Single sensor door/window state detector
US9933243B2 · kind B2 · utility
6Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2012 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Jul 24, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B7/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A security apparatus is described for determining a condition of a door or window. In one embodiment the apparatus comprises a sensor for measuring an attribute that varies as a first door or window condition is achieved and as a second door or window condition is achieved, and for generating signals indicative of the attribute, and a processor coupled to the sensor for determining the first door or window condition and the second door or window condition based on the signals from the sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.