Electroacoustical transducing

Details Electroacoustical transducing Electroacoustical transducing

1996-12-04

1998-09-15

Chan, Wing F.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381160, 381188, 381 80, 381 90, 381153, H04R 102, H04R 2500

Patent

active

058091530

ABSTRACT:
Electroacoustical transducing apparatus includes an input for receiving an audio electrical signal. A first electroacoustical transducer is constructed and arranged to radiate first sound waves in a first direction in a first frequency range in response to an audio electrical signal on the input. A second electroacoustical transducer is constructed and arranged to radiate sound energy in a second direction in a second frequency range. A third electroacoustical transducer is constructed and arranged to radiate sound energy in a third direction within the second frequency range. Intercoupling circuitry intercouples the input with the second transducer and the third transducer and is constructed and arranged to cause the second transducer and the third transducer to radiate sound energy in the second and third directions in response to an audio electrical signal on the input relatively phased with respect to energy radiated in the second frequency range by the first transducer in the second and third directions in phase opposition therewith to oppose radiation in second and third directions from the first transducer within the second frequency range, the first frequency range being greater than and embracing the second frequency range.

REFERENCES:
patent: 2301744 (1942-11-01), Olson
patent: 4051919 (1977-10-01), Buettner
patent: 4133975 (1979-01-01), Barker
patent: 4179585 (1979-12-01), Herrenschmidt
patent: 4503553 (1985-03-01), Davis
patent: 4805221 (1989-02-01), Quaas
patent: 4860363 (1989-08-01), Suzuki et al.
patent: 4882760 (1989-11-01), Yee
patent: 4885782 (1989-12-01), Eberbach
patent: 5210802 (1993-05-01), Aylward
patent: 5212732 (1993-05-01), Hipps et al.
patent: 5228085 (1993-07-01), Aylward
patent: 5309518 (1994-05-01), Ickler et al.
patent: 5448647 (1995-09-01), Koizumi
patent: 5557680 (1996-09-01), Janes
patent: 5621804 (1997-04-01), Beppu

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