Microfilm reader and control method therefor

Details Microfilm reader and control method therefor Microfilm reader and control method therefor

1996-06-20

2000-05-02

Coles, Edward L.

Facsimile and static presentation processing

Facsimile

Reduced time or bandwidth for static image communication

358427, 358429, 358487, 358455, 358448, 348112, H04N 141, H04N 104, H04N 140, H04N 5253

Patent

active

060579412

ABSTRACT:
A microfilm reader and a control method therefor, suitable for reduction in size and enabling high-speed reading and efficient retrieval with less wear in the moving parts. The microfilm reader for reading an image recorded on a microfilm to supply an image data of the read image to a printer, comprising: a two-dimensional area sensor for reading plural images in respective frames of the microfilm to supply a first image data; a display for displaying the images continuously or intermittently by using the first image data so that an image of a target frame can be retrieved from the microfilm; a line sensor for reading the image of the target frame specified in the retrieval operation to supply the second image data of the target frame as the image data of the read image to be printed out. A line sensor capable of high-quality reading is used for the image to be printed out, whereas a two-dimensional area sensor with no mechanical moving part and capable of high-speed reading is used for the image to be displayed for reference.

REFERENCES:
patent: 4837450 (1989-06-01), Satomura et al.
patent: 5067020 (1991-11-01), Funston
patent: 5099321 (1992-03-01), Igarashi
patent: 5260810 (1993-11-01), Kanno et al.
patent: 5477343 (1995-12-01), Nodelman et al.
patent: 5692094 (1997-11-01), Tsukamoto

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