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:
Aug. 20, 1991
Filed:
Nov. 30, 1989
Applicant:
Inventors:
Frank Lawrence, Grass Valley, CA (US);
Raymond Blackham, Penn Valley, CA (US);
Assignee:
The Grass Valley Group Inc., Nevada City, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
36471501 ; 364736 ;
Abstract
An improved digital mixer provides means for correcting a conventional mixer output that uses the full range of a mixer control variable to satisfy desired mixer constraints. The correction is accomplished by combining the mix output with a correction signal to satisfy the equation