Abstract: A projection device includes a light source module, a display panel, a freeform-surface reflective mirror, and a projection lens. The light source module includes a light source, a first Fresnel lens element, and a second Fresnel lens element. The first Fresnel lens element and the second Fresnel lens element are parallel to each other and located between the light source and the display panel. The display panel is arranged between the light source module and the freeform-surface reflective mirror. The projection lens is configured to transmit an image beam out of the projection device, and a direction of an optical axis of the projection lens is different from a direction of a normal of the first Fresnel lens element.

Abstract: A fast-transient buffer is shown. The fast-transient buffer has a flipped voltage follower coupled between the input terminal and the output terminal of the fast-transient buffer, and a first MOS transistor coupled to the flipped voltage follower as well as the output terminal of the fast-transient buffer. The first MOS transistor regulates the output voltage of the output terminal of the fast-transient buffer, in the opposite direction in comparison with an output voltage regulation direction due to the flipped voltage follower.

Abstract: A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is with negative refractive power. The second lens is with refractive power. The third lens is with positive refractive power and includes a convex surface facing an image side. The fourth lens is with positive refractive power and includes a convex surface facing an object side. The fifth lens is with refractive power. The sixth lens is with refractive power. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are arranged in order from the object side to the image side along an optical axis.

Abstract: An electronic device assembly is provided, including an electronic device body and a detachable lens module. The electronic device body has a housing and a first joining unit, wherein the first joining unit is disposed on the housing. The detachable lens module is detachably assembled onto the housing and has a second joining unit, wherein the first joining unit is joined to the second joining unit to electrically connect the detachable lens module to the electronic device body.

Abstract: A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens is a meniscus lens with negative refractive power. The second lens is with positive refractive power and includes a convex surface facing an image side. The third lens is a meniscus lens with positive refractive power. The fourth lens is with positive refractive power. The fifth lens is with refractive power and includes a convex surface facing an object side. The first lens, the second lens, the third lens, the fourth lens, and the fifth lens are arranged in order from an object side to the image side along an optical axis.

Abstract: An electronic device assembly is provided, including an electronic device body and a detachable lens module. The electronic device body has a housing and a first joining unit, wherein the first joining unit is disposed on the housing. The detachable lens module is detachably assembled onto the housing and has a second joining unit, wherein the first joining unit is joined to the second joining unit to electrically connect the detachable lens module to the electronic device body.

Abstract: An electronic device assembly is provided, including an electronic device body and a detachable lens module. The electronic device body has a housing and a first joining unit, wherein the first joining unit is disposed on the housing. The detachable lens module is detachably assembled onto the housing and has a second joining unit, wherein the first joining unit is joined to the second joining unit to electrically connect the detachable lens module to the electronic device body.

Abstract: The present invention is related to a suture having a cord member. The cord member includes a cord and an outer later covering the core. An outer circumferential surface of the core includes a plurality of protrusions, and the plurality of protrusions are arranged in a ring shape relative to a center of the core. Through spiral cutting method to perform processing on the outer circumferential surface of the outer surface, a plurality of cutting slots are formed at the outer circumferential surface of the outer layer. After the processing of each cutting slot is complete, a protruding member for retaining skin is formed correspondingly.

Abstract: An electronic device assembly is provided, including an electronic device body and a detachable lens module. The electronic device body has a housing and a first joining unit, wherein the first joining unit is disposed on the housing. The detachable lens module is detachably assembled onto the housing and has a second joining unit, wherein the first joining unit is joined to the second joining unit to electrically connect the detachable lens module to the electronic device body.

Abstract: An active surge protection structure is provided between a power line and a core circuit, comprising a surge-to-digital converter and a clamp circuit. The surge-to-digital converter comprises a plurality of surge detection circuit. Each surge detection circuit detects a surge event occurring on the power line and generates a digital signal. The clamp circuit is disposed adjacent to the core circuit and electrically connected with the surge-to-digital converter and the power line where the core circuit is connected for dissipating surge energy. The clamp circuit receives and is driven by the digital signals from the surge-to-digital converter such that its protection flexibility can be achieved according to the digital signals. By employing the present invention, it is extraordinarily advantageous of improving system stability and achieving comprehensive surge protection with configuration of driving capability dependent on surge levels.

Abstract: An active surge protection structure is provided between a power line and a core circuit, comprising a surge-to-digital converter and a clamp circuit. The surge-to-digital converter comprises a plurality of surge detection circuit. Each surge detection circuit detects a surge event occurring on the power line and generates a digital signal. The clamp circuit is disposed adjacent to the core circuit and electrically connected with the surge-to-digital converter and the power line where the core circuit is connected for dissipating surge energy. The clamp circuit receives and is driven by the digital signals from the surge-to-digital converter such that its protection flexibility can be achieved according to the digital signals. By employing the present invention, it is extraordinarily advantageous of improving system stability and achieving comprehensive surge protection with configuration of driving capability dependent on surge levels.

Abstract: An energy-saving hydraulic system includes an exerting hydraulic device, a buffering receptacle arranged at one side of the exerting hydraulic device, an impetus hydraulic device connecting to the exerting hydraulic device, and a recovering hydraulic device. The exerting hydraulic device has a loading receptacle selectively disposed at a first high position and a first low position. The impetus hydraulic device has a transferring receptacle selectively disposed at a second high position, a recovering position, and a second low position. The second low position is lower than the buffering receptacle. The recovering hydraulic device connects the exerting hydraulic device and the impetus hydraulic device, and includes a sustaining portion. When the impetus hydraulic device is lowering to the second low position, it contacts the sustaining portion of the recovering hydraulic device to push working liquid to flow back the exerting hydraulic device from the recovering hydraulic device.

Abstract: A method may include generating a list of frame candidates, the list of frame candidates including a plurality of aspect ratios, based on a characteristic of a display device and an aspect ratio of a base tile; receiving a set of media items, each with a respective aspect ratio (AR), to display on the display device; and for each respective media item in the set of media items: filtering the list of frame candidates based on a respective aspect ratio of the list of frame candidates being within a threshold cropping amount of the AR of the respective media item; and matching the respective media to a frame candidate of the filtered list of frame candidates.

Abstract: A hinge structure includes a first bracket, a second bracket, a first fixing member connected to the first bracket, a second fixing member connected to the second bracket, a first linking member, a second linking member, a first resilient member, a second resilient member, a first linking bar pivotally connected to the second bracket, a second linking bar pivotally connected to the first bracket, a first sliding member and a second sliding member. The first linking member and the first resilient member are disposed on the first fixing member. The second linking member and the second resilient member are disposed on the second fixing member. The first linking bar is pivotally connected to the second linking bar. The first sliding member is connected to the first linking member and the first linking bar. The second sliding member is connected to the second linking member and the second linking bar.

Abstract: A hinge structure connected between a first body and a second body of an electronic device is provided. The first and the second bodies rotate by the hinge structure to be opened or closed relatively. The hinge structure includes a rotating shaft pivoted to the first body, a moving member sleeving on the rotating shaft and adapted to be moved axially about and rotated along with the rotating shaft, and a damping member disposed on the moving member. The moving member has a rail coupled with a guiding member of the first body. The second body rotates relative to the first body via the rotating shaft, and the guiding member moves along the rail to move the moving member along the rotating shaft axially, such that the moving member drives the damping member to be interfered with or released from the first body.

Abstract: An energy-saving hydraulic system includes an exerting hydraulic device, a buffering receptacle arranged at one side of the exerting hydraulic device, an impetus hydraulic device connecting to the exerting hydraulic device, and a recovering hydraulic device. The exerting hydraulic device has a loading receptacle selectively disposed at a first high position and a first low position. The impetus hydraulic device has a transferring receptacle selectively disposed at a second high position, a recovering position, and a second low position. The second low position is lower than the buffering receptacle. The recovering hydraulic device connects the exerting hydraulic device and the impetus hydraulic device, and includes a sustaining portion. When the impetus hydraulic device is lowering to the second low position, it contacts the sustaining portion of the recovering hydraulic device to push working liquid to flow back the exerting hydraulic device from the recovering hydraulic device.

Abstract: A hinge structure connected between a first body and a second body of an electronic device is provided. The first and the second bodies rotate by the hinge structure to be opened or closed relatively. The hinge structure includes a rotating shaft pivoted to the first body, a moving member sleeving on the rotating shaft and adapted to be moved axially about and rotated along with the rotating shaft, and a damping member disposed on the moving member. The moving member has a rail coupled with a guiding member of the first body. The second body rotates relative to the first body via the rotating shaft, and the guiding member moves along the rail to move the moving member along the rotating shaft axially, such that the moving member drives the damping member to be interfered with or released from the first body.

Abstract: A method may include generating a list of frame candidates, the list of frame candidates including a plurality of aspect ratios, based on a characteristic of a display device and an aspect ratio of a base tile; receiving a set of media items, each with a respective aspect ratio (AR), to display on the display device; and for each respective media item in the set of media items: filtering the list of frame candidates based on a respective aspect ratio of the list of frame candidates being within a threshold cropping amount of the AR of the respective media item; and matching the respective media to a frame candidate of the filtered list of frame candidates.

Abstract: A power generation system is provided. The power generation system includes a floating body, a transmission device, a transportation tank, an upper container, and a power generator unit. The transmission device is driven by a tidal force or a buoyant force through the floating body to lift up the transportation tank to a first position, which is near to the upper container, or to lower the transportation tank down to a second position, which is at a lower level than that of the electric motor to recycle the solid particles. The upper container for carrying a plurality of solid particles is disposed at a higher level than that of the power generator unit, and is used to store and release the solid particles to drive the power generator unit to generate electric power.

Abstract: An electronic device includes an input/output (I/O) port and an instruction receiver located adjacent to the I/O port. When an external storage device is connected to the I/O port and the instruction receiver receives a predefined instruction input by a user, the electronic device generates a graphical user interface (GUI) to display a folder associated with the external storage device. A human-computer interaction method is also provided.