| 发明名称 |
LOCAL DIGITAL VIDEO DISTRIBUTION SYSTEM FOR CABLE |
| 摘要 |
An apparatus for use in a cable system comprises a port for receiving a downstream cable transmission; a demodulator for receiving an upstream signal for providing a demodulated signal; and a modulator for modulating the demodulated signal for providing a downstream signal for addition to the received downstream cable transmission. |
| 申请公布号 |
KR20090021338(A) |
申请公布日期 |
2009.03.03 |
| 申请号 |
KR20087028237 |
申请日期 |
2008.11.19 |
| 申请人 |
THOMSON LICENSING |
发明人 |
KNUTSON PAUL GOTHARD;RAMASWAMY KUMAR |
| 分类号 |
H04H20/76;H04N7/015;H04N7/10 |
主分类号 |
H04H20/76 |
| 代理机构 |
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代理人 |
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