Door sensor system for detecting a target object
US7446862B2 · kind B2 · utility
5Cited by
18References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 6, 2007 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Aug 6, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A door sensor system (90) for detecting a target object (56) in and/or near a door comprising a door opening (96), and at least one movable door element (76, 76-1, 76-2, 76-3, 76-4), the system comprising at least one light scanner device (10) which is capable of measuring optically the distance to a target to make such a measurement over a given scan angle at regular intervals by deflecting the light with moving mirrors, and which generates at least one vertical plane of detection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.