Loudspeaker with commutated coil drive


Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0


H04R 904




An improvement is provided in a loudspeaker having a current carrying coil disposed in the flux gap of a permanent magnet and carrying current to drive the coil and an associated sound diaphragm. The coil is substantially longer than the thickness of the flux gap and has an exposed conductive surface. Contacts are mounted near each side of the flux gap and slidably engage the coil surface to supply current to a limited portion of the coil situated in the flux gap, irrespective of movement of the coil.

patent: 4160133 (1979-07-01), Wiik
patent: 4327257 (1982-04-01), Schwartz


Say what you really think

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


Loudspeaker with commutated coil drive does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now


Profile ID: LFUS-PAI-O-635565

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