Automatic gate and associated method for permitting or preventing access
US7617974B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2003 |
| Grant date | Nov 17, 2009 |
| Priority date | — |
| Expiry date | Mar 16, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B11/085
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Gate (1) including a vertical extended frame (2); at least one flap (3) which may be displaced between a closed position in which the flap prevents the passage of a person and an open position in which the flap permits the passage, elements for reading an access ticket, elements for controlling the displacement of the flap between the two positions, a lateral face to the frame (2), adjacent to the passage for the person provided with at least two rows of detector cells (C1-C33) cooperating with elements for preventing the opening of the flap when the cells detect an abnormal situation, one row of which extends to both sides of the flap above a line (L) situated at the mid-height of the frame and the other row is located close to the line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.