Television – Bandwidth reduction system – Format type
Patent
1993-05-19
1994-09-06
Powell, Mark R.
Television
Bandwidth reduction system
Format type
348913, H04N 704, H04N 708, H04N 5278
Patent
active
053452704
ABSTRACT:
A video display control system comprises: a video display having a wide format display ratio; a letterbox detector for sampling video information in pictures represented by input video signals having a letterbox format and generating a control signal for enlarging the pictures for substantially filling the video display means with active video; and, a first control circuit for restricting operation of the letterbox detector to a vertical range of horizontal lines in each field of the video signal; and, a second control circuit for restricting operation of the letterbox detector to a horizontal range of video data in each of the horizontal lines.
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Commonly owned U.S. application Ser. No. 07/817,236 filed Jan. 6, 1992 (this is the parent application, which claims priority of Item AM above); Examiner J. Peng, Group 2602; Issue Fee has been paid.
Ersoz Nathaniel H.
Kranawetter Greg A.
Saeger Timothy W.
Fried Harvey D.
Grant Chris
Laks Joseph J.
Powell Mark R.
Thomson Consumer Electronics Inc.
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