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:
Dec. 09, 2003
Filed:
Jul. 03, 2002
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 ;
U.S. Cl.
CPC ...
G11C 7/00 ;
Abstract
A matrix switch device comprises a semiconductor integrated circuit chip comprising a 2×2 matrix switch having two input terminals and two output terminals and an SPDT switch at a stage subsequent to the 2×2 matrix switch, the SPDT switch having two input terminals and one output terminal, wherein electrical connection is performed between one of the output terminals of the 2×2 matrix switch and one of the input terminals of the SPDT switch, and wherein the two input terminals and the other of said output terminals of the 2×2 matrix switch, and the other input terminal and the output terminal of the SPDT switch are led out of the semiconductor integrated circuit chip.