Phasing plug for a compression driver

Details Phasing plug for a compression driver Phasing plug for a compression driver

2005-12-22

2011-10-11

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Having acoustic wave modifying structure

C381S340000

Reexamination Certificate

active

08036408

ABSTRACT:
A phasing plug for a compression driver includes a base portion and a hub portion. The base portion includes a first side, a second side, and a plurality of apertures extending between the first and second sides. The hub portion extends from the base portion along an axis. The hub portion includes an outer surface and a plurality of ribs disposed on the outer surface. A plurality of recesses are defined by the outer surface and respective pairs of adjacent ribs. At least one aperture fluidly communicates with at least one of the recesses.

REFERENCES:
patent: 4325456 (1982-04-01), Ureda
patent: 4525604 (1985-06-01), Frye
patent: 6064745 (2000-05-01), Avera
patent: 2005/0105753 (2005-05-01), Manzini et al.

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