Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Reexamination Certificate
2006-10-03
2006-10-03
Le, Huyen (Department: 2615)
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Mounting or support feature of housed loudspeaker
C381S338000, C381S345000
Reexamination Certificate
active
07116795
ABSTRACT:
In one embodiment, the present invention provides a portable speaker including a speaker driver, a first cylindrical ring coupled to the speaker driver, a base plate configured in parallel with the speaker driver, a second cylindrical ring affixed to the base plate, and one or more interposed unaffixed cylindrical rings, wherein in a first expanded state the sidewalls of adjacent rings form frictional seals and a substantially airtight rigid chamber having a height substantially equal to the sum of the sidewall heights of the cylindrical rings, and in an unexpanded state the sidewalls of the cylindrical rings are substantially parallel to one another. Embodiments of the present invention may be used in an audio system including a class-D amplifier.
REFERENCES:
patent: 3866712 (1975-02-01), Carruthers
patent: 4042778 (1977-08-01), Clinton
patent: 4356882 (1982-11-01), Allen
patent: 4501934 (1985-02-01), Wiener
patent: 4591020 (1986-05-01), Hruby, Jr.
patent: 5103927 (1992-04-01), Heavener
patent: 5450495 (1995-09-01), Goldfarb
patent: 5550926 (1996-08-01), Tsao
patent: 5664020 (1997-09-01), Goldfarb et al.
patent: 5933507 (1999-08-01), Woolley et al.
patent: 5979591 (1999-11-01), Harrison
patent: 6031925 (2000-02-01), Shteyn
patent: 6176346 (2001-01-01), Wiener
patent: 6292358 (2001-09-01), Lee et al.
patent: 6292573 (2001-09-01), Zurek et al.
patent: 6367579 (2002-04-01), Wiener
patent: D498471 (2004-11-01), Solland et al.
patent: 6813362 (2004-11-01), Bank et al.
patent: 2002/0159610 (2002-10-01), Bank et al.
patent: 2 382 256 (2003-05-01), None
Tuason Michael P
Zucker Robert D.
Fountainhead Law Group PC
Le Huyen
Walsh Chad R.
LandOfFree
Self-aligning self-sealing high-fidelity portable speaker... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Self-aligning self-sealing high-fidelity portable speaker..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Self-aligning self-sealing high-fidelity portable speaker... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3675993