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:
Apr. 29, 1997
Filed:
Mar. 13, 1995
Applicant:
Inventors:
Christopher L Reinert, Plano, TX (US);
Sudhir Sharma, Plano, TX (US);
Robert M Nally, Plano, TX (US);
John C Schafer, Wylie, TX (US);
Assignee:
Cirrus Logic, Inc., Fremont, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345154 ; 345115 ;
Abstract
A display interface device 20 is provided which includes inputs for receiving video data words, the video data words including control codes for controlling the output format of a display, and a video clock signal received from an associated video controller. A first-in/first-out memory 30 is also provided with a video data word clocked into memory 30 by the first clock and clocked out of memory 30 by a second clock generated from a clock received from an associated graphics controller.