This_day_in_history_ - Tokyo Telecommunications Engineering (Tokyo Tsuskin Kogyo) released Japan's first transistor radio, TR-55, Sold under it's new brand name 'Sony' . The name was derived by combining the latin word for
![Obsolete Sony on X: "In 1955, Sony engineers started working on a transistor radio that would use their own transistors instead of those produced by other companies. After many prototypes and revisions, Obsolete Sony on X: "In 1955, Sony engineers started working on a transistor radio that would use their own transistors instead of those produced by other companies. After many prototypes and revisions,](https://pbs.twimg.com/media/F3iePubWAAAVyxa.jpg)
Obsolete Sony on X: "In 1955, Sony engineers started working on a transistor radio that would use their own transistors instead of those produced by other companies. After many prototypes and revisions,
![Tokyo, Japan. 12th Nov, 2016. Japan's electronics giant Sony displays the company's transistor radio recerver "TR-55" produced in 1955 at the company's retrospective exhibition "It's a Sony exhibition" at the Sony building Tokyo, Japan. 12th Nov, 2016. Japan's electronics giant Sony displays the company's transistor radio recerver "TR-55" produced in 1955 at the company's retrospective exhibition "It's a Sony exhibition" at the Sony building](https://c8.alamy.com/comp/H8GNDM/tokyo-japan-12th-nov-2016-japans-electronics-giant-sony-displays-the-H8GNDM.jpg)
Tokyo, Japan. 12th Nov, 2016. Japan's electronics giant Sony displays the company's transistor radio recerver "TR-55" produced in 1955 at the company's retrospective exhibition "It's a Sony exhibition" at the Sony building
![Tokyo, Japan. 12th Nov, 2016. Japan's electronics giant Sony displays the company's transistor radio receiver "TR-55" produced in 1955 at the company's retrospective exhibition "It's a Sony exhibition" at the Sony building Tokyo, Japan. 12th Nov, 2016. Japan's electronics giant Sony displays the company's transistor radio receiver "TR-55" produced in 1955 at the company's retrospective exhibition "It's a Sony exhibition" at the Sony building](https://c8.alamy.com/comp/H8GNDP/tokyo-japan-12th-nov-2016-japans-electronics-giant-sony-displays-the-H8GNDP.jpg)