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:
Sep. 17, 2002
Filed:
Sep. 08, 1999
Applicant:
Inventors:
Kevin D. Windrem, Grass Valley, CA (US);
Robert A. Ennis Jr., Nevada City, CA (US);
Michael Krim, Waltham, MA (US);
Assignee:
Grass Valley (US), Inc., Nevada City, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/74 ; H04N 5/268 ;
U.S. Cl.
CPC ...
H04N 9/74 ; H04N 5/268 ;
Abstract
Linking keyers to background source selections is achieved by defining a key link association table between background sources and keyers for an M/E of a production switcher. Key Add and Key Drop modifiers are provided so that the effects of the key link association table may be modified while making a background source change.