Abstract: The present invention provides a correction steel sheet for quickly and accurately correcting the sensitivity of a sensor during hardness measurement in which a sudden signal change does not occur. In one embodiment, the correction steel sheet is a steel sheet having a long side and a short side and is used for correcting a sensor and includes a first part having a first hardness and a second part having a second hardness greater than the first hardness. The first part and the second part are arranged at different positions in a short side direction, and have phases changed from austenite grains of the same composition.

Abstract: The steel plate material property testing device determining a material property of a surface of the steel plate by generating the eddy current in the steel plate includes: an eddy current tester disposed so as to face the steel plate; and a frame to which the eddy current tester is fixed, in which the eddy current tester includes: a coil disposed so as to form an alternating-current (AC) magnetic field in only one direction; an AC power supply unit connected to the coil; a sensor unit connected to the coil; and a material property determination unit connected to the sensor unit and determining the material property of the steel plate based on a measured signal obtained through the sensor unit.

Abstract: There are provided a rainwater filtering device and a monitoring system therefor. The rainwater filtering device includes: a filtering unit including a strainer therein; a first overflow preventing unit supported by a compression rod and installed above the filtering unit; a pre-treating unit installed in front of an inlet of the filtering unit in order to pre-treat rainwater introduced into the filtering unit; and a second overflow preventing unit supported by a compression rod and installed above the pre-treating unit.

Abstract: There are provided a rainwater runoff contaminant filtration apparatus and a monitoring system therefor.

Abstract: A method for refining a magnetic domain of a grain-oriented electrical steel strip is provided, including a steel strip supporting roll position adjusting step of controlling a position of the steel strip in a vertical direction while supporting the steel strip proceeding along a production line, a laser irradiating step of forming a groove on a surface of the steel strip by irradiating a laser beam onto the surface of the steel strip to melt the steel strip, and a detecting step of detecting a defect in the groove formed on the surface of the steel strip while the steel strip proceeds, so as to be able to detect whether the groove is defective by confirming a machining state of a magnetic domain refined groove formed on the surface of the steel strip in a working process.

Abstract: A grain-oriented electrical steel sheet includes a plurality of linear deformable portions formed on a surface of the electrical steel sheet in a rolling direction, wherein an interval between the deformable portions changes to correspond to a grain size of grains over the entire length of the steel sheet, and at least two regions in which intervals between the deformable portions are different exist.

Abstract: The present invention discloses flip-chip bonding method using an anisotropic adhesive polymer. The method includes applying an adhesive polymer solution containing metal particles dispersed therein onto a circuit substrate to form an adhesive polymer layer such that the adhesive polymer layer covers the metal particles; drying the adhesive polymer layer; and positioning an electronic element to be electrically connected to the circuit substrate on the dried adhesive polymer layer and causing dewetting of the polymer from the metal particles.

Abstract: There are provided a rainwater runoff contaminant filtration apparatus and a monitoring system therefor.

Abstract: A method and a device for controlling external data network use via a mobile Access Point (AP) are provided. A host device set as the mobile AP determines whether a data-less mode is set, blocks a client device from using the external data network via the mobile AP, if the data-less mode is set, and permits the client device to use the external data network via the mobile AP, if the data-less mode is released. A client device connected to a mobile AP determines whether a data-less mode is set for a host device set as the mobile AP, if the client device is connected to the host device in a state of being connected to a wireless data network, maintains the connection to the wireless data network, if the data-less mode is set, and releases the connection to the wireless data network, if the data-less mode is released.

Abstract: There are provided a rainwater filtering device and a monitoring system therefor. The rainwater filtering device includes: a filtering unit including a strainer therein; a first overflow preventing unit supported by a compression rod and installed above the filtering unit; a pre-treating unit installed in front of an inlet of the filtering unit in order to pre-treat rainwater introduced into the filtering unit; and a second overflow preventing unit supported by a compression rod and installed above the pre-treating unit.

Abstract: An apparatus for detecting inner defects of a steel plate comprises an all-defect detection unit for detecting all defects including surface defects present on the surface of the steel plate and inner defects present inside the steel plate by intensity of leakage flux, measured by generating magnetic flux in a strike direction of the steel plate; a surface defect detection unit for detecting surface defects by intensity of leakage flux, measured by generating magnetic flux in the thickness direction of the steel plate, for a predetermined detection region including all the defects detected by the all-defect detection unit; and a data processing unit for detecting only inner defects present in a detection region by excluding the detected surface defects from all the defects detected by the all-defect detection unit, for the detection region, thereby detecting only the inner defects of the steel plate.

Abstract: A method for refining a magnetic domain of a grain-oriented electrical steel strip is provided, including a steel strip supporting roll position adjusting step of controlling a position of the steel strip in a vertical direction while supporting the steel strip proceeding along a production line, a laser irradiating step of forming a groove on a surface of the steel strip by irradiating a laser beam onto the surface of the steel strip to melt the steel strip, and a detecting step of detecting a defect in the groove formed on the surface of the steel strip while the steel strip proceeds, so as to be able to detect whether the groove is defective by confirming a machining state of a magnetic domain refined groove formed on the surface of the steel strip in a working process.

Abstract: The present invention discloses flip-chip bonding method using an anisotropic adhesive polymer. The method includes applying an adhesive polymer solution containing metal particles dispersed therein onto a circuit substrate to form an adhesive polymer layer such that the adhesive polymer layer covers the metal particles; drying the adhesive polymer layer; and positioning an electronic element to be electrically connected to the circuit substrate on the dried adhesive polymer layer and causing dewetting of the polymer from the metal particles.

Abstract: Disclosed is an electronic device including: a display that displays screens; a processor that displays, on the display of the electronic device, presence information of one or more counterpart devices associated with a first communication service provided through a browser application, receives a user input for communication with the one or more counterpart devices, and displays, on the display, a second screen of the browser application providing a second communication service in response to the user input; a first module including a plurality of modules for providing the first communication service; a second module including a plurality of modules for providing a second communication service; and a control module that controls the first module and the second module.

Abstract: A method and a device for controlling external data network use via a mobile Access Point (AP) are provided. A host device set as the mobile AP determines whether a data-less mode is set, blocks a client device from using the external data network via the mobile AP, if the data-less mode is set, and permits the client device to use the external data network via the mobile AP, if the data-less mode is released. A client device connected to a mobile AP determines whether a data-less mode is set for a host device set as the mobile AP, if the client device is connected to the host device in a state of being connected to a wireless data network, maintains the connection to the wireless data network, if the data-less mode is set, and releases the connection to the wireless data network, if the data-less mode is released.

Abstract: A method and a device for controlling external data network use via a mobile Access Point (AP) are provided. A host device set as the mobile AP determines whether a data-less mode is set, blocks a client device from using the external data network via the mobile AP, if the data-less mode is set, and permits the client device to use the external data network via the mobile AP, if the data-less mode is released. A client device connected to a mobile AP determines whether a data-less mode is set for a host device set as the mobile AP, if the client device is connected to the host device in a state of being connected to a wireless data network, maintains the connection to the wireless data network, if the data-less mode is set, and releases the connection to the wireless data network, if the data-less mode is released.

Abstract: An aspect of the present disclosure may provide a defect detection apparatus and method for a steel plate, in which a defect in a steel plate may be detected, and particularly, only an inner defect in the steel plate may be detected, even with a relatively low amplification rate.

Abstract: Disclosed herein are an electronic device and a method executable therein. The electronic device includes a communication module, and a processor executing the method, which includes detecting the generation of a specific event, controlling the communication module to transmit a message to one or more other electronic devices located within a predetermined range, and control the communication module to communicate with the one or more other electronic devices based on a request from the one or more second electronic devices.

Abstract: A method and a device for controlling external data network use via a mobile Access Point (AP) are provided. A host device set as the mobile AP determines whether a data-less mode is set, blocks a client device from using the external data network via the mobile AP, if the data-less mode is set, and permits the client device to use the external data network via the mobile AP, if the data-less mode is released. A client device connected to a mobile AP determines whether a data-less mode is set for a host device set as the mobile AP, if the client device is connected to the host device in a state of being connected to a wireless data network, maintains the connection to the wireless data network, if the data-less mode is set, and releases the connection to the wireless data network, if the data-less mode is released.

Abstract: A method and a device for controlling external data network use via a mobile Access Point (AP) are provided. A host device set as the mobile AP determines whether a data-less mode is set, blocks a client device from using the external data network via the mobile AP, if the data-less mode is set, and permits the client device to use the external data network via the mobile AP, if the data-less mode is released. A client device connected to a mobile AP determines whether a data-less mode is set for a host device set as the mobile AP, if the client device is connected to the host device in a state of being connected to a wireless data network, maintains the connection to the wireless data network, if the data-less mode is set, and releases the connection to the wireless data network, if the data-less mode is released.