Intruder alarm system

Details Intruder alarm system Intruder alarm system

1986-05-19

1988-05-03

Levy, Stewart J.

Communications: electrical

Condition responsive indicating system

Specific condition

340 65, G08B 1300

Patent

active

047423382

ABSTRACT:
An intruder alarm system of the type used to detect mechanical vibrations in a security fence or the like. Vibrations are assessed for alarm potential by detecting peak amplitudes against a dynamic vibration reference. A sufficient ratio between the two indicates an intrusion.

REFERENCES:
patent: 3719891 (1973-03-01), Lee
patent: 3879720 (1975-04-01), Dusheck, Jr.
patent: 4223304 (1980-09-01), Barowitz et al.
patent: 4306228 (1981-12-01), Meyer
patent: 4307387 (1981-12-01), Baxendale
patent: 4414541 (1983-11-01), Ho
patent: 4479113 (1984-10-01), McNeilly et al.

Affiliated with

Also associated with

Rating

Intruder alarm system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Intruder alarm system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intruder alarm system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1509296