Accession Number : ADD000931

Title :   Proximity Detector and Alarm Utilizing Field Effect Transistors.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC

Personal Author(s) : Healey, Gerald F ; Nirschi, Joseph C

Report Date : 15 May 1973

Pagination or Media Count : 4

Abstract : The patent describes a proximity detector and alarm in which an antenna is connected to the gate of a metal oxide semiconductor field effect transistor (MOSFET) which causes a silicon controlled switch (SCS) to trigger a blocking oscillator.

Descriptors :   *PROXIMITY DEVICES, *WARNING SYSTEMS, *PATENTS, PERSONNEL DETECTORS, INTRUSION DETECTORS, MONITORS, FIELD EFFECT TRANSISTORS, ANTENNAS, TRANSIENTS

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE