Antitheft system and antitheft apparatus
US6094135A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1997 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Jul 24, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B15/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A antitheft apparatus for hindering theft by an intruder when the intruder is detected in an alarm mode without operator. In a smoke generation system which is coupled with an alarm system including an intruder detector for detecting an intrusion of an intruder into an monitored area and a mode setter for setting or resetting an alarm state in the monitored area, and which includes a smoke generator for generating smoke inside the monitored area, a antitheft system include smoke generation operation control means for operating the smoke generator in response to the detection signal of the intruder detector when the mode setter sets a mode of the monitored area to an alarm mode without operator, fills the monitored area with smoke, cuts off the field of vision of the intruder and prevent theft and destruction of the intruder, and when the mode setter sets the mode of the monitored area to an alarm mode with an operator inclusive of a resetting mode, this means prevents the operation of the smoke generator 60 due to the detection signal of the intruder detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.