发明公开
EP0785686A2 Method and apparatus for transmitting and receiving television signal
失效
用于发送和接收电视信号的方法和装置
- 专利标题： Method and apparatus for transmitting and receiving television signal
- 专利标题（中）： 用于发送和接收电视信号的方法和装置
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申请号： EP97100847.9申请日： 1997-01-21
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公开(公告)号： EP0785686A2公开(公告)日： 1997-07-23
- 发明人: Nishio, Toshiro , Imai, Kiyoshi , Usui, Akira
- 申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 申请人地址： 1006, Ohaza Kadoma Kadoma-shi, Osaka 571 JP
- 专利权人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人地址： 1006, Ohaza Kadoma Kadoma-shi, Osaka 571 JP
- 代理机构： Kügele, Bernhard
- 优先权： JP11561/96 19960126
- 主分类号： H04N7/16
- IPC分类号： H04N7/16
摘要：
In a television signal transmitting and receiving apparatus, a digitally coded television signal, such as an MPEG2-Video stream (100), is transmitted, and an accounting level requested by the user (101) is input to the receiver, whereby the decoding coefficient at decoding in an MPEG2-Video decoder (11) is varied to obtain an image having a resolution according to the accounting level. In this apparatus, it is possible to offer a service with a resolution according to the accounting level.
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