Wide screen image projection apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 24, 1983
Issued Date -
N/A
app pub date -
Nov 16, 1981
filing date -
May 8, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An image display apparatus having a cathode ray tube with a deflection device, a projection screen and a projection lens projecting an image from the picture screen of the cathode ray tube onto the projection screen, is further provided with a deflection width control device which changes a dimension particularly the width of the cathode ray tube raster, in response to a change in the type of a television signal supplied to the tube.
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Family
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Cited Art Landscape
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