Portable radiotelephone and radiocommunication system including such a radiotelephone
US7142826B2 · kind B2 · utility
2Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2003 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Feb 14, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/2749
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Portable radiotelephone including a central processing unit, a transmit and receive radio circuit connected to at least one antenna, a microphone emerging upwards when the radiotelephone is worn by means of a necklace, a speaker and a keypad that includes at least one multifunction key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.