Apparatus and method for digitizing a document for selective are

Details Apparatus and method for digitizing a document for selective are Apparatus and method for digitizing a document for selective are

1989-06-13

1990-11-06

Moses, R. L.

Photocopying

Contact printing

Light boxes

355202, 355 77, 355328, G03G 1500

Patent

active

049690132

ABSTRACT:
A reproduction apparatus and method for digitizing a document original for providing selective area treatment during reproduction of the original. The method and apparatus employs a paper or transparent plastic sheet with a magnetic coating over the surface thereof. The magnetic coating is pre-recorded with a grid pattern. The sheet is placed upon a document original to be digitized and the wand is moved over the magnetic sheet until stopped at specific points of interest on the original. Pulses generated by the flux sensor in the wand are counted and comprise data defining the location of these points. The digitized document is then copied by the reproduction apparatus and the reproduction process modified to provide selective erase, accent color, selective screening, annotation, etc. The wand may also include a magnetic write head to record the digital data on the magnetic sheet. This provides a storable magentic record of the digitization process. The magnetic sheet may then be used as a "key sheet" in a document feeder to set up a copy operation with selective area treatment for the document original.

REFERENCES:
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patent: 4766404 (1988-08-01), Ishida et al.
patent: 4806976 (1989-02-01), Kato et al.
patent: 4806978 (1989-02-01), Nakatani et al.
patent: 4812875 (1989-03-01), Tanimoto
patent: 4862217 (1989-08-01), Russel
patent: 4866474 (1989-09-01), Kinoshita et al.
patent: 4887128 (1989-12-01), Jamali et al.
patent: 4903077 (1990-02-01), 355
Mini-Micro Systems, Dec. 1984, p. 19, "Printer Add-On Helps Paper Remember".

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