High frequency loudspeaker

Details High frequency loudspeaker High frequency loudspeaker

2005-05-03

2005-05-03

Le, Huyen (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Plural or compound reproducers

C181S171000, C181S172000, C181S173000, C381S431000, C381S425000, C381S395000, C381S398000, C381S423000

Reexamination Certificate

active

06888946

ABSTRACT:
A tweeter with a light, thin sandwich plate which can be excited into multiple reflected bending waves, and a driver which makes a vibrating contact and excites the sandwich plate, where the driver is designed for higher sound frequencies and the sandwich plate for propagating bending waves with low damping. The sandwich plate is freely carried with low damping by holding elements, where the latter are designed to be low damping at higher sound frequencies.

REFERENCES:
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patent: 4300655 (1981-11-01), Sakamoto et al.
patent: 6151402 (2000-11-01), Azima
patent: 6188775 (2001-02-01), Azima et al.
patent: 6275598 (2001-08-01), Bachmann et al.
patent: 6327329 (2001-12-01), Bromberg et al.
patent: 6442282 (2002-08-01), Azima et al.
patent: 6519349 (2003-02-01), Azima et al.
patent: 0 924 959 (1998-12-01), None
patent: WO 9709842 (1997-03-01), None

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