Speaker apparatus

Details Speaker apparatus Speaker apparatus

2011-05-03

2011-05-03

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S396000, C361S690000

Reexamination Certificate

active

07936896

ABSTRACT:
According to an aspect of the invention, there is provided a speaker apparatus including: a magnetic circuit; a vibrating plate vibrated by the magnetic circuit; a speaker frame holding the magnetic circuit and the vibrating plate, and a connecting portion connecting a portion of holding the vibrating plate and a portion of holding the magnetic circuit, an inclined face of the connecting portion being inclined relative to a direction of tangential line of circumference of the speaker frame, the connecting portion configured to flow air due to a vibration of the vibrating plate along the inclined face thereof.

REFERENCES:
patent: 1948361 (1934-02-01), Sollie
patent: 5991424 (1999-11-01), Bertagni et al.
patent: 2003/0081808 (2003-05-01), Kemmerer
patent: 1549107 (2005-06-01), None
patent: 2002-218588 (2002-08-01), None
patent: 2003-299185 (2003-10-01), None
patent: 2005-191746 (2005-07-01), None
Notification of Reasons for Refusal dated May 25, 2010, issued in counterpart Japanese Application No. 2005-326983.

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