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:
Feb. 06, 2001
Filed:
May. 04, 1998
Applicant:
Inventors:
Jurgen Reinold, Phoenix, AZ (US);
David Knappenberger, Tempe, AZ (US);
Mathew Cucuzella, Phoenix, AZ (US);
Jack Scott Geranen, Phoenix, AZ (US);
Jeff Lee, Phoenix, AZ (US);
Michael E. Williams, Chandler, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/14 ; H04R 3/02 ;
U.S. Cl.
CPC ...
H04L 9/14 ; H04R 3/02 ;
Abstract
An audio input interface (,) receives a digital audio signal and identifies an audio bitstream which is optionally decrypted by a decryption unit (,), and decoded by an audio decoding unit (,). An audio digital to analog converter (,) converts the decoded audio bitstream to an analog audio signal which is optionally decrypted by an audio analog decryption unit (,). An analog transmitter (,) transmits the analog audio signal to a radio (,).