Portable complex sensor device for measuring multiple items of biometric information, and measurement method

A portable complex sensor device for measuring a plurality of pieces of biometric information, the portable complex sensor device comprising:

• a plurality of biometric information measurement circuit units configured to measure the plurality of pieces of biometric information;
• a plurality of input terminal sets configured to allow each of the plurality of biometric information measurement circuit units to receive an input signal;
• a plurality of current sensors configured such that, when a subject having biometric information is electrically connected to one of the plurality of input terminal sets, a current flows in the subject having biometric information through the electrically connected input terminal set, configured to generate an output signal when sensing the current, and supplied with power at all times;
• an AD converter connected to an output terminal of each of the biometric information measurement circuit units and configured to convert an analog signal into a digital signal;
• a wireless communication device configured to transmit or receive data to or from a mobile device;
• and
• a microcontroller configured to receive an output of the AD converter,
• wherein the microcontroller is supplied with power of a battery embedded in the portable complex sensor device,
• when the portable complex sensor device is not in use for biometric information measurement, the microcontroller operates in a sleep mode and the plurality of biometric information measurement circuit units, the AD converter, and the wireless communication device are powered off,
• the microcontroller operates in an active mode when receiving the output signal of the current sensor, and controls one of the plurality of biometric information measurement circuit units corresponding to the current sensor, the AD converter, and the wireless communication device to be powered on,
• the portable complex sensor device displays measured biometric information data on a screen of the mobile device, and
• the portable complex sensor device comprises a plurality of electrocardiogram electrodes and a blood test strip insertion hole at a case of the portable complex sensor device.