Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Patent
1998-02-20
2000-08-15
Le, Huyen
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Having acoustic wave modifying structure
381353, 381386, 381349, 181199, H04R 102
Patent
active
061048232
ABSTRACT:
A speaker system excellent in reproduction in bass range, which comprises a reinforcing post 3a to abut against the back side of a speaker unit 5 installed in a front cabinet 2. The reinforcing post 3a is formed integrally in a back cabinet 3, and is fixed with a cover 4. In this constitution, unwanted vibrations generated in the back cabinet 3, cover 4, and speaker unit 5 due to rear release wave b can be suppressed.
REFERENCES:
patent: 2121008 (1938-06-01), Billhuber
patent: 2852087 (1958-09-01), Ruschhaupt
patent: 3592290 (1971-07-01), Armstrong
patent: 4939783 (1990-07-01), Dunning
patent: 4953655 (1990-09-01), Furukawa
patent: 6005957 (1999-12-01), Meeks
Le Huyen
Matsushita Electric - Industrial Co., Ltd.
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