发明名称 |
SYSTEM FOR DETECTING A MARKER SIGNAL INSERTED IN AN INFORMATION SIGNAL |
摘要 |
<p>SYSTEM FOR DETECTING A MARKER SIGNAL INSERTED IN AN INFORMATION SIGNAL A system for detecting a marker signal with a predetermined pattern inserted periodically in an information signal comprises a circuit which repetitively generates window signals and successively shifts the window signals in a step-wise fashion during a predetermined interval, a detecting circuit which employs the window signals to detect at least a portion of a marker signal in the information signal when at least the portion of the detected marker signal occurs during one of the window signals, a circuit which determines when the detected marker signal has the predetermined pattern to generate a net marker signal in response thereto, and a circuit responsive to the net marker signal which repetitively generates subsequent unshifted window signals beginning a predetermined time after the detected marker signal.</p> |
申请公布号 |
CA1214266(A) |
申请公布日期 |
1986.11.18 |
申请号 |
CA19830443844 |
申请日期 |
1983.12.20 |
申请人 |
SONY CORPORATION |
发明人 |
KOMATSUBARA, MICHIMASA;FUKAMI, TAKESHI;SAKAMOTO, AKIRA;SUGITA, TAKEHIRO;MIYATA, TOSHIYA |
分类号 |
H04K1/06;H04L7/04;H04L7/08;(IPC1-7):H04K1/06;G11B20/22 |
主分类号 |
H04K1/06 |
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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