Hidden antenna device of a mobile phone
US6266020A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2000 |
| Grant date | Jul 24, 2001 |
| Priority date | — |
| Expiry date | Jul 24, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q1/243
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A hidden antenna device of a mobile phone, the mobile phone is comprised of an upper cover and a lower cover, a main electric circuit board is provided in the interior space formed by the two members. The lower cover has an antenna circuit printed at a suitable position on the inner bottom surface of the lower cover; the antenna circuit has a protruding end connecting point. A main electric circuit board in the body of the phone has on the rear surface thereof another connecting point in opposition to the aforesaid end connecting point. A ceramic layer and a matching electric circuit board layer having a desired frequency are provided between the antenna circuit and the main electric circuit board, so that when the upper cover and the lower cover are assembled, the connecting points connect with each other to form the antenna device which has no any exposed member to the exterior of the mobile phone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.