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发明名称
光碟播放装置
摘要
将从光碟媒体1所检测的播放RF信号3进行波形整形后,根据频道时钟之2倍周期之取样时钟8变换成数位RF信号6。然后,利用第一偏差修正电路9修正高频带之偏差变动量,用数位适应等化器23进行适应等化后,利用第二偏差修正电路27,修正在第一偏差修正电路9所残留的偏差成分,而将数位二值化信号37解调。因而,在高倍速播放且和记录品质相依之非对称大的情况,亦可在保持高性能的播放性能下,减少耗电力。因而,可提供低耗电力且可实现充分之播放性能的光碟播放装置。
申请公布号
TW200641805
申请公布日期
2006.12.01
申请号
TW095103756
申请日期
2006.02.03
申请人
松下电器产业股份有限公司
发明人
小仓洋一;小西信一
分类号
G11B20/10(2006.01);G11B20/18(2006.01);H04L25/02(2006.01)
主分类号
G11B20/10(2006.01)
代理机构
代理人
何金涂;何秋远
主权项
地址
日本
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