batteryless
Look at other dictionaries:
Batteryless radio — Radio receivers were originally operated by battery. The term batteryless radio was initially used for the radio receivers which could be used directly by AC mains supply (mains radio).It was invented on April 8, 1925 in Canada by Edward S.… … Wikipedia
Rogers Vacuum Tube Company — (formally named Radio Manufacturing Corporation Limited) was founded as Standard Radio Manufacturing in 1925 by Edward S. Rogers, Sr. to sell Rogers Batteryless radio using vacuum tube technology. It was later renamed Rogers Majestic Corporation… … Wikipedia
CFRB — City of license Toronto, Ontario Branding Newstalk 1010 Frequency 1010 kHz (AM) 6.07 MHz (Shortwave) … Wikipedia
Battery eliminator — A battery eliminator is a device powered by an electrical source other than a battery, which then converts the source to a suitable DC voltage that may be used by a second device designed to be powered by batteries. A battery eliminator does away … Wikipedia
Edward S. Rogers, Sr. — For other uses, see: Edward Rogers (disambiguation) .Edward Samuel Ted Rogers (June 21, 1900 ndash; May 6, 1939) is regarded as the founder of Rogers Communications although it was established in 1967. He died at the age of 38. Ted Rogers first… … Wikipedia
History of radio — The pre history and early history of radio is the history of technology that produced radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio.… … Wikipedia
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
X10 (industry standard) — X10 is an international and open industry standard for communication among electronic devices used for home automation, also known as domotics . It primarily uses power line wiring for signaling and control, where the signals involve brief radio… … Wikipedia
Car audio — Car audio/video (car AV), auto radio, mobile audio, 12 volt and other terms are used to describe the sound or video system fitted in an automobile. While 12 volt audio and video systems are also used, marketed, or manufactured for marine,… … Wikipedia
Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… … Wikipedia
