Electronic flash device for a camera and accessory shoe for moun

Details Electronic flash device for a camera and accessory shoe for moun Electronic flash device for a camera and accessory shoe for moun

1989-05-11

1990-10-02

Brown, Brian W.

G03B 1700

Patent

active

049610830

ABSTRACT:
An accessory shoe for mounting an electronic flash device on a camera, which is provided at a top portion of the camera and has a plurality of terminals for circuitry of the camera arrayed in a direction in which the electronic flash device is inserted into the accessory shoe. Of the plurality of terminals, a terminal which leads to an X contact and outputs a signal indicative of a situation of the X contact is located at a position closest to an insertion opening of the accessory shoe and is connected to a terminal on an electronic flash device for inputting the signal at the end of a mounting procedure of the electronic flash device.

REFERENCES:
patent: 3712197 (1973-01-01), Wagner
patent: 4354751 (1982-10-01), Izumi et al.
patent: 4406533 (1983-09-01), Yamamoto
patent: 4448509 (1984-05-01), Katsuma et al.
patent: 4639112 (1987-01-01), Nakai et al.

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