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US 2011/0084924 A1Published application
Method and device for signal detection
AssigneeEgalax_Empia Technology Inc.
InventorsCHIN-FU CHANG, CHENG-HAN LEE, CHI-HAO TANG, SHUN-LUNG HO
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Abstract
A method and device for signal detection is disclosed. At least one detection period is predefined for detecting a signal of a signal source, a differential signal of a pair of signal sources, or a dual-differential signal of three signal sources during at least one clock cycle.
Claims45
A method for signal detection, comprising:
- defining at least one detection period in a clock cycle with an enable signal;
- defining a prior half cycle and a latter half cycle of the clock cycle with a synchronizing signal;
- performing an integration detection on a signal difference of a pair of inputs in the at least one detection period according to the enable signal;
- and
- switching signal sources of the pair of inputs according to the synchronizing signal.
2 more elements
A device for signal detection, comprising:
- a device for providing an enable signal which defines at least one detection period in a clock cycle;
- a device for providing a synchronizing signal which defines a prior half cycle and a latter half cycle of the clock cycle;
- a device for performing an integration detection on a signal difference of a pair of inputs in the at least one detection period according to the enable signal;
- and
- a device for switching signal sources of the pair of inputs according to the synchronizing signal.
2 more elements
A method for signal detection, comprising:
- defining at least one detection period in a clock cycle with an enable signal;
- defining a prior half cycle and a latter half cycle of the clock cycle with a synchronizing signal;
- switching signal sources of a first pair of inputs of a first subtractor according to the synchronizing signal, a first output of the first subtractor providing a signal difference of the first pair of inputs;
- switching signal sources of a second pair of inputs of a second subtractor according to the synchronizing signal, a second output of the second subtractor providing a signal difference of the second pair of inputs;
- and
- performing an integration detection on a signal difference of the first output and the second output in the at least one detection period according to the enable signal.
3 more elements
A device for signal detection, comprising:
- a device for providing an enable signal which defines at least one detection period in a clock cycle;
- a device for providing a synchronizing signal which defines a prior half cycle and a latter half cycle of the clock cycle;
- a device for switching signal sources of a first pair of inputs of a first subtractor according to the synchronizing signal, a first output of the first subtractor providing a signal difference of the first pair of inputs;
- a device for switching signal sources of a second pair of inputs of a second subtractor according to the synchronizing signal, a second output of the second subtractor providing a signal difference of the second pair of inputs;
- and
- a device for performing an integration detection on a signal difference of the first output and the second output in the at least one detection period according to the enable signal.
3 more elements
A method for signal detection, comprising:
- defining at least one detection period in a clock cycle with an enable signal;
- defining a prior half cycle and a latter half cycle of the clock cycle with a synchronizing signal;
- providing one of a signal of a signal source and an inverse of the signal according to the synchronizing signal;
- and
- performing an integration detection on the signal or the inverse of the signal in the at least one detection period according to the enable signal.
2 more elements
A device for signal detection, comprising:
- a device for providing an enable signal which defines at least one detection period in a clock cycle;
- a device for providing a synchronizing signal which defines a prior half cycle and a latter half cycle of the clock cycle;
- a device for providing one of a signal of a signal source and an inverse of the signal according to the synchronizing signal;
- and
- a device for performing an integration detection on the signal or the inverse of the signal in the at least one detection period according to the enable signal.
2 more elements
Dependencies are inferred from the claim text.