Structure forming an antenna also constituting a shielded housing able, in particular, to accommodate all or part of the electronic circuit of a portable unit of small volume
US6373439B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2000 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Oct 11, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/0471
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention concerns a structure forming an antenna (10) intended for a portable unit of small volume, such as a timepiece, and including a radiating element (20) of substantially rectangular shape arranged at a determined distance from a ground plane and short-circuited with this ground plane by one (20b) of its ends (20a, 20b), the opposite end (20a) of said radiating element (20) being left free. According to the present invention, said structure (10) includes a case (11) forming an integral part of said ground plane and including at least a cover (12), a bottom (14), and a lateral wall (13b) facing which is arranged said radiating element (20), said case (11) forming a shielded housing able to accommodate all or part of an electronic circuit and/or other components of the portable unit.The present invention also concerns a timepiece incorporating the aforementioned antenna structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.