Audio-frequency electromechanical vibrator

Details Audio-frequency electromechanical vibrator Audio-frequency electromechanical vibrator

1984-10-17

1987-01-06

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having electrostatic element

128 33, 381 90, 381199, H04R 104, H04R 900

Patent

active

046352872

ABSTRACT:
An audio-frequency electromechanical vibrator having a flat hollow case with a thin cover plate, a flat ring-shaped permanent magnet axially magnetized and a flat annular drive coil unit. The magnet and the coil unit are disposed in the case coaxial with one another and with an axial space therebetween. The magnet is fixedly mounted on the bottom of the case and the coil unit is elastically supported to the case by a spring plate so that the vibrator can generate strong vibrations without noise generation corresponding to a comparatively higher frequency component in an audio signal applied to the coil unit.

REFERENCES:
patent: 2501032 (1950-03-01), Harbaugh
patent: 3185767 (1965-05-01), Olson et al.
patent: 4506379 (1985-03-01), Komatsu
Jacobs, Ed., "What's New for Your Car," Popular Science, Nov. 1979, p. 97.

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