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:
Oct. 24, 2000
Filed:
Dec. 19, 1997
Applicant:
Inventor:
Peter Shintani, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G / ; G08C / ; G08B / ;
U.S. Cl.
CPC ...
345169 ; 178 1804 ; 178 1809 ; 34082531 ;
Abstract
To enhance service to a user and the security and others of a computer system by managing the respective operations of plural computer terminals using a non-contact card, a user is authenticated by a communicating between the non-contact card storing the personal identification information of the user and peripheral equipment arranged in the vicinity of the user such that login to a computer is automatically executed according to the result of the authentication. By making communication with the non-contact card periodically it is determined whether the user has temporarily left his/her seat, in which case a screen saver is activated and a file is automatically stored.