An electrocardiogram (ECG) measurement method with reduced power consumption for displaying a six-lead ECG waveform using a portable apparatus and a smartphone is disclosed. The apparatus includes three electrodes configured to contact both hands and a left leg of a user, two contact detectors configured to detect a contact status of the user, and a microcontroller. Upon detecting simultaneous contact on all three electrodes, the microcontroller transitions from a low-power mode to an active mode, activating two amplifiers and a constant voltage generator to acquire two ECG signals. The two ECG signals are converted into two digital lead signals and wirelessly transmitted to the smartphone. The smartphone generates four additional derived lead signals and displays a six-lead ECG waveform based on the two received signals.
The present invention relates to an electrocardiogram measurement apparatus (measurement sensor) which can be used in combination with a smartphone by an individual. The electrocardiogram measurement apparatus according to the present invention comprises: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
The present invention relates to an electrocardiogram measurement apparatus (measurement sensor) which can be used in combination with a smartphone by an individual. The electrocardiogram measurement apparatus according to the present invention comprises: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
An electrocardiogram measurement device according to the present invention comprises: first and second electrodes receiving two electrocardiogram voltages of contact body parts, respectively; two amplifiers receiving the two electrocardiogram voltages from the first electrode and the second electrode, respectively; one electrode driving unit that outputs a driving voltage; and a third electrode that transmits an electrocardiogram voltage of a human body part in contact with an input terminal of the electrode driving unit, wherein each of the two amplifiers simultaneously receives and amplifies one electrocardiogram voltage, and the three electrodes are in contact with the right hand, the left hand, and the left leg, thereby enabling the device according to the present invention to obtain six electrocardiogram lead signals.
The present invention relates to a wearable device for acquiring plural electrocardiogram lead signals, and more particularly, to a wearable device as a plurality of electrocardiogram measuring devices (measurement sensors) wearable by an individual, which is convenient to carry so as to be easily used regardless of time and place, and configured to acquire six electrocardiogram lead signals through two limb lead signals measured simultaneously.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/256 - Wearable electrodes, e.g. having straps or bands
A61B 5/26 - Bioelectric electrodes therefor maintaining contact between the body and the electrodes by the action of the subjects, e.g. by placing the body on the electrodes or by grasping the electrodes
A portable complex sensor device for measuring multiple items of biometric information, according to the present invention, comprises: a plurality of electrodes for receiving the biometric information; a plurality of biometric information measuring circuits for measuring the biometric information received from the plurality of electrodes; a plurality of current sensors which are always supplied with power so as to sense electric current when an object to be measured contacts the electrodes; a wireless communication means for transmitting and receiving data to and from a smart phone; and a microcontroller for controlling the power supply of a battery by being operated in a sleep mode or an active mode on the basis of whether the current sensors have sensed the electric current.
H04W 4/38 - Services specially adapted for particular environments, situations or purposes for collecting sensor information
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
An electrocardiogram measurement device according to an aspect of the present invention includes: a first electrode and a second electrode for receiving two electrocardiogram voltages of a human body part in contact therewith, respectively; two amplifiers for receiving the two electrocardiogram voltages from the first electrode and the second electrode, respectively; one electrode driving part for outputting a driving voltage; a third electrode for receiving an output of the electrode driving part and transferring the output of the electrode driving part to a human body part in contact therewith; and a fourth electrode for transferring one electrocardiogram voltage to an input of the electrode driving part. The device of the present invention is characterized in that the two amplifiers respectively receive and amplify one electrocardiogram voltage simultaneously, and the four electrodes come in contact with a right hand, a left hand, and a left leg to acquire six electrocardiogram limb lead signals.
The electrocardiogram measurement apparatus includes: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
The present invention relates to an electrocardiogram measurement apparatus (measurement sensor) which can be used in combination with a smartphone by an individual. The electrocardiogram measurement apparatus according to the present invention comprises: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
The present invention relates to an electrocardiogram measurement apparatus (measurement sensor) which can be used in combination with a smartphone by an individual. The electrocardiogram measurement apparatus according to the present invention comprises: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
The present invention relates to a wearable device that acquires a plurality of electrocardiogram lead signals and, more specifically, to a wearable device as a plurality of electrocardiogram measuring devices (measurement sensors) that can be worn by an individual, wherein the wearable device is convenient to carry around and can be easily used regardless of time and place, and is configured to obtain six electrocardiogram lead signals through two limb lead signals which are measured at the same time.
The electrocardiogram measurement apparatus includes: two amplifiers for receiving electrocardiogram signals from a first electrode and a second electrode; one electrode driving unit; a third electrode for receiving an output of the electrode driving unit; an A/D converter connected to an output terminal of each of the two amplifiers and converting analog signals into digital signals; a microcontroller for receiving the digital signals from the A/D converter; and a communication means for transmitting the digital signal, wherein: the microcontroller is supplied with power from a battery; the microcontroller controls the A/D converter and the communication means; and each of the two amplifiers amplifies one electrocardiogram signal so as to simultaneously measure two electrocardiogram signals.
The present invention relates to an electrocardiogram measurement system using a wearable device, comprising a photoplethysmograph, and an electrocardiograph provided in a wearable device or an electrocardiograph which can be separated from the wearable device and carried, wherein the photoplethysmograph comprises a photoplethysmogram measurement circuit comprising an LED and a photodiode, an AD converter connected to an output terminal of the photoplethysmogram measurement circuit, for converting an analog signal to a digital signal, a wireless communication means for transmitting and receiving data, and a microcontroller for measuring photoplethysmogram, the microcontroller extracts photoplethysmogram parameters by analyzing the measured photoplethysmogram, determines generation of an alarm by using the extracted photoplethysmogram parameters, and generates an alarm on the basis of the determination result, and the electrocardiograph comprises three dry electrocardiogram measurement electrodes and two amplifiers for amplifying two electrocardiogram signals induced at two electrocardiogram electrodes out of the three electrocardiogram electrodes.
A portable complex sensor device for measuring multiple items of biometric information, according to the present invention, comprises: a plurality of electrodes for receiving the biometric information; a plurality of biometric information measuring circuits for measuring the biometric information received from the plurality of electrodes; a plurality of current sensors which are always supplied with power so as to sense electric current when an object to be measured contacts the electrodes; a wireless communication means for transmitting and receiving data to and from a smart phone; and a microcontroller for controlling the power supply of a battery by being operated in a sleep mode or an active mode on the basis of whether the current sensors have sensed the electric current.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A portable complex sensor device for measuring multiple items of biometric information, according to the present invention, comprises: a plurality of electrodes for receiving the biometric information; a plurality of biometric information measuring circuits for measuring the biometric information received from the plurality of electrodes; a plurality of current sensors which are always supplied with power so as to sense electric current when an object to be measured contacts the electrodes; a wireless communication means for transmitting and receiving data to and from a smart phone; and a microcontroller for controlling the power supply of a battery by being operated in a sleep mode or an active mode on the basis of whether the current sensors have sensed the electric current.
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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