Contactless coupler
First Claim
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1. A contactless coupler, comprising:
- an inductive coupling element adapted to transmit and/or receive power by inductive magnetic coupling; and
a capacitive coupling element adapted to transmit and/or receive a data signal by capacitive coupling, wherein the capacitive coupling element comprises a plurality of capacitive electrodes disposed at an end of the coupler in concentric loop shapes, a length of the loop increases from the innermost capacitive electrode to the outermost capacitive electrode and a width of the loop decreases from the innermost capacitive electrode to the outermost capacitive electrode, such that surface areas of the loops are substantially the same.
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Abstract
A contactless coupler is disclosed. The contactless coupler has an inductive coupling element adapted to transmit and/or receive power by inductive magnetic coupling and a capacitive coupling element adapted to transmit and/or receive a data signal by capacitive coupling. The capacitive coupling element comprises one or more capacitive electrodes disposed at an end of the coupler.
25 Citations
16 Claims
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1. A contactless coupler, comprising:
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an inductive coupling element adapted to transmit and/or receive power by inductive magnetic coupling; and a capacitive coupling element adapted to transmit and/or receive a data signal by capacitive coupling, wherein the capacitive coupling element comprises a plurality of capacitive electrodes disposed at an end of the coupler in concentric loop shapes, a length of the loop increases from the innermost capacitive electrode to the outermost capacitive electrode and a width of the loop decreases from the innermost capacitive electrode to the outermost capacitive electrode, such that surface areas of the loops are substantially the same. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A contactless coupling system, comprising:
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a transmitting side and a receiving side, each side comprising a contactless coupler; the contactless coupler comprising an inductive coupling element adapted to transmit and/or receive power by inductive magnetic coupling and a capacitive coupling element adapted to transmit and/or receive a data signal by capacitive coupling, wherein the capacitive coupling element comprises a plurality of capacitive electrodes disposed at the coupler front-end in concentric loop shapes, a length of the loop increases from the innermost capacitive electrode to the outermost capacitive electrode and a width of the loop decreases from the innermost capacitive electrode to the outermost capacitive electrode, such that surface areas of the loops are substantially the same, and the front-end of the contactless coupler on the transmitting side faces the front-end of the contactless coupler on the receiving side. - View Dependent Claims (14, 15, 16)
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Specification