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  2. Ray J - Wikipedia

    en.wikipedia.org/wiki/Ray_J

    Raycon Inc. In November 2017, Ray J co-founded a direct-to-consumer electronics brand called Raycon. Raycon sells wireless audio products such as earbuds and headphones. Ray J oversees brand and strategy. Personal life. In August 2016, Ray J married Princess Love at Los Angeles' Cathedral of Saint Vibiana.

  3. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Graphical depiction of active noise reduction. Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work ...

  4. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers , which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker , which emits sound into the open air for anyone ...

  5. List of aviation headset connectors - Wikipedia

    en.wikipedia.org/wiki/List_of_aviation_headset...

    The following electrical connectors are commonly used in aviation headsets: [1] U-174/U (Nexus TP-101), U-93A/U (Nexus TP-102), and Nexus TP-120, also known as US NATO, commonly used in helicopters, with a diameter of 0.281 in (7.1 mm) and length 0.761 in (19.3 mm).

  6. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  7. Reykon - Wikipedia

    en.wikipedia.org/wiki/Reykon

    Andrés Felipe Robledo Londoño (born 12 December 1986), [1] better known as Reykon " El Líder " " Pel mazo " , is a reggaeton performer from Colombia. [2] He is considered one of the biggest proponents of Latin America's reggaeton music genre. [3] He is from Envigado, Antioquia. [4]

  8. Ultrasonic impact treatment - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_impact_treatment

    Ultrasonic impact treatment (UIT) is a metallurgical processing technique, similar to work hardening, in which ultrasonic energy is applied to a metal object. This technique is part of the High Frequency Mechanical Impact (HFMI) processes.

  9. Raekwon Davis - Wikipedia

    en.wikipedia.org/wiki/Raekwon_Davis

    2.0. Player stats at PFR. Raekwon Davis (Pronounced: RAY-kwon) (born June 10, 1997) is an American football Defensive tackle [1] for the Indianapolis Colts of the National Football League (NFL). He is under contract through the end of the 2025 NFL season in a two-year deal paying him $14 million, of which $7 million is guaranteed.

  10. Transistor radio - Wikipedia

    en.wikipedia.org/wiki/Transistor_radio

    A transistor radio is a small portable radio receiver that uses transistor -based circuitry. Following the invention of the transistor in 1947—which revolutionized the field of consumer electronics by introducing small but powerful, convenient hand-held devices—the Regency TR-1 was released in 1954 becoming the first commercial transistor ...

  11. Jethro Tull (agriculturist) - Wikipedia

    en.wikipedia.org/wiki/Jethro_Tull_(agriculturist)

    Agricultural reforms and inventions, such as the seed drill and horse-drawn hoe. Jethro Tull (baptised 30 March 1674 – 21 February 1741, New Style) was an English agriculturist from Berkshire who helped to bring about the British Agricultural Revolution of the 18th century. He perfected a horse-drawn seed drill in 1701 that economically sowed ...