Film scanner system with an automatic focusing device

Television – Special applications – Film – disc or card scanning

Reexamination Certificate

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Reexamination Certificate

active

07038708

ABSTRACT:
In a film scanner with an automatic focusing device in which the film images are shown line by line by means of an objective on at least one line sensor, with a still film the adjusting range of the objective is passed through according to a predefined program. The then developing video signals are evaluated for their high frequency component. The objective is adjusted to the maximum of the high frequency component.

REFERENCES:
patent: 3812525 (1974-05-01), Hilbert
patent: RE33185 (1990-03-01), Matsuda et al.
patent: 4928170 (1990-05-01), Soloveychik et al.
patent: 5105278 (1992-04-01), Takemoto
patent: 5430478 (1995-07-01), Kaye et al.
patent: 5452005 (1995-09-01), Kubo et al.
patent: 5457491 (1995-10-01), Mowry
patent: 5767989 (1998-06-01), Sakaguchi
patent: 6043476 (2000-03-01), Tsai
patent: 6169571 (2001-01-01), Rivers et al.
patent: 6320607 (2001-11-01), Takasaki
patent: 6636646 (2003-10-01), Gindele
patent: 0017726 (1980-10-01), None
patent: 0017726 (1980-10-01), None
patent: 0820191 (1998-01-01), None
patent: 0820191 (1998-01-01), None
patent: 0830191 (1998-01-01), None
patent: 1098516 (2000-10-01), None
patent: 0820191 (2000-12-01), None
patent: 05-316399 (1993-11-01), None

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