Patent · US Active

Rechargeable battery unit and portable electronic appliance

US9184474B2 · kind B2 · utility

0Cited by

5References

10Claims

0Family size

Assignee

Sennheiser electronic GmbH & Co. KG · DE

Inventors

Dirk Reymann · Sonsbeck, DE
Elmar Schulze · Berlin, DE
Niels Christian Steen Hansen · Frederikssund, DK
Dirk Krätzer · Hannover, DE

Key dates

Filing date	Nov 20, 2009
Grant date	Nov 10, 2015
Priority date	—
Expiry date	Aug 22, 2031

Classification

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

Abstract

There is provided an accumulator unit for insertion into a portable electronic device. The accumulator unit has an integrated charging unit and a charging port. The charging port is freely accessible in the inserted and non-inserted condition of the accumulator unit.

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