Image display apparatus and image data transfer method

Details Image display apparatus and image data transfer method Image display apparatus and image data transfer method

2004-11-19

2009-11-17

Tung, Kee M (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S629000, C348S239000, C348S589000

Reexamination Certificate

active

07619634

ABSTRACT:
An image display apparatus that prevents a transfer of data of a main image from going into wait state when two or more types of image data, which are generated by different generators, are transferred in parallel. In the image display apparatus: a first image data generating unit generates first image data, divides it into a plurality of data pieces, and intermittently outputs the data pieces which each have a predetermined size smaller than a data size of one screen; a second image data generating unit generates and outputs second image data; an image display unit displays an image represented by the first and second image data; and a transfer arbitration unit transfers the data pieces to the image display unit, and transfers part or all of the second image data to the image display unit during a period in which any of the data pieces is not transferred.

REFERENCES:
patent: 2002/0053053 (2002-05-01), Nagai et al.
patent: 2003/0160773 (2003-08-01), Higashi et al.
patent: 2003/0227460 (2003-12-01), Schinnerer
patent: 2004/0073321 (2004-04-01), Kondo
patent: 2006/0072030 (2006-04-01), Silverbrook
patent: 2000-244673 (2000-09-01), None
patent: 2000-267642 (2000-09-01), None
Machine translation of the Japanese patent document, JP 2000 267642 A, cited by applicants.
“Hardware Functional Specification; S1D13706 Embedded Memory LCD Controller,” Document No. X31B-A-001-10, issued on Jul. 28, 2005; Seiko Epson Corporation.

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