Acoustic emission intrusion detector (Engineering Materials)
Miscellaneous
·
OSTI ID:5747569
A sensitive acoustic emission device has been developed that will detect forcible entry through block or tile walls, concrete floors, or steel-reinforced concrete vault walls. A small, low-powered processor was designed to convert the output of a transducer into a relay signal for use with a supervised alarm loop. The nuisance alarm rate of the detector was extremely low during its initial eighteen months of use. Power requirements for the processor were minimized through the use of complementary metal oxide semiconductor (CMOS) amplifiers and integrated circuits.
- Research Organization:
- Oak Ridge Y-12 Plant, TN (USA)
- OSTI ID:
- 5747569
- Report Number(s):
- CAPE-2668
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
055001* -- Nuclear Fuels-- Safeguards
Inspection
& Accountability-- Technical Aspects
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
ACOUSTICS
ALARM SYSTEMS
DESIGN
DIAGRAMS
ELECTRONIC CIRCUITS
FLOORS
INTEGRATED CIRCUITS
MICROELECTRONIC CIRCUITS
MOS TRANSISTORS
PHYSICAL PROTECTION DEVICES
SEMICONDUCTOR DEVICES
SOUND WAVES
TRANSISTORS
WALLS
Inspection
& Accountability-- Technical Aspects
98 NUCLEAR DISARMAMENT, SAFEGUARDS, AND PHYSICAL PROTECTION
ACOUSTICS
ALARM SYSTEMS
DESIGN
DIAGRAMS
ELECTRONIC CIRCUITS
FLOORS
INTEGRATED CIRCUITS
MICROELECTRONIC CIRCUITS
MOS TRANSISTORS
PHYSICAL PROTECTION DEVICES
SEMICONDUCTOR DEVICES
SOUND WAVES
TRANSISTORS
WALLS