The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 29, 1978

Filed:

Dec. 20, 1976
Applicant:
Inventor:

David R Spencer, Melville, NY (US);

Assignee:

Litton Systems, Inc., Melville, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358260 ; 358256 ; 3403 / ;
Abstract

A method of graphic data redundancy reduction in an optical facsimile system wherein picture elements are optically represented by a grey coded number having N digits where N is at least 5 comprising evaluating at least the first N-2 bit planes to determine whether these bit planes should be processed in high or low resolution, and arbitrarily processing the remaining at least one bit plane at low resolution.


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