Light shutter apparatus for a photographic film scanner

Details Light shutter apparatus for a photographic film scanner Light shutter apparatus for a photographic film scanner

1994-12-15

1996-04-09

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358475, 358487, 355 71, 359227, 359234, H04N 104

Patent

active

055066950

ABSTRACT:
A low cost, compact light shutter apparatus for a photographic film scanner in which an elongate light shutter mechanism has a curvilinear surface nested in a mating, curvilinear recess formed in an opaque plate. The shutter mechanism preferably is comprised of an elongated blade of sufficient length and width to cover a light transmitting slot in the plate when the blade is in a light blocking position. The blade is attached to a rotary solenoid for movement between light blocking and light transmitting positions.

REFERENCES:
patent: 3774520 (1973-11-01), Smith et al.
patent: 3988537 (1976-10-01), Cooley
patent: 4614976 (1986-09-01), Ogata
patent: 4801979 (1989-01-01), Bourgeois
patent: 5153715 (1992-10-01), Bender et al.

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