Compound sound generator

Details Compound sound generator Compound sound generator

2006-11-28

2006-11-28

Ni, Suhan (Department: 2615)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S182000, C381S349000

Reexamination Certificate

active

07142686

ABSTRACT:
A case of the information equipment is provided for setting various parts in. A speaker and receiver are provided in the frame. A first back chamber is formed in the speaker and a second back chamber is formed in the receiver. A baffle is formed on a part of the frame for dividing the inner space of the case so as to separate the first and second back chambers from each other.

REFERENCES:
patent: 3995124 (1976-11-01), Gabr
patent: 6091828 (2000-07-01), Akino et al.

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