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:
Oct. 11, 2005
Filed:
Mar. 08, 2004
Applicant:
Kinya Osa, Tokyo, JP;
Inventor:
Kinya Osa, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M007/00 ;
U.S. Cl.
CPC ...
Abstract
A data compression method for executing encode commands for PackBits compression by a processor. The encode commands include a first command to obtain an encode processing state of the PackBits compression and control output of a control code (+1, −2 etc.) based on the encode processing state, a second command to control output of input data (A to F) based on the encode processing state, and a third command to control output of a control command upon completion of the PackBits compression. In this arrangement, the PackBits encode processing can be performed at a high speed by the processor.