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US 7,804,290 B2Granted
Event-driven time-interval measurement
AssigneeInfineon Technologies AG
InventorsStephan Henzler, Matthias Schobinger
Life of this patent
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Abstract
An apparatus including a circuit configured to measure timing between features in a first signal only referring to timing information contained in the signal itself.
Claims22
An apparatus, comprising:
- an event-generating circuit configured to generate trigger event signals based on an input signal;
- and
- a first time-to-digital converter having a first start input and a first stop input, wherein the first start input and the first stop input are each coupled to the event-generating circuit to receive at least one of the trigger event signals,
- wherein the first time-to-digital converter is configured to generate an output signal representing a length of time that starts and stops depending upon those of the trigger event signals received by the first start input and the first stop input, without reference to a clock signal.
1 more element
An apparatus, comprising:
- a first circuit portion configured to generate trigger event signals based on an input signal;
- and
- a second circuit portion having a first input and a second input, wherein the first input and the second input are each coupled to the first circuit portion to receive at least one of the trigger event signals,
- wherein the second circuit portion is configured to generate an output signal representing a length of time that starts and stops depending upon the at least one of the trigger event signals, without reference to a clock signal.
1 more element
An apparatus, comprising:
- means for generating trigger event signals based on an input signal;
- and
- a time-to-digital converter having a start input and a stop input, wherein the start input and the stop input are each coupled to the means for generating so as to receive at least one of the trigger event signals,
- wherein the time-to-digital converter comprises means for generating an output signal representing a length of time that starts and stops depending upon the event signal, without reference to a clock signal.
1 more element
An apparatus, comprising:
- an event-generating circuit configured to generate trigger event signals based on an input signal;
- a first time-to-digital converter coupled to the event-generating circuit and configured to generate a first output based on at least a first one of the trigger event signals;
- a second time-to-digital converter coupled to the event-generating circuit and configured to generate a second output based on at least a second one of the trigger event signals;
- a post-processing circuit configured to generate an output based on a combination of the first and second outputs;
- a storage circuit configured to store values of signals from the first and second outputs and to selectively output the stored values to the post-processing circuit;
- and
- a synchronization circuit configured to control, based on features of the input signal, when the storage circuit outputs the stored values to the post-processing circuit.
4 more elements
An apparatus, comprising:
- an event-generating circuit configured to generate trigger event signals based on an input signal;
- a first time-to-digital converter having a first start input and a first stop input, wherein the first start input and the first stop input are each coupled to the event-generating circuit to receive at least one of the trigger event signals;
- a second time-to-digital converter having a second start input and a second stop input, wherein the second start input and the second stop input are each coupled to the event-generating circuit to receive at least one of the trigger event signals, wherein the first time-to-digital converter is configured to generate a first output and the second time-to-digital converter is configured to generate a second output;
- a post-processing circuit configured to generate an output based on a combination of the first and second outputs;
- a storage circuit configured to store values of signals from the first and second outputs and configured to selectively output the stored values to the post-processing circuit;
- and
- a synchronization circuit configured to control, based on features of the input signal, when the storage circuit outputs the stored values to the post-processing circuit.
4 more elements
Dependencies are inferred from the claim text.