Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Reexamination Certificate
2006-02-14
2006-02-14
Ni, Suhan (Department: 2646)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Mounting or support feature of housed loudspeaker
C381S182000, C381S395000, C181S145000
Reexamination Certificate
active
06999597
ABSTRACT:
A speaker stacking structure includes a speaker, the speaker having two bearing walls at two sides of the speaker cabinet thereof, a plurality of locating blocks respectively symmetrically fastened to the bearing walls of the speaker, each locating block having a plughole, and a plurality of fastening members insertable into the plugholes of the locating blocks to join two speakers in a stack.
REFERENCES:
patent: 2632055 (1953-03-01), Parker
patent: 4757544 (1988-07-01), Guy
patent: 4908601 (1990-03-01), Howze
patent: 5146508 (1992-09-01), Bader et al.
patent: 5550926 (1996-08-01), Tsao
patent: 5758852 (1998-06-01), Martin
patent: 5996728 (1999-12-01), Stark
Bacon & Thomas PLLC
Ni Suhan
Sekaku Electron Industry Co., Ltd.
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