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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:
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Patent Number Title Of Patent Date Issued
7856039 Semiconductor device and semiconductor laser driving device Dec. 21, 2010
7852889 Active spectral control of DUV light source Dec. 14, 2010
7853154 Bias circuit for burst-mode/TDM systems with power save feature Dec. 14, 2010
7843979 Damping of parasitic resonance using a resistive parallel conductor Nov. 30, 2010
7832875 Modulated diode pumped microchip laser projector Nov. 16, 2010
7835412 Laser control system, optical scanning device, and image forming apparatus Nov. 16, 2010
7830934 Multi-chamber gas discharge laser bandwidth control through discharge timing Nov. 9, 2010
7830936 Calibration of laser systems Nov. 9, 2010
7822086 Laser projection temperature compensation Oct. 26, 2010
7822085 Method of controlling a diode device for use in optical storage systems Oct. 26, 2010
7813393 Semiconductor laser, light source device, lighting device, projector, and monitor device Oct. 12, 2010
7809034 Auto-power control circuit to maintain extinction ratio of optical output from laser diode Oct. 5, 2010
7809035 Eye-safe laser navigation sensor Oct. 5, 2010
7809036 Pump light control of a lamp-pumped laser Oct. 5, 2010
7809037 Laser array circuit Oct. 5, 2010
7801192 Monitoring method and VCSEL array with monitoring function Sep. 21, 2010
7796658 Drive circuit and drive method for semiconductor light source Sep. 14, 2010
7792167 Light source driving apparatus and light source driving method Sep. 7, 2010
7792166 Apparatus and method for driving laser diodes Sep. 7, 2010
7787507 Method and apparatus for controlling laser modulation based on measurements of average laser output power Aug. 31, 2010
7782916 Laser diode driver able to precisely control the driving current Aug. 24, 2010
7782917 Laser driving circuit, optical pickup and recording/reading equipment Aug. 24, 2010
7778551 Temperature compensation circuits Aug. 17, 2010
7773646 Semiconductor light source and light-emitting device drive circuit Aug. 10, 2010
7764885 Asymmetric rise/fall time and duty cycle control circuit Jul. 27, 2010
7760779 Laser driver, method for driving laser, and recording/reading equipment Jul. 20, 2010
7760781 Current control mechanism for low voltage applications Jul. 20, 2010
7756171 Method and apparatus for laser control in a two chamber gas discharge laser Jul. 13, 2010
7756173 Laser diode driver with adaptive compliance voltage Jul. 13, 2010
7751453 Method and apparatus for laser control in a two chamber gas discharge laser Jul. 6, 2010
7743989 Laser power control arrangements in electro-optical readers Jun. 29, 2010
7742514 Laser navigation sensor Jun. 22, 2010
7732794 Extreme ultra violet light source apparatus Jun. 8, 2010
7729399 Semiconductor laser driving circuit less susceptible to noise interference Jun. 1, 2010
7724792 Driving laser diodes with immunity to temperature changes, aging, and other effects May. 25, 2010
7724790 Method and apparatus for driving semiconductor lasers, and method and apparatus for deriving drive current patterns for semiconductor lasers May. 25, 2010
7720120 Method and apparatus for laser control in a two chamber gas discharge laser May. 18, 2010
7720119 Laser circuit substrate May. 18, 2010
7711021 Laser driver circuit able to compensate a temperature dependence of the laser diode May. 4, 2010
7701989 Laser diode driving apparatus Apr. 20, 2010
7697582 Laser driving circuit Apr. 13, 2010
7693196 Semiconductor laser driving unit and image forming apparatus having the same Apr. 6, 2010
7688874 Semiconductor laser driving device, optical head, optical disk device, and semiconductor laser driving method Mar. 30, 2010
7684452 Enhancing the transition rate of a laser Mar. 23, 2010
7680164 Configurable laser driver with common anode and common cathode outputs Mar. 16, 2010
7680165 Light source device, monitor device, projector, and driving method for driving light source device Mar. 16, 2010
7680167 Method and system for detection of regions of instability in multi-section tunable lasers Mar. 16, 2010
7675951 Threshold voltage difference allowable semiconductor laser driving apparatus Mar. 9, 2010
7672345 Semiconductor laser drive control apparatus Mar. 2, 2010
7668216 Coherence reduction of diode lasers Feb. 23, 2010

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