Film scanner

Details Film scanner Film scanner

2005-04-12

2005-04-12

Williams, Kimberly (Department: 2626)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S496000, C358S497000, C358S471000, C358S487000, C396S512000, C355S075000

Reexamination Certificate

active

06879415

ABSTRACT:
A film scanner performs a main-scan of a film by an imaging device and performs a sub-scan of the imaging device so as to enable scanning at any resolution using a simple configuration. The scanning mechanism, for the sub-scan of the film with respect to the imaging device, has a transport table for supporting the film held by a film holder and transporting it in a sub-scan direction and a transport mechanism for moving the transport table in the sub-scan direction. The source of the drive power of the transport mechanism is a scan motor (stepper motor) driven by a pulse signal output from a motor drive circuit. The motor drive circuit is configured to enable micro-stepping of the scan motor.

REFERENCES:
patent: 5565912 (1996-10-01), Easterly et al.
patent: 5933222 (1999-08-01), Hoshino et al.
patent: 6088084 (2000-07-01), Nishio
patent: 6118116 (2000-09-01), Sawada et al.
patent: 6271912 (2001-08-01), Kurosawa et al.
patent: 6533059 (2003-03-01), Lecuit
patent: 6542262 (2003-04-01), Tachibana et al.

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