Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-08-29
1976-02-24
Tomsky, Stephen J.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
84 113, 84 126, 307261, 307263, G10H 102, H03K 1726
Patent
active
039406350
ABSTRACT:
A Zimbelstern system or sequential bell ringing system in which a sequential counter actuates a set of self-damping circuits in a predetermined repeating sequence, the self-damping circuits each enabling a different set of sinusoidal tone sources in such relative amplitudes and with such relative rise and decay envelopes as to simulate the sounds of sequentially sounding bells when electro-acoustically reproduced.
REFERENCES:
patent: 3247306 (1966-04-01), Milho
patent: 3383453 (1968-05-01), Sharp
patent: 3417189 (1968-12-01), Kramer, Jr.
patent: 3636801 (1972-01-01), Ickikawa
patent: 3816636 (1974-06-01), Peltz
patent: 3825668 (1974-07-01), Okamoto
patent: 3848142 (1974-11-01), Adachi
D. H. Baldwin & Company
Hurvitz Hyman
Tomsky Stephen J.
Witkowski Stanley J.
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