Battery operated temperature warning sensor
US6617971B2 · kind B2 · utility
6Cited by
15References
14Claims
0Family size
Inventor
Key dates
| Filing date | Sep 26, 2001 |
| Grant date | Sep 9, 2003 |
| Priority date | — |
| Expiry date | Sep 26, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01K3/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An alarm device for signaling when an object reaches a specified temperature. The alarm device includes a thermometer for detecting the temperature of the object. The device further includes a switch element which is closed when the thermometer indicates the specified temperature. The closed switch element triggers an alarm, such as a light or a buzzer, which will signal a person monitoring the temperature that the specified temperature has been reached.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.