Abstract: A virtual reality (VR) controller includes a handle, a side housing, and a switch. The side housing has a fixed portion and a flexible portion. The fixed portion is fixed to the handle, and a contour of the side housing extending toward the handle conforms to a shape of a palm. The switch is disposed between the handle and the side housing. The flexible portion is deformed to trigger the switch when the handle and the side housing are held and a force is applied to the flexible portion relative to the handle. In other words, the flexible portion abutting against the palm is deformed to trigger the switch when the handle and the side housing are held and a force is applied, relative to the flexible portion, to one side of the handle far away from the flexible portion.

Abstract: A button module includes a casing, a button body, an elastic body and a cover. The casing includes a first accommodating recess, a first engaging portion and a retaining platform. The button body is disposed in the first accommodating recess. The button body includes a first positioning portion. The elastic body is disposed between the button body and the retaining platform. The cover is disposed on the casing. The cover includes a second engaging portion, a second positioning portion and a retaining portion. The second engaging portion engages with the first engaging portion. The second positioning portion cooperates with the first positioning portion to position the button body in the first accommodating recess. The retaining portion abuts against the retaining platform.

Abstract: A semiconductor device for performing a sum-of-product computation and an operating method thereof are provided. The semiconductor device includes an inputting circuit, a scaling circuit, a computing memory and an outputting circuit. The inputting circuit is used for receiving a plurality of inputting signals. The inputting signals are voltages or currents. The scaling circuit is connected to the inputting circuit for transforming the inputting signals to be a plurality of compensated signals respectively. The compensated signals are voltages or currents. The computing memory is connected to the scaling circuit. The computing memory includes a plurality of computing cells and the compensated signals are applied to the computing cells respectively. The outputting circuit is connected to the computing memory for reading an outputting signals of the computing cells. The outputting signal is voltage or current.

Abstract: A non-volatile memory and its reading method are provided. The reading method includes: erasing a plurality of memory cells in a memory cell string; setting a target memory cell of the memory cells, setting an initial voltage, generating a plurality of programming voltages by gradually increasing the initial voltage based on a step value, sequentially performing a plurality of programming operations by the target memory cell according to the programming voltages, and verifying the target memory cell to obtain a first verifying current during the programming operations; setting a corresponding programming voltage as a target voltage through determining the first verifying current and a first reference current; and performing the programming operations on the memory cells other than the target memory cell according to the target voltage and setting the memory cell string as a reading reference memory cell string.

Abstract: A 3D printing method is provided. A stereolithography 3D printer (2) selects one of multiple layers of print data sequentially, makes a modeling plane be a default thickness (h) away from a material tank (23), irradiates heading to the modeling plane according to the selected layer of the print data for printing one layer of slice physical model (421-422, 431-433), makes the modeling plane detach from light-curable materials (41) in the material tank (23), rotates the material tank (23) for making an angle difference between angles before and after rotation be within a default angle interval, and performs above steps repeatedly until completion of a 3D physical model.

Abstract: A system for imparting motion of an object includes: (1) at least one first hydrostatic actuator; (2) a hydraulic transmission conduit; and (3) at least one second hydrostatic actuator. The first hydrostatic actuator is connected to the second hydrostatic actuator via the hydraulic transmission conduit, such that an input displacement applied to the first hydrostatic actuator is transmitted via the hydraulic transmission conduit to the second hydrostatic actuator to impart motion of the object.

Abstract: An in-memory computing device includes a plurality of synaptic layers including a first type of synaptic layer and a second type of synaptic layer. The first type of synaptic layer comprises memory cells of a first type of memory cell and the second type of synaptic layer comprises memory cells of a second type, the first type of memory cell being different than the second type of memory cell. The first and second types of memory cells can be different types of memories, have different structures, different memory materials, and/or different read/write algorithms, any one of which can result in variations in the stability or accuracy of the data stored in the memory cells.

Abstract: A Reliable User Datagram Protocol (RUDP) apparatus and a dynamic adjustment method of a sliding window parameter of RUDP are provided. The dynamic adjustment method of the sliding window parameter of RUDP includes the following steps. In accordance with whether the acknowledgement from the receiver is overtime, and in accordance with the difference between the sliding window parameter and an estimated maximum value, the transmitter adjusts a step value. The transmitter adjusts the sliding window parameter according to the step value.

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.

Abstract: A 3D printing device including a base, a gantry, a forming platform, a tank, an adjustable platform, a driving module and a control module is provided. The gantry and the tank are respectively disposed on the base. The forming platform is movably assembled to the gantry. The adjusting platform is disposed between the gantry and the forming platform or between the tank and the base. The driving module is connected to the forming platform and the gantry. The control module is electrically connected to the driving module to drive the forming platform to reciprocate along the gantry, so that the forming platform is moved into or out of the tank. Before 3D printing is performed, the control module moves the forming platform to lean against the tank through the driving module, so as to drive the adjustable platform to deform, and confirm consistency of contact surfaces of the forming platform and the tank.

Abstract: A robotic surgery system includes: (1) a positioning stage and (2) at least one manipulator arm mounted to the positioning stage, wherein the manipulator arm includes a track and a tool carriage moveably mounted to the track, and the tool carriage includes a base and a pair of light emitting devices mounted to the base.

Abstract: A formation tank includes a tank body and a release film. The tank body includes a bottom plate and a tank wall. One face of the bottom plate is an inner bottom surface, and at least one engagement structure is formed on the inner bottom surface. The tank wall protrudes from the inner bottom surface and surrounds a periphery of the bottom plate. The release film is attached on the inner bottom surface and the release film is mortise-and-tenon connected to the engagement structure. An engagement structure is arranged on the bottom plate to improve an engagement force between the bottom plate and the release film. Accordingly, the release film is prevented from being detached, and therefore durability of the release film is also improved.

Abstract: A three-dimensional printing device including a body, a tank, an origin target, a sensor, and a control module is provided. The tank is rotatably assembled on the body, and the tank is filled with a liquid forming material. The origin target is disposed on the tank and rotates along with the tank. The sensor is disposed on the body and located above the liquid forming material to sense a liquid level of the liquid forming material. The control module electrically connects the tank and the sensor and drives the tank to rotate. The sensor is located above a rotation path of the origin target, and the control module senses the origin target through the sensor and positions a rotation origin of the tank.

Abstract: An integrated circuit includes a three-dimensional cross-point memory having a plurality of levels of memory cells disposed in cross points of first access lines and second access lines with alternating wide and narrow regions. The manufacturing process of the three-dimensional cross-point memory includes patterning with three patterns: a first pattern to define the memory cells, a second pattern to define the first access lines, and a third pattern to define the second access lines.

Abstract: A 3D printing method adapted for a 3D printer is provided. The 3D printer includes a tank filled with a liquid-state forming material, a platform, a curing module and a control module. At least one of the tank and the platform as well as the curing module are electrically connected to the control module to be controlled by the same, and a 3D object is formed on the platform. The 3D printing method includes analyzing a model of the 3D object to obtain a layered information; the control module correspondingly distributes the layered information at a plurality of forming positions at the bottom of the tank. A forming layer is cured by the curing module and located at a forming position, and then the platform and the tank rotate relatively to move the forming layer to another forming position, and another forming layer is formed at the another forming position.

Abstract: A 3D printer including a machine platform, a container, at least one stirring element and a driving module is provided. The container is assembled to the machine platform and is adapted to contain a liquid forming material. The stirring element has a rotating shaft and is adapted to rotate along the rotating shaft. The driving module is connected to at least one of the container and the at least one stirring element, so as to drive the container and the at least one stirring element to produce relative movement when 3D printing is not performed, and the liquid forming material in the container is stirred by the at least one stirring element.

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 3D printer including a machine platform, a container, at least one stirring element and a driving element is provided. The container contains a liquid forming material, and is movably assembled to the machine platform. The stirring element is disposed in the container to move along with the container, and has a motion mode of moving away from or moving close to a bottom of the container. The driving element is fixed on the machine platform and extends into the container. The driving element and the stirring element are mutually located on moving paths of each other. During a moving process of the container, the driving element and the stirring element lean against each other to trigger the motion mode of the stirring element to move away from or move close to the bottom of the container, so as to stir the liquid forming material in the container.