Two part portable telephone configured to be worn about the person
US6978160B2 · kind B2 · utility
22Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2002 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Oct 27, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/3883
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A portable telephone assembly comprising first and second portions is disclosed. The first portion comprises a primary power source, is independently operable as a portable telephone and is arranged to be detachably connectable to the second portion. The second portion is arranged to be removably attachable to a user and comprises an auxiliary power source operable to supplement the primary power source when the first and second portions are connected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.