发明名称 |
Method for reducing a number of input terminals of an automatic power control circuit, and associated automatic power control circuit |
摘要 |
A method for reducing a number of input terminals of an APC circuit is provided, where the APC circuit is arranged to control an optical pickup unit (OPU) within an optical storage device. The method includes: utilizing at least one switching module to ground one of a first and a second input terminals of the APC circuit at a time; and utilizing the switching module to electrically connect an APC front end within the APC circuit to a non-grounded input terminal of the first and the second input terminals, in order to receive a detection signal of a photo diode of the OPU through the non-grounded input terminal at the time. An associated APC circuit is also provided. |
申请公布号 |
US8630158(B2) |
申请公布日期 |
2014.01.14 |
申请号 |
US20100918321 |
申请日期 |
2010.06.13 |
申请人 |
LIU CONG;HUANG CHIH-CHIEN;MEDIATEK SINGAPORE PTE. LTD. |
发明人 |
LIU CONG;HUANG CHIH-CHIEN |
分类号 |
G11B7/00;G11B7/1263 |
主分类号 |
G11B7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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