| 发明名称 |
Special program decoding of scrambled subscription television transmissions |
| 摘要 |
This disclosure is concerned with a limited time operative decoder for special scrambled television program transmissions involving a voltage source for energizing the decoder of limited time effectiveness adapted to energize the decoder only during the limited time of the special scrambled television program.
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| 申请公布号 |
US4567516(A) |
申请公布日期 |
1986.01.28 |
| 申请号 |
US19820412780 |
申请日期 |
1982.08.30 |
| 申请人 |
BLONDER-TONGUE LABORATORIES, INC. |
发明人 |
SCHERER, GEORGE;JOSWICK, WALTER;BLONDER, ISAAC S. |
| 分类号 |
H04N7/16;(IPC1-7):H04N7/16;H04K1/00 |
主分类号 |
H04N7/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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