MICRO-SPEAKER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 5, 2012
app pub date -
Jul 25, 2011
filing date -
Dec 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A micro-speaker is disclosed. The micro-speaker includes a frame defining a hollow space, a diaphragm attached to the frame, a voice coil positioned on the diaphragm, a cover covering the diaphragm and attached to the frame forming a housing, a yoke received in the hollow space and attached to the frame, a magnet received in the yoke, and a pole plate attached on the magnet. The yoke includes a bottom wall, and two ends of the base wall are provided with a groove corresponding to the magnetic gap, respectively. A width of the groove is greater than that of the thickness of the voice coil.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully