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:
Dec. 06, 2011
Filed:
Jan. 07, 2008
Applicants:
Steve Crump, Wayland, MA (US);
Daniel M. Gauger, Jr., Cambridge, MA (US);
Robert Belanger, Franklin, MA (US);
Inventors:
Steve Crump, Wayland, MA (US);
Daniel M. Gauger, Jr., Cambridge, MA (US);
Robert Belanger, Franklin, MA (US);
Assignee:
Bose Corporation, Framingham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01); H04R 1/00 (2006.01); H04R 25/00 (2006.01); H03B 29/00 (2006.01); A61F 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power supply includes a battery source supplying power and a voltage converter circuit. The voltage converter circuit converts the power to the input voltage supplied to other circuitry. The voltage converter circuit varies the input voltage in response to a load current drawn by the other circuitry from the power supply.