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Conventional earphones have ear peace filled by sebum, so are unsuitable for the public use. The cartilage conduction transducer can be designed in a smooth and even shape (e.g., ball and disc) and can be kept in clean by wiping. In Japan, the cartilage conduction earphones have been distributed in the counters of public spaces. [22]
Headphones are also known as earphones[1] or, colloquially, cans. [2] Circumaural (around the ear) and supra-aural (over the ear) headphones use a band over the top of the head to hold the drivers in place. Another type, known as earbuds or earpieces, [1] consists of individual units that plug into the user's ear canal.
Based in Milwaukee, Wisconsin, United States, in 1991 Koss Audio & Video Electronics started producing and selling consumer electronics products as a separate company in Hazelwood, Missouri, United States. The Koss family owns more than 75% of the firm. Having only a high school education, John C. Koss worked with Lange, an engineer, to develop ...
Elize Ryd wearing in-ear monitors during a concert in 2018. In-ear monitors, or simply IEMs or in-ears, are devices used by musicians, audio engineers and audiophiles to listen to music or to hear a personal mix of vocals and stage instrumentation for live performance or recording studio mixing. They are also used by television presenters to ...
Allied Communications Publications are documents developed by the Combined Communications-Electronics Board and NATO, which define the procedures for communicating in computer messaging, radiotelephony, radiotelegraph, radioteletype (RATT), air-to-ground signalling (panel signalling), and other forms of communications used by the armed forces of the five CCEB member countries and/or NATO.
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Owner's manual. An owner's manual (also called an instruction manual or a user guide) is an instructional book or booklet that is supplied with almost all technologically advanced consumer products such as vehicles, home appliances and computer peripherals. Information contained in the owner's manual typically includes:
Print. Operating Manual For Spaceship Earth is a short book by R. Buckminster Fuller, first published in 1969, following an address with a similar title given to the 50th annual convention of the American Planners Association in the Shoreham Hotel, Washington D.C., on 16 October 1967. [1] The book relates Earth to a spaceship flying through space.