Hot shoe system for camera

Details Hot shoe system for camera Hot shoe system for camera

1994-12-15

1996-10-15

Hayes, Monroe H.

Photography

With object illumination for exposure

Having flash built into camera

396155, 396198, G03B 1503

Patent

active

055659411

ABSTRACT:
A pop-up internal strobe unit of a camera is enabled when a hot shoe cover is inserted into a hot shoe, or if the hot shoe is empty, and is disabled when an external strobe is mounted in the hot shoe. The enabling and disabling of the pop-up internal strobe unit is controlled by operation of a switch extending into the hot shoe region. The switch is not actuated, thus enabling operation of the pop-up internal strobe unit, when a matched recess provided in the hot shoe cover is inserted into the hot shoe. The switch is actuated, thus disabling operation of the pop-up internal strobe unit operation, when an external strobe is mounted in the shoe.

REFERENCES:
patent: 3712197 (1973-01-01), Wagner
patent: 4893140 (1990-01-01), Yamamoto et al.
patent: 4910542 (1990-03-01), Yamamoto et al.
patent: 5159379 (1992-10-01), Shirane
patent: 5329327 (1994-07-01), Arai et al.

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