PROTECTED TRANSMISSION OF INDEPENDENT SENSOR SIGNALS
First Claim
1. A sensor system, comprising:
- a plurality of sensors configured to independently generate sensor signals corresponding to a sensed quantity;
a plurality of channel protection elements, respectively configured to receive one of the sensor signals and to introduce channel protection data into the received sensor signal to generate a channel protected sensor (CPS) signal; and
a shared communication interface configured to receive CPS signals from one or more of the plurality of channel protection elements and to provide the CPS signals onto a transmission line according to one or more communication protocols.
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Abstract
The present disclosure relates to a sensor system having a shared communication interface that transmits sensor signals having independent channel protection data from a plurality of sensors. In some embodiments, the sensor signal has a plurality of sensors that independently generate sensor signals corresponding to a sensed quantity. A plurality of channel protection elements respectively receive one of the sensor signals and to introduce channel protection data into the received sensor signal to generate a channel protected sensor (CPS) signal. A shared communication interface receives CPS signals from one or more of the channel protection elements and to selectively provide the CPS signals onto a transmission line according to one or more communication protocols. By introducing channel protection data to the sensor signals upstream of the shared communication interface, a same communication interface can be used to transmit channel protected sensor signals from a plurality of independent sensors.
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Citations
20 Claims
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1. A sensor system, comprising:
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a plurality of sensors configured to independently generate sensor signals corresponding to a sensed quantity; a plurality of channel protection elements, respectively configured to receive one of the sensor signals and to introduce channel protection data into the received sensor signal to generate a channel protected sensor (CPS) signal; and a shared communication interface configured to receive CPS signals from one or more of the plurality of channel protection elements and to provide the CPS signals onto a transmission line according to one or more communication protocols. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A sensor system, comprising:
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a first sensor configured to generate a first sensor signal corresponding to a sensed quantity; a second sensor configured to generate a second sensor signal corresponding to the sensed quantity; a first channel protection element coupled to an output of the first sensor and configured to introduce first channel protection data into the first sensor signal to generate a first channel protected sensor (CPS) signal; a second channel protection element coupled to an output of the second sensor and configured to introduce second channel protection data into the second sensor signal to generate a second CPS signal; and a shared communication interface connected to the first channel protection element and the second channel protection element and configured to provide the first CPS signal and the second CPS signal onto a transmission line according to one or more communication protocols. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method, comprising:
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independently generating a plurality of independent sensor signals; separately introducing channel protection data into one or more of the plurality of sensor signals to generate one or more channel protected sensor (CPS) signals; providing the one or more CPS signals to a transmission line according to one or more communication protocols; transmitting the one or more CPS signals to a receiver; and using the channel protection data from the one or more CPS signals to determine if faults have been generated during protocol generation or during transmission of the one or more CPS signals. - View Dependent Claims (19, 20)
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Specification