Computer graphics processing and selective visual display system – Image superposition by optical means – Operator body-mounted heads-up display
Patent
1995-08-30
1997-06-17
Powell, Mark R.
Computer graphics processing and selective visual display system
Image superposition by optical means
Operator body-mounted heads-up display
345 9, 348 51, 348 53, G09G 500
Patent
active
056401710
ABSTRACT:
An image display device having liquid crystal panels separately in right and left sides of a viewer, and capable of performing a common video signal display (2D display) and a stereoscopic display in field sequentially, is disclosed. The device comprises: a display mode switching unit for switching the above two display modes; an adjusting value switching unit for switching the adjusting value to a value set every display mode in synchronization with the display mode switching unit; and an image signal processing unit for processing image signals for various image qualities of the image signals in accordance with the adjusting value from the display mode switching unit; thereby displaying the image display signal subjected to the image signal processing suitable for respective display modes on respective image display elements. The device comprises an image holding unit for holding previous image by one field on the image display element, in which the image signals to be displayed is not inputted, of the image display elements provided separately at right and left sides of a viewer at the switching to stereoscopic display mode.
REFERENCES:
patent: 4651201 (1987-03-01), Schoolman
patent: 5357277 (1994-10-01), Nakayoshi et al.
patent: 5523886 (1996-06-01), Johnson-Williams
Luu Matthew
Olympus Optical Company Ltd.
Powell Mark R.
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