Extendable synchronous low power telemetry system for distributed sensors
First Claim
1. A bidirectional repeater for repeating an electrical signal traversing a conductive line coupled between a gateway node and a sensor, the bidirectional repeater comprising:
- a first input-output port coupled to the gateway node;
a second input-output port coupled to the sensor;
a first transceiver configured to receive a synchronization signal of a plurality of synchronization signals from the first input-output port and to transmit a resynchronized data signal to the first input-output port;
a second transceiver configured to transmit the synchronization signal to the second input-output port and to receive a data signal from the second input-output port; and
a repeater circuit coupled to the first and second transceivers and configured to pass through the synchronization signal without re-clocking the synchronization signal, and to resynchronize the data signal to generate the resynchronized data signal,wherein an entirety of the resynchronized data signal occupies a time period between consecutive ones of the plurality of synchronization signals.
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Abstract
a bidirectional repeater for repeating an electrical signal traversing a conductive line coupled between a gateway node and a sensor, the bidirectional repeater comprising a first input-output port coupled to the gateway node, a second input-output port coupled to the sensor, a first transceiver configured to receive a synchronization signal from the first input-output port and to transmit a resynchronized data signal to the first input-output port, a second transceiver configured to transmit the synchronization signal to the second input-output port and to receive a data signal from the second input-output port, and a repeater circuit coupled to the first and second transceivers and configured to pass through the synchronization signal, and to resynchronize the data signal to generate the resynchronized data signal.
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Citations
20 Claims
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1. A bidirectional repeater for repeating an electrical signal traversing a conductive line coupled between a gateway node and a sensor, the bidirectional repeater comprising:
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a first input-output port coupled to the gateway node; a second input-output port coupled to the sensor; a first transceiver configured to receive a synchronization signal of a plurality of synchronization signals from the first input-output port and to transmit a resynchronized data signal to the first input-output port; a second transceiver configured to transmit the synchronization signal to the second input-output port and to receive a data signal from the second input-output port; and a repeater circuit coupled to the first and second transceivers and configured to pass through the synchronization signal without re-clocking the synchronization signal, and to resynchronize the data signal to generate the resynchronized data signal, wherein an entirety of the resynchronized data signal occupies a time period between consecutive ones of the plurality of synchronization signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A synchronous telemetry system comprising:
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a cable comprising one or more conductive elements for conducting a synchronization signal of a plurality of synchronization signals; a gateway node configured to supply the synchronization signal, and to receive a resynchronized data signal; a repeater coupled to the cable, and configured to pass through the synchronization signal without re-clocking the synchronization signal; a sensor coupled to the cable and configured to receive the synchronization signal, to measure a parameter in response to receiving the synchronization signal and to generate a data signal corresponding to the measured parameter; and wherein the repeater is coupled between the gateway node and the sensor, and is further configured to re-clock and reconstruct the data signal to generate the resynchronized data signal, wherein an entirety of the resynchronized data signal occupies a time period between consecutive ones of the plurality of synchronization signals. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A method of repeating an electrical signal traversing a conductive line coupled between a gateway node and a sensor, the method comprising:
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receive, by a repeater, a synchronization signal of a plurality of synchronization signals at a first input-output port of the repeater; pass through, by the repeater, the synchronization signal, without re-clocking the synchronization signal, at a second input-output port of the repeater; receive, by the repeater, a data signal at the second input-output port of the repeater; resynchronize, by the repeater, the data signal to generate a resynchronized data signal; and transmit, by the repeater, the resynchronized data signal at the first input-output port of the repeater, wherein an entirety of the resynchronized data signal occupies a time period between consecutive ones of the plurality of synchronization signals. - View Dependent Claims (20)
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Specification