Abstract: This application relates to a pressure sensor array for urodynamic testing capable of simultaneously measuring bladder pressure, prostate pressure, and urethral pressure, and to a test apparatus including the pressure sensor array. In one aspect, the pressure sensor array for urodynamic testing is installed in a catheter and includes a base substrate having flexibility. The pressure sensor array may also include a bladder pressure sensor formed on a portion of the base substrate to be positioned in bladder and measuring bladder pressure. The pressure sensor array may further include a prostate pressure sensor formed on a portion of the base substrate to be positioned in prostate and measuring prostate pressure. The pressure sensor array may further include a urethral pressure sensor formed on a portion of the base substrate to be positioned in urethra and measuring urethral pressure.

Abstract: The described technology relates to a hand gesture recognition sensor. In one aspect, the hand gesture recognition sensor includes at least one strain unit configured to measure a physical change in an epidermis of a human body. The hand gesture recognition sensor also includes at least one bump unit located in a measurement direction of the at least one strain unit so as not to overlap the at least one strain unit, the at least one bump unit configured to amplify the physical change.

Abstract: Disclosed is A multiple times available drug concentration measuring apparatus including a sample input unit configured to allow a liquid drug sample to be introduced therethrough, a dilution unit configured to add a solvent to a portion of the liquid drug sample in order to dilute the liquid drug sample, a concentration measurement unit configured to measure the concentration of the liquid drug sample using a sensor, and a control unit configured to decide a dilution ratio of the liquid drug sample based on data received from the concentration measurement unit, to perform control such that the dilution unit dilutes the liquid drug sample according to the dilution ratio, and to calculate the concentration of the liquid drug sample based on the dilution ratio and the data received from the concentration measurement unit.

Abstract: Provided are a method and a system for monitoring a movement of a user. The system includes at least one wearable flexible tactile sensor configured to sense movement of a muscle or bending of a joint at a corresponding location and transmitting a sensed value. The system further includes a monitoring server configured to analyze movement of the muscle or the bending of the joint of the user based on the sensed value received from the flexible tactile sensor motility of the user.

Abstract: Provided is a system for monitoring a state of a user. The system includes a chair including a backrest and a seat plate, at least one flexible tactile sensor positioned in the back plate or seat plate and configured to sense a motion of a user who sits on the chair. The system further includes a monitoring apparatus configured to monitor the state of the user based on the sensed value received from at least one flexible tactile sensor.

Abstract: A wearable device is disclosed. In one embodiment, the device includes: a sensor array having a plurality of sensors each detecting a physical change in epidermis of a corresponding body area and a body movement determination unit configured to determine movement of a body part based on sensing signals respectively received from the plurality of sensors.

Abstract: The described technology relates to a hand gesture recognition sensor. In one aspect, the hand gesture recognition sensor includes at least one strain unit configured to measure a physical change in an epidermis of a human body. The hand gesture recognition sensor also includes at least one bump unit located in a measurement direction of the at least one strain unit so as not to overlap the at least one strain unit, the at least one bump unit configured to amplify the physical change.

Abstract: A multispectral optical sensor is disclosed. In one embodiment, the multispectral optical sensor includes a piezoelectric material, a first sensing layer and a second sensing layer spaced apart from each other on the piezoelectric material and configured to change the propagation speed of the acoustic wave propagated through the piezoelectric material by receiving ultraviolet light and visible light, respectively. The multiple optical sensor further includes a first acoustic wave output part and a second acoustic wave output part disposed on the piezoelectric material respectively corresponding to the first and second sensing layers and configured to generate an electrical signal based on the changed acoustic wave. The multiple optical sensor measures the intensity of ultraviolet and visible light using a single sensor by detecting the change in frequency, and measures the frequency change in the acoustic wave using zinc oxide, gallium nitride), or cadmium sulfide nanoparticles.

Abstract: Provided are a flexible tactile sensor and a method for manufacturing the same. The flexible tactile sensor includes a polymer layer, a first metal layer formed over the polymer layer and a first sensor layer formed over the first metal layer, the first sensor layer comprising a strain gauge configured to change its resistance according to a first strain and a metal wire connected to the strain gauge. The flexible tactile sensor also includes a first cover layer configured to protect the first sensor layer, a second metal layer formed under the polymer layer, a second sensor layer formed under the second metal layer. The second sensor layer includes a strain gauge configured to change its resistance according to a second strain and a metal wire connected to the strain gauge of the second metal layer and a second cover layer configured to protect the second sensor layer.

Abstract: Disclosed is a wearable device including a sensor array having a plurality of sensors each configured to detect a physical change in epidermis of a corresponding body area; and a body motion determination unit configured to determine movement of a body part based on sensing signals from the plurality of sensors, and determine whether the determined movement corresponds to one of at least one next motion which is able to be derived from a current motion state.

Abstract: An ultraviolet-ray (UV) sensor is disclosed. In one embodiment, the UV sensor includes a piezoelectric material, a sensing film arranged on the piezoelectric material and senses ultraviolet rays, an elastic wave input unit arranged on one end of the sensing film on the piezoelectric material and provides the sensing film with an elastic wave generated based on an electrical signal and an elastic wave output unit arranged on the other end of the sensing film on the piezoelectric material and senses a change in frequency of the electrical signal generated based on the provided elastic wave. The UV sensor improves sensitivity of the sensor by enabling the particles having large surface areas due to their characteristics to react with a larger amount of ultraviolet rays. the UV sensor can secure price competitiveness since the UV sensor measures a change in frequency of the elastic wave using zinc oxide (ZnO) nanoparticles.

Abstract: Provided is a smart bed for monitoring a state of a user. The smart bed includes a mattress including at least one flexible tactile sensor configured to sense a state of a user lying on the bed and a bed frame configured to support the mattress. The flexible tactile sensor is positioned below a specific portion of the user.

Abstract: Provided is a system for monitoring a state of a user. The system includes a chair including a backrest and a seat plate, at least one flexible tactile sensor positioned in the back plate or seat plate and configured to sense a motion of a user who sits on the chair. The system further includes a monitoring apparatus configured to monitor the state of the user based on the sensed value received from at least one flexible tactile sensor.

Abstract: Provided are a flexible tactile sensor and a method for manufacturing the same. The flexible tactile sensor includes a polymer layer, a first metal layer formed over the polymer layer and a first sensor layer formed over the first metal layer, the first sensor layer comprising a strain gauge configured to change its resistance according to a first strain and a metal wire connected to the strain gauge. The flexible tactile sensor also includes a first cover layer configured to protect the first sensor layer, a second metal layer formed under the polymer layer, a second sensor layer formed under the second metal layer. The second sensor layer includes a strain gauge configured to change its resistance according to a second strain and a metal wire connected to the strain gauge of the second metal layer and a second cover layer configured to protect the second sensor layer.

Abstract: Provided are a method and a system for monitoring a movement of a user. The system includes at least one wearable flexible tactile sensor configured to sense movement of a muscle or bending of a joint at a corresponding location and transmitting a sensed value. The system further includes a monitoring server configured to analyze movement of the muscle or the bending of the joint of the user based on the sensed value received from the flexible tactile sensor motility of the user.

Abstract: Provided is a smart bed for monitoring a state of a user. The smart bed includes a mattress including at least one flexible tactile sensor configured to sense a state of a user lying on the bed and a bed frame configured to support the mattress. The flexible tactile sensor is positioned below a specific portion of the user.

Abstract: A multispectral optical sensor is disclosed. In one embodiment, the multispectral optical sensor includes a piezoelectric material, a first sensing layer and a second sensing layer spaced apart from each other on the piezoelectric material and configured to change the propagation speed of the acoustic wave propagated through the piezoelectric material by receiving ultraviolet light and visible light, respectively. The multiple optical sensor further includes a first acoustic wave output part and a second acoustic wave output part disposed on the piezoelectric material respectively corresponding to the first and second sensing layers and configured to generate an electrical signal based on the changed acoustic wave. The multiple optical sensor measures the intensity of ultraviolet and visible light using a single sensor by detecting the change in frequency, and measures the frequency change in the acoustic wave using zinc oxide, gallium nitride), or cadmium sulfide nanoparticles.

Abstract: A wearable device is disclosed. In one embodiment, the device includes: a sensor array having a plurality of sensors each detecting a physical change in epidermis of a corresponding body area and a body movement determination unit configured to determine movement of a body part based on sensing signals respectively received from the plurality of sensors.

Abstract: An ultraviolet-ray (UV) sensor is disclosed. In one embodiment, the UV sensor includes a piezoelectric material, a sensing film arranged on the piezoelectric material and senses ultraviolet rays, an elastic wave input unit arranged on one end of the sensing film on the piezoelectric material and provides the sensing film with an elastic wave generated based on an electrical signal and an elastic wave output unit arranged on the other end of the sensing film on the piezoelectric material and senses a change in frequency of the electrical signal generated based on the provided elastic wave. The UV sensor improves sensitivity of the sensor by enabling the particles having large surface areas due to their characteristics to react with a larger amount of ultraviolet rays. the UV sensor can secure price competitiveness since the UV sensor measures a change in frequency of the elastic wave using zinc oxide (ZnO) nanoparticles.

Abstract: Disclosed is a wearable device including a sensor array having a plurality of sensors each configured to detect a physical change in epidermis of a corresponding body area; and a body motion determination unit configured to determine movement of a body part based on sensing signals from the plurality of sensors, and determine whether the determined movement corresponds to one of at least one next motion which is able to be derived from a current motion state.