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:
Mar. 21, 2000
Filed:
Oct. 22, 1997
Applicant:
Inventors:
Masayuki Arai, Tokyo, JP;
Seiji Kobayashi, Kanagawa, JP;
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361780 ; 361748 ; 361760 ; 361777 ; 361794 ; 174255 ; 174261 ; 174262 ; 257723 ;
Abstract
A circuit board including a general-purpose region for mounting a general-purpose electrical part, and a programmable region for mounting a programmable digital electrical part, the general-purpose region and the programmable region being provided on the same board. The circuit board may comprise at least four layers of a first wiring pattern layer, a second wiring pattern layer, a power source layer provided between the first and second wiring pattern layers, and a ground layer provided between the first and second wiring pattern layer.