Abstract: Disclosed is a smart contact lens including a visible area, an outer ring area, a signal source, an antenna assembly, an induction coil, a high pass filter, an induction module, and a low pass filter. The outer ring area encircles the visible area. The signal source is disposed in the outer ring area. The antenna assembly is disposed in the outer ring area and connected to the signal source. The induction coil is disposed in the outer ring area and encircles the antenna assembly. The high pass filter is connected to the signal source and the induction coil. The induction module is disposed in the outer ring area. The low pass filter is connected to the induction coil and the induction module. The induction coil and the antenna assembly jointly resonate at an ultra-high frequency band, and the ultra-high frequency band is between 902 MHz and 928 MHz.

Abstract: A button assembly is adapted to be installed at a conductive casing. Two opposite sides of the conductive casing respectively have first and second openings, and the first opening is communicated with the second opening. The button assembly includes a conductive button, a first insulating sleeve, and a second insulating sleeve. The conductive button includes a button part corresponding to the first opening and a shaft part connected to the button part and passing through the second opening from the first opening. The first insulating sleeve includes a first shaft hole and a first lateral slit. The second insulating sleeve includes a second shaft hole and a second lateral slit. The first insulating sleeve is sleeved on the shaft part and located at the first opening. The second insulating sleeve is sleeved on the shaft part and located at the second opening. An electronic device is also provided.

Abstract: A hard disk bracket configured to be installed on a case includes a tray, a base, a handle, a pin, and a latch. The tray has an accommodating space. The base is connected to the tray. The handle is disposed in the base and has a first slide part detachably fastened with the base. The pin is disposed through the handle and the base. The latch is disposed in the base and is detachably fastened with the case. The latch is fastened with the handle and has a second slide part penetrating the handle for extending outside the base.

Abstract: An antenna structure including a first grounding layer, a microstrip line group, a first conductive layer, a first radiator and a second radiator is provided. The microstrip line group is disposed above the first grounding layer and includes a first microstrip line and a second microstrip line perpendicular to each other. The first microstrip line includes a first feeding end. The second microstrip line includes a second feeding end. The first conductive layer is disposed above the microstrip line group and includes a first slot and a second slot perpendicular to each other. The first slot and the second slot correspond to the first microstrip line and the second microstrip line respectively. The first radiator is disposed above the first slot and the second slot. The second radiator is disposed above the first radiator.

Abstract: An array antenna includes a ground plane, a first dielectric element, a second dielectric element, a first radiator, and a second radiator. The first dielectric element includes a first surface and a second surface, and a first included angle is formed between the first surface and the second surface. The second dielectric element includes a third surface and a fourth surface, and a second included angle is formed between the third surface and the fourth surface. The first surface is adjacent to the third surface. The first radiator includes a first part and a second part. The first part is disposed on the first surface, and the second part is disposed on the second surface. The second radiator includes a third part and a fourth part. The third part is disposed on the third surface, and the fourth part is disposed on the fourth surface.

Abstract: A hinge device includes a pivot seat, a rotating shaft, a first friction block, and a locking assembly. By being structurally provided with a sleeve, a first cam ring, a first elastic ring, a second friction block, a second cam ring, a second elastic ring, an elastic element, a locking portion, and a cover of the locking assembly, the hinge device has a locking function and a long service life.

Abstract: An electronic device, including a metal back cover, a ground radiator, a third radiator, and a metal frame including a first cutting opening, a second cutting opening, a first radiator located between the first cutting opening and the second cutting opening, and a second radiator located beside the second cutting opening and separated from the first radiator by the second cutting opening, is provided. An end of a first slot formed between the metal back cover and a first part of the first radiator is communicated with the first cutting opening, and a second slot formed between the metal back cover and a second part of the first radiator and between the metal back cover and the second radiator is communicated with the second cutting opening. The ground radiator connects the metal back cover and the first radiator and separates the first slot from the second slot.

Abstract: An electronic device includes a casing having an accommodation groove with an open end and a base adjacent to the accommodation groove, a stylus whose front edge has a groove, an annular sleeve, a charging switch adjacent to the base and a pair of hooks. The base has a center column protruding along an axial direction. The stylus enters the accommodation groove from the open end. The annular sleeve is sleeved on the center column and has first and second protruding portions. The first protruding portion is located on a movement path of the stylus entering the accommodation groove from the open end until going in thoroughly. The charging switch and the accommodation groove are on different sides of the base. The second protruding portion is adapted to touch the charging switch. The hooks are located on the opposite sides of the accommodation groove and adapted to be fastened with the groove.

Abstract: A sound isolation testing system and a sound isolation testing method are provided. The sound isolation testing system is adapted to test a product having a sound hole, and includes a detection device and a gas pressure detector. The detection device includes a gas cover, and the sound hole is sealed by the gas cover. The gas pressure detector is electrically connected to the detection device. The gas pressure detector determines a gas pressure change rate in the sound hole, and calculates the sound isolation value of the product according to the gas pressure change rate.

Abstract: A wearable device includes a conductive bottom shell, a conductive frame, an insulating member, and a circuit board. The conductive frame is disposed above the conductive bottom shell and separated from the conductive bottom shell. The conductive frame functions as an antenna and includes a feeding terminal and a first ground terminal. The insulating member is disposed between the conductive bottom shell and the conductive frame and prevents the conductive bottom shell from conducting electricity to the conductive frame. The circuit board is disposed inside the conductive frame, separated from the conductive bottom shell and disposed between the insulating member and the conductive frame. The feeding terminal and the first ground terminal are electrically connected to the circuit board.

Abstract: The present disclosure provides an outdoor electronic device including a shell, electronic assemblies, a rod body and a blower fan. The electronic assemblies are arranged in the shell. The rod body is of a hollow structure and includes a first end and a second end which are reversely arranged; and the first end is connected to the shell. At least one part of the blower fan is arranged on the rod body and includes an air inlet port and an air outlet port. The air inlet port extends to a position close to the electronic assemblies in the shell. The air outlet port is positioned in the rod body and is closer to the second end than the air inlet port.

Abstract: The disclosure provides a pre-embedded anti-loosening nut embedded in a plastic component. The pre-embedded anti-loosening nut includes a main body portion and a plurality of radiating portions. The main body portion has a threaded hole. The radiating portions are disposed around a periphery of the main body portion. Each of the radiating portions has a first side and a second side connected with each other. The first side and the second side form a first included angle, and the second side is connected with the first side of another adjacent radiating portion to form a second included angle.

Abstract: An antenna module includes a feeding end, multiple first forked radiators, and multiple connecting parts. The first forked radiators are disposed side by side. The connecting parts respectively extend from the feeding end to the first forked radiators. The feeding end, the first forked radiators, and the connecting parts are located on a same plane. The antenna module resonates at a frequency band, and a path length from the feeding end to an end of each of the forked radiators through the corresponding connecting part is ¼ wavelength of the frequency band.

Abstract: An assembly jig is suitable for assembling a band button. The band button includes a button body, a compression spring, a torsion spring, a compression spring pin and a torsion spring pin. The assembly jig includes a base, an upper cover, a first pressing component and a pressing mechanism. The base has an accommodating groove, and the accommodating groove is configured for accommodating the button body, the compression spring, the torsion-spring positioning pin and the compression-spring positioning pin. The upper cover is combined with the base and has a slot for accommodating the torsion spring. The first pressing component is configured to press the torsion spring into the button body which is accommodated in the accommodating groove. The pressing mechanism is configured for pressing the compression spring, the compression spring pin and the torsion spring pin into the button body which is accommodated in the accommodating groove.

Abstract: An optical module includes a first lens assembly including a first lens holder and a first lens fixed to the first lens holder, a second lens assembly, and an adjustment member. The first lens holder has at least one guiding inclined groove having a first stroke end and a second stroke end. In a direction parallel to an optical axis of the first lens, a stroke difference is provided between the second and first stroke end. The second lens assembly includes a second lens holder slidably disposed in the first lens holder, a second lens fixed to the second lens holder, and at least one guiding member slidably disposed in the second lens holder and slidably connected to the guiding inclined groove. The adjustment member is rotatably sleeved on the first lens holder. The guiding member penetrates the guiding inclined groove to be coupled to the adjustment member.

Abstract: An electronic device includes a metal back cover and an antenna module. The metal back cover includes a slit. The antenna module is separated from the metal back cover and disposed far away from the slit. The antenna module includes an antenna radiator, a first ground radiator, and a connection radiator. The antenna radiator includes a first section, a second section, and a third section that are sequentially connected and form bends, and the first section has a feeding end. A first slot is formed between the first ground radiator, the first section, the second section, and a part of the third section. A width and length of the first slot are associated with a center frequency and impedance matching of a high frequency band.

Abstract: An electronic device, including a metal back cover, a front cover, a metal wall, and at least one antenna radiator, is provided. The front cover covers the metal back cover and includes a frame area. The metal wall is disposed between the metal back cover and the front cover, and forms a metal cavity corresponding to the frame area together with the metal back cover. Each of the at least one antenna radiator is disposed in the metal cavity, is connected to a first side wall of the metal back cover, and is spaced apart from the metal wall by a distance.

Abstract: A power supply circuit and a power distribution method thereof are provided. The power supply circuit includes a power input switch block, a power supply measurement block, a power supply conversion block and a power supply control block. The power input switch block provides a first power supply voltage to a load circuit based on an external power supply voltage from an adapter. The power supply measurement block measures a current of the first power supply voltage. The power supply conversion block is coupled to the battery module to provide a second power supply voltage to the load circuit. When a battery temperature of the battery module is higher than a critical temperature and a battery power of the battery module is higher than or equal to a critical power, the power supply control block limits the second power supply voltage provided to the load circuit.

Abstract: An electronic module and a heat dissipation assembly thereof are provided. The electronic module includes an electronic component between a bottom of a heat fin and a bottom plate of a base, and a heat dissipation assembly including the heat fin, the base, and multiple fasteners. Each of two opposite sides of the bottom has a pair of first and second screw holes. The first screw holes are between the second screw holes. The base has a pair of side walls extending vertically from opposite sides of the bottom plate. Each side wall has a pair of third and fourth screw holes. The third screw holes correspond to the first screw holes and the fourth screw holes correspond to the second screw holes. The fasteners pass through the corresponding third and first screw holes or pass through the corresponding fourth and second screw holes.

Abstract: A model training method and a model training apparatus are provided. In the method, a pre-trained model, an old dataset, and a new dataset are obtained. The pre-trained model is a machine-learning model trained by using the old dataset. The old dataset includes a plurality of old training samples. The new dataset includes a plurality of new training samples. The training of the pre-trained model has not yet used the new dataset. The old training samples of the old dataset are reduced to generate a reduced dataset. The reduced dataset and the new dataset are used to tune the pre-trained model. Accordingly, the training efficiency of fine-tuning can be improved.