Display device for focus detecting and indicating device for cam

Details Display device for focus detecting and indicating device for cam Display device for focus detecting and indicating device for cam

1980-01-21

1982-02-02

Hix, L. T.

354198, 354289, 354 60L, G03B 1720, G03B 1318

Patent

active

043136575

ABSTRACT:
A display device for a camera in which both an electrical focus detecting and indicating device and an exposure meter or automatic exposure control device are incorporated into a single display element provided in the view finder of the camera. Switching means is coupled to receive on input contacts thereof signals representing both a focus indication and a shutter speed. Normally, the display device displays information in response to the focus detection and indication signal. When the shutter button of the camera is depressed to a first position, the switching means is changed over to display the shutter speed. The display device may be implemented either by an array of LED display elements or a liquid crystal display element.

REFERENCES:
patent: 4047187 (1977-09-01), Mashimo et al.
patent: 4075638 (1978-02-01), Strauss et al.
patent: 4114995 (1978-09-01), Stieringer et al.
patent: 4140380 (1979-02-01), Ueda et al.

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