Digital television tape recording
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Jul 25, 1989
Grant Date -
N/A
app pub date -
Jan 7, 1988
filing date -
Feb 5, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to digital television tape recording and more particularly to such recording using helical scan apparatus of the segmented type i.e. where one field of video is recorded by a plurality of rotations of the headwheel. The invention also provides apparatus for recording or playing back a digital television signal comprising a helical scanning device including a drum which may be a rotatable headwheel provided with a plurality of recording/playback heads, guide means for wrapping a magnetic recording tape around a portion of the circumference of the drum, means for rotating the headwheel, and means for moving the tape around the surface of the drum whereby one field of a television video picture is recorded or played back by a plurality of rotations of the headwheel, characterized in that the recording/playback heads are disposed on the headwheel.
First Claim
Family
International Classification(s)
Cited Art Landscape
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