Abstract: A garment folding machine includes: a frame unit defining an external framework of the garment folding machine, a loading unit configured to receive a garment, a folding unit configured to convey and fold the received garment, and an unloading unit configured to collect the garment from the folding unit. The folding unit comprises a plurality of folding layers that are spaced apart from each other in a vertical direction, where each of the plurality of folding layers includes a conveyor configured to convey the garment, and a conveyor motor configured to provide driving power to the conveyor. A first conveyor motor is configured to, based on the garment being positioned over two or more adjacent conveyors of the plurality of folding layers, operate at a first rotational speed that is different from a second rotational speed of a second conveyor motor disposed above the first conveyor motor.

Abstract: Embodiments relate to a polishing pad, which comprises a window having a hardness similar to that of its polishing layer. Since the polishing pad comprises a window having a hardness and a polishing rate similar to those of its polishing layer, it can produce an effect of preventing scratches on a wafer during a CMP process. In addition, the polishing layer and the window of the polishing pad have a similar rate of change in hardness with respect to temperature, so that they can maintain a similar hardness despite a change in temperature during the CMP process.

Abstract: The present disclosure relates to a method of controlling a garment folding machine, which may effectively prevent damage to a drive motor and a loss of power caused by an overload of the drive motor by accurately detecting and determining a situation in which garments are lumped during a process of conveying or folding the garments, may effectively prevent damage to the lumped garments and related components, and may significantly reduce the time for which the operation of the folding machine is stopped by accurately specifying the position at which the garments are lumped and then notifying a user of the position to allow the user to take an immediate action.

Abstract: Disclosed are a flexible strain sensor and a method for manufacturing the same. A conductive line pattern is directly printed on a flexible substrate by jetting a printing material mixture of metal nanoparticles and CNTs at a high impact speed, and sandwiched between the flexible substrate and a flexible cover. The mixture is excited by aerodynamically controlling pumping timing and jetted onto the flexible substrate in an aerosolized state through a nozzle. The jetted mixture collides with the surface of the flexible substrate to create cracks, and then CNTs penetrate into the cracks and are mechanically locked with the flexible substrate. Subsequently, metal nanoparticles and CNTs are deposited thereon to a predetermined width and height, forming the conductive line pattern. This direct printing can be performed in a low pressure and at room temperature without using solvents or resins, thus no need for additional chemical post-treatment or heat treatment.

Abstract: A garment folding machine includes: a frame unit defining an external framework of the garment folding machine, a loading unit configured to receive a garment, a folding unit configured to convey and fold the received garment, and an unloading unit configured to collect the garment from the folding unit. The folding unit comprises a plurality of folding layers that are spaced apart from each other in a vertical direction, where each of the plurality of folding layers includes a conveyor configured to convey the garment, and a conveyor motor configured to provide driving power to the conveyor. A first conveyor motor is configured to, based on the garment being positioned over two or more adjacent conveyors of the plurality of folding layers, operate at a first rotational speed that is different from a second rotational speed of a second conveyor motor disposed above the first conveyor motor.

Abstract: A lighting device may include a light irradiation portion, a main control module, and a second connector. The light irradiation portion may generate and irradiates light. The light control portion may control power applied to the light irradiation portion. The main control module may include an antenna to communicate with an external device by a wireless communication and control the light control portion according to a control signal from the external device. The second connector may be provided in the main control module and may connect the main control module and the light control portion by a wired communication. The second connector may include a first printed circuit board having a mode pin (for determining a control mode of the light control portion) and a power pin (for supplying power from the light control portion to the main control module), and a second printed circuit board having a control pin (for supplying a control signal from the main control module to the light control portion).

Abstract: A lighting device may include a light irradiation portion, a main control module, and a second connector. The light irradiation portion may generate and irradiates light. The light control portion may control power applied to the light irradiation portion. The main control module may include an antenna to communicate with an external device by a wireless communication and control the light control portion according to a control signal from the external device. The second connector may be provided in the main control module and may connect the main control module and the light control portion by a wired communication. The second connector may include a first printed circuit board having a mode pin (for determining a control mode of the light control portion) and a power pin (for supplying power from the light control portion to the main control module), and a second printed circuit board having a control pin (for supplying a control signal from the main control module to the light control portion).

Abstract: Provided is a lighting device. The lighting device includes a light emitting diode (LED) printed circuit board (PCB) on which LED devices for emitting light are disposed, the LED PCB controlling an operation of each of the LED devices, a converter PCB for supplying power into the LED PCB, a housing having a space in which the LED PCB is accommodated, the housing having a heat dissipation structure, a communication module disposed under the LED PCB, the communication module allowing the lighting device to communicate with an external device, and a signal receiving unit connected to the communication module, the signal receiving unit being disposed on the LED PCB. The LED PCB may have a through hole through which an upper end of the communication module passes, and the signal receiving unit is coupled to the upper end of the communication module passing through the through hole.

Abstract: A lighting system includes: a plurality of lighting devices each including one or more light emitting units; and an integrated control module; and an integrated control module that communicates with the wearable device with at least one camera, receives an image of a user's eye captured by the camera, detects a pupil image based on the image, and controls the number of lighting devices to be activated among the plurality of lighting devices based on the pupil image.

Abstract: Provided is a lighting device. The lighting device includes a light emitting diode (LED) printed circuit board (PCB) on which LED devices for emitting light are disposed, the LED PCB controlling an operation of each of the LED devices, a converter PCB for supplying power into the LED PCB, a housing having a space in which the LED PCB is accommodated, the housing having a heat dissipation structure, a communication module disposed under the LED PCB, the communication module allowing the lighting device to communicate with an external device, and a signal receiving unit connected to the communication module, the signal receiving unit being disposed on the LED PCB. The LED PCB may have a through hole through which an upper end of the communication module passes, and the signal receiving unit is coupled to the upper end of the communication module passing through the through hole.

Abstract: A lighting system includes: a plurality of lighting devices each including one or more light emitting units; and an integrated control module; and an integrated control module that communicates with the wearable device with at least one camera, receives an image of a user's eye captured by the camera, detects a pupil image based on the image, and controls the number of lighting devices to be activated among the plurality of lighting devices based on the pupil image.

Abstract: A time to digital converter having a hierarchical structure is provided. The time to digital converter includes: a plurality of delay stages for sequentially delaying a first signal for a specific delay time; a plurality of flip-flops for comparing delay signals of the first signal delayed by the delay stages with a second signal, and generating different outputs before and after a phase difference between the delay signals of the first signal and the second signal becomes smaller than a resolution of the phase detector; a selection signal generator for generating a selection signal for selecting a signal most similar to the second signal among the delay signals of the first signal from the outputs of the flip-flops; and a Multiplexer (MUX) for receiving the delay signals of the first signal and the selection signal, and outputting the signal most similar to the second signal among the delay signals of the first signal.

Abstract: A time to digital converter having a hierarchical structure is provided. The time to digital converter includes: a plurality of delay stages for sequentially delaying a first signal for a specific delay time; a plurality of flip-flops for comparing delay signals of the first signal delayed by the delay stages with a second signal, and generating different outputs before and after a phase difference between the delay signals of the first signal and the second signal becomes smaller than a resolution of the phase detector; a selection signal generator for generating a selection signal for selecting a signal most similar to the second signal among the delay signals of the first signal from the outputs of the flip-flops; and a Multiplexer (MUX) for receiving the delay signals of the first signal and the selection signal, and outputting the signal most similar to the second signal among the delay signals of the first signal.