发明授权
US4887169A Video signal recording and playback apparatus having varied-speed
playback capability
失效
具有变速再现能力的视频信号记录和播放装置
- 专利标题: Video signal recording and playback apparatus having varied-speed playback capability
- 专利标题(中): 具有变速再现能力的视频信号记录和播放装置
-
申请号: US33631申请日: 1987-04-03
-
公开(公告)号: US4887169A公开(公告)日: 1989-12-12
- 发明人: Tatsushi Bannai , Shigeru Awamoto , Mitsuo Chiba , Seishi Sasaki
- 申请人: Tatsushi Bannai , Shigeru Awamoto , Mitsuo Chiba , Seishi Sasaki
- 申请人地址: JPX Osaka
- 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: JPX Osaka
- 优先权: JPX61-78559 19860404
- 主分类号: H04N5/783
- IPC分类号: H04N5/783 ; G11B15/18 ; G11B27/30 ; H04N5/7826 ; H04N5/92 ; H04N5/937 ; H04N9/81 ; H04N9/82 ; H04N9/87
摘要:
A video signal recording and playback apparatus for recording each field of a video signal as a plurality of segments on a plurality of tracks, including a circuit for inserting segment index signals after conversion of the video signal to a recording signal, to be recorded together with the recording signal to designate the respective segments. During varied-speed playback operation, the segment index signals are detected in the playback signal, and the data thus obtained are used to control the operation of a memory which temporarily stores successively produced portions of the playback signal. A playback signal can thereby be obtained by combining output signals from the memory, which will produce a satisfactory display image during varied-speed playback operation, e.g. during high-speed playback, with only simple signal processing being required.