Release apparatus for a camera

Details Release apparatus for a camera Release apparatus for a camera

1986-03-25

1988-07-12

Perkey, W. B.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

354268, 340573, 340584, G03B 1738, G08B 2300, G01J 100

Patent

active

047573376

ABSTRACT:
A release apparatus for a camera having a temperature sensor adapted particularly to detect a change of the temperature of an image in the picture frame. As an object, such as a man or an animal, comes to enter a target area of the sensor, when the temperature of the area of the picture frame changes, a shutter of the camera is released, or an operation of an auto-focus device is initiated, by the output of the temperature change detector.

REFERENCES:
patent: 2109361 (1938-02-01), Spiegel
patent: 3613061 (1971-10-01), Lund
patent: 4179691 (1979-12-01), Keller
patent: 4346427 (1982-08-01), Blissett et al.
patent: 4377808 (1983-03-01), Kao
patent: 4418335 (1983-11-01), Genahr
patent: 4468658 (1984-08-01), Rossin

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