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Covert listening device - A covert listening device, more commonly known as a bug, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, is a common technique in espionage and, increasingly, in police investigations.
Fetal stethoscope - A fetal stethoscope (also known as Pinard's stethoscope or a pinard) is a listening device used in the care of pregnancy. The instrument is shaped like a listening trumpet and is placed on the abdomen of the woman so that the midwife or doctor can find the fetal heart sounds.
Sonicaid - A sonicaid is a listening device used in the care of pregnancy. Using a highly sensitive microphone the sound of the fetal heartbeat can be amplified and monitored using a small loudspeaker.
Portable People Meter - The Portable People Meter (sometimes mistakenly "Personal People Meter") or PPM, is a device developed by Arbitron (and now jointly with Nielsen) to measure how many people are listening (or at least exposed) to individual radio stations and television stations, including cable TV. The PPM is worn like a pager, and detects hidden audio tones within a station or network's audio stream, logging each time it finds such a ...
Potomac Technology - Provides assistive listening devices, alerting systems, text telephones, signalers, and other related equipment.
Sonic Alert - Manufacturer of assistive listening devices for the deaf and hard of hearing.
HearingDepot.com - Features a wide selection of assistive listening products for the hard of hearing including amplified telephones and signaling and alerting devices.
Source: BazSites.com
Device Listening Surveillance - Device Listening Surveillance Undercover Listening Device: It's Not Eavesdropping--It's Espionage! with Book and Other Undercover Listening Device: It's ...
Device Listening Surveillance - Device Listening Surveillance Undercover Listening Device: It's Not Eavesdropping--It's Espionage! with Book and Other Undercover Listening Device: It's ...
Device Listening Surveillance - Device Listening Surveillance Undercover Listening Device: It's Not Eavesdropping--It's Espionage! with Book and Other Undercover Listening Device: It's ...
Removable Data Storage - ... 1989, Sony and Hewlett Packard defined the DDS format for data storage using DAT tape cartridges. Data storage device - In computing, a data storage device—as the name implies—is a device for storing data. It usually refers to permanent (non-volatile) storage, that is, the data will remain ...
Iso 9001 for Medical Device - Iso 9001 for Medical Device Biocompatibility: Assessment of Medical Devices and Materials by Julian H. Braybrook, The Biomaterials Science iso 9001 for medical device and Engineering Series ...
Iso 9001 for Medical Device - Iso 9001 for Medical Device Biocompatibility: Assessment of Medical Devices and Materials by Julian H. Braybrook, The Biomaterials Science iso 9001 for medical device and Engineering Series ...
Audio Surveillance Device - Audio Surveillance Device Desktop Audio Technology: Digital Audio and MIDI Principles In this thorough introduction to the technology behind audio workstations ... by which artificial sounds can be controlled and manipulated. This is followed by explanations of hardware, including storage devices, buses, computer interfaces and audio processing options. Dr Rumsey then focuses on transferring audio between systems, including ...
Analog Device - Analog Device Device Modelling for Analog and RF CMOS Circuit Design by Tor A. Fjeldly, In order to keep up ...
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