Dynamic speaker equalizer

Details Dynamic speaker equalizer Dynamic speaker equalizer

1979-05-03

1982-04-27

Brown, Thomas W.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330 85, H04R 300

Patent

active

043272509

ABSTRACT:
A dynamic equalizer circuit is disclosed for the driver system of an electro-mechanical transducer such as a loudspeaker. The circuit provides an improved or leveled audio output and includes a protective arrangement which protects the transducer against damage from being overdriven. The protective arrangement includes a sensor which produces a continuous protective control signal based upon operating characteristics of the transducer such as transducer motion or temperature or fatigue.

REFERENCES:
patent: 3334184 (1967-08-01), DeKoning
patent: 3449518 (1969-06-01), Erath
patent: 3821473 (1974-06-01), Mullins
patent: 3889060 (1975-06-01), Goto et al.
patent: 3937887 (1976-02-01), Miller
patent: 4163119 (1979-07-01), Baba et al.

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