Film data recording/reproducing apparatus for a camera by writin

Details Film data recording/reproducing apparatus for a camera by writin Film data recording/reproducing apparatus for a camera by writin

1995-01-20

1996-07-02

Gellner, Michael L.

G03B 1724

Patent

active

055327745

ABSTRACT:
A thermal head records data on a photographing film in the form of fine pits formed on the surface of the photographing film by its fine heating sections tightly contacted to the photographing film while the photographing film is being moved in a camera. A data detecting optical system projects light on the pits representing data on the surface of the photographing film and receives the light reflected by the photographing film. A line sensor detects rays of light scattered by the pits when the photographing film reflects the projected light, thereby reading out the recorded data.

REFERENCES:
patent: 3843956 (1974-10-01), Kauneckas
patent: 4864332 (1989-09-01), Harvey
patent: 4914471 (1990-04-01), Saeki et al.
patent: 5023637 (1991-06-01), Lorton et al.
patent: 5128702 (1992-07-01), Ogawa et al.
patent: 5229810 (1993-07-01), Cloutier et al.

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