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1.发明授权公开(公告)号：US11986306B2
公开(公告)日：2024-05-21
申请号：US17367409
申请日：2021-07-04
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen
IPC: A61B5/308 , A61B5/00 , A61B5/0531 , A61B5/28 , A61B5/318
CPC classification number: A61B5/308 , A61B5/0531 , A61B5/28 , A61B5/318 , A61B5/721 , A61B2560/02
Abstract: The present invention provides a circuitry of a biopotential acquisition system comprising an input node, an ETI transmitter and an ADC. The input node is coupled to an electrode of the biopotential acquisition system, and the electrode is used to be in contact with a human body. The ETI transmitter is configured to generate a transmitter signal to the input node. The ADC is coupled to the input node, and is configured to process an input signal from the input node to generate a digital signal, wherein each of the input signal and the digital signal comprises components of an ECG signal and an ETI signal.
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公开(公告)号：US11451366B2
公开(公告)日：2022-09-20
申请号：US17111474
申请日：2020-12-03
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen
Abstract: The present invention provides a lead-on detection circuitry of a biopotential acquisition system. The lead-on detection circuitry includes an input terminal, a duty-cycle controller, a transmitting signal generator and a mixer-based receiver. The duty-cycle controller is configured to generate a first clock signal. The transmitting signal generator is configured to generate a transmitting signal to the input terminal according to the first clock signal. The mixer-based receiver is configured to perform a mixing operation based on the first clock signal and the transmitting signal to generate an output signal, wherein the output signal indicates if an electrode of the biopotential acquisition system is in contact with a human body, and the electrode is coupled to the input terminal.
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3.发明申请公开(公告)号：US20220071543A1
公开(公告)日：2022-03-10
申请号：US17367409
申请日：2021-07-04
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen
Abstract: The present invention provides a circuitry of a biopotential acquisition system comprising an input node, an ETI transmitter and an ADC. The input node is coupled to an electrode of the biopotential acquisition system, and the electrode is used to be in contact with a human body. The ETI transmitter is configured to generate a transmitter signal to the input node. The ADC is coupled to the input node, and is configured to process an input signal from the input node to generate a digital signal, wherein each of the input signal and the digital signal comprises components of an ECG signal and an ETI signal.
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公开(公告)号：US11937947B2
公开(公告)日：2024-03-26
申请号：US17219910
申请日：2021-04-01
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen
IPC: A61B5/00
CPC classification number: A61B5/7221
Abstract: The present invention provides a circuitry of a biopotential acquisition system, where the circuitry includes an input node, an ETI transmitter, a capacitor and an ETI receiver. The input node is configured to receive an input signal from an electrode of the biopotential acquisition system. The ETI transmitter is configured to generate a transmitter signal. A first node of the capacitor is coupled to the ETI transmitter, and a second node of the capacitor is coupled to the input node. The ETI receiver is coupled to the input node, and is configured to receive the transmitter signal via the capacitor to generate an ETI.
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公开(公告)号：US11617531B2
公开(公告)日：2023-04-04
申请号：US16681737
申请日：2019-11-12
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen
Abstract: The present invention provides a circuit applied to a biopotential acquisition system, wherein the circuit includes an active current source and an amplifier. In the operations of the circuit, the active current source is configured to provide a current to two input terminals of the circuit, wherein the two input terminals of the circuit are coupled to two input electrodes of the biopotential acquisition system; and the amplifier is configured to receive input signals from the two input terminals to generate an output signal.
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Patent Agency Ranking
公开(公告)号：US20210226764A1
公开(公告)日：2021-07-22
申请号：US17111474
申请日：2020-12-03
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen
Abstract: The present invention provides a lead-on detection circuitry of a biopotential acquisition system. The lead-on detection circuitry includes an input terminal, a duty-cycle controller, a transmitting signal generator and a mixer-based receiver. The duty-cycle controller is configured to generate a first clock signal. The transmitting signal generator is configured to generate a transmitting signal to the input terminal according to the first clock signal. The mixer-based receiver is configured to perform a mixing operation based on the first clock signal and the transmitting signal to generate an output signal, wherein the output signal indicates if an electrode of the biopotential acquisition system is in contact with a human body, and the electrode is coupled to the input terminal.
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公开(公告)号：US20200163577A1
公开(公告)日：2020-05-28
申请号：US16680504
申请日：2019-11-12
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen , Yu-Hung Lin
Abstract: The present invention provides a circuit applied to a bio-information acquisition system, wherein the circuit includes a terminal, an output circuit, a feedback circuit and a calibration circuit. In the operations of the circuit, the terminal is arranged to receive an input signal, the output circuit is configured to generate an output signal according to the input signal, the feedback circuit is configured to receive the output signal to generate a current signal to the terminal, and the calibration circuit is configured to generate a control signal to control the feedback circuit to determine a level of the current signal according to the output signal.
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公开(公告)号：US20210330267A1
公开(公告)日：2021-10-28
申请号：US17219910
申请日：2021-04-01
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen
Abstract: The present invention provides a circuitry of a biopotential acquisition system, where the circuitry includes an input node, an ETI transmitter, a capacitor and an ETI receiver. The input node is configured to receive an input signal from an electrode of the biopotential acquisition system. The ETI transmitter is configured to generate a transmitter signal. A first node of the capacitor is coupled to the ETI transmitter, and a second node of the capacitor is coupled to the input node. The ETI receiver is coupled to the input node, and is configured to receive the transmitter signal via the capacitor to generate an ETI.
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公开(公告)号：US20200163574A1
公开(公告)日：2020-05-28
申请号：US16681737
申请日：2019-11-12
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen
IPC: A61B5/0428 , A61B5/0408 , H03F3/45
Abstract: The present invention provides a circuit applied to a biopotential acquisition system, wherein the circuit includes an active current source and an amplifier. In the operations of the circuit, the active current source is configured to provide a current to two input terminals of the circuit, wherein the two input terminals of the circuit are coupled to two input electrodes of the biopotential acquisition system; and the amplifier is configured to receive input signals from the two input terminals to generate an output signal.
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公开(公告)号：US11497411B2
公开(公告)日：2022-11-15
申请号：US16680504
申请日：2019-11-12
Applicant: MEDIATEK INC.
Inventor： Chih-Hsin Chen , Yu-Hung Lin
Abstract: The present invention provides a circuit applied to a bio-information acquisition system, wherein the circuit includes a terminal, an output circuit, a feedback circuit and a calibration circuit. In the operations of the circuit, the terminal is arranged to receive an input signal, the output circuit is configured to generate an output signal according to the input signal, the feedback circuit is configured to receive the output signal to generate a current signal to the terminal, and the calibration circuit is configured to generate a control signal to control the feedback circuit to determine a level of the current signal according to the output signal.
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