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发明名称
用于控制复数点之聚焦的装置及方法
摘要
本发明系关于一种利用一聚焦误差讯号(FE)控制旨在施加至一光碟上的复数点之聚焦的装置(300),旨在跟随一移位的该复数点包括至少一移动的点及至少一具有相对静止运动的点。该装置包括一产生单元(310),用于在该移位之前,自源自于该至少一移动的点之一第一聚焦误差讯号(FEA),至源自于该至少一具有相对静止运动的点之一第二聚焦误差讯号(FEC),产生该聚焦误差讯号(FE)。
申请公布号
TW200802340
申请公布日期
2008.01.01
申请号
TW095120804
申请日期
2006.06.12
申请人
皇家飞利浦电子股份有限公司
发明人
汉克 古森斯;谌达宇;战强
分类号
G11B7/09(2006.01)
主分类号
G11B7/09(2006.01)
代理机构
代理人
陈长文
主权项
地址
荷兰
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