Abstract: A light detection and ranging (lidar) device includes: a lower base; an upper base; a laser emitting unit for emitting a laser in a form of a point light source; a nodding mirror for transforming the laser in the form of the point light source to a line beam pattern which is perpendicular to the lower base, wherein the nodding mirror reflects the laser emitted from the laser emitting unit; a polygonal mirror for transforming the line beam pattern to a plane beam pattern and receiving a laser reflected from an object; and a sensor unit for receiving the laser reflected from the object via the polygonal mirror.

Abstract: The present invention relates to a light detecting and ranging (LiDAR) device for obtaining information on a distance from an object using laser light.

Abstract: An electronic device structure having a shielding structure includes a substrate with an electronic component electrically connected to the substrate. The shielding structure includes conductive spaced-apart pillar structures that have proximate ends connected to the substrate and distal ends spaced apart from the substrate, and that are laterally spaced apart from the first electronic component. In one embodiment, the conductive pillar structures are conductive wires attached at one end to the substrate with an opposing end extending away from the substrate so that the conductive wires are provided generally perpendicular to the substrate. A package body encapsulates the electronic component and the conductive spaced-apart pillar structures. In one embodiment, the shielding structure further includes a shielding layer disposed adjacent to the package body, which is electrically connected to the conductive spaced-apart pillar structures.

Abstract: A head mount wearable device is provided. The housing includes a first surface and a second surface, in which the first surface faces the face of a user and the second surface is opposite to the first surface when a user wears the head mount wearable device, a pair of lenses disposed inside at least one opening formed through the housing from the first surface to the second surface, at least one mounting member connected to the housing and configured to be worn by a user where the pair of lenses are positioned in front of the eyes of a user, and a holder assembly formed on the second surface or close to the second surface to hold a mobile device including a display and holding the mobile device where the display of the mobile device faces the opening.

Abstract: Embodiments include a method for manufacturing a hot-rolled coil and a method for correcting the shape of a hot-rolled coil. In one embodiment, the method for manufacturing the hot-rolled coil includes the steps of: reheating a steel slab comprising 0.18 to 0.56 wt % carbon (C), 0.1 to 0.5 wt % silicon (Si), 0.7 to 6.5 wt % manganese (Mn), more than 0 wt % but not more than 0.02 wt % phosphorus (P), more than 0 wt % but not more than 0.02 wt % sulfur (S), more than 0 wt % but not more than 0.3 wt % chromium (Cr), more than 0 wt % but not more than 0.004 wt % boron (B), 0.01 to 0.04 wt % titanium (Ti), and the remainder being iron (Fe) and other inevitable impurities; hot-rolling the steel slab at a finishing mill delivery temperature of 850° C. to 950° C., thereby forming a hot-rolled sheet; and cooling the hot-rolled sheet, followed by coiling at a coiling temperature of 700° C. or higher.

Abstract: A head mount wearable device is provided. The housing includes a first surface and a second surface, in which the first surface faces the face of a user and the second surface is opposite to the first surface when a user wears the head mount wearable device, a pair of lenses disposed inside at least one opening formed through the housing from the first surface to the second surface, at least one mounting member connected to the housing and configured to be worn by a user where the pair of lenses are positioned in front of the eyes of a user, and a holder assembly formed on the second surface or close to the second surface to hold a mobile device including a display and holding the mobile device where the display of the mobile device faces the opening.

Abstract: A head mounted display device is provided. The head mounted display device includes a main frame including a lens, a front case including a seating area in which an electronic device is seated, a peripheral area that surrounds at least a portion of a periphery of the electronic device, a connector holder that is horizontally movable from one side of the peripheral area and that is electrically connected to a connection port of the electronic device while surrounding at least a portion of one side of the electronic device when the electronic device is mounted, and a fixing holder that is horizontally movable from one side of the peripheral area and that surrounds a portion of an opposite side surface of the electronic device when the electronic device is mounted.

Abstract: A head mounted display device is provided. A head mounted display device includes a main frame including surface formed to face a facial side of a user and an opposite surface on which an external electronic device is mounted; a connecting device connected to the main frame; and a support part connected to the connecting device that fixes the head mounted display device to the facial side of the user. At least a portion of a surface of the connecting device, which is connected to the support part, forms an angle with a direction in which the main frame faces the facial side of the user.

Abstract: A head mounted display device is provided. A head mounted display device includes a main frame including surface formed to face a facial side of a user and an opposite surface on which an external electronic device is mounted; a connecting device connected to the main frame; and a support part connected to the connecting device that fixes the head mounted display device to the facial side of the user. At least a portion of a surface of the connecting device, which is connected to the support part, forms an angle with a direction in which the main frame faces the facial side of the user.

Abstract: A head mounted display device is provided. The head mounted display device includes a main frame including a lens, a front case including a seating area in which an electronic device is seated, a peripheral area that surrounds at least a portion of a periphery of the electronic device, a connector holder that is horizontally movable from one side of the peripheral area and that is electrically connected to a connection port of the electronic device while surrounding at least a portion of one side of the electronic device when the electronic device is mounted, and a fixing holder that is horizontally movable from one side of the peripheral area and that surrounds a portion of an opposite side surface of the electronic device when the electronic device is mounted.

Abstract: If surface defects, near surface defects, or internal defects of a ferromagnetic substance object, a paramagnetic substance object, or a mixture object of ferromagnetic and paramagnetic substances are not quantitatively analyzed, the detected results can be differently analyzed depending on the knowledge or skill of an inspector. A defect detection apparatus according to an exemplary embodiment of the present invention includes an induced current applier, a magneto-electric converter, a signal processor, a signal converter, and a data processor. The induced current applier applies a line or surface current to an object that is to be measured by using an alternating current (AC) having a frequency varying depending on a depth to be measured. The magneto-electric converter senses a magnetic field generated from the object by the Hn e or surface current and generates a magnetic field sensing signal corresponding to a strength of the sensed magnetic field.

Abstract: If surface defects, near surface defects, or internal defects of a ferromagnetic substance object, a paramagnetic substance object, or a mixture object of ferromagnetic and paramagnetic substances are not quantitatively analyzed, the detected results can be differently analyzed depending on the knowledge or skill of an inspector. A defect detection apparatus according to an exemplary embodiment of the present invention includes an induced current applier, a magneto-electric converter, a signal processor, a signal converter, and a data processor. The induced current applier applies a line or surface current to an object that is to be measured by using an alternating current (AC) having a frequency varying depending on a depth to be measured. The magneto-electric converter senses a magnetic field generated from the object by the Hn e or surface current and generates a magnetic field sensing signal corresponding to a strength of the sensed magnetic field.