Sound Generating Apparatus
First Claim
Patent Images
1. An apparatus comprising:
- an electromagnetic coil, where the coil comprises electrical leads; and
a magnet system forming at least one electrical conductor connected to at least one of the electrical leads of the coil,where the magnet system is configured to provide an electrical interface.
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Accused Products
Abstract
An apparatus including an electromagnetic coil and a magnet system. The electromagnetic coil includes electrical leads. The magnet system forms electrical conductors connected to the electrical leads of the coil. The magnet system is configured to provide an electrical interface.
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Citations
29 Claims
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1. An apparatus comprising:
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an electromagnetic coil, where the coil comprises electrical leads; and a magnet system forming at least one electrical conductor connected to at least one of the electrical leads of the coil, where the magnet system is configured to provide an electrical interface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 22, 23, 24)
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15. A method comprising:
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providing a magnet system comprising at least one magnet and at least two pole pieces connected to the at least one magnet; and connecting at least one electrical lead from an electromagnetic coil to at least one of the pole pieces, where at least two of the pole pieces are electrically isolated from each other such that the at least one pole piece provides at least one separate electrical conductor for the at least one electrical lead of the coil. - View Dependent Claims (16, 17, 18, 19, 20, 26, 27, 28, 29)
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21. A method comprising:
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sending current to an electromagnetic coil through a first pole piece of a magnet system; and sending the current from the coil through a second pole piece of the magnet system.
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25. An apparatus comprising:
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an electromagnetic coil, where the coil comprises electrical leads; a magnet system comprising a first permanent magnet and two pole pieces connected to the first permanent magnet, where at least one of the pole pieces forms an electrical conductor connected to at least one of the electrical leads of the coil; and an electrical insulator at least partially between the first permanent magnet and at least one of the pole pieces.
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Specification