Transponder and method for the production thereof
First Claim
Patent Images
1. A transponder comprising:
- a plastic holder having a hollow interior;
a transmit/receive unit within the hollow interior of said holder, said transmit/receive unit including a core and coil assembly impregnated with wax;
an electronic element electrically connected to said transmit/receive unit within the hollow interior of said holder; and
wherein the hollow interior of said holder is at least partially filled with a plastic filler material.
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Accused Products
Abstract
An implantable transponder has a plastic holder having a hollow interior and preferably a rough outer surface, a transmit/receive unit within the hollow interior of the holder, and an electronic element electrically connected to said transmit/receive unit within the hollow interior of said holder. The transmit/receive unit includes a core and coil assembly which may be impregnated with wax, and the hollow interior of the holder is at least partially filled with a plastic filler material such as polysiloxane.
433 Citations
12 Claims
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1. A transponder comprising:
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a plastic holder having a hollow interior; a transmit/receive unit within the hollow interior of said holder, said transmit/receive unit including a core and coil assembly impregnated with wax; an electronic element electrically connected to said transmit/receive unit within the hollow interior of said holder; and wherein the hollow interior of said holder is at least partially filled with a plastic filler material. - View Dependent Claims (2, 3, 4, 5)
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6. An implantable transponder comprising,
a plastic holder having a hollow interior and a roughened outer surface; -
a transmit/receive unit within the hollow interior of said holder, said transmit/receive unit including a core and coil assembly impregnated with wax;
said core comprising a ferrite bar having a recess intermediate the ends thereof for receiving said coil;an electronic element electrically connected to said transmit/receive unit within the hollow interior of said holder; and wherein the hollow interior of said holder is at least partially filled with a plastic filler material. - View Dependent Claims (7, 8)
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9. A method of manufacturing a transponder, comprising the steps of:
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injection molding a hollow plastic holder having a rough outer surface; impregnating a transmit/receive unit including a core and coil assembly with wax; positioning said transmit/receive unit within the hollow interior of said holder; connecting an electronic element to said transmit/receive unit within the hollow interior of said holder; at least partially filling the hollow interior of said holder with a plastic filler material; and sealing said holder. - View Dependent Claims (10, 11)
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12. A method of manufacturing a transmit/receive unit for an implantable transponder comprising the steps of:
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providing a recess in a ferrite bar intermediate the ends of said bar; winding a coil around the bar within the recessed area thereof; and impregnating the bar and coil in wax.
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Specification