Extendible and contractible wireless antenna
US6317086A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 28, 2000 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Jan 28, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/36
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Disclosed is an antenna of a wireless apparatus which comprises an antenna housing fixed on an outer upper part of the wireless apparatus main body; a feeding connector installed in a lower part of the antenna housing and electrically connected to a circuit built in the wireless apparatus main body; a helical antenna including a helical coil built in the antenna housing and electrically disconnected from the feeding connector; and a rod antenna moving up and down through the feeding connector and the helical antenna, wherein when the rod antenna is contracted into the wireless apparatus, the helical antenna is electrically connected to the feeding connector and the rod antenna is electrically disconnected from the feeding connector, and when the rod antenna is extended outside of the wireless apparatus, the rod antenna is electrically connected to the feeding connector and the helical antenna is electrically disconnected from the feeding connector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.