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    • 9. 发明授权
    • Laser driving device and optical apparatus
    • 激光驱动装置和光学装置
    • US08228773B2
    • 2012-07-24
    • US12461408
    • 2009-08-11
    • Tsutomu KuriharaMotoi KimuraKoichi YokoyamaToshiaki Yoshihara
    • Tsutomu KuriharaMotoi KimuraKoichi YokoyamaToshiaki Yoshihara
    • G11B7/00
    • G11B7/0062
    • A laser driving device includes a storage unit that stores signal patterns for recording-waveform control representing level information of each divided driving signal to drive a laser device on a space and a mark based on the divided driving signals. Also, it includes a pulse generator that generates the reference pulse and the switching pulse based on a first transmission signal and a second transmission signal. The first transmission signal contains timing information for acquiring a reference pulse that represents a timing of repetitively switching between the space and the mark. The second transmission signal contains timing information for acquiring a switch pulse that represents a timing of switching the signals. Among level information for each of the signals in the storage, reference level information is read together with the reference pulse. Other level information after the reference level information is sequentially read for each switching pulse.
    • 激光驱动装置包括存储单元,其存储用于记录波形控制的信号图形,其表示基于划分的驱动信号的空间上的激光装置的驱动信号,并分别驱动激光装置。 此外,它包括脉冲发生器,其基于第一传输信号和第二传输信号产生参考脉冲和切换脉冲。 第一传输信号包含用于获取表示在空间和标记之间重复切换的定时的参考脉冲的定时信息。 第二发送信号包含用于获取表示切换信号的定时的开关脉冲的定时信息。 在存储器中的每个信号的电平信息中,参考电平信息与参考脉冲一起读取。 对于每个切换脉冲,依次读取参考电平信息之后的其他电平信息。