Antenna with RF energy shield for a portable cellular telephone
US6097340A · kind A · utility
9Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 22, 1998 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Apr 22, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q15/14
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An antenna having a core holding a winding assembly on the inside for receiving/transmitting radio signal, and a resin shell molded on the core, wherein a metal shield is embedded in the resin shell and covered on one half of the periphery of the core to limit the direction of radiation of the radio frequency energy from the winding assembly, and to prevent the radiation from hurting the user's brain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.