Speaker apparatus

Details Speaker apparatus Speaker apparatus

2005-07-05

2005-07-05

Barnie, Rexford (Department: 2643)

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electromagnetic

C381S413000, C381S418000, C381S421000

Reexamination Certificate

active

06914998

ABSTRACT:
A speaker arrangement in which a diaphragm does not displace in directions other than a regular oscillating direction. The speaker arrangement includes a magnetic circuit having a magnetic gap, a voice coil located in the magnetic gap, a voice coil bobbin having the voice coil wound thereon, a diaphragm mounted on the voice coil bobbin, a hollow portion extending in a longitudinal direction of the voice coil bobbin and defined inside that portion of the magnetic circuit which is surrounded by the voice coil, an elongated rod inserted in the hollow portion of the magnetic circuit and fixed to the diaphragm, and at least one support member located at a predetermined position in the hollow portion of the magnetic circuit for movably supporting the elongated rod in the magnetic circuit hollow portion.

REFERENCES:
patent: 3310131 (1967-03-01), Ward
patent: 4284857 (1981-08-01), Slavin et al.
patent: 5625699 (1997-04-01), Yamada
patent: 5701357 (1997-12-01), Matsuo et al.
patent: 6370257 (2002-04-01), Bleim et al.

Affiliated with

Also associated with

Rating

Speaker apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Speaker apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Speaker apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3427258