Loudspeaker sound modulation appliance

Details Loudspeaker sound modulation appliance Loudspeaker sound modulation appliance

2006-08-01

2006-08-01

Le, Huyen (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Detail of mechanical vibration coupling to transducer

C381S165000

Reexamination Certificate

active

07085392

ABSTRACT:
In combination with a loudspeaker assembly that includes a speaker diaphragm that is displaced to produce sound, the combination comprising a spinner element mounted to rotate in the path of sound waves produced by the speaker diaphragm; and a rotary drive for rotating the spinner, the spinner defining sound wave passing through openings, in said path.

REFERENCES:
patent: 3174579 (1965-03-01), Leslie
patent: 3315760 (1967-04-01), Schwendener
patent: 3902015 (1975-08-01), Edwards et al.
patent: 4253368 (1981-03-01), Leslie et al.
patent: 4817163 (1989-03-01), Stastny

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