Body sense speaker

Details Body sense speaker Body sense speaker

1992-05-14

1994-06-14

Kuntz, Curtis

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

381192, 381200, H04R 2500

Patent

active

053217632

ABSTRACT:
A body speaker comprising a casing having an upper part and a lower part; the upper part has a central circular aperture closed by a cap, a thin magnetic disk with a small diameter centrally attached on the inside of the cap, a tubular member fixed around the central circular aperture of the upper part, a solenoid coil wound around the tubular member. An oscillation body is disposed between the upper and lower parts for oscillating in response to variation of the magnetic field of the solenoid coil. Gaps are provided in an assembled configuration of the upper and lower parts, between the upper and lower surfaces of the oscillation body and the inside surfaces of the upper and lower parts of the casing when the oscillation body is fixed on the inside wall of the casing by means of an oscillation ring, so that the oscillation body may freely oscillate upwards and downwards in response to variation of the magnetic field of the solenoid coil conducting current.

REFERENCES:
patent: 4354087 (1982-10-01), Osterlitz
patent: 4565905 (1986-01-01), Nation
patent: 4843628 (1989-06-01), Hofer
patent: 4967871 (1990-11-01), Komatsubara
patent: 5125033 (1992-06-01), Lee

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