Resultado de búsqueda
Joseph Lazarevich Poliakoff (Russian: Ио́сиф Ла́заревич Поляко́в; 24 April 1873 – 24 November 1959) was a Ukrainian-born British telephone and sound engineer and inventor, particularly of hearing aids.
El sistema de bucle magnético es un invento patentado por Joseph Poliakoff en 1937 en Gran Bretaña, fruto de la búsqueda de una solucción para los problemas que planteaban el uso de los audífonos.
Joseph Poliakoff was an inventor of electrical devices whose many inventions included a selenium photograph telephony shutter in 1899 (US patent 700,100, 26 August 1901), which, along with electrical sound amplification, allowed for synchronised audio on film, the radio volume control, a magnetic induction loop that allowed hearing ...
Full text. Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (254K), or click on a page image below to browse page by page.
Joseph Lazarevich Poliakoff (en ruso: Ио́сиф Ла́заревич Поляко́в; 24 de abril de 1873 - 24 de noviembre de 1959) fue un ingeniero e inventor de teléfonos y sonido británico nacido en Rusia, particularmente de audífonos.
12 de abr. de 2022 · Joseph Lazarevich Poliakoff. He moved his family to the UK, where he founded the Multitone Electronic Company in 1931. A great inventor, he patented the paging beeper and the magnetic induction loop to help hearing impaired people hear better in theatres and auditoriums, among other inventions.
30 de nov. de 2011 · The first patented magnetic induction loop communication system was invented by Joseph Poliakoff in Great Britain in 1937. The first wearable hearing aid to incorporate a telecoil and capable of using an induction coil is reported to be the Multitone VPM in 1938 (pictured left, Bauman, 2011a).
