Portable object with self switching device
US9070059B2 · kind B2 · utility
4Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2009 |
| Grant date | Jun 30, 2015 |
| Priority date | — |
| Expiry date | May 30, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0705
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A portable electronic device 1 comprising a battery 14 coupled with an electronic circuit 10-12 through a switching circuit 15 for switching on or off the supply voltage Vcc to the electronic circuit using the battery. The portable device comprises at least one electromagnetic field detection circuit 13 coupled with the switching circuit 15 to start the power supply to the electronic circuit 10-12 if an electromagnetic field is detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.