Abstract: A switch circuit for switching between a first storage and a second storage. The switch circuit includes a switch, first and second control circuits, a switch control chip, and a processing chip. When the second control circuit transmits power from a power supply to the first storage, the first control circuit connects the power supply to the first storage, and connects the second control circuit to the processing chip the first storage regardless of the state of the switch. When the second control circuit transmits power from the power supply to the second storage, the first control circuit connects the power supply to the second storage, and connects the processing chip to the second storage regardless of the state of the switch.

Abstract: A stamping head includes a stamping portion and a connection portion connected to the stamping portion. The stamping portion includes a top surface and four side surfaces. The stamping head defines a jag extending from a junction between a specific one of the side surfaces and the top surface toward a centre of the top surface. The jag passes through the specific side surface. When the stamping head presses a ACF onto a ceramic substrate, a residual air between the ACF and the ceramic substrate flows outside through the jag.

Abstract: A connector detection circuit is used for detecting whether a first connector of an electronic device is in sufficient connection with a second connector of a connection device. The connector detection circuit includes a pressure sensing module, a switch unit, and an indicator. The pressure sensing module is located under the pins of the first connector, to sense whether there is pressure applied on each pin of the first connector by a corresponding pin of the second connector, and to output sensed results. The switch unit is connected to the pressure sensing module to receive the sensed results, and is connected to the indicator to control the indicator to indicate whether the first connector and the second connector have a sufficient connection with each other according to the sensed results.

Abstract: A test platform includes a base, a supporting member rotatably supported on the base, a laser emitter mounted on the base, and a laser receiver mounted to the supporting member and aligning with the laser emitter. The supporting member includes a network socket electrically connected to the laser receiver. The laser emitter is electrically connected to a network communication device.

Abstract: An electronic device includes a chassis and a heat dissipation apparatus. The chassis includes a sidewall defining a latching hole and a rear wall defining an opening adjacent to the latching hole. The heat dissipation apparatus is detachably inserted in the chassis from the opening. The heat dissipation apparatus includes a casing defining a positioning slot aligning with the latching hole of the chassis, a liquid cooling assembly received in the casing, and a resilient latching member. A first end of the latching member is mounted in the casing. A latching block protrudes out from a second end of the latching member. The latching block extends through the positioning slot, to be latched in the latching hole of the chassis.

Abstract: A positioning device includes a base and two positioning mechanisms oppositely positioned on the base to position a workpiece. Each positioning mechanism includes a driver positioned on the base, a mounting member mounted on the base, a gear rack, a gear, and a positioning member. The mounting member defines a sliding groove. The gear rack slidably is received in the sliding groove and connected with the driver. The gear is rotatably connected with the mounting member and is meshed with the gear rack. The positioning member is fixedly-connected with the gear. The driver drives the gear rack to slide along the sliding groove to make the positioning member rotate and outstretch into an interior of the workpiece. The drivers drive two positioning members apply two opposite forces on the workpiece to positioning the workpiece.

Abstract: A feeding mechanism includes a supporting bracket; assembled to the supporting bracket; and a handling assembly. The handling assembly includes a pair of first handling subassemblies and a pair of first handling subassemblies. Each first handling subassembly includes a first guiding rod, a first elastic member, and a first handling member. The first guiding rod is slidably mounted on the supporting bracket, the first handling member is connected to the first guiding rod and the second guiding rod, the first elastic member is resisted between the first handling member and the supporting bracket. The second handling subassembly has a structure same as the first handling subassembly except that the guiding rod of the second handling subassembly has a length greater than that of the first guiding rod. The driving assembly is configured for driving the first handling member and the second handling member toward the supporting bracket.

Abstract: A water tank includes a box, an air valve body, a valve core, a cap, and an elastic element. The box defines an accommodating space and a vent communicating with the accommodating space. The air valve body is extended out from the box and adjacent to the vent. The valve core is mounted to the valve body to airproof the vent, and comprises a first end inserted into the accommodating space through the vent and a second end opposite to the first end. The elastic element is arranged between the cap and the valve core. The valve core will open the vent to deform the elastic member and allow heated air in the accommodating space to leak out of the accommodating space through the vent, in response to an air pressure in the box is greater a reference air pressure.

Abstract: A display device includes a front side and a rear side. A screen is mounted on the front side. A stand is mounted on the rear side. The stand includes a first supporting piece and a second supporting piece obtusely connected to the first supporting piece. The first supporting piece is pivotably connected to the rear side of the display device. A circuit board is mounted on the first supporting piece of the stand.

Abstract: A robot arm assembly with tubes or pipes carrying fluids or electrical cables which do not get bent and are relatively straight, and are not disrupted by, the moving parts of the robot arm includes a first robot arm, a second robot arm, a third robot arm, and a flexible carrying tube. The second robot arm includes a first axle base, a first input shaft, a first bevel gear, and a second bevel gear. The flexible tube is inserted into the first bevel gear and the second bevel gear along a first axis, and fixed to the output shaft.

Abstract: An electronic device includes a housing and a functional module received in the housing. The housing includes a bottom wall, two sidewalls extending from opposite sides of the bottom wall, and two connecting walls. Each of the connecting walls extends from an edge of each sidewall away from the bottom wall and bends towards to the other of the connecting walls. The bottom wall, the sidewalls and the connecting walls cooperatively form a receiving space having at least one opening. The functional module includes a fixing frame positioned adjacent to the bottom wall, a circuit board positioned on the fixing frame, and a display panel positioned on circuit board away from the fixing frame and electrically connected with the circuit board. The fixing frame is capable of being slidably pushed into the housing via the at least one opening together with the circuit board and the display panel.

Abstract: A computing device reads an entire image of an object. The entire image is spliced by a plurality of part images. A user selects an area on the entire image. The computing device determines a first number of first pixel points between a center point of the selected area and a center point of each covered image. The converted images are part images that the selected area covers. The coordinate values of the center point of the selected area are calculated according to the first number of pixel points and a size of each pixel point of the entire image. The computing device calculates coordinate values of each point of a selected area according to the size of each pixel point and the coordinate values of the center point of the selected area.

Abstract: A grinding wheel machining device includes a movable platform and a grinding wheel machining mechanism. The grinding wheel machining mechanism includes a mounting assembly, a tool holder mounted on the movable member, a machining tool mounted on the tool holder, and an adjusting assembly. The mounting assembly includes a fixing base mounted on the movable platform, a movable member mounted onto the fixing base, and a rotation shaft received into the fixing base and the movable member. The machining tool includes a cutting edge. The adjusting assembly includes a reference member and an adjusting member. The reference member is fixed on the movable member and includes a reference surface. The reference surface is coplanar with a central axis of the rotation shaft. The adjusting member is received into the tool holder and threaded into the reference surface.

Abstract: A storage device includes a connector with first to ninth pins, a serial advanced technology attachment (SATA) control chip, a universal serial bus (USB) control chip, and a storage chip. Voltage terminals of the SATA control chip, the USB control chip, and the storage chip are connected to the first pin of the connector. Second, third, fifth, and sixth signal terminals of the SATA control chip are connected to the fifth pin, the sixth pins, the eighth pin, and the ninth pin of the connector, respectively. Output terminals of the SATA control chip and the USB control chip are connected to a signal terminal of the storage chip. Second, third, fifth, sixth, eighth, and ninth signal terminals of the USB control chip are connected to the second pin, the third pin, the fifth pin, the sixth pin, the eighth pin, and the ninth pin of the connector, respectively.

Abstract: In a method to measure widths of measured parts placed on a platform, a computing device connects to one or more charge coupled device (CCD) cameras. The method controls each of the CCD cameras to capture a digital image from a measured part that is placed near the CCD cameras, obtains the digital image of the measured part from each of the CCD cameras in a predefined order, and obtains a binary expression from the digital image of the measured part. When the measured part is placed in a correct position on the platform, the method further obtains three points from an upper boundary of the measured part in the binary expression and another three points from a lower boundary of the measured part in the binary expression, and calculates width of the measured part according to the obtained six points.

Abstract: A Redundant Array of Independent Disks (RAID) card is coupled to a baseboard management controller (BMC) of an electronic device. The BMC is coupled to a host device, and includes a storage unit for storing data of RAID level. A method can include obtaining a boot command from the host device, and generating a control signal according to the stored RAID level in response to the boot command. The method further includes transmitting the control signal to the RAID card, to direct the RAID card to set the stored RAID level, testing whether the stored RAID level is correctly set, and storing data indicative of the tested result in a register of the RAID card. The method further includes determining whether the stored RAID level is correctly set in the RAID card according to the data in the register, and storing the determined result in the storage unit.

Abstract: A hard disk support for holding a hard disk drive can include a frame, a bracket, and a plurality of arched ribs. The bracket is located in the frame. The plurality of arched ribs extends from the frame toward to the bracket, and the arched ribs couple the bracket to the frame. When the hard disk support is shaken at a first orientation, the arched ribs are deformed to reduce the shock to the bracket to relieve the shock to the hard disk drive. As a result, the hard disk drive can be secured on the hard disk support without shock absorbers to absorb shock.

Abstract: An electronic device comprises a main body, a plurality of I/O interfaces, and an ejecting apparatus. The ejecting apparatus is mounted on the main body and comprises an enclosure, a supporting member received in the enclosure, a carrier secured on the supporting member to support the I/O interfaces, a first driving unit, and a second driving unit. The first driving unit drives the carrier to slide along a first direction, and the second driving unit drives the carrier to slide along a second direction opposite to the first direction. When the I/O interfaces are exposed out of the enclosure, the first force is larger than the second force. When the carrier is operated to slide to a position where the second force is larger than the first force, the I/O interfaces are driven to be received in the enclosure.

Abstract: A clamping apparatus includes a support, a fixing shaft fixedly mounted on the support, a driving mechanism supported by the support, and at least two clamping assemblies positioned on the fixing shaft and the moving shaft. The driving mechanism includes a driving member fixed on the support, and a moving shaft assembled to the driving member. Each clamping assembly includes a first clamping member, a second clamping member, a first connecting member, and a second connecting member. The first clamping member and the second clamping member are pivotally coupled with the fixing shaft, the first connecting member is hinged with the first clamping member and the moving shaft, the second connecting member is hinged with the second clamping member and the moving shaft. The first clamping member and the second clamping member of each clamping assembly are capable of moving toward each other for clamping a workpiece.

Abstract: A universal joint includes a first rotating member, an annular connecting member, a pair of first connecting assemblies, a second rotating member, and a pair of second connecting assemblies. The annular connecting member is rotatably sleeved on the first rotating member, the connecting member defines a pair of first connecting holes at opposite sides and a pair of second connecting holes at opposite sides. The pair of first connecting assemblies respectively extends into the pair of first connecting holes to rotatably connect the first rotating member to the connecting member. The second rotating member is rotatably sleeved on the connecting member. The pair of second connecting assemblies respectively extends into the pair of second connecting holes to rotatably connect the second rotating member to the connecting member.