Antenna, and radio timepiece using the same, keyless entry system, and RFID system
US7511679B2 · kind B2 · utility
10Cited by
6References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2004 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Apr 13, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q7/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A magnetic sensor-type antenna comprising a magnetic core and a coil wound around the magnetic core for receiving electromagnetic waves, which is disposed in a housing such that the end portion of the magnetic core is bent away from the housing or a metal portion of the housing, and a timepiece, a keyless entry system and an RFID system each comprising such an antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.