Abstract: A layout pattern of a magnetoresistive random access memory (MRAM) includes a substrate having a first cell region, a second cell region, a third cell region, and a fourth cell region and a diffusion region on the substrate extending through the first cell region, the second cell region, the third cell region, and the fourth cell region. Preferably, the diffusion region includes a H-shape according to a top view.

Abstract: A manufacturing method of an electronic element module is provided. The method includes: disposing a plurality of first micro-light-emitting diodes on a first temporary substrate; and replacing at least one defective micro-light-emitting diode of the first micro-light-emitting diodes with at least one second micro-light-emitting diode. The first micro-light-emitting diodes and at least one second micro-light-emitting diode are distributed on the first temporary substrate. The first micro-light-emitting diodes and at least one second micro-light-emitting diode have same properties, and at least one of the appearance difference, the height difference and the orientation difference exists between the first micro-light-emitting diodes and at least one second micro-light-emitting diode. A semiconductor structure and a display panel are also provided.

Abstract: A weight training equipment with an ultrasonic sensor assembly including a transmitter unit, a receiver unit, a case and the support. The case is rotatably supported upon the support to expose the transmitter and the receiver upwardly. A freely rotatable pin unit is selectively inserted into the hole of the corresponding weight block of the weight training equipment to have its reflection surface downwardly face the sensor assembly. A distance between the pin unit and the sensor assembly during exercise can be measure by ultrasound transmitted from the transmitter unit toward the pin unit and further reflected by the reflection surface and received by the receiver unit.

Abstract: A weight training equipment with an ultrasonic sensor assembly including a transmitter unit, a receiver unit, a case and the support. The case is rotatably supported upon the support to expose the transmitter and the receiver upwardly. A freely rotatable pin unit is selectively inserted into the hole of the corresponding weight block of the weight training equipment to have its reflection surface downwardly face the sensor assembly. A distance between the pin unit and the sensor assembly during exercise can be measure by ultrasound transmitted from the transmitter unit toward the pin unit and further reflected by the reflection surface and received by the receiver unit.

Abstract: A monitoring and computing system for use with a treadmill, includes an intelligent sensing and computing system includes the data collection box and the sensors. The sensors includes the infrared sensor for sensing the speed, the six axes sensor for sensing the slope and the step frequency, the electrocardiogram sensor for sensing the heartbeat.

Abstract: A monitoring/computing system for collecting and managing the data during weight-training, includes a supersonic sensor disposed upon the machine, and a data collection box communicating with the sensor for collecting the corresponding data which is successively transferred to the gateway for further analysis or use.

Abstract: An optical coupling lens includes main section, beam splitting section, first lens, second lens and third lens. A first groove is formed in the main section. A second groove is formed in the first groove. The beam splitting section includes a first total reflecting surface and a second total reflecting surface. A dihedral-angle between the first total reflecting surface and the second total reflecting surface is predetermined. The first lens is defined in the first groove. The first lens includes a beam splitter. The beam splitter includes a first light emitting surface. The first light emitting surface is connected to the first total reflecting surface. The second lens is defined in the second groove. The second lens is corresponding to the first lens. The third lens defined in the second groove. The third lens is corresponding to the second total reflecting surface.

Abstract: A hole expanding device includes an electric heating device, a moving device, an rotating device, and a carrying device. The electric heating device includes a transition portion and a hole expanding rod fixed onto the transition portion. The electric heating device heats the hole expanding rod to a predetermined temperature. The rotating device is fixed onto the moving device. The moving device drives the rotating device to move along a direction parallel to the hole expanding rod. The carrying device is fixed onto the rotating device and includes a receiving groove for receiving and fixing a workpiece. The rotating device rotates the carrying device to make two opposite surfaces of the workpiece face the hole expanding rod.

Abstract: An assembling device for a guide pole of a camera actuator includes: a pedestal, a frame, a plurality of guide pole receiving units and a cover. The pedestal includes a first surface and a second surface opposite to the first surface, the first surface defines a plurality of first receiving holes, each the first receiving hole arranged with a magnet, the second surface defines a plurality of first bump. The frame locates on the second surface and defines a plurality of through holes. Each guide pole receiving unit defines a second receiving hole configuring for receiving a guide pole, each guide pole receiving unit is received in each through hole and locating on the first bump. The cover locates on the frame and comprises a top surface and a bottom surface, the top surface defines a plurality of dispensing holes, the dispensing hole extends through the cover.

Abstract: An assembling device for assembling optical fibers in the main body includes a support member and a blocking member. The support member includes a top surface. The top surface defines a receiving cavity and a supporting recess communicating with the receiving room. The blocking member includes a blocking surface. The blocking member is partially received in the receiving cavity. The blocking surface is exposed in the supporting recess. The supporting recess is configured for supporting the main body and contacting distal ends of the optical fibers.

Abstract: The optical fiber connector assembly includes a first connector and a second connector. The first connector includes at least two positioning pillars corresponding to the optical fibers. The first connector defines at least two optical fiber holes for receiving and positioning the optical fiber. Each optical fiber hole passes through a distal end of a corresponding positioning pillar. The second connector defines at least two positioning holes corresponding to the positioning pillars. Each positioning hole includes an end surface in the second connector. The second connector includes at least two first lenses corresponding to the optical fibers. Each first lens is positioned on the end surface of a corresponding positioning hole. The optical fibers are respectively aligned with the first lenses by an engagement of the positioning posts and the positioning holes.

Abstract: An optical coupling component includes a main body, first and second converging lenses, and positioning rods. The main body includes a first optical surface and a second optical surface substantially parallel to the first optical surface, and defines positioning holes adjacent to the second optical surface. The first converging lenses are formed on the first optical surface. The second converging lenses are formed on the second optical surface and correspond to the first converging lenses one-to-one. The positioning rods are made of metal and are received in the positioning holes by interference fit. The positioning rods include connecting ends extending out of the positioning holes.

Abstract: A device is used for separating an ejection workpiece from a stub bar, and includes a fixing element, a clamp, and a mechanism arm. The fixing element fixes the stub bar. The clamp clamps the ejection workpiece. The mechanism arm connects the clamp and actuates the clamp to clamp the ejection workpiece and then rotates the clamp relative to the stub bar, such that the ejection workpiece is separated from the stub bar.

Abstract: An assembling device for assembling optical fibers in the main body includes a support member and a blocking member. The support member includes a top surface. The top surface defines a receiving cavity and a supporting recess communicating with the receiving room. The blocking member includes a blocking surface. The blocking member is partially received in the receiving cavity. The blocking surface is exposed in the supporting recess. The supporting recess is configured for supporting the main body and contacting distal ends of the optical fibers.

Abstract: A device includes a holder, a cover, a socket, a number of first pins, and a number of second pins. The holder defines a holding groove in its upper surface for holding a voice coil motor. The holder also defines a pin groove in its right sidewall communicating with the holding groove. The voice coil motor has electrodes facing the pin groove. The cover covers the upper surface to fix the voice coil motor in the holder. The socket is attached to the right sidewall. The first pins are fixed in the socket to connect with the electrodes. The second pins are connected with the first pins. The second pins connect with a number of third pins of a testing fixture for testing the voice coil motor when the device is assembled into the testing fixture.

Abstract: An optical coupling lens includes main section, beam splitting section, first lens, second lens and third lens. A first groove is formed in the main section. A second groove is formed in the first groove. The beam splitting section includes a first total reflecting surface and a second total reflecting surface. A dihedral-angle between the first total reflecting surface and the second total reflecting surface is predetermined. The first lens is defined in the first groove. The first lens includes a beam splitter. The beam splitter includes a first light emitting surface. The first light emitting surface is connected to the first total reflecting surface. The second lens is defined in the second groove. The second lens is corresponding to the first lens. The third lens defined in the second groove. The third lens is corresponding to the second total reflecting surface.

Abstract: An optical coupling element includes a main body, first and second converging lenses. The main body includes a first optical surface, a second optical surface perpendicular to the first optical surface, and a reflective surface tilted relative to the first and second optical surfaces. The main body defines positioning holes adjacent to the first optical surface, and avoiding grooves in sidewalls of the positioning holes and communicated with the positioning holes. The first converging lens is formed on the first optical surface. The second converging lens is formed on the second optical surface and corresponding to the first converging lens one by one. The first converging lens, the reflective surface, and the second converging lens cooperatively form an optical path.

Abstract: A photoelectric conversion device uses an optical coupler to divide a light beam emitted from a light emitter into two portions according to a predetermined ratio. A first light beam portion is guided to an optical fiber, and a second light beam portion is guided to a light receiver. The light receiver can detect an intensity of the second light beam portion. In this way, a processor can calculate an intensity of the light beam emitted from the light emitter accordingly.

Abstract: An optical subassembly testing system includes a pedestal, a rotation device, a holder and a supporting device. The rotation device includes a rotation member, a connecting plate and a retractable pillar. The rotation member is arranged on the pedestal and rotates relative to the pedestal. The connecting plate includes a mounting portion and a protruding portion, the mounting portion is arranged on the rotation member, the protruding portion extends away from the mounting portion and is exposed outside of the rotation member, and the retractable pillar is fixed perpendicular to the pedestal on an end of the protruding portion. The holder is fixed on an end of the retractable pillar and clamps a fiber connector. The supporting device includes a plurality of receiving grooves surrounding the pedestal, the receiving grooves are configured for receiving transmitter optical subassemblies (TOSAs) to test by aligning the fiber connector with each TOSA in turn.

Abstract: The present disclose relates to a mobile telephone, including a main body, a light source and an optical element. The main body defines a cavity. The light source is received in the cavity. The optical element is removably mounted on the main body and located at a pathway of the light source. Light emitted from the light source is converged by the optical element to outside.