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:
Aug. 12, 2003
Filed:
Jun. 14, 2001
Applicant:
Inventors:
Clayton N. Cowgill, Vancouver, WA (US);
John Marshall, Beaverton, OR (US);
Phil Johnson, Portland, OR (US);
Michael Walters, Battleground, WA (US);
Assignee:
Digital Networks North America, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/20 ;
U.S. Cl.
CPC ...
H04B 1/20 ;
Abstract
A digital audio player has a removable and interchangeable multi-function module that has at least one operating member. The multi-function interchangeable module interoperates with the body of the digital audio player to provide a plurality of features, which include, but are not limited to, additional memory storage, radio tuner, display, Infrared transceiver and wireless transceiver.