RF communication device and method of using it and antenna construction for use in the device and method
US7202828B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2005 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Jun 23, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/04
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A device comprising a RF transmitter, a casing for the RF transmitter and, connected to and extending from the RF transmitter, an antenna for radiating RF signals produced by the RF transmitter, the antenna comprising an elongated member having a first portion and a second portion each of which comprises a first conductor, a second conductor and an insulator between the first conductor and the second conductor, and, between the first portion and the second portion, a third portion comprising a first conductor, wherein the first conductor of each of the first portion, the second portion and the third portion is a common conductor connected to the RF transmitter and wherein the second conductor of the first portion and the second conductor of the second portion are electrically isolated from one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.