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:
Aug. 18, 1992
Filed:
Mar. 28, 1990
Applicant:
Inventor:
Tomio Sasaki, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04M / ;
U.S. Cl.
CPC ...
358453 ; 358452 ;
Abstract
A method of detecting a particular area of a document where an image to be processed exists, and applicable to an image forming apparatus. Image information representative of an image printed on a document and position information representative of a marked area of the image data are detected. The image information lying in the marked area is extracted, erased, inverted as to black and white or otherwise processed on the basis of the detected image information and position information and without a mark being directly written on the document.