Korea Electronics Technology Institute

Kunnyun Kim

Kwang Bum Park

Won Hyo Kim

Yeon Hwa Kwak

Yeonhwa Kwak

Wion Hyo Kim

Hae Kwan Oh

Wonhyo Kim

Kwangbum Park

A gesture detection system is disclosed. The gesture detection system includes a gesture detection sensor including a base sheet formed of a skin-conformable material, to be tightly attached to a skin, a sensing part formed at the base sheet, to measure deformation of the skin, and an electrode pattern formed at the base sheet and connected, at one end thereof, to the sensing part, to transmit an electrical signal varying in accordance with the deformation of the skin, a reader module connected to the gesture detection sensor, to read the electrical signal, and a computing device configured to receive the electrical signal from the reader module, thereby recognizing a gesture of the user. Through disposable use of the gesture detection sensor and multiple use of the reader module and the computing device, a hygienic gesture input environment may be provided to a plurality of users at low cost.

Gesture detection sensor, reader module, and gesture detection system

An electronic device according to an embodiment of the present invention may include a display configured to display a first screen; a force direction sensing unit configured to detect a force direction of a contact applied to one point by an external object; and a control unit configured to sense an occurrence of a predetermined event to logically divide the display into at least two regions including a first region and a second region, acquire a force direction of a first contact associated with the predetermined event from the force direction sensing unit, determine a region from among the at least two regions to display the first screen according to the force direction of the first contact, and display the first screen on the determined region.

Electronic device and a control method thereof

The described technology relates to a wearable electronic device. The wearable electronic device may include a touch display, a rim surrounding the touch display, a rim touch sensor disposed on at least a portion of the rim, a band portion that allows the wearable electronic device to be worn on a user's wrist, and a control unit configured to receive a rim touch on the rim through the rim touch sensor and generate a control signal for controlling the wearable electronic device based on at least one of attributes of the rim touch.

Wearable electronic device

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.

User movement monitoring method and system performing the same

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.

User state monitoring method and system performing the same

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.

Wearable wrist device and method of detecting a physical change in the epidermis and wirelessly inputting sensor information using the same

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.

Multispectral optical sensor and method of manufacturing the same

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.

Flexible tactile sensor and method for manufacturing the same

An electronic device according to an embodiment of the present invention may include a flexible display configured to display a first screen in a first state; a force direction sensing unit configured to sense a force direction of a contact applied to one point by an external object; and a control unit configured to sense an occurrence of a specific data reception event, when the flexible display is changed from the first state to a second state, display a second screen including first information of a first group including information regarding the specific data reception event on the flexible display, and when a force direction of a first contact is acquired in the second state through the force direction sensing unit, display a third screen including second information of the first group including the information regarding the specific data reception event on the flexible display or simultaneously display the second screen and the third screen on the flexible display based on the force direction of the first contact.

An electronic device according to an embodiment of the present invention may include: a flexible display; a bending sensing unit configured to sense a first bending and a second bending of the flexible display; and a control unit configured to execute a first function based on a first sensing result of the first bending from the bending sensing unit, and execute a second function based on a second sensing result of the second bending from the bending sensing unit, in which, when the first bending and the second bending correspond to a first predetermined condition, the control unit executes a third function based on the first bending and the second bending sensed by the bending sensing unit.

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.

Oscillation circuit including an ultraviolet sensor

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.

Smart bed and user state monitoring system and user state monitoring method using the same

The present invention relates to a method for providing a user interface using a multi-point touch capable of immediately carrying out various user commands by changing the direction of force applied to two or more different points inside a touch area, and to an apparatus for same, wherein when contact on two or more different points inside the touch area is sensed, directions of force applied to the two or more points are detected while the contact to the two or more points is maintained when the contact on the two or more points is detected, and a predetermined user command is carried out according to a combination of the directions of force detected from the points.

Growing community of inventors

Yongin-si, South Korea

Kunnyun Kim