Surveillance technology

Definition
Surveillance technology includes the following:


 * 1) Electronic eavesdropping technology (audio surveillance)
 * radiating devices and receivers (e g, miniaturized transmitters)
 * nonradiating devices (e g., wired surveillance systems, Including telephone taps and concealed microphones)
 * tape recorders
 * 1) Optical/imaging technology (visual surveillance)
 * photographic techniques
 * television (closed circuit and cable)
 * night vision devices (use image intensifier to view objects under low light)
 * satellite-based
 * 1) Computers and related technologies (data surveillance)
 * microcomputers (decentralization of machines and distributed processing)
 * computer networks
 * software (e.g., expert systems)
 * pattern recognition systems
 * 1) Sensor technology
 * magnetic sensors
 * seismic sensors
 * Infrared sensors
 * strain sensors
 * electromagnetic sensors
 * 1) Other devices and technologies
 * citizen band radios
 * vehicle location systems
 * machine-readable magnetic strips
 * polygraph
 * voice stress analyzer
 * voice recognition
 * laser interception
 * cellular radio