Camera with a warning system of inappropriate camera holding

Details Camera with a warning system of inappropriate camera holding Camera with a warning system of inappropriate camera holding

1997-04-16

1999-08-24

Metjahic, Safet

Photography

Having camera indicator

G03B 702, G03B 1718

Patent

active

059435160

ABSTRACT:
A warning system of a camera for providing a photographer a warning indicating an impediment to a window, provided in a front wall of the camera, through which light traveling toward and/or from a subject passes. It includes a touch sensor, disposed in close proximity to the window, which involves a resistance, or a body capacity, of a photographer's finger touching the sensor in, and as a part of, an electric circuit. This provides a change in electric parameter of the circuit by which a warning device is actuated to emit light, or otherwise generate sound, as the warning of impediment.

REFERENCES:
patent: 4136291 (1979-01-01), Waldron
patent: 4206990 (1980-06-01), Imura et al.
patent: 4329039 (1982-05-01), Kaneko
patent: 4371245 (1983-02-01), Iwata et al.
patent: 4538894 (1985-09-01), Shirane
patent: 4547054 (1985-10-01), Bridges
patent: 4589519 (1986-05-01), Gruodis
patent: 5153572 (1992-10-01), Caldwell
patent: 5189417 (1993-02-01), Caldwell et al.
patent: 5210560 (1993-05-01), Labaziewicz
patent: 5572205 (1996-11-01), Caldwell et al.

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