Abstract: A lockable storage device includes a main body defining a connector; and a locking mechanism including a stopping member and a driving plate assembly. The connector defines a receiving space for receiving a port, the stopping member is movable in the receiving space. The driving plate assembly includes a number of driving plates marked with numbers. When a combination of numbers, formed by surfaces which are on a same plane, is different from a predetermined number sequence, the storage device is locked, when the combination of numbers formed by the surfaces is the same as the predetermined number sequence, the storage device is unlocked.

Abstract: A reduced-noise pneumatic motor has a housing with a cap disposed at a first end, the cap having an air inlet; a base disposed at a second end, the base having an air outlet hole formed therein and configured to at least partially receive a noise damping system, and a piston pump extending therethrough; and bolts extending from the cap to the base to secure the cap and the base to the housing. A pneumatic piston is disposed within the housing, and includes a shuttle valve situated within a central bore of the pneumatic piston. A piston rod has a first end extending into the piston pump and a second end secured to a spring which biases the piston rod against the pneumatic piston.

Abstract: Various aspects of this disclosure provide a recording medium for heat-assisted-magnetic-recording (HAMR). The recording medium may include a substrate. The recording medium may further include a recording layer. The recording medium may also include a thermal control layer between the recording layer and the substrate. The thermal control layer may have a thermal conductivity that increases with increasing temperature.

Abstract: A circuit removing static electricity from a connected electronic device includes a detecting device, an amplifier, a switch device, and a control device. The detecting device detects a change of a magnetic flux surrounding the electronic device, and generates an analog electronic signal accordingly. The amplifier connects to the detecting device and amplifies the analog electronic signal. The control device connects to the amplifier, filters an amplified analog electronic signal, and generates a control signal. The switch device connected to the control device as well as the electronic device conducts the static electricity to earth in response to the control signal.

Abstract: A stacked-plate heat exchanger for cooling a plurality of heat-generating electronic components arranged in a plurality of layers comprises a stack of flat tubes defining a plurality of parallel fluid flow passages, the tubes being separated by spaces for receiving the electronic components. One or more flow-restricting ribs is arranged within at least some of the fluid flow passages to partially block fluid flow between at least one the manifolds and the heat transfer area by reducing the height of the fluid flow passage outside the heat transfer area, along at least a portion of the width of the fluid flow passage, in order to improve the flow distribution of a heat transfer fluid between and within the fluid flow passages of the heat exchanger, and to minimize bypass flow at the outer edges of the fluid flow passage.

Abstract: In various embodiments, a magnetic medium may be provided. The magnetic medium may include a substrate. The substrate may include a servo layer over the substrate. The servo layer may include a cap layer having a first coercivity. The servo layer may also include a granular layer having a second coercivity greater than the first coercivity. The servo layer may also include an intervening layer between the cap layer and the granular layer.

Abstract: A lockable storage device includes a main body defining a connector; and a locking mechanism including a stopping member and a driving plate assembly. The connector defines a receiving space for receiving a port, the stopping member is movable in the receiving space. The driving plate assembly includes a number of driving plates marked with numbers. When a combination of numbers, formed by surfaces which are on a same plane, is different from a predetermined number sequence, the storage device is locked, when the combination of numbers formed by the surfaces is the same as the predetermined number sequence, the storage device is unlocked.

Abstract: Apparatuses and methods are disclosed for identity authentication. An exemplary method may include obtaining biometric information for authentication collected by a terminal, and identity information sent by the terminal. The method may also include obtaining prestored biometric information corresponding to the identity information. The method may further include determining whether the biometric information for authentication matches the prestored biometric information. If yes, the method may include determining that the identity authentication is successful. Otherwise the method may include determining that the identity authentication is not successful.

Abstract: A circuit removing static electricity from a connected electronic device includes a detecting device, an amplifier, a switch device, and a control device. The detecting device detects a change of a magnetic flux surrounding the electronic device, and generates an analog electronic signal accordingly. The amplifier connects to the detecting device and amplifies the analog electronic signal. The control device connects to the amplifier, filters an amplified analog electronic signal, and generates a control signal. The switch device connected to the control device as well as the electronic device conducts the static electricity to earth in response to the control signal.

Abstract: Various aspects of this disclosure provide a recording medium for heat-assisted-magnetic-recording (HAMR). The recording medium may include a substrate. The recording medium may further include a recording layer. The recording medium may also include a thermal control layer between the recording layer and the substrate. The thermal control layer may have a thermal conductivity that increases with increasing temperature.

Abstract: In various embodiments, a magnetic medium may be provided. The magnetic medium may include a substrate. The substrate may include a servo layer over the substrate. The servo layer may include a cap layer having a first coercivity. The servo layer may also include a granular layer having a second coercivity greater than the first coercivity. The servo layer may also include an intervening layer between the cap layer and the granular layer.

Abstract: According to an embodiment of the present invention, a data storage device comprising a motor having a stator is disclosed. The stator may include a substrate having a first surface and a second surface opposite to the first surface; and a n-phase winding arrangement having n phase windings; wherein each phase winding comprises m flat fractional-pitch coils arranged on the first surface of the substrate such that the coils are spaced apart uniformly along a closed loop and connected in series; wherein each coil together with an angular section of the substrate between the coil and an adjacent coil of the same phase winding defines a stator pole-pair; and wherein m is an integer larger than 1.

Abstract: An automatic vending machine with a stabilizing support for stocked items of merchandise includes a cabinet, a driving member secured in the cabinet, a helical element, and a pressing member secured to the cabinet. The cabinet includes a bottom plate. The helical element is secured to the driving member and moveable by the driving member. The pressing member is located within the coils of the helical element and runs the length of the helical element to support items of merchandise and reliably deliver an item of merchandise when bought.

Abstract: According to an embodiment of the present invention, a data storage device comprising a motor having a stator is disclosed. The stator may include a substrate having a first surface and a second surface opposite to the first surface; and a n-phase winding arrangement having n phase windings; wherein each phase winding comprises m flat fractional-pitch coils arranged on the first surface of the substrate such that the coils are spaced apart uniformly along a closed loop and connected in series; wherein each coil together with an angular section of the substrate between the coil and an adjacent coil of the same phase winding defines a stator pole-pair; and wherein m is an integer larger than 1.

Abstract: A dispensing device in a vending machine to prevent an accidental loss of goods when being operated by a customer includes a bracket, a shaft, a first mounting member, a second mounting member, and a sleeve. The first mounting member includes two first sidewalls. The second mounting member includes two second sidewalls. The sleeve is secured around the shaft. Each first sidewall and each second sidewall cooperatively define an installation opening rotatably receiving the shaft therein. The sleeve is limited between the first sidewalls and the second sidewalls, preventing the shaft from moving up and down.

Abstract: A dispensing device for a vending machine includes a frame, a base plate, a limiting member attached to the frame, and a pivot shaft. When supported, the base plate carries a product item but when the support is rotated away the base plate drops to release the product item. The frame includes a main plate and a pair of mounting pieces with mounting holes. The base plate includes a pivot hole for the pivot shaft, the pivot shaft includes a rod, extending though the mounting hole and the pivot hole, and a limiting cap, connected to a distal end of the rod. An inner side of the limiting cap resists against the mounting piece. A resisting post on the limiting member resists against an outer side of the limiting cap, thereby preventing the pivot shaft from working loose and disengaging out of the mounting hole.

Abstract: A luminous intensity test device includes an optical frequency converter, a display, and a processor. The optical frequency converter selectively converts at least a portion of light emitted by a light source into a digital signal. The display displays a color selection interface. The processor processes the digital signal and obtains the luminous intensity. When a tester inputs a color parameter into the color selection interface via an input device, the optical frequency converter converts a kind of light to the digital signal and then the processor processes the digital signal to obtain a luminous intensity and display the luminous intensity on the display.

Abstract: An exemplary method for manufacturing a circuit board includes, firstly, obtaining an insulating substrate, liquid heat-curable adhesive and electrically conductive particles. The electrically conductive particles are added into the liquid heat-curable adhesive. The electrically conductive particles in the heat-curable adhesive are activated by electrical discharge. Secondly, the liquid heat-curable adhesive having activated electrically conductive particles are spread on the insulating substrate to form a heat-curable adhesive layer on the insulating substrate. Thirdly, the heat-curable adhesive layer are exposed to the mid-infrared light by using a photo-mask, the photo-mask has a pattern corresponding to a desired circuit pattern of the circuit board. The electrically conductive particles relocated themselves one by one to form the circuit pattern under irradiation by the mid-infrared light. Finally, the heat-curable adhesive layer are hardening.

Abstract: A road traffic control system is applied to an intersection to control traffic and includes a light support, three traffic lights, a speed measuring device, a light controller, and an alarm. The light support is installed at one lane at the intersection; the three traffic lights are installed on the light support to control traffic. The speed measuring device is installed on guardrails on the lane to measure current speed of vehicle. When one of the traffic lights changes its color to indicate stopping, the light controller synchronously controls the speed measuring device to detect the current speed of the vehicle that is passing through the speed measuring device, and compares the measured speed of the vehicle with a preset speed limit. The alarm outputs warning signals when the measured speed is above the preset speed limit.

Abstract: An automatic vending machine with a stabilizing support for stocked items of merchandise includes a cabinet, a driving member secured in the cabinet, a helical element, and a pressing member secured to the cabinet. The cabinet includes a bottom plate. The helical element is secured to the driving member and moveable by the driving member. The pressing member is located within the coils of the helical element and runs the length of the helical element to support items of merchandise and reliably deliver an item of merchandise when bought.