Abstract: A stereolithography apparatus including a base, an elevator track, a threaded rod, a sliding bracket, a nut, a plurality of friction-reducing components, and a printing platform. The sliding track is disposed on the base. The threaded rod is disposed on the base and an axial direction of the threaded rod is parallel to the elevator track. The sliding bracket is slidably disposed on the elevator track. The nut is set on the threaded rod to be driven by the threaded rod to slide along the threaded rod. The sliding bracket clamps the nut to be driven by the nut to slide along the elevator track. The friction-reducing components are disposed between the nut and the sliding bracket for the nut to move relatively to the sliding bracket. The printing platform is disposed on the sliding bracket to slide with the sliding bracket along the elevator track.

Abstract: An inherent information generating device adapted to an integrated circuit includes a plurality of pairs of source memory cells and a comparison circuit. One of the pairs of source memory cells includes a first source memory cell with a first electrical parameter value and a second source memory cell with a second electrical parameter value. The comparison circuit, coupled to the pairs of source memory cells and configured to generate inherent information of the integrated circuit, includes a first comparator. The first comparator is coupled to the first and second source memory cells, and is configured to compare the first electrical parameter value with the second electrical parameter value, and generate the bit value of a first bit of the inherent information according to the comparison result.

Abstract: A gas leakage detection method is provided. The method includes the followings steps. Receive an infrared video. Capture a first image and a second image from the infrared video, wherein the first image and the second image are consecutive image frames in order. Calculate a difference between the first image and the second image to generate a first difference image. Filter the first difference image with a filtering criterion to generate a first filtered image. Transform the first filtered image with a transfer function to generate a first detail image, wherein the absolute value of pixel value in the first detail image is greater than or equal to the absolute value of corresponding pixel value in the first filtered image. Superimpose the first detail image and the first image to generate a gas leakage enhanced image.

Abstract: A relay gateway device includes a processor and a storage, in which when a packet transmission is performed between a first mobile device and a second mobile device and the second mobile device switches from the relay gateway device to another, the IP address of the second mobile device changes from a former IP address to a current IP address. When the first mobile device transmits a first packet to the second mobile device in which the destination address of the first packet is the former IP address, the processor of the relay gateway device modifies the destination address of the first packet into the current IP address according to the former IP address and the current IP address of the second mobile device in a list of the storage and then transmits the first packet to the second mobile device, thereby achieving a seamless transmission during handover.

Abstract: A laser module with removable structures of three-dimensional printer includes a platform, a carrying seat and a laser module. The platform has a working side and a movement mechanism; the movement mechanism at least has a displacement rod. The carrying seat is disposed on the displacement rod, and the movement mechanism drives the carrying seat to move on the working side along the displacement rod. The carrying seat has an assembly portion, and the laser module is disposed on the assembly portion of the carrying seat and detachably integrated with the assembly portion as a whole. Thereby the purposes of fast and convenient disassembly can be achieved through assembling the laser module on the carrying seat.

Abstract: A three-dimensional printing apparatus including a body, a rotation module, a tank, an elevating module, a forming platform, a curing module, and a control module is provided. The rotation module and the elevating module are disposed on the body. The tank is disposed on the rotation module. The forming platform is disposed on the elevating module. The curing module disposed in the body and under the tank. The control module is electrically connected to the rotation module, the elevating module, and the curing module. The forming platform dips into the forming material in liquid in the tank and the curing module cures the forming material between the forming platform and an inner bottom of the tank to form a solidification layer. Then the elevating module and the rotation module respectively drive the forming platform to rise and rotate relatively to the tank simultaneously.

Abstract: A stereo lithography apparatus includes a base, a lifting rail, a slider, a forming pedestal, a nut assembly and a screw rod. The lifting rail is arranged upright on the base. The slider is arranged on the lifting rail and allowed to move along the lifting rail. A position hole and at least an adjusting groove are defined on the forming pedestal. The nut assembly is screw connected with the slider by multiple bolts, one of the bolts is inserted through the position hole and screw connected with the slider, each of the other bolts is inserted through corresponding adjusting groove and screw connected with the slider. The screw rod is arranged upright on the base and screw connected with the nut assembly. Thereby, the nut assembly would not be rotated to stick the screw rod while the forming pedestal is rotated.

Abstract: A semiconductor memory device includes programmable resistance memory cells and a controller which applies a forming pulse to first and second groups of the programmable resistance memory cells for inducing a change in the first group from an initial resistance range to an intermediate resistance range, and for inducing the second group having a resistance outside the intermediate range. When a forming rate is lower than a first forming threshold rate, the controller adjusts the forming pulse until the forming rate is higher than the first forming threshold rate. When a forming rate is higher than the first forming threshold rate but lower than a second forming threshold rate, the controller adjusts the forming pulse until the forming rate is higher than the second forming threshold rate. The controller applies a programming pulse to the first and second groups and generates a chip ID of the semiconductor memory device.

Abstract: A recirculating gradient power system includes a motion carrier capable of changing its tilt orientation and tilt angle. The central vertical axis of the motion carrier is provided with a rotating shaft. The rotating shaft is pivotally connected with a counterweight. The counterweight is rotationally displaced from a high point of the motion carrier toward a lower point of the motion carrier about the rotating shaft by gravity. At least four power cylinders are evenly arranged at four diagonal corners around the periphery of the central vertical axis of the motion carrier to drive the motion carrier to change the tilt orientation and the tilt angle. A control module is connected with the power cylinders for controlling the operation of the power cylinders which are set in advance when the counterweight is rotationally displaced to a predetermined stroke.

Abstract: A transmission device includes a plurality of guide pins, a first plate having multiple first guide slots, a second plate having multiple second guide slots, and a third plate having multiple third guide slots. A projection of each of the first guide slots on the third plate is deviated from a respective one of the third guide slots in a first rotational direction. A projection of each of the second guide slots is deviated from a respective one of the third guide slots in a second rotational direction which is opposite to the first rotational direction. The guide pins are respectively and slidably disposed in the second guide slots. When the first plate rotates, the guide pins slide synchronously and are equidistant from an axis.

Abstract: Aspects of the technology relate to a cover (e.g., for a handheld electronic device). The cover may include a cover body configured for securement to a handheld electronic device and comprising an accessory attachment area, wherein the accessory attachment area includes a plurality of receivers, and wherein the accessory attachment area is configured for coupling with an accessory in at least one of a plurality of orientations. In some aspects, each receiver further includes a space recessed into the cover body that is bounded, at least partially, by a recess wall, wherein each receiver includes an engagement surface configured for abutting engagement with a projection associated with an accessory when the projection is disposed in a secured configuration within a respective space. An electrical device cover and various attachment devices are also provided.

Abstract: A semiconductor device includes: a physical parameter sensing circuit configured to sense a variation of a physical parameter; an applying parameter generating circuit coupled to the physical parameter sensing circuit, configured to adjust an applying parameter from the variation of the physical parameter based on a transfer function which defines relationship between the physical parameter and the applying parameter; and a main circuit, coupled to the physical parameter sensing circuit and the applying parameter generating circuit, wherein the applying parameter generated by the applying parameter generating circuit is used to compensate effect on operations of the main circuit caused by the variation of the physical parameter.

Abstract: A semiconductor device includes: a physical parameter sensing circuit configured to sense a variation of a physical parameter; an applying parameter generating circuit coupled to the physical parameter sensing circuit, configured to adjust an applying parameter from the variation of the physical parameter based on a transfer function which defines relationship between the physical parameter and the applying parameter; and a main circuit, coupled to the physical parameter sensing circuit and the applying parameter generating circuit, wherein the applying parameter generated by the applying parameter generating circuit is used to compensate effect on operations of the main circuit caused by the variation of the physical parameter.

Abstract: A memory device and an operating method for a resistive memory cell are provided. The memory device includes the resistive memory cell. The resistive memory cell includes a first electrode, a second electrode and a memory film between the first electrode and the second electrode. The first electrode includes a bottom electrode portion and a sidewall electrode portion extending upwardly from the bottom electrode portion and between the memory film and the bottom electrode portion. A width of the sidewall electrode portion and a width of the memory film are smaller than a width of the bottom electrode portion.

Abstract: A chassis assembly structure includes a surrounding plate assembly, first abutting elements, second abutting elements and a third board. The first and second boards are coupled to form the surrounding plate assembly. Each first abutting element has a slider and a first stop plate extended from the first (or second) board, and each second abutting element has first and second convex plates extended from the second (or first) board. Each first convex plate has a first positioning groove at an end and a second stop plate at the other end. Each second convex plate has a second positioning groove, and both ends of each slider are slidably coupled to and limited in each of the first and second positioning grooves, and each first stop plate is stopped and limited by each second stop plate, and the third board covers a side of the surrounding plate assembly.

Abstract: A memory device and an operating method for a resistive memory cell are provided. The memory device includes the resistive memory cell. The resistive memory cell includes a first electrode, a second electrode and a memory film between the first electrode and the second electrode. The first electrode includes a bottom electrode portion and a sidewall electrode portion extending upwardly from the bottom electrode portion and between the memory film and the bottom electrode portion. A width of the sidewall electrode portion and a width of the memory film are smaller than a width of the bottom electrode portion.

Abstract: Aspects of the technology relate to a cover (e.g., for a handheld electronic device). The cover may include a cover body configured for securement to a handheld electronic device and comprising an accessory attachment area, wherein the accessory attachment area includes a plurality of receivers, and wherein the accessory attachment area is configured for coupling with an accessory in at least one of a plurality of orientations. In some aspects, each receiver further includes a space recessed into the cover body that is bounded, at least partially, by a recess wall, wherein each receiver includes an engagement surface configured for abutting engagement with a projection associated with an accessory when the projection is disposed in a secured configuration within a respective space. An electrical device cover and various attachment devices are also provided.

Abstract: Aspects of the technology relate to a cover (e.g., for a handheld electronic device). The cover may include a cover body configured for securement to a handheld electronic device and comprising an accessory attachment area, wherein the accessory attachment area includes a plurality of receivers, and wherein the accessory attachment area is configured for coupling with an accessory in at least one of a plurality of orientations. In some aspects, each receiver further includes a space recessed into the cover body that is bounded, at least partially, by a recess wall, wherein each receiver includes an engagement surface configured for abutting engagement with a projection associated with an accessory when the projection is disposed in a secured configuration within a respective space. An electrical device cover and various attachment devices are also provided.