Voltage biased capacitor circuit for a loudspeaker

Details Voltage biased capacitor circuit for a loudspeaker Voltage biased capacitor circuit for a loudspeaker

2004-11-01

2008-10-28

Chin, Vivian (Department: 2615)

Electrical audio signal processing systems and devices

Circuitry combined with specific type microphone or loudspeaker

C381S055000, C381S116000

Reexamination Certificate

active

07443990

ABSTRACT:
A voltage biased capacitor circuit (10) for a loudspeaker (14′) includes at least two audio circuit capacitors (32A,32B) wired in series either on one of an audio connector or between audio connectors (16A′,16B′). A direct current voltage source (34) is wired in electrical communication with the audio circuit capacitors (32A,32B) for transmitting through direct current voltage connectors (36A,36B) a direct current to provide a bias voltage to the audio circuit capacitors (32A,32B). At least one resistor (37) is secured between the audio circuit capacitors (32A,32B) and the voltage source (34), to prevent dissipation of an audio signal through the resistor (37) and direct current voltage connectors (36A,36B). A voltage source capacitor (40) is also wired between the voltage source (34) and the audio connectors (16A′16B′) to stabilize the direct current transmitted to the capacitors (32A,32B).

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