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.

Date of Patent:
Jan. 10, 2017

Filed:

Mar. 05, 2013
Applicant:

Megachips Corporation, Osaka-shi, JP;

Inventor:

Kazuma Takahashi, Osaka, JP;

Assignee:

MegaChips Corporation, Osaka-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/217 (2011.01); H04N 5/357 (2011.01);
U.S. Cl.
CPC ...
H04N 5/2173 (2013.01); H04N 5/3572 (2013.01);
Abstract

A data transfer apparatus includes a cache memory having a storing portion for writing and reading data at a higher speed than an image data storing portion which stores image data GD of an input image, and data transfer request means for outputting, to the cache memory, a transfer request for image data in a certain region of the input image. The cache memory reads unstored image data from the image data storing portion beyond a reading region corresponding to a transfer request every pixel row if image data in a pixel row included in the reading region is not stored in the storing portion of the cache memory. Moreover, the data transfer request means sequentially gives, in arrangement order in a horizontal direction of an input image, a transfer request for image data in each of reading regions arranged in the horizontal direction.


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