Method and apparatus for transmitting information using arc

Details Method and apparatus for transmitting information using arc Method and apparatus for transmitting information using arc

1990-08-08

1993-06-15

Mis, David

Electric lamp and discharge devices: systems

Discharge device load with fluent material supply to the...

315 76, 315358, 381111, 381167, H05B 4144, H04R 300

Patent

active

052202461

ABSTRACT:
An information transmission method using arc and apparatus thereof are applied to a loudspeaker and the like having the function of illumination. The information transmission method is characterized in that arc current supplied to an arc generating device is modulated by a signal based on information to vibrate arc column so that at least one of audible waves, ultrasonic waves and arc light is employed to transmit the information. Arc having small mechanical inertia is employed as a sound producing device and accordingly can be used as a loudspeaker having a good frequency characteristic and large output. It can be used as a sound producing device having the function of illumination by utilizing strong light emitted from arc column.

REFERENCES:
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Franz J. Fransson and Erik V. Jansson: The STL-Ionophone: Transducer Properties and Construction J. Acoust. Soc. Am. vol. 58, No. 4, Oct. 1975.
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Technical Poper: Un Hairt-Parleur Large Bondi a Plasama Froid, Nouvelle Revue de Son (No. 55-1982 Fra).
F. Bastien: Accoustics and Gas Discharges: applications to Loudspeakers. J. Phys. D: Appl. Phys. 20 (1987) 1547-1557.
Technical Paper: Haut-Parleur Large Bande A Plasma Froid, Nouvelle Revue de Son (No. 59-1982 FRA).
Article: "Investigation of a Plasma Loundspeacker" 1986 IEEE Michael S. Mazzola and G. Marshall Molen, Old Dominion Uni. Norfolk, Va.
Article: "Modeling of a dc Glow Plasma Loudspeaker", 1987 Acoustical Soc. of America Michael S. Mazzola and G. Marshall Molen, Old Dominon Uni, Norfolk, Va.
F. Bastien: Acoustics and Gas Discharges: Applications to Loundspeakers. J. Phys. D: Appl. Phys. 20 (1987) 1547-1557.
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