Abstract: A filtering method includes the following steps: receiving an sound signal; decomposing the sound signal into a primary lung sound signal and a reference heart sound signal; adjusting the reference heart sound signal according to a weighted value to generate an adjusted heart sound signal; and subtracting the adjusted heart sound signal from the primary lung sound signal to generate a filtered lung sound signal.

Abstract: An Electrocardiography (ECG) noise-filtering device is provided in the invention. The ECG device includes a filter and a calculation circuit. The filter receives a first ECG signal and performs a Savitzky-Golay algorithm to generate a second ECG signal. The calculation circuit is coupled to the filter to receive the second ECG signal and processes the second ECG signal according to a Stationary Wavelet Transform (SWT) algorithm to generate a noise signal, and subtracts the noise signal from the second ECG signal to filter the noise signal in the first ECG signal.

Abstract: An Electrocardiography (ECG) noise-filtering device is provided in the invention. The ECG device includes a filter and a calculation circuit. The filter receives a first ECG signal and performs a Savitzky-Golay algorithm to generate a second ECG signal. The calculation circuit is coupled to the filter to receive the second ECG signal and processes the second ECG signal according to a Stationary Wavelet Transform (SWT) algorithm to generate a noise signal, and subtracts the noise signal from the second ECG signal to filter the noise signal in the first ECG signal.

Abstract: A filtering method includes the following steps: receiving an sound signal; decomposing the sound signal into a primary lung sound signal and a reference heart sound signal; adjusting the reference heart sound signal according to a weighted value to generate an adjusted heart sound signal; and subtracting the adjusted heart sound signal from the primary lung sound signal to generate a filtered lung sound signal.

Abstract: A physiological signal processing method includes the following steps: receiving a plurality of ECG signals and user information; capturing the ECG signals; detecting the displacement state of the ECG monitoring device to obtain three-axis data; calculating the heart rate based on an ECG or the ECG signals, and calculating an activity amount based on the three-axis data; and generating an activity intensity based on the activity amount, the user information, and the heart rate.

Abstract: A heart rate meter and a method thereof are provided. The method is adopted by a sensing circuit of a heart rate meter, wherein the sensing circuit includes a pulse sensor and a proximity sensor. The method includes: determining whether the sensing circuit is close to a neighboring object according to a proximity output signal of the proximity sensor; determining whether the sensing circuit is hung in the air according to a direct current (DC) output signal of the pulse sensor; and when the sensing circuit is close to the neighboring object and is not hung in the air, determining that the measuring circuit can measure an electrocardiographic signal of the neighboring object.

Abstract: A power management method for a health care device is included. The method includes: detecting whether a smart garment is in contact with a user body; operating the health care device in a normal mode when the smart garment is in contact with the user body, or operating the health care device in a low-power mode when the smart garment is not in contact with the user body; and under the low-power mode, detecting whether the health care device is tapped to determine whether to transmit user health data to a user device.

Abstract: A physiological signal detection device has a battery disposed in the physiological signal detection device, a first input terminal, a second input terminal, and a charging detection terminal A physiological signal detection circuit generates a physiological signal according to a detection result of the first input terminal and the second input terminal A charging control circuit is electrically coupled to the first input terminal, the second input terminal and the charging detection terminal, wherein, when the first input terminal and the second input terminal are coupled to a power supply supplied by a charging device, the charging detection terminal receives a charging indication signal of the charging device and according to the charging indication signal the charging device is enabled so as to charge the battery with the power supply.

Abstract: A heart rate meter and a method thereof are provided. The method is adopted by a sensing circuit of a heart rate meter, wherein the sensing circuit includes a pulse sensor and a proximity sensor. The method includes: determining whether the sensing circuit is close to a neighboring object according to a proximity output signal of the proximity sensor; determining whether the sensing circuit is hung in the air according to a direct current (DC) output signal of the pulse sensor; and when the sensing circuit is close to the neighboring object and is not hung in the air, determining that the measuring circuit can measure an electrocardiographic signal of the neighboring object.

Abstract: A sleep detection system and method are provided. In the sleep detection system, a sensor device is configured to measure a heart rate of a user; a measuring device is configured to receive the heart rate, and measure an activity level of the user and calculate an energy-expenditure value according to the heart rate, the activity level and personal parameters of the user; and a receiving device is configured to receive the energy-expenditure value from the measuring device and generate a sleep analysis result according to the energy-expenditure and to display the sleep analysis result.

Abstract: A wearable device applied to a human body is provided. The wearable device includes at least one sensing electrode, a conductive wire, a monitor device, and a shield element. The sensing electrode receives a physiological signal from the human body. The sensing electrode is coupled through the conductive wire to the monitor device. The monitor device is configured to process the physiological signal. The shield element includes metal fiber composition. The shield element covers the sensing electrode and the conductive wire so as to avoid electrostatic interference. The shield element is at least partially exposed to the human body.

Abstract: A Bluetooth communication system includes a remote device, having a first Bluetooth module, and a user device, having a second Bluetooth module, and communicating with the remote device through the first Bluetooth module and the second Bluetooth module in a link state. When the remote device and the user device are over a communication range, the remote device enters an access state. In the access state, the first Bluetooth module re-communicates with the second Bluetooth module by a link back mode in a first time interval and a standby mode in a second time interval and when the remote device comes back with the communication range, the communication with the user device is recovered.

Abstract: A physiological signal detection device has a battery disposed in the physiological signal detection device, a first input terminal, a second input terminal, and a charging detection terminal A physiological signal detection circuit generates a physiological signal according to a detection result of the first input terminal and the second input terminal A charging control circuit is electrically coupled to the first input terminal, the second input terminal and the charging detection terminal, wherein, when the first input terminal and the second input terminal are coupled to a power supply supplied by a charging device, the charging detection terminal receives a charging indication signal of the charging device and according to the charging indication signal the charging device is enabled so as to charge the battery with the power supply.

Abstract: A power management method for a health care device is included. The method includes: detecting whether a smart garment is in contact with a user body; operating the health care device in a normal mode when the smart garment is in contact with the user body, or operating the health care device in a low-power mode when the smart garment is not in contact with the user body; and under the low-power mode, detecting whether the health care device is tapped to determine whether to transmit user health data to a user device.

Abstract: A Bluetooth communication system includes a remote device, having a first Bluetooth module, and a user device, having a second Bluetooth module, and communicating with the remote device through the first Bluetooth module and the second Bluetooth module in a link state. When the remote device and the user device are over a communication range, the remote device enters an access state. In the access state, the first Bluetooth module re-communicates with the second Bluetooth module by a link back mode in a first time interval and a standby mode in a second time interval and when the remote device comes back with the communication range, the communication with the user device is recovered.

Abstract: A sensing device for sensing blood of a finger includes a base, a transceiver, a first positioning element and a second positioning element. The base includes a first half portion and a second half portion. The transceiver includes a first transmission element disposed on the first half portion, a second transmission element disposed on the second half portion, and a signal transmitted from one of the first and second transmission elements to the other. The first and second positioning elements are respectively disposed on the first and second half portions. The second positioning element is detachably engaged to the first positioning element. When the finger is disposed between the first and second half portions and the first and second positioning elements are engaged, the finger is located between the first and second transmission elements, and signals transmitted between the first and second transmission elements passes through blood of the finger.

Abstract: This invention is related a biosensor for bone mineral density measurement, comprising a stimulating source; a transducer having antibodies against TRAP 5a, TRAP 5b or total TRAP (i.e. TRAP 5a+TRAP 5b) immobilized thereon; a signal detecting unit; and a signal processing unit; wherein the TRAP refers to tartrate-resistant acid phosphatase (TRAP). The method for bone mineral density measurement disclosed in this invention is detecting the concentration or activity of TRAP, TRAP 5a and TRAP 5b in blood by using the biosensor described above. Accordingly, the method can monitor changes of the bone mineral density to prevent osteoporosis.

Abstract: This invention is related a biosensor for bone mineral density measurement, comprising a stimulating source; a transducer having antibodies against TRAP 5a, TRAP 5b or total TRAP (i.e. TRAP 5a+TRAP 5b) immobilized thereon; a signal detecting unit; and a signal processing unit; wherein the TRAP refers to tartrate-resistant acid phosphatase (TRAP). The method for bone mineral density measurement disclosed in this invention is detecting the concentration or activity of TRAP, TRAP 5a and TRAP 5b in blood by using the biosensor described above. Accordingly, the method can monitor changes of the bone mineral density to prevent osteoporosis.