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. 22, 2014
Filed:
Jan. 05, 2009
Applicant:
Michael D. Ellis, Boulder, CO (US);
Inventor:
Michael D. Ellis, Boulder, CO (US);
Assignee:
3D Radio LLC, Boulder, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04H 20/71 (2008.01); H04B 1/18 (2006.01); H04H 60/27 (2008.01); H04H 60/35 (2008.01); H04H 60/74 (2008.01);
U.S. Cl.
CPC ...
H04H 60/27 (2013.01); H04H 60/35 (2013.01); H04H 60/74 (2013.01);
Abstract
A system, apparatus, method, and media directed to navigation in the field of digital radio systems are provided. For example, an apparatus, method, or medium can be implemented to provide a multi-tuner portable digital radio device that includes multiple modes and/or advances navigation tools.