Single magnetic circuit dual output speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C381S420000, C381S186000

Reexamination Certificate

active

06963651

ABSTRACT:
The present invention discloses an improved single magnetic circuit dual output speaker, comprising a support retainer with an expanded opening at its front end, a bridge disposed across the opening, a magnetic circuit wound and fixed inwardly in the middle of the bridge, a vibrating space disposed on each of both sides of the magnetic circuit, a first voice coil disposed in the vibrating space on one side of the magnetic circuit, a second voice coil disposed in the vibrating space on the other side of the magnetic circuit, a first diaphragm disposed on the expanded opening of the support retainer and having its internal diameter stuck with the first voice coil, a second diaphragm disposed on the expanded opening of the support retainer and having its internal diameter stuck with the second voice coil, and a damper disposed at the back of the support retainer and stuck with the first voice coil, such that the magnetic circuit is mounted at the front of the support retainer by the bridge to provide the dual outputs of high and low pitches by a single body structure, and the bridge can be used to facilitate its holding during assembling and maintenance.

REFERENCES:
patent: 3796839 (1974-03-01), Torn
patent: 4590333 (1986-05-01), Strohbeen
patent: 4811406 (1989-03-01), Kawachi
patent: 4965837 (1990-10-01), Murayama et al.
patent: 5548657 (1996-08-01), Fincham
patent: 6269168 (2001-07-01), Tagami
patent: 6647124 (2003-11-01), Peng
patent: 6744895 (2004-06-01), Miyamoto et al.
patent: 6801635 (2004-10-01), Minami et al.
patent: 2003/0206641 (2003-11-01), Peng
patent: 2004/0047487 (2004-03-01), Popken et al.
patent: 2005/0069166 (2005-03-01), Peng

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Single magnetic circuit dual output 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 Single magnetic circuit dual output speaker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Single magnetic circuit dual output speaker will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3496068

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.