Coil for an electroacoustic transducer

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

C381S152000, C381S414000, C381S431000

Reexamination Certificate

active

07376240

ABSTRACT:
An electroacoustic transducer comprising a magnetic circuit of a magnetically conductive material with a pair of opposed surfaces defining a gap therebetween, the magnetic circuit comprising a magnet inducing a magnetic field in the gap, the magnet having a surface constituting one of the opposed surfaces. The magnetic circuit further comprises a diaphragm and a coil having electrically conducting paths secured to the diaphragm. The coil has portions of its paths situated in the gap.

REFERENCES:
patent: 1934184 (1933-11-01), Gerlach et al.
patent: 3651283 (1972-03-01), Doschek
patent: 4544805 (1985-10-01), Sawafuji
patent: 5664024 (1997-09-01), Furuta et al.
patent: 6285773 (2001-09-01), Carme et al.
patent: 2766650 (1999-01-01), None
patent: 2 106 750 (1983-04-01), None
patent: 56-137797 (1981-10-01), None
patent: 62-250622 (1987-10-01), None
patent: 57-106298 (1992-07-01), None
patent: 9-139997 (1997-05-01), None
patent: 11-205897 (1999-07-01), None
Search Report for corresponding European Patent Application No. 04076977.0 dated Jan. 24, 2008.

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

Coil for an electroacoustic transducer does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-3987372

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