Photographic data printing device

Details Photographic data printing device Photographic data printing device

1978-04-20

1980-04-15

Griffin, Donald A.

354219, G03B 1724, G03B 1302

Patent

active

041981464

ABSTRACT:
A data printing device for use in a photographic camera includes an electronic clock for providing time and date data to be printed in digital form on the associated film in the camera. In one embodiment, the data are grouped into two parts which are printed in time-displaced relation to each other on a common picture frame, while the data are prevented from changing during the printing operation, as time passes on. The display of data is effected only when printing is performed, or when required or desired values of time and/or date are set in the electronic clock, thereby the consumption of electrical energy of a common battery of the exposure control apparatus in the camera is minimized.

REFERENCES:
patent: 3603974 (1971-09-01), Copeland
patent: 3839856 (1974-10-01), Dargent
patent: 3849784 (1974-11-01), Holzapfel
patent: 3882512 (1975-05-01), Lawrence et al.
patent: 3889281 (1975-06-01), Taguchi et al.
patent: 3953868 (1976-04-01), Kawamura et al.
patent: 3962861 (1976-06-01), Protta et al.
patent: 4001850 (1977-01-01), Fujita

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