Inductive coupling of a data signal to a power transmission cable
AssigneeAmbient Corporation
InventorYehuda Cern
Life of this patent
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Abstract
There is provided an apparatus for enabling communication of a data signal via a power transmission cable. The apparatus includes (a) a first winding for coupling the data signal via a conductor of the power transmission cable, and (b) a second winding, inductively coupled to the first winding, for coupling the data signal via a data port. The apparatus further includes the power transmission cable having a first neutral conductor and a second neutral conductor and apparatus for differential coupling of the data signal to the first and second neutral conductors.
Claims36
An apparatus for enabling communication of a data signal via a power transmission cable having a first neutral conductor and a second neutral conductor, comprising:
- a core for placement about said first and second neutral conductors;
- and
- a winding wrapped around a portion of said core,
- wherein said data signal is inductively coupled between said first neutral conductor and a data port, and between said second neutral conductor and said data port, via said core and said winding, and
- wherein said data signal is driven differentially through said first and second neutral conductors.
A data communication network implemented over a power distribution system having a power transmission cable with a first conductor for a phase on a primary side of a transformer and a second conductor for a phase on a secondary side of the transformer, said data communication network comprising:
- a first coupler for inductively coupling a data signal via said first conductor and;
- a second coupler for coupling said data signal via said second conductor,
- wherein said data signal is coupled between said first conductor and said second conductor via said first coupler and said second coupler, thus bypassing said transformer.
A data communication network implemented over a power distribution system having a phase conductor with a first segment on a first side of a switch and a second segment on a second side of said switch, comprising:
- a first capacitive coupler for coupling a data signal via said first segment, and having a data port for further coupling of said data signal;
- and
- a second capacitive coupler having a data port coupled to said data port of said first capacitive coupler, and for coupling said data signal via said second segment,
- wherein a transmission of said data signal between said first segment and said second segment is maintained when said switch is opened.
A method for enabling communication of a data signal via a power transmission cable having a first neutral conductor and a second neutral conductor, said method comprising arranging an apparatus for differential coupling of said data signal to said first and second neutral conductors.
A method for enabling communication of a data signal over a power distribution system having a power transmission cable with a first conductor for a phase on a primary side of a transformer and a second conductor for a phase on a secondary side of the transformer, said method comprising:
- arranging a first coupler for inductively coupling said data signal via said first conductor;
- and
- arranging a second coupler for coupling said data signal via said second conductor,
- wherein said data signal is coupled between said first conductor and said second conductor via said first coupler and said second coupler, thus bypassing said transformer.
Dependencies are inferred from the claim text.