Device for controlling accesses of the security chamber
US4741275A · kind A · utility
39Cited by
7References
9Claims
0Family size
Inventors
Key dates
| Filing date | Nov 26, 1984 |
| Grant date | May 3, 1988 |
| Priority date | — |
| Expiry date | Nov 26, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C9/27
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The invention relates to devices for controlling accesses of the security chamber type which comprise at least two doors (2, 3). A single program selector (14, 15) with easy and instant control allows the security chamber operating program to be chosen at will from several predetermined programs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.