WebDenon (株式会社デノン, Kabushiki Kaisha Denon) is a Japanese electronics company started in 1910 by Frederick Whitney Horn, an American entrepreneur. Denon produced the first cylinder audio media in Japan and players to play them. Decades later, Denon was involved in the early stages of development of digital audio technology, while specializing …

WebFor example, connecting a motor to the platter of a phonograph, or the crankshaft-to-camshaft gear train of an automobile. Because it does no work itself, it is called an "idler. Friction drive. An idler-wheel may be used as part of a friction drive mechanism. For example, to connect a metal motor shaft to a metal platter without gear noise, early …

WebThomas Alva Edison (Milan, Ohio; 11 de febrero de 1847-West Orange, Nueva Jersey; 18 de octubre de 1931) fue un inventor, científico y empresario estadounidense. [1] [2] [3] Desarrolló muchos dispositivos en campos como la generación de energía eléctrica, la comunicación masiva, la grabación de sonido y las películas. [4] Estos inventos, incluyen …

WebA covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone.The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations.. Self-contained electronic covert listening devices came into common use …