发明授权
US08174616B2 Method and apparatus for transitioning from a first display format to a second display format
有权
用于从第一显示格式转换到第二显示格式的方法和装置
- 专利标题： Method and apparatus for transitioning from a first display format to a second display format
- 专利标题（中）： 用于从第一显示格式转换到第二显示格式的方法和装置
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申请号： US12451624申请日： 2007-06-21
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公开(公告)号： US08174616B2公开(公告)日： 2012-05-08
- 发明人: Severin Werner Engeli , Roger Dominik Bozzini , Magdy Megeid
- 申请人： Severin Werner Engeli , Roger Dominik Bozzini , Magdy Megeid
- 申请人地址： FR Boulogne Billancourt
- 专利权人： Thomson Licensing
- 当前专利权人： Thomson Licensing
- 当前专利权人地址： FR Boulogne Billancourt
- 代理商 Robert D. Shedd; Paul P. Kiel
- 国际申请： PCT/IB2007/001672 WO 20070621
- 国际公布： WO2008/155601 WO 20081224
- 主分类号： H04N5/46
- IPC分类号： H04N5/46 ; H04N7/01
摘要：
A letterbox detector includes a detection module configured to determine aspect ratio changes in an input signal. A transition module is configured to transition between a plurality of display modes associated with the aspect ratio changes. A first display mode to a second display mode transition is performed over a first period of time, and a second display mode to a first display mode is performed gradually over a second period of time, that is different from the first period of time. The letterbox detector may be included in digital and analog displays.
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