Lock systems and methods
US11164408B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2018 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | Mar 1, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C2009/00801
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Lock systems are disclosed. The lock system may include a lock unit and a separate base station. The lock unit may include one or more components maintained in a powered-off and/or low-power standby state when not in use. The lock unit may include a sound receiver. The lock unit may activate power to one or more components unit after detecting a predetermined activation sound transmitted by a sound transmitter on the base station. The lock unit and base station may include wireless communicators to communicate signals and/or information between the lock unit and base station after the lock unit is powered on. To conserve power, a lock unit may power down after a predetermined action has been completed, communication of a power down signal, and/or after a predetermined time period has elapsed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.