Loudspeaker
OwnerJan Princeton Plummerinventor
Life of this patent
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Abstract
A speaker with an embedded sound enhancement module includes a magnet, a pole piece positioned within the magnet, a sleeve surrounding the pole piece, a conductive wire coil wound around the sleeve between the magnet and the pole piece, a dust cap or diaphragm attached to a circumference of the sleeve, a speaker cone surrounding the dust cap, and an enclosed chamber having an aperture to access an internal volume of the chamber and an alternative density transmission medium (ADTM) positioned within a portion of the internal volume.
Claims20
A speaker, comprising:
- a magnet;
- a pole piece positioned within the magnet;
- a sleeve surrounding the pole piece;
- a conductive wire coil wound around the sleeve between the magnet and the pole piece;
- a dust cap or diaphragm attached to a circumference of the sleeve;
- a speaker cone surrounding the dust cap;
- and
- an enclosed chamber having an aperture to access an internal volume of the chamber and an alternative density transmission medium (ADTM) positioned within a portion of the internal volume.
The speaker of claim 10, wherein a surface area (X) of the first internal surface comprises X=√A1, wherein A1 comprises the speaker cone area.
The speaker of claim 10, wherein a surface area (X) of the first internal surface includes a range from X=√0.7A1 to X=√1.2A1.
Dependencies are inferred from the claim text.