Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2007-12-11
2007-12-11
Kim, Paul D. (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S592100, C029S602100, C029S609100, C156S073100, C156S250000, C156S267000, C156S292000, C156S293000, C381S113000, C381S116000, C381S174000, C381S191000, C381S182000
Reexamination Certificate
active
10781128
ABSTRACT:
A loudspeaker and method of assembly according to this invention provides for precise alignment between the frame and motor structure before they are connected to one another, and employs a fixture to form the moving assembly of the speaker, i.e. the voice coil, upper and lower suspensions and diaphragm, outside of the frame so that concentric tolerance stack-up is minimized. The moving assembly, once formed, is mounted as a unit to the frame and motor structure to facilitate assembly and repair of the speaker.
REFERENCES:
patent: 4336425 (1982-06-01), Renkus
patent: 4472604 (1984-09-01), Nakamura et al.
patent: 6219431 (2001-04-01), Proni
patent: 6757402 (2004-06-01), Chan
patent: 7025170 (2006-04-01), Lin
patent: 355138996 (1980-10-01), None
patent: 357197999 (1982-12-01), None
“Microengineered systems for the hearing impaired”; Birch, T.S.; Harradine, M.A.; Stevens, J.C.; Medical Applications of Microengineering, IEE Colloquium on Jan. 31, 1996; pp. 2/1-2/5.
Gray-Robinson, PA
JL Audio, Inc.
Kim Paul D.
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