Method and system of transmitting a plurality of movement parameters of a vehicle via a two-wire interface
First Claim
1. A system of transmitting a plurality of movement parameters of a vehicle, the system comprising:
- a supply terminal coupled to a power source, and configured to receive power;
a plurality of sensing elements configured to receive power from the supply terminal, each of the sensing elements configured to sense a movement characteristic of the vehicle, and generate movement signals indicative of the sensed movement characteristic;
a multiplex circuit coupled to the sensing elements, and configured to multiplex the movement signals based on the plurality of sensing elements; and
a return terminal coupled to the multiplex circuit, and configured to output the multiplexed movement signals.
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Accused Products
Abstract
A system of transmitting a plurality of movement parameters of a vehicle. The system includes a supply terminal, a plurality of sensing elements, a modulation circuit, and a return terminal. The supply terminal is coupled to a power source to receive power. The sensing elements receive power from the supply terminal. Each of the sensing elements senses a movement characteristic of the vehicle, and generates movement signals indicative of the sensed movement characteristic. The modulation circuit is coupled to the sensing elements to modulate the movement signals based on the plurality of sensing elements. The return terminal is coupled to the modulation circuit to output the modulated movement signals
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Citations
21 Claims
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1. A system of transmitting a plurality of movement parameters of a vehicle, the system comprising:
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a supply terminal coupled to a power source, and configured to receive power; a plurality of sensing elements configured to receive power from the supply terminal, each of the sensing elements configured to sense a movement characteristic of the vehicle, and generate movement signals indicative of the sensed movement characteristic; a multiplex circuit coupled to the sensing elements, and configured to multiplex the movement signals based on the plurality of sensing elements; and a return terminal coupled to the multiplex circuit, and configured to output the multiplexed movement signals. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for transmitting a plurality of movement parameters of a vehicle, the method comprising:
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supplying power to a supply terminal; sensing a plurality of movement characteristics of the vehicle at a plurality of sensing elements coupled to the supply terminal; generating movement signals indicative of the sensed movement characteristics; modulating the movement signals based on the plurality of sensing elements; and outputting the modulated movement signals through a return terminal. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A two-wire sensor comprising:
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a first terminal configured to be coupled to a power source, and to receive power from the power source; a first sensing element coupled to the first terminal to receive power, and configured to sense a first characteristic and to generate a first signal indicative of the first characteristic; a second sensing element coupled to the first terminal to receive power, and configured to sense a second characteristic and to generate a second signal indicative of the second characteristic; a modulation circuit configured to selectively multiplex at least one of the first and second sensing elements into a multiplexed signal; and a second terminal to output the multiplexed signal. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification