发明名称 |
Subscription television decoder apparatus |
摘要 |
This disclosure is concerned with simplified decoder apparatus for use with depressed horizontal sync scrambled television transmissions, embodying intercarrier detection of picture and sound carriers and FM demodulation of audio information including a pilot tone used to restore the video sync signal by controlling an RF gating amplifier.
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申请公布号 |
US4163252(A) |
申请公布日期 |
1979.07.31 |
申请号 |
US19760738621 |
申请日期 |
1976.11.03 |
申请人 |
BLONDER TONGUE LABS INC |
发明人 |
MISTRY, KANTILAL;SPERBER, MARTIN |
分类号 |
H04N7/167;H04N7/171;(IPC1-7):H04N7/16 |
主分类号 |
H04N7/167 |
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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