Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1989-11-09
1992-05-12
Ng, Jin F.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358450, 358406, 358456, H04N 140
Patent
active
051132672
ABSTRACT:
Apparatus for and method of reconstructing a single document from data provided by scanning apparatus incapable of reading the entire document. A calibration sheet adapted to be disposed on the document to be scanned is used in the reconstructing apparatus. Scanning apparatus for converting a scanned portion of the document and a scanned portion of the calibration sheet into electronic outputs is used in the reconstructing apparatus. A computer processing unit is connected to the scanning apparatus to receive the electronic outputs. The computer processing unit includes storing apparatus for storing a first set of information representing a first scanned portion of the document and calibration sheet, a second set of information representing a second scanned portion of the document and calibration sheet and a third set of information representing a reconstructed single document. Also, the computer processing unit includes a converter for adjusting the first and second sets of stored information relating to the respective portions of the document scanned into alignment and spacing relative to a standard determined by the respective portions of the scanned calibration sheet and for merging the adjusted first and second sets of information to provide the third set of information.
REFERENCES:
patent: 4722008 (1988-01-01), Ibaraki et al.
patent: 4933776 (1990-06-01), Ikeda
Martin A. Agulnek, Raster Scanner Alignment Technique, vol. 5, No. 3, May/Jun. 1980, 358-406, Xerox disclosure journal.
Ng Jin F.
Popovici Dov
Post, III Harry C.
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