Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1985-08-30
1987-06-09
Masinick, Michael A.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358 11, 358 12, 358141, H04N 701
Patent
active
046724435
ABSTRACT:
A wide aspect ratio television system includes memories for storing and recovering a video input signal in response to read and write clock pulses, respectively. Write clock pulses are deleted to compress edge regions of a wide aspect ratio input signal and read clock pulses are deleted to restore the signal to its original aspect ratio. The pattern of delected pulses is altered on a line-by-line basis to reduce visible artifacts of signal decimation. Dual mode receivers include provisions for controlling edge blanking, interpolation and the pattern of clock pulses deleted as a function of received signals. Wide and standard aspect ratio images are displayed without altering the width of the display raster.
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Dischert Robert A.
Jose David L.
Moles Warren H.
Walter James M.
Coalter R. G.
Emanuel P. M.
Masinick Michael A.
Rasmussen P. J.
RCA Corporation
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