Exciter for directly vibrating board and speaker apparatus...

Details Exciter for directly vibrating board and speaker apparatus... Exciter for directly vibrating board and speaker apparatus...

2011-03-15

2011-03-15

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Driven diverse static structure

C381S162000, C381S396000

Reexamination Certificate

active

07907742

ABSTRACT:
An exciter for directly vibrating a board treated for dustproofing and heat dissipation, provided with a vibrator comprised of an outer yoke, a permanent magnet, and inner yoke, having a coil fixed inserted between the outer yoke and inner yoke, and having a coupler member for coupling the exciter to the surface of the board. The coupler member and vibrator are connected by an elastic member. A closed space is formed in the exciter by providing a sealing member between the outer yoke and coupler member. A through hole is formed in the outer yoke. Due to the vibration of the vibrator at the time of coil excitation, air convection is caused through the through hole between the closed space and the outside space.

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Japan Patent Office, “Notification of Reasons for Rejection”, Jan. 5, 2010, Published in: JP.

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