators > Particular component circuitry > For driving or controlling laser
Description: Subject matter wherein the particular component circuitry is used to drive or control a laser function of the coherent light generator.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
8712252 Optical signal output apparatus, electrical signal output apparatus, and test apparatus Apr. 29, 2014
8686331 Dynamic wavefront control of a frequency converted laser system Apr. 1, 2014
8687981 Method and system for split voltage domain transmitter circuits Apr. 1, 2014
8665921 Method and apparatus of automatic power control for burst mode laser transmitter Mar. 4, 2014
8665922 Driver circuit of light-emitting element Mar. 4, 2014
8665920 Method and apparatus for laser diode compensation Mar. 4, 2014
8665917 Method for calibrating a tunable laser Mar. 4, 2014
8660158 Semiconductor laser drive circuit and semiconductor laser apparatus Feb. 25, 2014
8654804 Optical transmitter with stable output wavelength Feb. 18, 2014
8654805 Apparatus and method for balancing combined RF power-supplies for driving a CO.sub.2 gas-discharge laser Feb. 18, 2014
8649406 Shunt driver circuit for laser diode with push pull architecture Feb. 11, 2014
8630324 Semiconductor laser drive device and image forming apparatus incorporating same Jan. 14, 2014
8630158 Method for reducing a number of input terminals of an automatic power control circuit, and associated automatic power control circuit Jan. 14, 2014
8625991 Amortization of expensive optical components Jan. 7, 2014
8619827 Correction circuit, drive circuit, light emitting device, and method of correcting current pulse waveform Dec. 31, 2013
8611385 Optical source driver circuit with controllable termination Dec. 17, 2013
8611384 High-temperature operation of vertical cavity surface emitting lasers Dec. 17, 2013
8611381 Laser oscillator control device Dec. 17, 2013
8605763 Temperature measurement and control for laser and light-emitting diodes Dec. 10, 2013
8605764 Laser diode junction temperature compensation Dec. 10, 2013
8599892 Laser oscillator controller Dec. 3, 2013
8599891 Laser diode driver Dec. 3, 2013
8599890 Systems and methods for laser pulse equalization Dec. 3, 2013
8597577 Swept-frequency semiconductor laser coupled to microfabricated biomolecular sensor and methods related thereto Dec. 3, 2013
8594144 Pump diode driver circuit Nov. 26, 2013
8576888 Dual laser-power-level control and calibration system for burst-mode and continuous-mode transmitter Nov. 5, 2013
8576887 Semiconductor laser driving unit, optical scanner having semiconductor laser driving unit, and image forming apparatus Nov. 5, 2013
8576886 Laser diode drive circuit and image forming apparatus incorporating same Nov. 5, 2013
8571077 System and method for laser modulation Oct. 29, 2013
8571078 Laser driver and optical transmitter implementing the same Oct. 29, 2013
8571079 Average-power control loops and methods through laser supply voltage closed-loop control Oct. 29, 2013
8571420 Apparatus and method for driving wavelength-independent light source Oct. 29, 2013
8559824 Parallel optical transceiver module having a balanced laser driver arrangement Oct. 15, 2013
8559476 Semiconductor laser driver and image forming apparatus incorporating same Oct. 15, 2013
8553740 Method of driving GaN-based semiconductor light emitting element, method of driving GaN-based semiconductor light emitting element of image display device, method of driving planar light sourc Oct. 8, 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
8537868 Laser diode write driver feedback, current mirror, and differential-pair circuitry Sep. 17, 2013
8526825 Visible light communication transmitter and visible light communication system Sep. 3, 2013
8526474 Multi-beam laser power control circuit and image forming apparatus using the same Sep. 3, 2013
8520711 Optical device and method for controlling the same Aug. 27, 2013
8503497 Protection device for solid state laser Aug. 6, 2013
8503496 Device for judging state of semiconductor laser and method for judging state of semiconductor laser Aug. 6, 2013
8503495 Laser device Aug. 6, 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
8488639 Systems and methods having a frequency comb Jul. 16, 2013
8482850 Multi-stage erbium-doped fiber amplifier with a single programmable logic device control circuit and method of controlling thereof Jul. 9, 2013
8483250 Semiconductor laser driving device and image forming apparatus having the same Jul. 9, 2013
8483256 Laser diode element assembly and method of driving the same Jul. 9, 2013
8477815 Laser driver Jul. 2, 2013

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