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.:

US 6947608 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 20, 2005

Filed:

Jan. 25, 2002
Applicant:

Hiroki Satoh, Tokyo, JP;

Inventor:

Hiroki Satoh, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K009/40 ;
U.S. Cl.
CPC ...
Abstract

According to an equalizing circuit and an equalizing method, a memory control unit receives an input of an input image data signal, a first memory stores the input image data signal after delaying it and a CPU designates at least any one of a main scan coordinate and a subscan coordinate to start equalizing of the input image data signal, a main scan size and a subscan size of the equalized block and skew values in a main scan direction and in a subscan direction of the equalized block. Then, a register setting unit holds the setting information which is designated by the CPU and an equalizing control unit performs the equalizing of the input image data signal at a certain timing independently of a skew value of the equalized block on the basis of the setting information held by the register setting unit and outputs the equalized image data signal. Thus, a second memory receives an input of the equalized image data signal from the equalizing control unit and holds it as an output image data signal and an output control unit outputs the output image data of the second memory.


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