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 Image data control apparatus and display system

Details
Inventors: Mizutome, Atsushi; Yuki, Osamu; Inoue, Hiroshi;
Assignee: Canon Kabushiki Kaisha (Tokyo, JP)
Primary Examiner: Saras; Steven J.
Assistant Examiner: Bell; Paul A.
Attorney, Agent or Firm: Fitzpatrick, Cella, Harper & Scinto

An image data control apparatus comprises a first circuit to generate image data, a second circuit to discriminate a display mode from a main body side and a third circuit to convert the image data in accordance with the discriminated display mode.

DETAILED DESCRIPTION It is an object of the invention to provide a liquid crystal display system whose compatibility with a CRT display system has been improved and, more particularly, to provide a ferroelectric liquid crystal display system.
Another object of the invention is to provide a control system of image data in which compatibility with a CRT display system has been improved.
According to the first aspect of the invention, the above objects are accomplished by an image data control apparatus comprising: a.
first means for outputting image data; b.
second means for discriminating a display mode from the main body side; and c.
third means for converting the image data in accordance with the discriminated display mode.
The above objects are also accomplished by a display system using such an image data control apparatus.
According to the second aspect of the invention, the above objects are accomplished by an image data control apparatus comprising: a.
first means for outputting image data; b.
second means for discriminating a display mode from the main body side; c.
third means for reading out color data from the first means; and d.
fourth means for converting the color data in accordance with the discriminated display mode.
The above objects are also accomplished by a display system using such an image data control apparatus.
According to the third aspect of the invention, the above objects are accomplished by an image data control apparatus comprising: a.
first means for outputting image data; b.
second means for discriminating a display mode from the main body side; c.
third means for reading out color data from the first means; d.
fourth means for converting the image data into an on/off signal; and e.
fifth means for converting the color data in accordance with the discriminated display mode.
The above objects are also accomplished by a display system using such an image data control apparatus.


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