Lockset with motion detection and ambient light sensors
US5996383A · kind A · utility
34Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1996 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Jul 31, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/8622
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An electronic module which is located between the plug cover and the front flange of the cylinder body has light and motion sensors that look out through holes in the cover. Whenever it is dark and a person approaches the lockset a light will be turned on to illuminate a translucent ring that surrounds the keyway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.