Phone monitoring appliance
US6931236B2 · kind B2 · utility
18Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 2001 |
| Grant date | Aug 16, 2005 |
| Priority date | — |
| Expiry date | Oct 1, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/724
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Briefly, the mobile phone as a monitoring appliance allows a mobile phone to function as a remote-monitoring device. The mobile phone is turned on and left in the place to be monitored. After the mobile phone has a positive sound volume level comparison or a positive sound volume level comparison and a positive comparison to a target sound, the mobile phone places a telephone call to a predetermined telephone number and transmits the sound received by the microphone in the mobile phone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.