H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 9/00 (2006.01) H04R 9/06 (2006.01) H04R 23/00 (2006.01)
Patent
CA 2340072
In the field of sound reproduction it is customary to use diaphragms excited by magnetic motors or tape electrostatic systems. All these products have important volumes being actuated to produce sound. Inversely, sound is an impact between air particles which are infinitely small in volume which provide them with high sound propagation velocity. The invention concerns a method using low level electromagnetism which relies on ambient air particles, thereby generating a novel magnetic field. Said method is characterised in that it uses an apparatus consisting of at least an electric wire winding (1) coiled on a flexible polymer support (2), with an impedance of 8 ohms. Said apparatus is coupled with an audio electric signal of an acoustic chamber or an acoustic supply. Said method and apparatus can be used on all audio, audio-visual systems and any communication mode such as telephone, radio as well as in the medical field for the auditory comfort of hard-of-hearing persons.
The invention relates to a device that improves an audio sound emitted by at least one acoustic baffle, the device delivering an electric signal to the at least one acoustic baffle, the device comprising (i) means for superimposing on the audio sound refined sound information contained in a source signal of the audio sound; and (ii) at least one coil of wire in free ambient air to which is supplied an electric signal, which is the same of the signal of the device delivers to the at least one acoustic baffle, wherein the device is adapted to provide a harmonic amplifying electro-acoustic transducer to supplement at least one of electro--acoustic baffles and a transducer.
Charbonneaux Marc
Morchain Patrice
Perrichon Claude-Annie
Piccaluga Pierre
Pica-Sound International
Smart & Biggar
LandOfFree
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