Wrist watch containing tag
US6724690B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 13, 2002 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Nov 13, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07762
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
It is an object of this invention to provide a wrist watch containing an RFID tag which maintains a sense of luxury and has comparatively high sensitivity. The wrist watch containing tag of this invention comprises a watch case having a ring-shaped frame, a glass lid, and a bottom lid; a drive section which is accommodated inside the watch case; a display section for displaying time which is driven by the drive section; and an RFID tag which is accommodated inside the watch case and comprises an antenna and an IC chip; the ring-shaped frame and/or the bottom lid having at least one slit therein, and the antenna comprising a wound coil which runs along the inner face of the ring-shaped frame so as to surround the drive section. The slit is filled with a nonconductive resin, affixing the opposing cutaway planes together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.