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:
Feb. 23, 2010
Filed:
Dec. 23, 2003
Giovanni M. Agnoli, San Mateo, CA (US);
Andrew Yanowitz, Ben Lomond, CA (US);
John O. Abt, Grass Valley, CA (US);
Samuel R. Bowman, Colfax, CA (US);
James A. Delwiche, Grass Valley, CA (US);
Jeffrey C. Dillon, Auburn, CA (US);
Giovanni M. Agnoli, San Mateo, CA (US);
Andrew Yanowitz, Ben Lomond, CA (US);
John O. Abt, Grass Valley, CA (US);
Samuel R. Bowman, Colfax, CA (US);
James A. Delwiche, Grass Valley, CA (US);
Jeffrey C. Dillon, Auburn, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A method of controlling transmission of data from a computer to a video client via an interface device, comprising: reading a register on the interface device to obtain a value indicating temporal proximity to an occurrence of a vertical blanking interval occurs, the value increased incrementally until a vertical blanking interval occurs, and then being reset; deriving a time value, the time value indicating the occurrence of a vertical blanking interval; sending an interrupt to a processor on the computer at the occurrence of the vertical blanking interval; and invoking code in response to an occurrence of the video blanking interval.