Patent · US Active

Interchangeable accumulator unit

US8264199B2 · kind B2 · utility

0Cited by

4References

11Claims

0Family size

Assignee

Sennheiser electronic GmbH & Co. KG · DE

Inventors

Jorg Andres · Neustadt, DE
Dirk Reymann · Sonsbeck, DE
Wolfgang Mann · Neudrossenfeld, DE

Key dates

Filing date	Mar 23, 2007
Grant date	Sep 11, 2012
Priority date	—
Expiry date	Apr 3, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Provision is made for an interchangeable accumulator unit comprising a housing (10, 20) and a lithium accumulator cell (40) arranged in the housing. Provision is further made in the housing of the accumulator unit for a charging circuit (50) for controlling the charging process of the lithium accumulator cell (40). Provision is made on the housing (10, 20) for at least one first charging contact unit (100, 200).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.