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US 2015/0146831 A1Published application
Sensor, control unit and method to communicate between sensors and control units
AssigneeInfineon Technologies AG
InventorsDirk Hammerschmidt, Friedrich Rasbornig, Bernhard Schaffer, Michael Strasser
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Abstract
A sensor may include a clock generator configured to generate a clock. A receiver may be configured to receive signals from a control unit, and a transmitter they be configured to send signals to the control unit. In one implementation, the transmitter is configured to send a synchronization signal based on the clock. A period between a first edge and a second edge of the synchronization signal may be dependent on the clock and both edges are either rising or falling.
Claims20
A sensor comprising:
- a clock generator configured to generate a clock;
- a receiver configured to receive signals from a control unit;
- and
- a transmitter configured to send signals to the control unit, wherein the transmitter is configured to send a synchronization signal based on the clock, and wherein a period between a first edge and a second edge of the synchronization signal is dependent on the clock and both edges are either rising or falling.
1 more element
A sensor system, comprising:
- a sensor;
- a controller coupled to the sensor by way of a bus line, the controller configured to change a signal from a first state to a second state,
- wherein the sensor is configured to change the signal from the second state to the first state and provide a synchronization signal after the signal change from the second state to the first state.
A method, comprising:
- changing a signal from a first state to a second state, the signal being associated with a bus line coupled between a controller and a sensor;
- changing the signal from the second state to the first state;
- providing a synchronization signal subsequent to changing the signal from the second state to the first state.
Dependencies are inferred from the claim text.