Telecine scanner

Details Telecine scanner Telecine scanner

1996-02-15

1997-10-28

Britton, Howard W.

Television

Special applications

Film, disc or card scanning

348 96, 348106, 348105, H04N 336, H04N 5253

Patent

active

056822006

ABSTRACT:
A telecine scanner having a capstan roll (3) continuously advancing the film through a picture scanning station, includes a capstan motor (2) controlled by a phase signal derived from a tachodisc (7) of a sprocket (8) driven by the film (1). To improve vertical picture steadiness, this phase signal is derived from a higher-frequency pulse signal after the capstan roll (3) has run up to speed.

REFERENCES:
patent: 4310856 (1982-01-01), Poetsch
patent: 4524392 (1985-06-01), Poetsch
patent: 4823204 (1989-04-01), Holland
patent: 4875102 (1989-10-01), Poetsch
patent: 4903131 (1990-02-01), Lingemann et al.
patent: 4994918 (1991-02-01), Lingemann
patent: 5146321 (1992-09-01), Lees et al.
patent: 5194958 (1993-03-01), Pearman et al.
patent: 5402166 (1995-03-01), Mead et al.
patent: 5430477 (1995-07-01), Bachmann et al.
patent: 5475423 (1995-12-01), Elberger

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