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:
Sep. 19, 1995
Filed:
Dec. 13, 1994
Applicant:
Inventor:
Tsutomu Ichikawa, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365226 ; 365227 ; 365229 ;
Abstract
In an integrated circuit card having memory therein, an address detecting circuit and a power supply circuit are provided and the output voltage from the power supply circuits is changed based on address data and supply to a part of the memory, so as to improve the use efficiency of an internal power supply.