Abstract: The present invention relates to a tactile message providing method and a tactile message providing device. Embodiments of the present invention provide a tactile message providing method for a tactile sense in a mobile communication terminal device, the method including: (a) driving a tactile message program; (b) receiving a tactile pattern; (c) converting the tactile pattern into a pattern signal; and (d) transmitting the pattern signal to a reception terminal device, wherein the tactile message program includes a tactile pattern input window or a tactile switch icon for switching a text input window to a tactile pattern input window, wherein the pattern signal is a signal capable of transmitting tactile information by operating a tactile delivery unit of the reception terminal device.

Abstract: An electronic device and a power control method of an electronic device are provided.

Abstract: Disclosed herein is a method of operating a data management apparatus. The method may include segmenting, by a client device, data into multiple data blocks, generating, by the client device, tags corresponding to the multiple data blocks, generating, by the client device, a representative value by accumulating the tags, generating, by the client device, a client signature value by signing the representative value and a counter value corresponding to the last updated data block, among the multiple data blocks, and transmitting, by the client device, the data and the client signature value to a server.

Abstract: One embodiment provides a multi-directional actuating module capable of moving in various directions and capable of delivering various tactile senses such as knocking or rubbing as well as vibration by controlling at least one of the intensity, direction or frequency of a magnetic field generation unit. Further, the multidirectional actuating module according to one embodiment may comprise: a moving body capable of moving in at least two or more axial directions by means of an external magnetic field; a support for supporting the moving body so as to be movable; and at least two or more magnetic field generation units which are in the form of a coil to generate the magnetic field.

Abstract: A motor for sensing a rotor location is provided, the motor comprising a shaft, a sensing magnet including a main magnet and a sub-magnet coupled to the shaft and a substrate disposed on the sensing magnet. The substrate includes a plurality of first hall sensors and a plurality of second hall sensors spaced apart from the shaft by a first distance, and a plurality of third hall sensors and a plurality of fourth hall sensors spaced apart from the shaft by a second distance larger than the first distance.

Abstract: In the present invention, by providing an apparatus for securing data comprising a memory for storing information for data processing, a processor configured to partition original data into a plurality of partial data and generate a plurality of divided data by randomly determining positions of each of the plurality of partial data within the original data, and a communication interface configured to transmit each of the plurality of divided data to each of a plurality of servers, respectively, if an attacker obtains a portion of the divided data, it prevents the entire original data from being restored, and the legitimate user can restore the original data accurately even if some divided data is corrupted, and provides an efficient data polymorphic dividing technique that can minimize the amount of calculation required to secure data.

Abstract: An optical device is provided in the present application. The present application provides an optical device capable of varying transmittance, and such optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.

Abstract: The present invention relates to a sentinel lymph node marker comprising an albumin; a radioactive isotope and/or near infrared dye which is bound to the albumin; and a visible dye which is bound to the albumin, a preparation method thereof, and a kit for multimode imaging of a sentinel lymph node to prepare the sentinel lymph node marker. The sentinel lymph node marker of the invention remains in the sentinel lymph node for a long period of time and allows for multimode imaging of the sentinel lymph node. Thus, using this marker the sentinel lymph node can be accurately identified in vivo by near infrared imaging and/or gamma imaging without incision of skin, and the location of the identified sentinel lymph node can be precisely identified with the naked eye during a surgical operation of removing the identified sentinel lymph node.

Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a first orientation state and a second orientation state different from the first orientation state under an applied voltage, the first and second polymer film substrates have an in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.

Abstract: The present invention relates to a tactile message providing method and a tactile message providing device. Embodiments of the present invention provide a tactile message providing method for a tactile sense in a mobile communication terminal device, the method including: (a) driving a tactile message program; (b) receiving a tactile pattern; (c) converting the tactile pattern into a pattern signal; and (d) transmitting the pattern signal to a reception terminal device, wherein the tactile message program includes a tactile pattern input window or a tactile switch icon for switching a text input window to a tactile pattern input window, wherein the pattern signal is a signal capable of transmitting tactile information by operating a tactile delivery unit of the reception terminal device.

Abstract: The present application relates to a light modulating device and an eyewear. The present application can provide a light modulation device having both excellent mechanical properties and optical properties by applying a polymer film that is also optically anisotropic and mechanically anisotropic to a substrate.

Abstract: A method for secure distributed data management for dynamic data includes segmenting original data into multiple pieces, generating state information pertaining to row-based data configured with data blocks, and generating additional information for recovering the state information and the row-based data. The data blocks, corresponding to the segmented data, are stored in data servers, and each of the data servers stores data blocks selected at an interval corresponding to the number of data servers in order to store the segmented data.

Abstract: Disclosed is a flexible tactile actuator including a tactile transmitter configured to be flexible and including magnetic particles capable of being polarized in response to an external magnetic field and a matrix layer including the magnetic particles, a magnetic field generator disposed below the tactile transmitter and configured to generate a magnetic field in the tactile transmitter, and an elastic member provided in a shape of a film, having at least a portion in surface contact with the magnetic field generator, and attached to be in surface contact with one of a top surface and a bottom surface of the tactile transmitter.

Abstract: A system provides bi-manual game-based integrative therapy combining cognitive training with mild upper body physical exercising during game play. The system includes a pair of interfaces tracking a user's arms in 3D and detect trigger pressing. Custom therapeutic game controllers that detect grasping force, finger extension, 3D hand position, skin temperature and pulse may be used. Using one of these interfaces the patient plays a series of custom games displayed on a laptop, medical grade workstation, or other computer platform. The whole therapeutic system may be integrated on a medical cart, so to make the system mobile and easier to place in a clinical setting. Games were designed to improve motor control, shoulder strength, finger and arm range of motion, task sequencing, focusing, decision making (executive function), short term and long term visual/auditory memory, and were progressed in difficulty over 6 to 8 weeks of therapy. This therapy reduces depression.

Abstract: A reflectance-variable mirror using a liquid crystal cell is disclosed herein. In an embodiment, the reflectance-variable mirror may comprise a first liquid crystal cell including a guest host liquid crystal layer, a first reflective polarizing film, a second liquid crystal cell including a retardation-variable liquid crystal layer, a second reflective polarizing film and an absorbing plate sequentially. The reflectance-variable mirror can realize excellent reflectance-variable characteristics by lowering the reflectance in an antireflection mode.

Abstract: One embodiment provides a multi-directional actuating module capable of moving in various directions and capable of delivering various tactile senses such as knocking or rubbing as well as vibration by controlling at least one of the intensity, direction or frequency of a magnetic field generation unit. Further, the multidirectional actuating module according to one embodiment may comprise: a moving body capable of moving in at least two or more axial directions by means of an external magnetic field; a support for supporting the moving body so as to be movable; and at least two or more magnetic field generation units which are in the form of a coil to generate the magnetic field.

Abstract: The present application relates to an optical element, a driving method of the optical element, a transmittance-variable device and a use thereof. In one example, the present application may provide a driving method suppressing a back-flow phenomenon caused by a bulk liquid crystal compound even when a cell gap of a liquid crystal layer becomes thick. The driving method may ensure excellent response speeds and driving characteristics.

Abstract: An acoustic resonator includes a substrate, an insulation layer disposed on the substrate, a resonating portion disposed on the insulation layer and having a first electrode, a piezoelectric layer, and a second electrode, stacked thereon, a cavity disposed between the insulation layer and the resonating portion, a protruded portion having a plurality of protrusions disposed on a lower surface of the cavity, and a hydrophobic layer disposed on an upper surface of the cavity and a surface of the protruded portion.

Abstract: In a method of manufacture, a displacement sensor is provided over a conditioner disk. The conditioner disk is rotated to perform a conditioning process on a polishing surface of a polishing pad. A displacement of the rotating conditioner disk is detected using the displacement sensor during the conditioning process. A height of the conditioner disk is calculated from the detected displacement. An end point of the conditioning process is determined on the polishing surface based on the calculated height.

Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a first orientation state and a second orientation state when a voltage is applied, and a polarizer, wherein each of the first and second polymer film substrates have in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.