Door lock system with contact sensor
US11043055B2 · kind B2 · utility
10Cited by
144References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2017 |
| Grant date | Jun 22, 2021 |
| Priority date | — |
| Expiry date | Nov 9, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2209/62
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An intelligent door lock system is coupled to a door at a dwelling. A first sensor is at the dwelling. The first sensor is coupled to a drive shaft of a lock device to assist in locking and unlocking a lock of a lock device at a door. The lock device is coupled to the first sensor and the lock device includes a bolt. An engine, an energy source and a memory are coupled together. A magnetic sensor provides a reading or measurement used to determine a door open or closed status.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.