Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1983-05-17
1985-10-08
Morgenstern, Norman
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
84DIG19, 84 118, 250221, H01J 4014
Patent
active
045462453
ABSTRACT:
A two hand operated instrument, for controlling electronic music synthesizers, video games and computers, capable of producing two independent control voltages, in addition to the signals produced by keyboards held in each hand, such additional control voltages actuated by rotating and telescoping the concentric tubes with respect to each other. In musical applications, the finger operated voltage signals may be used to select notes and the twist and telescope signals to control musical parameters, such as volume, pitch, timbre, pulse, width, spatial location, etc.
REFERENCES:
patent: 3086122 (1963-04-01), Jones
patent: 3258601 (1966-06-01), Suleski
patent: 3358150 (1967-12-01), Summer
patent: 3539816 (1970-11-01), Chamberlin
patent: 3800059 (1974-03-01), Pavig
Cooper Ellis
Lindahl Gerald
Barbosa Joseph A.
Bell Janyce A.
Morgenstern Norman
Saffitz A. A.
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