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, 2012
Filed:
Jun. 25, 2007
Martin Fischer, Pfedelbach, DE;
Ulrich Friedrich, Ellhofen, DE;
Jens Masuch, Heilbronn, DE;
Michael Pangels, Ludwigsburg, DE;
Dirk Ziebertz, Eberstadt, DE;
Martin Fischer, Pfedelbach, DE;
Ulrich Friedrich, Ellhofen, DE;
Jens Masuch, Heilbronn, DE;
Michael Pangels, Ludwigsburg, DE;
Dirk Ziebertz, Eberstadt, DE;
Atmel Corporation, San Jose, CA (US);
Abstract
A method for wireless data transmission between a base station and a transponder is provided, whereby a message, comprising at least one command and one data sequence, is transmitted by the base station, the message is received and evaluated by the transponder, at least one key is provided in the transponder after receipt of the command and before complete receipt of the message and the key is transmitted to the base station, the key is detected by the base station, and parts of the message, still to be transmitted, and/or subsequent messages are encoded by the base station with the key.