Abstract: An electronic device includes resistor, a pointer, a measuring module, a calculating module, and a display module. The resistor has a reference point corresponding with a reference direction. The resistor defines a circle. The pointer has a pointing terminal contacting the resistor at a contacting point corresponding with a reference direction. The pointer is pivotablely mounted about a centre of the circle. The pointer is aligned with the magnetic field of the Earth, and the measuring module measures the voltage between the contacting point and the reference point. The calculating module calculates an angle between the current direction and the reference direction according to the voltage between the contacting point and the reference point of the resistor. The display module displays corresponding direction information according to the angle.

Abstract: A pressing head structure (100) for testing key durability includes a pressing mechanism (10), a rubber head (40), a connecting mechanism (20) and a balance mechanism (30). The pressing mechanism includes a sliding rod (12) and a first spring (16). The first spring is placed over the sliding rod. The connecting mechanism connects the pressing mechanism and the rubber head. The balance mechanism is rotatably fixed to the connecting mechanism. The balance mechanism engages with the pressing mechanism. When the sliding rod moves down, the first spring and the balance mechanism together supply an unaltered resultant resistance in the moving direction of the sliding rod.

Abstract: A lens adjusting device (100) includes an optical module (10) and a driver module (20). The driver module includes a seat (22), at least one magnet (24) and at least one winding (26). The optical module is rotatably fixed on the seat. The magnet is fixed on the optical module. The magnet and the winding are positioned at one side of the optical module. A variable current is applied to the winding, and a magnetic field is formed at ends of the winding. The magnetic forces between the magnetic field and the magnet drives the optical module to rotate.

Abstract: A method for making silicon nano-structure, the method includes the following steps. Firstly, providing a growing substrate and a growing device, the growing device comprising a heating apparatus and a reacting room. Secondly, placing the growing substrate and a quantity of catalyst separately into the reacting room. Thirdly, introducing a silicon-containing gas and hydrogen gas into the reacting room. Lastly, heating the reacting room to a temperature of 500˜1100° C.

Abstract: A vibration dampening structure for a disk drive includes a bracket for receiving the disk drive and an elastic peg for dampening vibration of the disk drive. The bracket includes a pair of side panels for receiving the disk drive therebetween. An elastic clamp is formed on each side panel. A hole is defined in the clamp. The elastic peg includes a flexible head portion abutting the disk drive, and a handle portion extending into the hole. The head portion is configured for buffering the disk drive in an inner side of the bracket. The handle portion is capable of being pulled to move the head portion and the clamp away from the disk drive for disengaging the elastic peg from the disk drive.

Abstract: A mixed light apparatus for mixing light emitted from a first light source and a second light source includes a body, a first light reflecting element, a second light reflecting element and a field lens. The body has a light emitting surface. A first reflecting element extends from the light emitting surface. The first light reflecting element has a first emanating point and a first focal point. The first light source is disposed at the first focal point. A second light reflecting element extends from the light emitting surface. The second light reflecting element has a second emanating point and a second focal point. The second light source is disposed at the second focal point. The first emanating point and the second emanating point overlap at the light emitting surface. The field lens is disposed on the light emitting surface and corresponds to the first and second emanating points.

Abstract: An apparatus includes container. The container includes a polygonal bottom panel comprising of N sides, N sidewalls and N flaps. Each flap is located between two adjacent sidewalls. The flaps are capable of unfolding to increase the volume of the container. N is a positive integer greater than two.

Abstract: A switching power supply saving system includes a power interface, a power converting circuit, a relay, a relay driving circuit, a trigger, and a timing sequence circuit. The power converting circuit is configured to receive the AC power from the power interface. The power converting circuit is capable of transforming the AC power to direct current (DC) power to supply to a motherboard. When the timing sequence circuit receives a power on signal, the timing sequence circuit is capable of controlling the relay driving circuit via the trigger to cause the relay to connect the power converting circuit to the power interface. When the timing sequence circuit receives a power off signal, the timing sequence circuit is capable of controlling the relay driving circuit via the trigger to cause the relay to cut off connection between the power converting circuit and the power interface.

Abstract: An enclosure for electronic device, includes a chassis and a cover. The chassis defines an opening. The chassis includes a drive bracket mounted therein. The drive bracket includes a side plate facing the opening. A through hole is defined in the side plate. A rotating member is pivotally mounted on the side plate. The rotating member includes a positioning pin. A data storage device is received in the drive bracket. The data storage device defines a locking hole in alignment with the through hole of the side plate. The cover is mounted on the chassis to cover the opening of the chassis. The cover abuts the rotating member so that the positioning pin is inserted in the through hole and the locking hole to secure the data storage device in the drive bracket of the chassis.

Abstract: A circuit board assembly includes a circuit board with two heat dissipating assemblies mounted thereon and an L-shaped back plate attached to an underside of the circuit board. Each of the heat dissipating assembly includes at least a pair of securing members at opposite corners thereof. The back plate includes a first portion and a second portion each defining at least a pair of circular protrusions corresponding to the securing members of the heat dissipating assemblies.

Abstract: A keypad module for a mobile electronic device is provided. The mobile electronic device has a main body. The keypad module includes a receiving bracket adapted to be mounted on the main body. A flexible circuit board is arranged in the receiving bracket. A switching sheet is located above the flexible circuit board, and capable of actuating the flexible circuit board to produce electrical signal. A rubber sheet is disposed on the switching sheet, and shielding cover sits on the rubber sheet. Wherein the shielding cover is secured to receiving bracket. The shielding cover and the receiving bracket cooperatively define a receiving housing to accommodate the flexible circuit, the switching sheet, and the rubber sheet.

Abstract: A mixed light apparatus for mixing light emitted from a first light source and a second light source includes a body, a first light reflecting element and a second light reflecting element. The body has a light emitting surface. A first reflecting element extends from the light emitting surface. The first light reflecting element has a first emanating point and a first focal point. The first light source is disposed at the first focal point. A second reflecting element extends from the light emitting surface. The second light reflecting element has a second emanating point and a second focal point. The second light source is disposed at the second focal point. The first emanating point and the second emanating point overlaps and are disposed on the light emitting surface.

Abstract: A latch mechanism used in a portable electronic device includes a housing member, a cover member, and a latching assembly. The cover member forms a claw, and the housing member defines a positioning hole. The latching assembly can be slidably mounted in the housing member and slides between a latched position and a released position. In the latched position, the cover member latches to the housing member. The latched position is maintained by entry of the claw into the positioning hole. In the released position, the cover member releases from the housing member, and the claw is released out of the positioning hole. During the sliding process, the latching assembly abuts and directly raises the cover member relative to the housing member from the latched position to the released position.

Abstract: An electronic device is described. The electronic device includes a housing, a printed circuit board mounted in the housing, an earphone and a retracting mechanism. The earphone includes a connecting cable and a head member. One end of the connecting cable is connected to the printed circuit board, the other is connected to the head member. The retracting mechanism includes a receiving compartment and a receiving space communicating with the receiving compartment. The receiving compartment receives the connecting cable therein. The head member is received in and fixed to the receiving space.

Abstract: An adaptor for a memory card includes a printed circuit board (PCB) conversion board, a memory card connector, a serial interface connector, a signal convertor, and a parallel interface connector. When a motherboard is connected to the serial interface connector, serial signals output from the motherboard are transmitted to the signal convertor via the serial interface connector. The signal convertor converts the serial signals into parallel signals and transmits the parallel signals to the memory card. When the motherboard is connected to the parallel interface connector, parallel signals output from the motherboard are transmitted to the memory card via the PCB conversion board without any parallel-to-serial signal conversion.

Abstract: A mounting apparatus includes a support member, a sliding member, a spring member, and a cover. The support member is configured for maintaining an electronic device thereon. The sliding member is configured for being secured on a display. A retaining portion is located on the sliding member and defines a through hole. A spring member is secured on the support member and engages the through hole of the sliding member. A cover is secured on the support member to position the sliding member between the support member and the cover. The sliding member is slidable relative to the support member and the spring member, and the retaining portion resiliently deforms the spring member.

Abstract: An apparatus for preparing a rolled food product, such as sushi. The apparatus has a container having a first end and a second end, wherein at least the first end has one aperture. The container is positionable between a closed position, defining a hollow interior space, and an open position, presenting a plurality of cavities. Each of the cavities can receive food material such as rice. There is also a plunger assembly that passes the aperture when the container is in the closed position. The plunger assembly is then used to compress the food material in the hollow interior space to form a roll having a desired consistency.

Abstract: A heat sink assembly includes a heat sink main body and a contact member attached to a base of the heat sink main body. The contact member includes a container with thermal grease contained therein and a movable cover movably attached to the container. The container includes a bottom plate configured to contact a heat generating component, and a plurality of holes defined in the bottom plate. When the heat sink is attached to the heat generating component, the movable cover is pressed towards the container and impels the thermal grease out from the holes to spread the thermal grease between the bottom plate of the container and the heat generating component.

Abstract: A power supply circuit for a motherboard includes an input/output (I/O) controller, a power circuit providing a working voltage for the I/O controller, and a first resistor. The I/O controller includes an I/O controller voltage pin and an I/O controller case open detection (COPEN) pin. The power circuit includes an input, a first output, a second output, and a GND pin. The input of the power circuit is connected to a standby power supply; and the first output of the power circuit is connected to the I/O controller voltage pin. The second output of the power circuit is connected to the I/O controller COPEN pin via the first resistor; and the GND pin of the power circuit is grounded.