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US 5,635,948 AGranted
Display apparatus provided with use-state detecting unit
AssigneeCanon Kabushiki Kaisha
InventorSatoshi Tonosaki
Life of this patent
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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.
Claims10
A display apparatus to be mounted on the head of an observer, comprising:
- display means for displaying image information for both eyes of said observer;
- use-state detecting means for detecting a use state and a non-use state about whether or not said observer is observing said display means;
- portable power supply means for supplying power to each element in said display apparatus;
- and
- means for controlling said portable power supply means, based on a signal from said use-state detecting means.
2 more elements
Dependencies are inferred from the claim text.