Signal derived bias supply for electrostatic loudspeakers

Details Signal derived bias supply for electrostatic loudspeakers Signal derived bias supply for electrostatic loudspeakers

2007-01-02

2007-01-02

Pendleton, Brian T. (Department: 2644)

Electrical audio signal processing systems and devices

Circuitry combined with specific type microphone or loudspeaker

With electrostatic microphone

C381S191000, C381S120000, C330S199000

Reexamination Certificate

active

10673010

ABSTRACT:
An electrostatic loudspeaker requires a high voltage DC bias power supply to bias the stators and diaphragms of electrostatic speakers. A self biased power supply eliminates the need for an external power supply by deriving a high voltage bias from the stator AC signal voltages which have been rectified and run from a high voltage tap and/or through a voltage multiplier which has a voltage limiting means.

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patent: 5392358 (1995-02-01), Driver
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patent: 6628791 (2003-09-01), Bank et al.

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