Acoustic waveguide for controlled sound radiation

Details Acoustic waveguide for controlled sound radiation Acoustic waveguide for controlled sound radiation

2006-06-27

2006-06-27

Tran, Sinh (Department: 2646)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

C181S187000

Reexamination Certificate

active

07068805

ABSTRACT:
Acoustic waveguide contours that approximate either or both of the Elliptic Cylinder and the Prolate Spheroidal coordinate systems that allows for a more accurate prediction and control over the sound radiation polar pattern are disclosed.

REFERENCES:
patent: 4324313 (1982-04-01), Nakagawa
patent: 4469921 (1984-09-01), Kinoshita
patent: 5163167 (1992-11-01), Heil
patent: 6059069 (2000-05-01), Hughes, II
patent: 6581719 (2003-06-01), Adamson
patent: 6585077 (2003-07-01), Vincenot et al.
Geddes, Audio Transducers, Chapter 6 Aug. 2002, 6 ed Lee publishing, Novi, Mi, US.
Geddes, “Acoustic Waveguide Theory” J. Audio Eng. Soc. vol. 37 # 7/8 Jul. 1989.
Geddes, “Acoustic Waveguide Theory Revisited” J. Audio Eng. Soc., vol. 41, #6 Jun. 1993.

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