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:
Mar. 10, 2009
Filed:
Jul. 19, 2001
Applicants:
Reinhard Becher, München, DE;
Markus Dillinger, München, DE;
Inventors:
Reinhard Becher, München, DE;
Markus Dillinger, München, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method provides a program module in a communications system. The program module is accommodated by a server, the program module is transmitted to a subscriber terminal, a test criterion is calculated each time inside a security device and in the subscriber terminal by using the program module and an individual key. By comparing the test criterion, it is determined whether the program module has been defectively received by the subscriber terminal.