BASELINE DRIFT CANCELING METHOD AND DEVICE
First Claim
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1. A baseline drift canceling method to remove a baseline drift signal in a bioelectric signal, comprising:
- delaying the bioelectric signal by an analog time delay circuit to generate a first bioelectric signal;
according to the bioelectric signal to generate a baseline drift signal; and
acquiring a second bioelectric signal according to the first bioelectric signal and the baseline drift signal.
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Abstract
An embodiment of a baseline drift canceling method is provided. The method removes a baseline drift signal from a bioelectric signal, and includes the steps as follows: delaying the bioelectric signal by an analog time delay circuit to generate a first bioelectric signal; according to the bioelectric signal to generate a baseline drift signal; and acquiring a second bioelectric signal according to the first bioelectric signal and the baseline drift signal.
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Citations
25 Claims
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1. A baseline drift canceling method to remove a baseline drift signal in a bioelectric signal, comprising:
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delaying the bioelectric signal by an analog time delay circuit to generate a first bioelectric signal; according to the bioelectric signal to generate a baseline drift signal; and acquiring a second bioelectric signal according to the first bioelectric signal and the baseline drift signal. - View Dependent Claims (2, 3, 4, 5)
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6. A baseline drift canceling device to remove a baseline drift signal in a bioelectric signal, comprising:
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a first amplifier to receive and amplify a sensing signal to generate the bioelectric signal; a baseline drift canceling unit, comprising; a low pass filter receiving the bioelectric signal to generate the baseline drift signal; an analog time delay circuit to delay the bioelectric signal to generate a first bioelectric signal; and an adder receiving the baseline drift signal and the first bioelectric signal to generate a second bioelectric signal; and a digital amplifier receiving and amplifying the second bioelectric signal to generate a digital bioelectric signal. - View Dependent Claims (7, 8, 9, 10, 11, 22)
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12. A bioelectric signal sensing apparatus, comprising:
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a first sensor outputting a first sensing signal; a second sensor outputting a second sensing signal; a first amplifier receiving the first sensing signal and the second sensing signal to generate a bioelectric signal; and at least one baseline drift canceling unit, comprising; a low pass filter receiving the bioelectric signal to generate a baseline drift signal; an analog time delay circuit to delay the bioelectric signal to generate a first bioelectric signal; and an adder receiving the baseline drift signal and the first bioelectric signal to generate a second bioelectric signal. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25)
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Specification