Integrated battery compartment and hinge
US6219257A · kind A · utility
17Cited by
5References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 7, 1998 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | May 7, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a portable folding communication device comprising a top portion, a bottom portion, and a cylindrical hinge connecting the top and bottom portions. The cylindrical hinge houses an integrated battery compartment. In a preferred embodiment, the device uses a rechargeable AA lithium ion cell, which can be inserted from one end of the cylindrical hinge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.