Tripod type slave unit

Details Tripod type slave unit Tripod type slave unit

1985-05-30

1986-04-15

Perkey, William B.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

354424, 354 81, 354131, 250214SF, G03B 1502, G03B 2900

Patent

active

045824100

ABSTRACT:
A tripod type slave unit comprises a shoe type mount for carrying detachably a mounting leg for strobo device and the like on a portion of a tripod device detachable to an accessory mount of a camera, a control terminal connected to a switching terminal for strobo device and the like carried on the shoe type mount, and a switching circuit connected between both terminals of said control terminal to shortcircuit both the terminals temporarily by means of a photosensor for detecting a leading edge of a flash of a main light source.

REFERENCES:
patent: 1936595 (1933-11-01), Goddard
patent: 2408764 (1946-10-01), Edgerton
patent: 2773732 (1956-12-01), Roberts et al.
patent: 3742835 (1973-07-01), Bahnsen
patent: 3805281 (1974-04-01), Narita et al.
patent: 3917944 (1975-11-01), Eisenberger et al.
patent: 4030114 (1977-06-01), Telfer
patent: 4045808 (1977-08-01), King
patent: 4290685 (1981-09-01), Ban

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