Image display system

Details Image display system Image display system

1995-08-22

1998-10-20

Hjerpe, Richard A.

Television

Format conversion

Conversion between standards with different aspect ratios

348913, H04N 701

Patent

active

058254277

ABSTRACT:
The present invention addresses problems of dealing with video formats in both 4:3 and 16:9 aspect ratios by providing an image display system having an aspect ratio between the 4:3 aspect ratio of the standard National Television System Committee (NTSC) and the soon to be implemented 16:9 aspect ratio of High Definition TV (HDTV). In a first embodiment, the apparatus utilizes a video screen having a substantially rectangular configuration having an aspect ratio being between 1.4:1 and 1.7:1. In a more preferred embodiment, the image display system includes a video screen having an aspect ratio being between 1.5:1 and 1.6:1. In an even more preferred embodiment, the video screen of the image display system optimally has an aspect ratio of (square root of 64/27):1.0.

REFERENCES:
patent: 4734772 (1988-03-01), Akiyama
patent: 5223928 (1993-06-01), Hamada
patent: 5243421 (1993-09-01), Nagata et al.
patent: 5489952 (1996-02-01), Gove et al.
patent: 5491512 (1996-02-01), Itakura et al.

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