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.
Patent No.:
Date of Patent:
Jul. 07, 1981
Filed:
Apr. 17, 1979
Applicant:
Inventors:
Assignee:
Ricoh Company, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 30 ; 427-8 ; 427-9 ; 427 10 ;
Abstract
In an electrophotographic copying machine, the copy image adjustment method for correcting copy image characteristics comprises the steps of measuring copying characteristics by use of a reference original and resetting development characteristics in accordance with the measurement results.
Tatsumi, Susumu. (1981). Copy image adjustment method (U.S. Patent No. 4277549). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4277549
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