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:
Jun. 11, 2002
Filed:
May. 13, 1999
Applicant:
Inventor:
Nicholas Peter Holt, Glossop, GB;
Assignee:
International Computers Limited, Putney, GB;
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/100 ;
U.S. Cl.
CPC ...
H04M 1/100 ;
Abstract
An authentication device consists of a hand-held unit having a receptacle for a smart card and an audio interface for communication with a telephone line. A challenge-and-response authentication procedure is performed between the smart card and a remote service. The device is dedicated solely to said authentication procedure and has no display.