Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

The Industry & Academic Cooperation in Chungnam National University (iac)

Other

Postech Research and Business Development Foundation

JongPal Kim

Seungchul Jung

TakHyung Lee

Sang Joon Kim

Wonseok Lee

Hyungwoo Lee

Hyoung Ho Ko

Jaechun Lee

Joonseong Kang

Junyeub Suh

Seung Tak Ryu

Min Jae Seo

Young Jun Hong

Jun Ho Kim

Ji-Hoon Kim

Sung Min Park

Gyu Hyeong Cho

Sangyun Park

Dong-il Cho

Min Seong Choi

Byunghoon Ko

Jonghan Kim

Dae-Geun Jang

Dong Hwan Jin

Se Un Shin

Seok Tae Koh

Ye Dam Kim

Yu Jin Yang

A signal measurement apparatus and signal measurement method are provided. The signal measurement apparatus includes a switching circuit configured to transmit a differential voltage signal to an amplifier, the amplifier configured to amplify the differential voltage signal; and a controller configured to output, in response to a signal value of the amplified differential voltage signal reaching a first threshold value, a control signal to change a connection of the switching circuit, wherein the switching circuit is configured to, based on the control signal, reverse connections between input terminals of the amplifier and paths along which the differential voltage signal is transmitted.

Signal measurement apparatus and signal measurement method

Aspects of the subject disclosure may include, for example, a method and apparatus for measuring a bioimpedance and performing an electrical stimulation, the method including generating a first current corresponding to a first high-frequency, generating a second current corresponding to a second high-frequency, generating a low-frequency current based on a beat phenomenon of the first current and the second current, and calculating an impedance of a target part based on a voltage induced to the target part by a high-frequency current corresponding to at least one of the first current and the second current and the low-frequency current.

Bioimpedance measurement method and apparatus with electrical stimulation performance

A quasi-isotropic antenna includes: a feeder; a loop antenna configured to radiate a first radio wave based on a feeding from the feeder; and a dipole antenna adjacent to the loop antenna, and configured to radiate a second radio wave by resonating based on a resonant-coupling with the loop antenna, wherein a radiation pattern of the first radio wave is orthogonal to a radiation pattern of the second radio wave.

Quasi-isotropic antenna

A signal measuring apparatus and method is provided. The signal measuring apparatus inputs a reduced voltage signal to an input end of an amplifier by resetting a voltage signal, which is acquired by applying a known current signal to a target object, using a common mode voltage at least once during one period of a current signal. The signal measuring apparatus acquires a digital signal corresponding to an object impedance change by converting an output of the amplifier.

Method and apparatus for measuring signal

A signal measurement apparatus and signal measurement method are provided. The signal measurement apparatus includes an amplifier configured to receive a differential voltage signal, amplify the received differential voltage signal, and output the amplified differential voltage signal, a controller configured to output a control signal to control a switching circuit in response to a signal value of the amplified differential voltage signal satisfying a condition, and wherein the switching circuit is configured to change connections between input terminals of the amplifier and paths along which the differential voltage signal is transmitted, based on the control signal.

A neuromimetic stimulating apparatus includes a feedback detector configured to detect a feedback signal from a target to be stimulated, a controller configured to analyze a waveform of the detected feedback signal and determine a parameter based on the analyzed waveform of the detected feedback signal, and a signal generator configured to generate a stimulus signal corresponding to the detected feedback signal based on the determined parameter.

Neuromimetic stimulating apparatus and method

Aspects of the subject disclosure may include, for example, a method and apparatus for measuring a bioimpedance and performing an electrical stimulation. The method includes generating a first current corresponding to a first high-frequency, generating a second current corresponding to a second high-frequency, generating a low-frequency current based on a beat phenomenon of the first current and the second current, and calculating an impedance of a target part based on a voltage induced to the target part by a high-frequency current corresponding to at least one of the first current and the second current and the low-frequency current.

An implantable monitoring device includes first sensors to measure state information of one or both of a posture and an activity of a user and second sensors to measure bioinformation of two or more of an electrocardiogram (ECG) of a heart of the user, a pulmonary impedance of a lung of the user, a movement of the heart, a movement of a thorax including the lung, and a respiratory quotient (RQ) of the lung, two electrodes to detect bioinformation to measure one or both of the ECG and the pulmonary impedance, an analog circuit to process the detected bioinformation to measure the one or both of the ECG and the pulmonary impedance, and a processor to monitor an abnormal state of the heart and the lung of the user based on the state information and the bioinformation.

Implantable monitoring device and method of operating the implantable monitoring device

Provided are a voltage generating method and apparatus. A wireless power device includes a boosting circuit configured to generate a high voltage, and a switch arrangement circuit configured to selectively transmit energy to the boosting circuit, for the generating of the high voltage, using an inductor included in a resonator and in response to a build-up request for the high voltage.

Voltage generating method and apparatus

A signal measurement apparatus and signal measurement method are provided. The measurement apparatus includes a compensation signal generating circuit configured to generate a target compensation signal that reduces a carrier frequency component in a voltage signal that is input into an amplifier based on an output signal of the amplifier, and the amplifier amplifies the voltage signal to which the target compensation signal is applied, wherein the compensation signal generating circuit is configured to determine a signal value of a subsequent compensation signal based on a signal value of the output signal of the amplifier amplified by applying a previous compensation signal, when determining the target compensation signal.

A signal processing apparatus includes an input voltage selector configured to select an input voltage from a plurality of input voltages; an input element connected to the input voltage selector; and an input current controller configured to control an inflow of an input current in conjunction with an operation of the input voltage selector.

Signal processing method and apparatus

An impedance measuring apparatus and method is disclosed. The impedance measuring apparatus includes one or more capacitors configured to receive an induced signal determined by an impedance of a measurement target, a controller configured to output a control signal to selectively turn a switch on or off based on whether a voltage value of the induced signal is included in a threshold range, and the switch configured to determine whether to set, to be a reference voltage value, a voltage value of a capacitor voltage signal output from the one or more capacitors based on the control signal.

Apparatus and method measuring bioimpedance and impedance

A method of evaluating a physiological aging level includes calculating a complexity corresponding to a change pattern of a physiological parameter sensed from a user, and determining an aging level indicating a physiological change progress of the user based on the complexity.

Method and apparatus for evaluating physiological aging level

A wireless power receiving apparatus includes a receiving resonator configured to wirelessly receive energy; a resonant converter configured to transfer, to an output end of the wireless power receiving apparatus, energy of an energy storage device connected among a plurality of energy storage devices; and a controller configured to accumulate, alternatingly in the energy storage devices, the energy received, and select the energy storage device to be connected to the resonant converter from the energy storage devices.

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Seoul, South Korea

JongPal Kim