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:
Jun. 10, 1980
Filed:
Apr. 25, 1978
Applicant:
Inventors:
Noboru Murayama, Tokyo, JP;
Hayashi Taniguchi, Tokyo, JP;
Akira Konishi, Tokyo, JP;
Hisashi Matsuda, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ;
U.S. Cl.
CPC ...
358261 ; 3403 / ;
Abstract
Binary data is generated by a facsimile scanner or the like. A binary run length code indicating a number of successive '1' or '0' bits in the data is formed. A shift code comprising all '0' or '1' bits in a number equal to the number of the run length code is appended to the run length code only when the run length code is longer than a preceding run length code. A shorter run length code is indicated by inserting logical '0' bits in vacant high order places of the run length code so as to make the run length code equal in length to the previous run length code.