Abstract: The present invention provides an image display method applied to an augmented reality (AR) system which positions a virtual object by a marker image. The image display method includes that: a reality image is acquired, wherein the reality image includes a first image where the marker image is positioned and a second image, and the marker image includes a known pattern; the first image in the reality image is replaced with an extending image of the second image on the basis of a relationship between the known pattern and the first image to generate a display image; and the display image is displayed. Therefore, the condition that an AR image includes the marker image and thus the whole image looks unnatural may be avoided. In addition, the AR system using the foregoing method is also provided.

Abstract: The disclosure provides a base plate adapted for disposing a support unit. The base plate includes a thermally sensitive material plate and a connecting member. The connecting member includes a junction part joined to the thermally sensitive material plate, and a connection part extending from the junction part. The connection part protrudes from a surface of the thermally sensitive material plate. A key assembly, an illuminated key input device, and a manufacturing method of the base plate are also provided.

Abstract: The disclosure provides a key module including a bottom plate, a keycap and a scissor structure. The keycap is located above the bottom plate. The key cap includes a pivoting member protruding from the bottom surface and a sliding member. The pivoting member has a pivot hole and a hollowed-out area communicating with the pivot hole. The scissor structure is disposed between the bottom plate and the keycap, and includes a first leg and a second leg pivotally connected to each other, the first side of the first leg and the second side of the second leg are connected to the bottom plate, the third side of the first leg is rotatably connected to the pivoting member of the keycap, and the fourth side of the second leg is slidably connected to the sliding member of the keycap.

Abstract: Provided is a key structure including a base plate having at least one connecting seat and at least one notch adjacent to a lower portion of the connecting seat; a keycap disposed above the base plate in a liftable manner; a thin film circuit assembly disposed on the base plate and located between the base plate and the keycap; and a supporting rod connected to the keycap and the base plate and located between the thin film circuit assembly and the keycap. An accommodating space formed by the notch extends from and communicates with a through hole of the connecting seat. The connecting seat protrudes out from an opening of the thin film circuit assembly. A vertical projection region of the notch on the base plate is located within a vertical projection region of the opening on the base plate. The invention also provides a keyboard module.

Abstract: A lighting device including a light emitting module, a light pattern determination module, and a controller is provided. The light emitting module is configured to emit an illumination light. The light pattern determination module includes a first lens and a second lens. The first lens corresponds to a first light pattern, the second lens corresponds to a second light pattern, and the first light pattern is different from the second light pattern. The controller is configured to adjust at least one of the light emitting module and the light pattern determination module, so as to control an illumination light pattern of the illumination light passed through the light pattern determination module. In addition, a lighting method of the lighting device and a lighting system using the lighting device are also provided.

Abstract: The disclosure provides a key assembly, including: a baseplate, having a top surface and a recess groove recessed from the top surface, in which the recess groove is a blind hole; a hook, disposed on the baseplate, and extending upward from the top surface to form a hole between the hook and the top surface, in which an orthographic projection range of the hook and an orthographic projection range of the recess groove do not overlap each other; a key cap, disposed on the baseplate; an elastic member, disposed between the key cap and the baseplate; a link bar, connecting the key cap and the baseplate, in which the link bar has an extension portion passing through the hole; and a membrane, disposed on the top surface of the baseplate, in which the membrane covers at least part of the recess groove, and the extension portion abuts the membrane.

Abstract: A key structure includes a base plate, a key cap, a supporting member, a link member, and a buffer member. The base plate includes a body portion and a protrusion portion protruding upward from the body portion. The body portion has an accommodating hole, the accommodating hole corresponds to the protrusion portion, and the protrusion portion has an opening. The key cap is disposed above the base plate. The supporting member is disposed between the key cap and the base plate. The link member includes a main body portion and an end portion. The main body portion is pivotally connected to the key cap, and the end portion is disposed at the opening of the protrusion portion. The buffer member is located below the end portion, and the end portion leans against the buffer member.

Abstract: The disclosure provides a positioning member includes a bottom plate and a shielding layer. The bottom plate includes a body part and a protruding part. The body part has a connection part. The protruding part has a through hole. The body part is upwardly connected to the protruding part through the connection part, such that the body part, the connection part and the protruding part jointly enclose an accommodating space below the through hole. An joint member having a stud and a head connected to the stud, wherein the stud passes through the through hole to be fixed in the accommodating space via the head. The shielding layer is disposed on the body part, partly extending to the through hole of the protruding part to shield the protruding part exposed by the joint member. A keyboard is further provided.

Abstract: The disclosure provides a base plate adapted for disposing a support unit. The base plate includes a thermally sensitive material plate and a connecting member. The connecting member includes a junction part joined to the thermally sensitive material plate, and a connection part extending from the junction part. The connection part protrudes from a surface of the thermally sensitive material plate. A key assembly are also provided.

Abstract: The present invention provides a light guide plate and an input apparatus. The light guide plate includes a light guide body, at least one first opening structure, and at least one second opening structure. The first opening structure passes through the light guide body and includes at least one first closed end. The second opening structure passes through the light guide body and includes at least one second closed end. The first closed end and the second closed end face each other. The first closed end partially overlaps the second closed end on at least one first axis, the first closed end and the second closed end are disposed parallel to each other on at least one second axis, and the first axis is substantially perpendicular to the second axis.

Abstract: A transformer includes a hollow bobbin, a coil and a magnetic core. The hollow bobbin has a first end surface and a second end surface opposite to each other. In a direction perpendicular to the normals of the first end surface and the second end surface of the hollow bobbin, the hollow bobbin is not configured with any blocking plates extending laterally from the first end surface and the second end surface. The coil is wound on the hollow bobbin to form a bobbin assembly. The magnetic core has an accommodating space, wherein the bobbin assembly is disposed in the accommodating space. A manufacturing method of the transformer is also provided.

Abstract: An electronic apparatus, a voltage detector, and a voltage detection method thereof are provided. The voltage detector includes a rectifying and filtering circuit, a comparison circuit, and a detection signal generator. The rectifying and filtering circuit receives an alternating current input voltage and performs a rectifying and filtering operation on the alternating current input voltage to generate a processed voltage. The comparison circuit compares the processed voltage with a reference voltage to generate a comparison signal. The detection signal generator has a first side and a second side. The first side receives the comparison signal and generates an induction signal according to the comparison signal. The second side receives the indication signal to generate a detection signal. The first side and the second side are isolated.

Abstract: A protection device including a first housing, a second housing, a power component, a protective cover and a circuit board is provided. The second housing and the first housing are assembled to each other to define an internal space. The power component is disposed on the second housing and located in the internal space. The protective cover covers the power component and is located in the internal space. The circuit board is disposed in the internal space, and the protective cover is located between the circuit board and the power component. At least one pin of the power component protrudes beyond the circuit board through the protective cover and the circuit board.

Abstract: An electronic apparatus, a voltage detector, and a voltage detection method thereof are provided. The voltage detector includes a rectifying and filtering circuit, a comparison circuit, and a detection signal generator. The rectifying and filtering circuit receives an alternating current input voltage and performs a rectifying and filtering operation on the alternating current input voltage to generate a processed voltage. The comparison circuit compares the processed voltage with a reference voltage to generate a comparison signal. The detection signal generator has a first side and a second side. The first side receives the comparison signal and generates an induction signal according to the comparison signal. The second side receives the indication signal to generate a detection signal. The first side and the second side are isolated.

Abstract: A street lamp control device and a street lamp control method are provided. The street lamp control device includes a control node, a voltage dividing circuit, and a microprocessor. The control node is configured to provide an input voltage. The voltage dividing circuit is configured to receive the input voltage and perform a voltage dividing operation on the input voltage to generate an operating voltage. The microprocessor is configured to receive the operating voltage and generate a plurality of control signals according to the voltage value of the operating voltage. The control signals are respectively used to drive a plurality of light-emitting element groups of the street lamp, thereby adjusting at least one of a light shape and a color temperature of the street lamp.

Abstract: A keyboard module including keys, a frame, a bottom plate, and a backlight assembly is provided. The frame has a key region. Top surfaces of the keys are exposed in the key region. The frame includes a column. The bottom plate is disposed under the frame. The bottom plate includes a bending portion. The backlight assembly is disposed under the bottom plate, and sequentially includes a light shielding sheet, a light guide plate, and a reflector. The light shielding sheet has a first opening. The light guide plate has a second opening. A part of the reflector is exposed by the first opening and the second opening. The column passes through the bending portion and is located in the first opening and the second opening. A bottom surface of the column leans against the reflector.

Abstract: The present invention disclosed a bridge rectifier comprising a first switching circuit, a second switching circuit, a third switching circuit, a fourth switching circuit, a first driving circuit, a second driving circuit, a third driving circuit, and a fourth driving circuit. The first driving circuit is electrically connected to the first switching circuit, the second driving circuit is electrically connected to the second switching circuit, the third driving circuit is electrically connected to the third switching circuit, the fourth driving circuit is electrically connected to the fourth switching circuit. In the disclosure, the bridge rectifier should be implemented by the combination of switch circuits with driving circuits. Such that the power dissipation of bridge rectifier could be significantly reduced to improve the function of the overall circuit due to the low impedance of the switching circuit in a closed state.

Abstract: An electronic apparatus, a wireless input device and a control method thereof are provided. The wireless input device includes a wireless signal receiver, a control chip, and a wireless signal transmitter. The wireless signal receiver receives a radio frequency signal. The control chip is activated according to the radio frequency signal and generates operation power according to the radio frequency signal. The control chip generates input information by detecting an input operation on an input interface based on the operation power. The wireless signal transmitter transmits the input information to an external electronic apparatus based on the operation power.

Abstract: The disclosure provides a key structure, including a carrier, a buffer layer, a circuit film, a balance rod and a key cap. The carrier includes a body and a positioning element protruding from the body. The positioning element has a positioning hole. The buffer layer is disposed around the positioning hole. The circuit film and the balance rod are disposed on the body. The balance rod has an opposite first end portion and a second end portion. The first end portion passes through the positioning hole and presses against the buffer layer. The key cap is connected with the second end portion, and the circuit film and the balance rod are positioned between the key cap and the body.

Abstract: A key assembly including a base plate, a keycap, an elastic member, and a link member is provided. The base plate includes a body and a hook portion, the hook portion including a hole. The keycap is disposed on the base plate. The elastic member is disposed between the base plate and the keycap. The link member includes a connecting portion, a rod portion, and an end portion, the rod portion being assembled to the keycap, the connecting portion being connected between the rod portion and the end portion, and the end portion penetrating the hole, wherein an included angle between the end portion and the connecting portion is an obtuse angle.