Patent · US Expired

Integrity securing monitor and method for a security installation

US4728935A · kind A · utility

15Cited by

13References

13Claims

0Family size

Assignee

ADT Holdings, Inc. · US

Inventors

Math Pantus · Brunssum, NL
Rolf Beckers · Burscheid, DE
Jo W. Haenen · Vlodrop, NL
Jan H. Van Woezik · Helenaveen, NL

Key dates

Filing date	Apr 11, 1986
Grant date	Mar 1, 1988
Priority date	—
Expiry date	Apr 11, 2006

Classification

Technology area (CPC G)Physics
CPC primaryG08B29/04
WIPO fieldControl
WIPO sectorInstruments

Abstract

The security of fire, intrusion and other security systems is improved by the disclosed monitor and method for providing an indication of the possible degradation in the integrity of a communications link and of the operability of a security sensor, both parts of the security system, and for removing the indication only in the event of a successful simulation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.