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:
Apr. 17, 2001
Filed:
Feb. 24, 1999
Applicant:
Inventors:
William J. Kaminsky, Walnut Creek, CA (US);
Jeffrey G. Sanpore, Walnut Creek, CA (US);
David L. Daniels, Placentia, CA (US);
Mary H. Kennedy, Pleasant Hill, CA (US);
Assignee:
Cellco Partnership, Bedminster, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 1/66 ;
U.S. Cl.
CPC ...
H04M 1/66 ;
Abstract
A method and apparatus for fraud control in cellular telephone systems. The invention identifies relative fraud probabilities for call records from the cellular telephone system, associates the call records with radio frequency (RF) signatures, and identifies the radio frequency signatures as being fraudulent or valid based on the relative fraud probabilities for the associated call records.