Loudspeaker system installed on an automobile door and including

Details Loudspeaker system installed on an automobile door and including Loudspeaker system installed on an automobile door and including

1989-05-31

1994-03-22

Chin, Tommy P.

Electrical audio signal processing systems and devices

Vehicle

381 24, 381 99, 381103, H03G 500

Patent

active

052972127

ABSTRACT:
In a mobile loudspeaker system comprising a woofer and a tweeter. A resonance circuit is inserted in the network of the woofer so that the frequency characteristic of sound pressure inside the vehicle at a middle-frequency range is substantially flat.

REFERENCES:
patent: 2308931 (1943-01-01), Penn
patent: 3457370 (1969-07-01), Boner
patent: 4015089 (1977-03-01), Ishii
patent: 4229618 (1980-10-01), Gamble
patent: 4475233 (1984-10-01), Watkins
patent: 4593405 (1986-06-01), Frye
patent: 4606071 (1986-08-01), White

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