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:
Sep. 29, 2009
Filed:
Dec. 07, 2004
Keith M. Klug, Mesa, AZ (US);
Stuart S. Kreitzer, Coral Springs, FL (US);
Fred R. Villa, Gilbert, AZ (US);
Keith M. Klug, Mesa, AZ (US);
Stuart S. Kreitzer, Coral Springs, FL (US);
Fred R. Villa, Gilbert, AZ (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
An encryption capable communication device () can include a transceiver (and) and a processor () coupled to the transceiver. The processor can be programmed to receive notification of a secure call alert indicative of a desire for secure communications between an alerting device and the encryption capable communication device serving as a recipient device and further cause the recipient device to switch () to a secure mode in response to receipt of the notification. The processor can be further programmed to initiate a key exchange () between the alerting device and the recipient device if needed and automatically respond () to the secure call alert by the recipient device in the secure mode when a user of the recipient device selectively responds to the secure call alert. The processor can also establish a symmetric traffic key during the key exchange using Automatic Public Key exchange techniques.