Structural improvement for alert system
US7564361B2 · kind B2 · utility
2Cited by
6References
25Claims
0Family size
Inventor
Key dates
| Filing date | Jul 21, 2003 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Jan 18, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an alert system with a sensor to detect article made of metal or magnetic. When detecting any dangerous article made of metal or magnetic nearby, the sensor sends out a signal to the control panel, prompting the warning system to send out a signal or sounds to warn the user, so as to protect the user from being hurt by dangerous article made of metal or magnetic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.