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. 12, 1997
Filed:
Jul. 13, 1995
Applicant:
Inventors:
Yoshikazu Kurose, Kanagawa, JP;
Takayuki Horikoshi, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
39518304 ;
Abstract
A circuit board unit that has a number of data processing blocks and a programmable logic array that controls the operation of the processing blocks to perform respective processing operations includes an external self-diagnosis program storage device connected through an interface unit to the programmable logic array, so that when the program storage device is connected a self-diagnosis program is fed to the programmable logic array that then causes the processing blocks to perform a self-diagnosis operation.