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US 9,807,511 B2Granted
Speaker with a coil stabilizer and method for manufacturing the same
AssigneeSound Solutions International Co., Ltd.
InventorsMichael Schoeffmann, Christian Haas, Helmut Wasinger
Life of this patent
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Abstract
A speaker and method for making the same are provided. The speaker includes a permanent magnet and a coil disposed about a first axis around the permanent magnet, the coil being configured to move along the first axis. The speaker further includes a membrane attached to a top surface of the coil and a stabilizer contacting at least one of an internal surface, an external surface, and a bottom surface of the coil, and configured to limit movement of the coil relative to a second axis perpendicular to the first axis.
Claims15
A speaker comprising:
- a permanent magnet comprising a first portion and a second portion adjacent to the first portion;
- a coil disposed about a first axis and around the permanent magnet, the coil being configured to move along the first axis;
- a membrane coupled to a top surface of the coil;
- and
- a stabilizer at least partially disposed between the first and second portions of the permanent magnet, the stabilizer contacting an internal surface, an external surface, and a bottom surface of the coil, and configured to limit movement of the coil relative to a second axis perpendicular to the first axis.
2 more elements
Dependencies are inferred from the claim text.