发明授权
- 专利标题: Device for use in program transmission systems
- 专利标题(中): 在一个程序传输系统适用的设备
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申请号: EP99104262.3申请日: 1995-12-11
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公开(公告)号: EP0930784B1公开(公告)日: 2001-06-13
- 发明人: Carey, John Thomas , Taylor, Barbara Anne
- 申请人: AT&T IPM Corp.
- 申请人地址: 2333 Ponce de Leon Boulevard Coral Gables, Florida 33134 US
- 专利权人: AT&T IPM Corp.
- 当前专利权人: AT&T IPM Corp.
- 当前专利权人地址: 2333 Ponce de Leon Boulevard Coral Gables, Florida 33134 US
- 代理机构: Buckley, Christopher Simon Thirsk
- 优先权: US364628 19941227
- 主分类号: H04N7/16
- IPC分类号: H04N7/16
摘要:
A method and an apparatus for spinning off a channel so as to provide a viewer with a choice of viewing a first program (e.g., the TV program), a second program (e.g., a news brief), or both are disclosed. More specifically, a method for providing such a choice entails initially having a system for transmitting programs wherein a first program is transmitted on a first channel (402,404,408) to a set of subscriber stations. Next, a temporary channel is defined (406,412,414). The transmission of the first program is continued on the temporary channel (414,416). The transmission of the first program is discontinued on the first channel. A second program is transmitted on the first channel (418). Advantageously, the invention provides viewers with a programming choice not otherwise available.
公开/授权文献
- EP0930784A1 Device for use in program transmission systems 公开/授权日:1999-07-21
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