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. 11, 2007
Filed:
May. 27, 2003
Applicant:
Christoph Kuratli, Bern, CH;
Inventor:
Christoph Kuratli, Bern, CH;
Assignee:
Bernafon AG, Bern, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A battery powered headworn communication device and a method for conversion of a battery voltage in a battery powered headworn communication device, which includes providing a voltage reduction to a fixed part of the input voltage and providing a variable reduction that ensures that a minimum voltage is maintained. Preferably, the fixed part reduction and the variable reduction are performed in parallel and the fixed voltage conversion is a ⅔ conversion of the input voltage. A fixed voltage conversion and the variable conversion can be balanced according to the actual battery voltage.