Data transfer hinge
First Claim
1. A data transfer hinge comprising:
- a first leaf and a second leaf, each having at least one knuckle, at least one channel running from an edge coincident with the at least one knuckle, and a passageway in a face thereof opening into the at least one channel, the at least one knuckle of the first leaf and the at least one knuckle of the second leaf being arranged to be relatively rotatable around a common axis; and
a twisted pair of data wires having a specified number of twists per unit length, the twisted pair of data wires running through the passageway in the face of each leaf and through the at least one channel in both the first leaf and the second leaf,wherein each wire of the twisted pair of data wires is of a gauge and has insulation of a specified thickness and permittivity so as to cooperate with the channel to maintain an even distribution of capacitance and an appropriate impedance for connection within a local area network.
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Accused Products
Abstract
A data transfer hinge is disclosed. Embodiments of the present invention provide a door hinge that facilitates transmission of data from LAN wiring in a building through a door frame to a door mounted device. Power and ground connections can also pass through the hinge. Channels run in each leaf from an edge coincident with the knuckles of the leaf to a passageway in the face of the leaf. Twisted pairs of data wires having a specified number of twists per unit length run through the passageway and the channels in the leaves. Each wire of a twisted pair is of a gauge and has insulation of a specified thickness and permittivity so as to cooperate with the channel to maintain an even distribution of capacitance and appropriate impedance for connection within a local area network.
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Citations
27 Claims
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1. A data transfer hinge comprising:
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a first leaf and a second leaf, each having at least one knuckle, at least one channel running from an edge coincident with the at least one knuckle, and a passageway in a face thereof opening into the at least one channel, the at least one knuckle of the first leaf and the at least one knuckle of the second leaf being arranged to be relatively rotatable around a common axis; and a twisted pair of data wires having a specified number of twists per unit length, the twisted pair of data wires running through the passageway in the face of each leaf and through the at least one channel in both the first leaf and the second leaf, wherein each wire of the twisted pair of data wires is of a gauge and has insulation of a specified thickness and permittivity so as to cooperate with the channel to maintain an even distribution of capacitance and an appropriate impedance for connection within a local area network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of constructing a data transfer hinge comprising:
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providing a first leaf and a second leaf, each having at least one knuckle, the at least one knuckle of the first leaf and the at least one knuckle of the second leaf being arranged to be relatively rotatable around a common axis when the first leaf and the second leaf are joined; creating at least a first passageway in a face of each of the first leaf and the second leaf; machining at least one channel in each of the first leaf and the second leaf running from an edge coincident with the at least one knuckle to at least the first passage way in the face; joining the first leaf and the second leaf to form a hinge; and running two twisted pairs of data wires having a specified number of twists per unit length through the first passageway in the face of each leaf and further running at least one of the two twisted pairs through the at least one channel in both the first leaf and the second leaf, wherein each wire of the twisted pairs of data wires is of a gauge and has insulation of a specified thickness and permittivity so as to cooperate with the at least one channel to maintain an even distribution of capacitance and an appropriate impedance for connection within a local area network. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A data transfer hinge comprising:
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first and second leaves; means for joining the first and second leaves to be rotatable relative to each other around a common axis; means for carrying local area network signals between the first leaf of the data transfer hinge and the second leaf of the data transfer hinge while maintaining an even distribution of capacitance and an appropriate impedance for connection within a local area network; and means for connecting the data transfer hinge to the local area network. - View Dependent Claims (27)
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Specification