Film scanner

Photocopying – Projection printing and copying cameras – Detailed holder for original

Patent

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Details

358487, 358496, 358498, 348 96, H04N 104, H04N 146, G03B 2762

Patent

active

059332220

ABSTRACT:
Provision is made of a carrier for holding a piece film cut every after several frames and a carrier for holding a long wound film contained in a cartridge and having a motor for frame-feeding. When the carrier is loaded, the carrier is driven at a high speed by a first stepping motor and is driven to a predetermined position, to optically detect whether the carrier is for holding the piece film or for holding the long wound film. When the carrier is for holding the piece film, the carrier is driven at a high speed by the first stepping motor and is prescanned. When the carrier is for holding the long wound film, the carrier is driven by a second stepping motor and is prescanned. In the main scanning, both of the carriers are driven by the second stepping motor at a low speed, so that image is read maintaining a high resolution.

REFERENCES:
patent: 4858003 (1989-08-01), Wirt et al.
patent: 5212512 (1993-05-01), Shiota
patent: 5576836 (1996-11-01), Sano et al.
patent: 5754314 (1998-05-01), Araki et al.
patent: 5790187 (1998-08-01), Suzuki
patent: 5808757 (1998-09-01), Ikeda

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