EP 0070224 B1 19851204 - SURVEILLANCE AND ALARM METHOD AND DEVICE
Title (en)
SURVEILLANCE AND ALARM METHOD AND DEVICE
Publication
Application
Priority
FR 8113927 A 19810710
Abstract (en)
[origin: US4568920A] The method and device employs detectors which are connected to electronic analyzers which, in accordance with the level of detection, actuate the corresponding level of alarm and the level of dissuasion by choosing the suitable timing and the suitable power circuit. The alarm is progressive and dissuasive so as to inform a provoker on the spot, in the region of the openings to be protected, that the system has detectors connected to an alarm center which is capable of analyzing the items of information coming from the detector or detectors and immediately actuating a specific and understandable alarm. The method and device are applicable to the supervision and protection of premises.
IPC 1-7
IPC 8 full level
G08B 13/00 (2006.01); G08B 13/02 (2006.01); G08B 13/16 (2006.01)
CPC (source: EP US)
G08B 13/00 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0070224 A1 19830119; EP 0070224 B1 19851204; AT E16861 T1 19851215; DE 3267780 D1 19860116; FR 2509495 A1 19830114; FR 2509495 B1 19850809; US 4568920 A 19860204
DOCDB simple family (application)
EP 82401247 A 19820702; AT 82401247 T 19820702; DE 3267780 T 19820702; FR 8113927 A 19810710; US 39609482 A 19820707