Phase plug with optimum aperture shapes

Details Phase plug with optimum aperture shapes Phase plug with optimum aperture shapes

2006-08-22

2006-08-22

Ni, Suhan (Department: 2646)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

C381S337000, C381S339000, C381S340000, C181S177000, C181S185000, C181S187000, C181S189000, C181S192000

Reexamination Certificate

active

07095868

ABSTRACT:
A phase plug for optimally matching a drive-unit's diaphragm to the throat of a waveguide is disclosed. Specific embodiments of a circular diaphragm matched to an elliptical waveguide and a circular diaphragm to a rectangular waveguide are disclosed.

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Earl Geddes, Audio Transducers (Book) Jul. 2002, pp. 126-164, Gedlee Publishing www.Gedlee.com.

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