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发明名称
光碟用偏移调整电路、积体电路、光碟装置以及偏移量调整方法
摘要
一种光碟用偏移量调整电路,此光碟用偏移量调整电路系包括光拾器的输出信号输入至一方输入端子,同时,控制电压施加在另一方输入端子的多个偏移量调整用差动运算放大器,以及用于加总所述多个偏移量调整用差动运算放大器之输出信号的加法运算电路。而且,它还包括根据所述加法运算电路之输出信号而输出数位信号的类比/数位转换器,与根据所述数位信号变更应该消除之偏移量、施加在所述偏移量调整用差动运算放大器之所述控制电压的控制电压调整部。
申请公布号
TW200426809
申请公布日期
2004.12.01
申请号
TW093111197
申请日期
2004.04.22
申请人
三洋电机股份有限公司
发明人
佐佐木英昭
分类号
G11B7/09
主分类号
G11B7/09
代理机构
代理人
詹铭文;萧锡清
主权项
地址
日本
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