Automatic gate operator
US7034488B2 · kind B2 · utility
6Cited by
13References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2004 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Nov 15, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/18696
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A barrier movement operator is having a position sensor in a telescoping barrier control arm is described. A controller, remote from the arm, senses the barrier position to identify limits of barrier travel and to control rate of travel of the barrier between limits. The operator includes both optical and edge sensor obstruction detectors and is responsive to wireless communication for receiving user initiated command signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.