Sound reproducing system with Hall effect motional feedback

Details Sound reproducing system with Hall effect motional feedback Sound reproducing system with Hall effect motional feedback

1986-10-24

1989-04-11

Isen, Forester W.

Electrical audio signal processing systems and devices

Loudspeaker feedback

381 59, H04R 300

Patent

active

048213284

ABSTRACT:
A sound reproducing system with motional feedback utilizes a Hall generator, mechanically driven by the sound generating member of the system and disposed in an inhomogenous magnetic field, as a source of the feedback signal. It is a feature of the present invention that the feedback signal closely follows the movements of the sound generating member irrespective of the acoustic frequency.

REFERENCES:
patent: 3636767 (1972-01-01), Duffy
patent: 3845444 (1974-10-01), Masuda et al.
patent: 3997739 (1976-12-01), Kishikawa et al.
patent: 4163119 (1979-07-01), Baba et al.
patent: 4176305 (1979-11-01), Cuno
patent: 4480155 (1984-10-01), Winey
patent: 4550430 (1985-10-01), Meyers
patent: 4598178 (1986-07-01), Rollins
patent: 4609784 (1986-09-01), Miller

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