Intelligent door lock system retrofitted to existing door lock mechanism
US9534420B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2014 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Aug 8, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1021
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An intelligent door lock system is retrofitted to an existing door lock system that includes a door lock system with a lock and a drive shaft; and an intelligent door lock system. The intelligent door lock system includes, a position sensing device configured to be coupled to a drive shaft of a lock device, where the position sensing device senses position of the drive shaft to assist in locking and unlocking a lock of a lock device, an engine with a memory, with the engine coupled to the positioning sensing device, a circuit coupled to the engine, an energy source coupled to the circuit, and a device that converts energy into mechanical energy coupled to the circuit, positioning sensing device and the drive shaft, the device that converts energy being coupled to the energy source to receive energy from the energy source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.