Deadbolt position sensor
US11313665B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Jan 3, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/132
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Embodiments described herein relate to a motorized door lock detection system. Some embodiments of the device include a sensor gear that meshes directly with the gear system of the motorized door lock. As the sensor gear rotates, it drives the rotating contact of a potentiometer, varying the voltage in a reference circuit that corresponds directly with an angular position of the thumb-drive used to drive the deadbolt. In some embodiments, a conducting member that rotates with the output shaft of the deadbolt contacts a plurality of electrical contacts positioned such that they are contacted when the deadbolt is in a position range that requires more precise position monitoring. When the conducting member is in contact with a deadbolt, power is supplied such the output from the potentiometer can be determined. In this way, power to the potentiometer and/or controller driving the potentiometer can be limited.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.