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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
8238396 Gas laser oscillator having function for judging discharge initiation Aug. 7, 2012
8232687 Intelligent laser interlock system Jul. 31, 2012
8228962 Low power drive circuit Jul. 24, 2012
8218592 Laser device, optical pickup, and optical disk device Jul. 10, 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
8179593 Optical-switch drive circuit and method thereof May. 15, 2012
8170075 Method and apparatus for driving laser diodes May. 1, 2012
8169164 Light output control device for laser light source May. 1, 2012
8149885 Fiber laser processing apparatus Apr. 3, 2012
8121160 Driver circuit for semiconductor laser diode driven in differential mode Feb. 21, 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
8094695 Current drive circuit Jan. 10, 2012
8094693 Laser control method and laser control circuit Jan. 10, 2012
8089996 Light intensity boost for subpixel enhancement Jan. 3, 2012
8073030 Shunt driver circuit for semiconductor laser diode Dec. 6, 2011
8036254 Semiconductor laser driving circuit, and optical disc device and integrated circuit provided with semiconductor laser driving circuit Oct. 11, 2011
8009710 Laser driver circuit, method for controlling a laser driver circuit, and use Aug. 30, 2011
8009709 DC coupled driver with active termination Aug. 30, 2011
7991031 Injection seeded laser ratio loop control Aug. 2, 2011
7991032 Laser drive 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
7978741 Optical transmitter with a shunt driving configuration and a load transistor operated in common gate mode Jul. 12, 2011
7978742 Methods for operating diode lasers Jul. 12, 2011
7978743 Driver circuit for loads such as LED, OLED or LASER diodes Jul. 12, 2011
7967452 Projection type display apparatus Jun. 28, 2011
7965746 Method for controlling power of an optical disk drive Jun. 21, 2011
7961767 System and method to regulate high current radiation sources Jun. 14, 2011
7957441 Method and apparatus for resonant frequency waveform modulation Jun. 7, 2011
7953132 Laser driver circuit and laser display May. 31, 2011
7940823 Laser turn-on accelerator independent of bias control loop bandwidth May. 10, 2011
7940824 Laser diode driver architectures May. 10, 2011
7940822 Tracking injection seeding power based on back facet monitoring (BFM) of an injection seeded laser May. 10, 2011
7920610 Pulse mode modulation in frequency converted laser sources Apr. 5, 2011
7917040 Method and apparatus for controlling wavelength tuning of optical source for optical communication Mar. 29, 2011
7916763 Current driven frequency-stepped radiation source and methods thereof Mar. 29, 2011
7912103 Semiconductor laser driving circuit, light emitting device, and disk drive Mar. 22, 2011
7907650 Laser module, control method of the same, control data of the same, and control data generation method Mar. 15, 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
7899099 Laser drive circuit and use Mar. 1, 2011
7894497 Driving circuit using probability density function Feb. 22, 2011
7889772 Laser oscillator apparatus and power supply apparatus therefor, and control method therefor Feb. 15, 2011
7873085 Method and device for controlling optical output of laser diode Jan. 18, 2011
7873087 Light source, light source device, laser image forming device and integrated circuit Jan. 18, 2011
7869477 System and method for developing high output power nanosecond range pulses from continuous wave semiconductor laser systems Jan. 11, 2011
7869478 Apparatus and method for maintaining constant extinction ratio of laser diode Jan. 11, 2011
7864827 Single ended laser driving system and method Jan. 4, 2011
7856037 System of method for dynamic range extension Dec. 21, 2010

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