Rockin’ Patent – Raymond Scott’s “Keyboard Operated Electrical Musical Instrument”
Rockin’ Patent: US Patent No. 2,871,745 Filed: 20 December 1956 In the name of: Raymond Scott (inventor) Title: Keyboard Operated Electrical Musical Instrument What’s claimed: “A musical instrument comprising loudspeaker means for emitting an audible note, an oscillator of controllable frequency connected to energize said loudspeaker means for producing said note, said oscillator comprising a terminal for controlling the frequency of oscillation of said oscillator by variation of the capacitance to ground of said terminal, a fixed control electrode connected to said terminal, a movable grounded electrode cooperating with said control electrode for varying the pitch of said note by changes […]
