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2. Side-scan sonar - Wikipedia

   en.wikipedia.org/wiki/Side-scan_sonar

   The first commercial side-scan system was the Kelvin Hughes "Transit Sonar", a converted echo-sounder with a single-channel, pole-mounted, fan-beam transducer introduced around 1960. In 1963 Dr. Harold Edgerton, Edward Curley, and John Yules used a conical-beam 12 kHz side-scan sonar to find the sunken Vineyard Lightship in Buzzards Bay ...

3. Sonar - Wikipedia

   en.wikipedia.org/wiki/Sonar

   The counter-countermeasure was a torpedo with active sonar – a transducer was added to the torpedo nose, and the microphones were listening for its reflected periodic tone bursts. The transducers comprised identical rectangular crystal plates arranged to diamond-shaped areas in staggered rows.

4. Orthomode transducer - Wikipedia

   en.wikipedia.org/wiki/Orthomode_transducer

   An orthomode transducer (OMT) is a waveguide component that is commonly referred to as a polarisation duplexer. Orthomode is a contraction of orthogonal mode . Orthomode transducers serve either to combine or to separate two orthogonally polarized microwave signal paths. [ 1 ]

5. SFO's new sensory room helps neurodivergent travelers fight ...

   www.aol.com/sfos-sensory-room-helps-neuro...

   The San Francisco International Airport has introduced a new sensory room designed to give neurodivergent travelers some relief from flying jitters. Airports are a whirlwind of activity: long ...

6. Transducer - Wikipedia

   en.wikipedia.org/wiki/Transducer

   A transducer is a device that converts energy from one form to another. Usually a transducer converts a signal in one form of energy to a signal in another. [1] Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities (energy, force, torque, light, motion, position, etc.).

7. Sound reinforcement system - Wikipedia

   en.wikipedia.org/wiki/Sound_reinforcement_system

   A typical sound reinforcement system consists of; input transducers (e.g., microphones), which convert sound energy such as a person singing into an electric signal, signal processors which alter the signal characteristics (e.g., equalizers that adjust the bass and treble, compressors that reduce signal peaks, etc.), amplifiers, which produce a ...