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:
Sep. 11, 2012
Filed:
Mar. 23, 2007
Applicants:
Jorg Andres, Neustadt, DE;
Dirk Reymann, Hambuhren, DE;
Wolfgang Mann, Isernhagen, DE;
Inventors:
Assignee:
Sennheiser electronic GmbH & Co. KG, Wedemark, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provision is made for an interchangeable accumulator unit comprising a housing () and a lithium accumulator cell () arranged in the housing. Provision is further made in the housing of the accumulator unit for a charging circuit () for controlling the charging process of the lithium accumulator cell (). Provision is made on the housing () for at least one first charging contact unit ().