Miniature wireless alarm device
US10210744B2 · kind B2 · utility
1Cited by
17References
9Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 4, 2016 |
| Grant date | Feb 19, 2019 |
| Priority date | — |
| Expiry date | May 4, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/009
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An alarm device comprises an RFID circuit that is configured to store identification information and is coupled to an antenna designed to receive and to emit, from and to an RFID reader, signals at the frequency of the RFID reader, and a switch coupled to the antenna and able to be activated by a user, enabling the antenna to be matched to the frequency of the RFID reader. The alarm device comprises the RFID circuit, the antenna and the switch designed to be incorporated into an object worn by a user, and enable the alarm to be activated discreetly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.