Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Reexamination Certificate
2006-03-15
2010-11-30
Ni, Suhan (Department: 2614)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Having acoustic wave modifying structure
C381S337000, C381S386000
Reexamination Certificate
active
07844067
ABSTRACT:
A universal speaker horn assembly includes a speaker horn sized and shaped to fit into a four inch deep space and connectors which are adjustable to such an extent to permit the speaker horn to be mounted to substantially any site, regardless of desired speaker position and building construction material. A grille press-fits to the front of the horn and a trim ring hides connectors from an optional trim plate to an optional back box. Speaker controls can be accessed from the rear or front of the system.
REFERENCES:
patent: 4123621 (1978-10-01), Walker
patent: 5937073 (1999-08-01), Van Gieson
patent: 2003/0035563 (2003-02-01), Chen
patent: 2005/0201571 (2005-09-01), Saint-Vincent et al.
Ditch Kevin
Garstick Jeffrey R.
Lowell John J.
Lowell Wilhelm R.
Lowell Manufacturing Company
Ni Suhan
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