Camera with zoom lens operation display device

Details Camera with zoom lens operation display device Camera with zoom lens operation display device

1991-02-14

1993-07-27

Griffin, Donald A.

354472, 354199, G03B 300, G03B 1718

Patent

active

052314421

ABSTRACT:
A camera has a zoom lens. The zoom lens has a variable focal length over a predetermined focal length range, the ends or limits of which correspond to the longest and the shortest focal lengths of the zoom lens, respectively. The camera includes a detector which detects when the focal length of the zoom lens is at one end of the focal length range, and a display which provides an indication for the user of the camera that the focal length of the zoom lens is at that one end. With a plurality of different zoom modes, the camera has a zoom mode selector which selects one of the zoom modes that is to be used, and the selected zoom mode is displayed. The camera further includes another detector which detects the direction of zooming operation of the zoom lens, and the detected direction is also displayed. Useful information relating to various zoom lens operations is provided by the display for the user of the camera.

REFERENCES:
patent: 4313657 (1982-02-01), Tokutomi et al.
patent: 4361390 (1982-11-01), yamada
patent: 4855782 (1989-08-01), Kobayashi et al.
patent: 4942417 (1990-07-01), Miyazawa et al.
patent: 4945371 (1990-07-01), Hashimoto et al.
patent: 4977425 (1990-12-01), Yamamoto et al.
patent: 4984000 (1991-01-01), Watanabe et al.
patent: 4984000 (1991-01-01), Watanabe et al.
patent: 4994846 (1991-02-01), Kobayashi et al.
English Language abstracts of Japanese Patents JP-63-195639 and JP-1-309034.

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