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LASER DRIVING CIRCUIT, LASER DRIVING METHOD, PROJECTOR APPARATUS AND APPARATUS WHICH USES LASER LIGHT

机译:激光驱动电路,激光驱动方法,投影仪和使用激光的设备

摘要

Disclosed herein is a laser driving circuit, including: a plurality of laser driving video current generation circuits configured to generate a plurality of kinds of laser driving current for driving a plurality of laser light sources configured to emit laser light having wavelengths different from each other based on an inputted video signal; a high frequency superposition section configured to superpose a high frequency signal having a frequency higher than a frequency band of the video signal on the laser driving current generated by the laser driving video current generation circuits; and a waveform correction section configured to correct a waveform of the high frequency signal.
机译:本文公开了一种激光驱动电路,包括:多个激光驱动视频电流生成电路,其被配置为生成用于驱动多个激光源的多种激光驱动电流,所述多个激光源被配置为基于彼此发射具有彼此不同的波长的激光。在输入的视频信号上;高频叠加部分,其被配置为将频率高于视频信号的频带的高频信号叠加在由激光器驱动视频电流产生电路产生的激光器驱动电流上;波形校正部,用于校正高频信号的波形。

著录项

  • 公开/公告号US2013258210A1

    专利类型

  • 公开/公告日2013-10-03

    原文格式PDF

  • 申请/专利权人 SONY CORPORATION;

    申请/专利号US201313785792

  • 发明设计人 TSUTOMU KURIHARA;MOTOI KIMURA;

    申请日2013-03-05

  • 分类号H04N5/74;

  • 国家 US

  • 入库时间 2022-08-21 16:49:49

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