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November 1925 magazine ad for battery eliminator. A battery eliminator is an adapter intended to allow a device intended for battery operation, such as a radio, to be operated from an AC outlet. [10] All radios, except crystal sets, used inconvenient and messy vacuum tube batteries until the mid- to late-1920s.
Charging a 12 V lead–acid car battery A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it.
It is fully automatic with a robust auto sensor system as standard and comes complete with an AC/DC mains adapter or alternatively with a rechargeable battery pack. In 2015, The Eliminator was rebranded as The Odorless and started a Kickstarter project. It successfully raised $33,633 of its pledged of $27,000 goal. [3]
In battery-powered equipment, a battery eliminator circuit (BEC) is an electronic voltage regulator used to power a subsystem at a different voltage without the need for a supplemental battery. BECs are commonly used in radio-controlled models , which need separate voltages to power the motor and the RC equipment.
A very successful August 1925 Philco consumer product, called the "Socket Power Battery Eliminator", was a rectifier unit which enabled users to operate radios from standard light sockets. By 1927 over a million of these units had been sold, but from that year the industry began manufacturing batteryless radios using RCA's AC tube.
William Powell Lear (June 26, 1902 – May 14, 1978) was an American inventor and businessman. He is best known for founding Learjet, a manufacturer of business jets.He also invented the battery eliminator for the B battery, and developed the car radio and the 8-track cartridge, an audio tape system. [1]
According to over 7,300 five-star Amazon reviews, the odor-eliminating candles from Dianne’s Custom Candles “actually does what it says” and kicks smells to the curb with odor-eliminating ...
1A7GT/DK32 – Pentagrid converter, re-engineered version of types 1A6 and 1D7-G, designed for use in portable AC/DC/Dry-cell battery radios introduced in 1938. Has 1.4 V/50 mA filament. 1B7-GT – Re-engineered version of types 1C6 and 1C7-G, designed for use in dry-cell battery radios with shortwave bands. Has 1.4 V/100 mA filament
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