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Class Information
Number: 372/38.07
Name: Coherent light generators > Particular component circuitry > Controlling current or voltage to laser
Description: Subject matter wherein the particular component circuitry regulates the supply of current or voltage to the coherent light generator.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8687981 Method and system for split voltage domain transmitter circuits Apr. 1, 2014
8681826 Method for tuning semiconductor laser Mar. 25, 2014
8670473 Circuit and method for limiting current to prevent roll-over in laser diodes Mar. 11, 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
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
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
8605763 Temperature measurement and control for laser and light-emitting diodes Dec. 10, 2013
8599890 Systems and methods for laser pulse equalization Dec. 3, 2013
8599891 Laser diode driver Dec. 3, 2013
8571077 System and method for laser modulation Oct. 29, 2013
8571079 Average-power control loops and methods through laser supply voltage closed-loop control Oct. 29, 2013
8571078 Laser driver and optical transmitter implementing the same Oct. 29, 2013
8565048 Unipolar current driver Oct. 22, 2013
8565277 Pulse modulation method and optical fiber laser Oct. 22, 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
8520710 Optical transmission module and controlling method for optical transmission module Aug. 27, 2013
8520711 Optical device and method for controlling the same Aug. 27, 2013
8521019 Method and system for closed loop control of an optical link Aug. 27, 2013
8483250 Semiconductor laser driving device and image forming apparatus having the same Jul. 9, 2013
8482850 Multi-stage erbium-doped fiber amplifier with a single programmable logic device control circuit and method of controlling thereof Jul. 9, 2013
8477816 System and method to regulate high current radiation sources Jul. 2, 2013
8472488 Algorithm to drive semiconductor laser diode Jun. 25, 2013
8428092 High-power laser unit wherein laser output can be accurately corrected Apr. 23, 2013
8416820 Active laser guarding system Apr. 9, 2013
8406263 Laser diode read driver Mar. 26, 2013
8406261 Laser driving device and laser driving method Mar. 26, 2013
8379681 Laser diode driving device and image forming apparatus including the same Feb. 19, 2013
8379683 Quantum cascade laser Feb. 19, 2013
8369373 Pre-ionization method for CO.sub.2 gas-discharge laser Feb. 5, 2013
8345722 Method of driving semiconductor laser Jan. 1, 2013
8345721 Method for driving optical transmitter Jan. 1, 2013
8320420 Polarity independent laser monitor diode current sensing circuit for optical modules Nov. 27, 2012
8306076 Driver circuit for tunable LD Nov. 6, 2012
8306080 Vertical cavity surface emitting laser apparatus Nov. 6, 2012
8284807 Wavelength-tunable laser apparatus and wavelength changing method thereof Oct. 9, 2012
8275012 Laser diode read driver Sep. 25, 2012
8274733 Semiconductor optical amplification module, optical matrix switching device, and drive circuit Sep. 25, 2012
8274416 DA converter, solid-state imaging device, and camera system Sep. 25, 2012
8259766 Laser diode drive circuit, electronic circuit, method for controlling laser diode drive circuit, and method for controlling duty Sep. 4, 2012
8254418 Method for finding and tracking single-mode operation point of external cavity diode lasers Aug. 28, 2012
8249120 Closed loop laser control Aug. 21, 2012
8242709 Optical transmitter Aug. 14, 2012
8238394 Low power consumption pump driving circuit Aug. 7, 2012

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