Security alarm systems. Technical means

This book is addressed to everyone who is interested in the problems of development, manufacturing, designing, installation and operation of funds and security alarm systems. A systematic description of most known types of detection toys are given. Estimates of the levels of physical impacts from detectable objects and from the main interference factors are given. The typical schemes for building detection tools and the main elements used in their composition are presented. The device is described and the comparative characteristics of the detection of various principles of action are described. The stated material is ordered, which allows you to use it as a reference manual. The book is of interest both for beginners and for qualified engineers and radio amateurs specializing in the field of security alarm