76335107
Nov 7, 2001
Jan 28, 2003
Piezo electric fence intrusion detection security system comprising at least one Piezo electric sensor and an electronic alarm monitoring module, both of which components may be located at the fence site, or if in a remote location connected to the fence by low noise coaxial cable, both of which components are electronically connected to an electronic alarm enunciator of a low tech nature, such as a bell, phone, pager, or lights; or if of a high tech nature, such as a computerized intrusion notifier, to advise a party of a possible fence intrusion
Electrical and Scientific Apparatus