Single lens reflex camera

Details Single lens reflex camera Single lens reflex camera

1982-08-12

1984-01-24

Perkey, William B.

35428912, G03B 1302, G03B 1718

Patent

active

044272812

ABSTRACT:
A DC/DC converter is provided above the penta prism in a single lens reflex camera for increasing the battery voltage for driving the various electric parts, display parts, etc. necessary to take pictures.

REFERENCES:
patent: 3846805 (1974-11-01), Kiyohara et al.
patent: 4025935 (1977-05-01), Wagensonner
patent: 4223987 (1980-09-01), Shimizu et al.
patent: 4306807 (1981-12-01), Sakane et al.
patent: 4359277 (1982-11-01), Shimizu et al.

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