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. 11, 1989
Filed:
Oct. 23, 1986
Applicant:
Inventors:
Richard A Jackson, Nevada City, CA (US);
David E Lake, Jr, Penn Valley, CA (US);
James E Blecksmith, Nevada City, CA (US);
Ronnie D Barnett, Nevada City, CA (US);
John Abt, Nevada City, CA (US);
Assignee:
The Grass Valley Group, Inc., Grass Valley, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
371 16 ; 371 29 ;
Abstract
A diagnostic system for a digital signal processor, having an input module, an output module and a plurality of successive processing modules defining a signal processing path, monitors various internal test points within each module. Any one of the test points may be connected to a diagnostic bus. The output of the diagnostic bus may be appropriately modified and input to the output module in lieu of the digital signal from the last processing module to provide a diagnostic display.