Rod antenna for use in a portable transmitting / receiving apparatus
US5995051A · kind A · utility
2Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 5, 1997 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Dec 5, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/244
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention provides a rod antenna for use in a portable transmitting/receiving apparatus. The rod antenna is housed in a case of the portable transmitting/receiving apparatus so as to be freely inserted thereinto and drawn therefrom and is electrically connected to a feeder section provided in the case. The rod antenna includes an antenna element having a column formed of insulating material and a conductive film formed on an outer surface of the column along a longitudinal direction of the column so as to have a predetermined length corresponding to transmitted/received waves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.