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2. Batteryless radio - Wikipedia

   en.wikipedia.org/wiki/Batteryless_radio

   Other ways of achieving the same function are clockwork radio, hand crank radio and solar radio, especially for the Royal Flying Doctor Service and School of the Air. [5] [citation needed] As part of an energy harvesting electronics system, some batteryless radios render electricity to storage by means of storage capacitors.

3. TR-55 - Wikipedia

   en.wikipedia.org/wiki/TR-55

   When the TR-55 was released in Japan in August 1955, [3] it was the first transistor radio marketed in that country. The TR-55 featured the Sony name, but the company did not officially change its name to Sony until January 1958. [4] In the autumn of 1955, Morita met with a representative of the Bulova watch company in New York City. Bulova ...

4. SRF-39 - Wikipedia

   en.wikipedia.org/wiki/SRF-39

   The SRF-39 is a portable AM/FM radio introduced in approximately 1992 by Sony. [1] It uses a single AA battery, as its analog electronics require very little voltage. It was one of the first radios to use the CXA1129 30-pin integrated circuit, which later was responsible for the SRF-39's sensitive and selective performance.

5. NOAA Weather Radio - Wikipedia

   en.wikipedia.org/wiki/NOAA_Weather_Radio

   NOAA Weather Radio (NWR), also known as NOAA Weather Radio All Hazards, is an automated 24-hour network of VHF FM weather radio stations in the United States which broadcast weather information directly from a nearby National Weather Service office. Its routine programming cycle includes local or regional weather forecasts, synopsis, climate ...

6. Human power - Wikipedia

   en.wikipedia.org/wiki/Human_power

   The original Baygen clockwork radio with crank in winding position. A windup radio or clockwork radio is a radio that is powered by human muscle power rather than batteries or the electrical grid. In the most common arrangement, an internal electric generator is run by a mainspring, which is wound by a hand crank on the case. Turning the crank ...

7. SCR-284 - Wikipedia

   en.wikipedia.org/wiki/SCR-284

   The Crosley Corporation of Cincinnati, Ohio manufactured the Signal Corps Set, Complete, Radio, 284 (SCR-284) that consists of the Basic Component 654 (BC-654) and associated support equipment. [ 4 ] The SCR-284 was introduced in Africa during Operation Torch and was the first radio set used for communications from the beach to the U.S. Fleet ...