会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 77. 发明授权
    • Optical recording apparatus
    • 光学记录仪
    • US5157650A
    • 1992-10-20
    • US746061
    • 1991-08-12
    • Tadashi OzueMasahiko ChayaTatsuya Narahara
    • Tadashi OzueMasahiko ChayaTatsuya Narahara
    • G11B7/003G11B7/12G11B7/14
    • G11B7/14G11B7/0031G11B7/12
    • An optical recording apparatus employing a plurality of modulated laser beams as means for recording information on an optical recording medium, comprising a laser beam source which emits a laser beam, a plurality of carrier sources which generate carriers respectively of different frequencies, a plurality of switching circuits respectively connected to the carrier sources to interrupt the carriers intermittently for modulation according to information data signals applied respectively thereto to provide driving signals, an acoustooptic reflector which splits the laser beam into a plurality of discrete laser beam intermittently interrupted respectively according to the driving signals, a focusing lens for focusing the plurality of discrete laser beams on spots on the recording surface of a recording medium, and a polygonal rotating mirror disposed between the acoustooptic deflector and the focusing lens to reflect the plurality of discrete laser beams so as to sweep the recording surface of the recording medium for information recording simultaneously on a plurality of recording tracks on the recording medium.
    • 一种采用多个调制激光束的光记录装置,用于在光记录介质上记录信息的装置,包括发射激光束的激光束源,分别产生不同频率的载波的多个载波源,多个切换 分别连接到载波源的电路,以根据分别施加的信息数据信号间歇地中断载波,以提供驱动信号;声光反射器,其将激光束分裂成分别根据驱动信号间歇地中断的多个离散激光束 ,用于将多个离散激光束聚焦在记录介质的记录表面上的点上的聚焦透镜,以及设置在声光偏转器和聚焦透镜之间的多边形旋转镜,以反射多个离散的激光束,以便扫描 录音 用于在记录介质上的多个记录轨道上同时进行信息记录的记录介质。