发明授权
US4695873A Horizontal line data position and burst phase encoding apparatus and
method
失效
水平线数据位置和脉冲串相位编码装置及方法
- 专利标题： Horizontal line data position and burst phase encoding apparatus and method
- 专利标题（中）： 水平线数据位置和脉冲串相位编码装置及方法
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申请号： US872568申请日： 1986-06-10
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公开(公告)号： US4695873A公开(公告)日： 1987-09-22
- 发明人: Terrance Smith
- 申请人： Terrance Smith
- 申请人地址： CA Redwood City
- 专利权人： Ampex Corporation
- 当前专利权人： Ampex Corporation
- 当前专利权人地址： CA Redwood City
- 主分类号： H04N9/44
- IPC分类号： H04N9/44
摘要：
Information related to the beginning of data and the phase of color burst on consecutive horizontal scan lines of a digital color television signal is encoded into a variable width pulse. A first transition of that pulse has a predetermined phase relationship with the beginning of data on each line. A second transition of the variable width pulse is formed by providing a delayed transition with respect to the first transition in a variable delay circuit. The second transition is delayed by different amounts of delay, each corresponding to a particular predetermined color burst phase on that particular line.
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