Example image of eyePlorer eyePlorer map for 'Transistor radio': Transistor Radio (album) Receiver (radio) Transistor Bell Labs Sony Texas Instruments Düsseldorf Transistor radio Indianapolis Regency TR-1 Raytheon Zenith Electronics RCA 1955 TR-55 Vacuum tube Nine-volt battery Walkman Portable communications device Shortwave Battery (electricity) Integrated circuit Digital audio player Tuner (radio) 1954 October 18 Milwaukee School of Engineering 1977 in video gaming Longines Symphonette VEF Spidola Handheld television Transistor Radio (song) Duke Special Consumer electronics in Japan Joseph H. Rush Copperhead (DC Comics) Lazlo Bane Jerry McGeorge SDI Technologies Zinc-carbon battery D. A. Blyler Gary S. Paxton Joseph H. Cohen Samuel N. Cohen You Can't Do That on Television Acid rock Morley Cohen Radio Hat FM3 TRS connector