Point excitation placement in an audio transducer

Details Point excitation placement in an audio transducer Point excitation placement in an audio transducer

2011-07-19

2011-07-19

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Driven diverse static structure

C381S418000, C381S423000, C181S161000

Reexamination Certificate

active

07983432

ABSTRACT:
The present invention provides methods and apparatuses for an audio transducer. The audio transducer is excited by driving a paddle of a diaphragm. A plurality of node regions of a paddle is determined for the higher-order modal components, which correspond to resonance frequencies and have an order greater than one. An intersection region of at least two higher-order modal components is identified, in which an excitation point is located with the intersection region. The diaphragm of the audio transducer includes a frame, at least one hinge, and a paddle. The paddle connects to the frame by the at least one hinge and is excited by a signal source at an excitation point to produce an acoustic signal.

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Office Action in related European Application No. 07 843 049.4, dated Jul. 21, 2010, pp. 1-5.

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