Rotatable electronic flash device with automatic light sensor tr

Details Rotatable electronic flash device with automatic light sensor tr Rotatable electronic flash device with automatic light sensor tr

1979-01-04

1980-12-09

Wintercorn, Richard A.

354 32, 354 59, G03B 1505, G03B 700

Patent

active

042381509

ABSTRACT:
An electronic flash device for associated camera attachment, in which the flash device is rotatable about an axis generally perpendicular to the normally horizontal viewing plane of the camera lens. The light sensor of the flash device is automatically positioned by the rotational movement of the flash device, for maintaining the sensor's line of sight, parallel with the camera lens' view direction.

REFERENCES:
patent: 3187170 (1965-06-01), Kille
patent: 3291996 (1966-12-01), Stimson
patent: 3967106 (1976-06-01), Chen
patent: 4067024 (1978-01-01), Quinn

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