Wave transmission lines and networks – Long line elements and components – Connectors and interconnections
Reexamination Certificate
2005-10-18
2005-10-18
Jones, Stephen E. (Department: 2817)
Wave transmission lines and networks
Long line elements and components
Connectors and interconnections
C333S257000, C333S02400C
Reexamination Certificate
active
06956450
ABSTRACT:
A device for non-contact transmission of electrical signals or energy between two parts mobile relative to each other comprising electromagnetic near-field coupler elements on the two parts, wherein the coupler elements on at least one part form a cascade circuit terminated in a manner substantially free from reflection, and each coupler element is an independent resonance system having a resonance frequency higher than a highest frequency of wide-band signals to be transmitted. An alternatively structured device in which each coupler element on one part includes an element that resonates independently and has a resonance frequency approximately equal to the frequency of signals or energy to be transmitted including developments in which the coupler elements operate on differential signals, or analyzer means determine the spacing between the two parts, or at least one part comprises symmetrical lines for supplying differential energy signals to two coupler elements.
REFERENCES:
patent: 4730224 (1988-03-01), Komatsu
Jones Stephen E.
Schleifring and Apparatebau GmbH
St. Onge Steward Johnston & Reens LLP
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