Camera

Details Camera Camera

1973-10-02

1977-05-31

Hix, L. T.

354 53, 354199, G03B 1718, G03B 1720

Patent

active

040273172

ABSTRACT:
A camera of variable focal length is equipped with an indicator which signals the existence of a condition unsuitable for the taking of pictures because of the risk of blurring. The indicator is controlled by a sensing circuit taking into account such parameters as focal length, exposure time and, possibly, the steadiness of the camera support.

REFERENCES:
patent: 2273876 (1942-02-01), Lutz et al.
patent: 3006262 (1961-10-01), MacMillan
patent: 3455221 (1969-07-01), Reekie
patent: 3526177 (1970-09-01), Kiper et al.
patent: 3570382 (1971-03-01), Neudecker et al.
patent: 3605596 (1971-09-01), Vockenhuber et al.
patent: 3668985 (1972-06-01), Wazumi
patent: 3688657 (1972-09-01), Ueda

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