Display apparatus provided with use-state detecting unit

Details Display apparatus provided with use-state detecting unit Display apparatus provided with use-state detecting unit

1995-04-20

1997-06-03

Tung, Kee M.

Computer graphics processing and selective visual display system

Image superposition by optical means

Operator body-mounted heads-up display

345156, 345211, G09G 302

Patent

active

056359489

ABSTRACT:
The present invention concerns a display apparatus, which comprises a display device for displaying image information for the both eyes of an observer, a use-state detecting device for detecting a use state and a non-use state about whether or not the observer is observing the display device, a power supply device for supplying power to each element in the display apparatus, and a device for controlling the power supply device, based on a signal from the use-state detecting device.

REFERENCES:
patent: 4768088 (1988-08-01), Ando
patent: 4933963 (1990-06-01), Sato et al.
patent: 5144678 (1992-09-01), Lenz

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