发明名称 |
Dual search mode type tuning system |
摘要 |
A signal seeking tuning control system of a television receiver is first caused to operate in a first mode to search a frequency range surrounding a selected channel in accordance with predetermined conditions of a picture synchronization signal, and thereafter caused to operate in a second mode to search essentially the same frequency range but this time in response to predetermined conditions of an automatic fine tuning signal.
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申请公布号 |
US4405947(A) |
申请公布日期 |
1983.09.20 |
申请号 |
US19810261450 |
申请日期 |
1981.05.08 |
申请人 |
RCA CORPORATION |
发明人 |
TULTS, JURI;FRENCH, MICHAEL P. |
分类号 |
H03J7/28;H04N5/50;(IPC1-7):H04B1/16 |
主分类号 |
H03J7/28 |
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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