Abstract: An apparatus includes a casing, an electrical connector, and a latch unit. The electrical connector is provided in the casing, and is coupled electrically to a terminal of a disk drive when the latter is received in the casing. The latch unit includes a latch member that is provided on the disk drive, a first interlocking member that is formed on the latch member, an operating member that is pivoted to the casing, and a second interlocking member that is formed on the operating member, and that engages the first interlocking member when the electrical connector is connected to the terminal of the disk drive. The operating member is operable so as to disengage the second interlocking member from the first interlocking member, thereby permitting removal of the disk drive form the casing.

Abstract: An electronic device includes a casing and a board assembly. The casing defines an accommodating space, and a slot that is in spatial communication with the accommodating space. The board assembly includes a circuit board and a hot-swap port. The circuit board is mounted in the accommodating space in the casing. The hot-swap port is coupled electrically to and is mounted directly on the circuit board, extends into the slot in the casing, and is adapted to be connected electrically to a hot-swap component received in the slot in the casing.

Abstract: A real-time load current detecting circuit composed of a power supply circuit, a delay circuit, a current sensing circuit, and a current feedback circuit. The power supply circuit is adapted for providing the CPU with a power source. The delay circuit includes a resistor and a capacitor, connected to the power supply circuit. The current sensing circuit includes a comparison circuit connected to the delay and power supply circuits. The current feedback circuit includes a feedback current source and a resistor, connected to the current sensing circuit. The feedback current source is adapted for mirroring a current sensed by the current sensing circuit. In light of this, the current can be accurately monitored and detected and there is hardly inaccuracy for the detection of the current.

Abstract: A packaging device has a container provided with a shock-absorbing unit that includes a bottom pad, and a plurality of side pads extending upward from opposite sides of the bottom pad. Each of the bottom and side pads includes a plate member that has a corrugated base plate region and a peripheral flange surrounding the corrugated base plate region. The corrugated base plate region projects from an inner surface of the container to absorb shock when the peripheral flange abuts against the inner surface. Partition pads are provided to span opposite side pads when an object to be packaged is small.

Abstract: A miniaturized multi-chip module suitable for application to wireless transmission devices includes a substrate, integrated circuit chips mounted on and connected electrically to the substrate, and an interposer mounted on one surface of the substrate. The interposer cooperates with the substrate to confine a receiving space for receiving the integrated circuit chips on the surface of the substrate to which the interposer is attached, and is provided with conductors that are connected electrically to the substrate. Therefore, when the interposer is mounted on a circuit board, the conductors serve as external electrical connections for the integrated circuit chips. A method for manufacturing the miniaturized multi-chip module is also disclosed.

Abstract: An expansion card for a thin type computer in which the expansion card includes a bracket for mounting to the housing of the thin type computer, a circuit board mounted on the bracket for electrically connecting to the motherboard, and a plug terminal mounted on the bracket and electrically connected to the circuit board. When the circuit board is connected to the motherboard, the vertical height of both of the bracket and the circuit board above the motherboard is less than 80 mm.

Abstract: A planar antenna, which is operable within the ultra wide bandwidth, includes a dielectric substrate, a radiating element, a feeding element, and a grounding element. The dielectric substrate has opposite first and second surfaces. The radiating element is formed on the first surface of the dielectric substrate, and includes a tapered part. The tapered part has a converged end portion, and a pair of jagged sides that diverge from the converged end portion. The feeding element is formed on the first surface of the dielectric substrate, and extends from the converged end portion of the tapered part of the radiating element. The grounding element is formed on the second surface of the dielectric substrate.

Abstract: A planar antenna, which is operable within the ultra wide bandwidth, includes a dielectric substrate, an elliptical radiating element, a feeding element, and a grounding element. The dielectric substrate has opposite first and second surfaces. The elliptical radiating element is formed on the first surface of the dielectric substrate, and has major and minor axes. The ratio of the major axis to the minor axis is between 1.25 and 1.7. The feeding element is formed on the first surface of the dielectric substrate, and is coupled to the radiating element. The grounding element is formed on the second surface of the dielectric substrate, and is coupled to the feeding element.

Abstract: An auxiliary fixing mechanism is used for fixing an interface card to the housing of a computer. The auxiliary fixing mechanism includes an I/O window and an auxiliary fastener. The I/O window has a fixing slot and a first screw hole. The auxiliary fastener includes a first baffle, a second baffle, a third baffle, a fixing hook and a positioning hook. A screw is passed through the second screw hole of the auxiliary fastener in a direction that is vertical to the interface card. The bracket of the interface card is pushed and stopped by the baffles to restrict the movement of the interface card. Thereby, the auxiliary fixing mechanism can change the fixing direction for fixing the screw to prevent the prior art problem that the interface card could not be fixed to the housing via a screw due to space limitations.

Abstract: An electronic device includes: a conductive housing having an upright end wall formed with an opening; a mother board mounted in the conductive housing and having an end that is disposed adjacent to the upright end wall of the conductive housing, and a grounding trace that has a first end portion disposed adjacent to the end of the mother board, and a second end portion distal from the end of the mother board; a connector mounted on the mother board adjacent to the end of the mother board, extending through the opening in the upright end wall of the conductive housing, and having a grounding pin in electrical contact with the first end portion of the grounding trace; and a ground-bridging mechanism disposed adjacent to the first end portion of the grounding trace and bridging electrically the conductive housing and the first end portion of the grounding trace.

Abstract: An optical alignment method is for an optical module including a housing unit, a light-sensing unit, and a lens unit. The method includes: (a) through image-capturing techniques, finding a light-sensing component of the light-sensing unit and a predetermined reference point, and determining an actual total optical path length between the light-sensing component and an object position; (b) subtracting a correction distance from the actual total optical path length to obtain a corrected total optical path length; (c) finding a first center line that divides the corrected total optical path length in half; (d) through image-capturing techniques, finding opposite first and second edges of the lens unit, and determining a lens length between the first and second edges; (e) finding a second center line that divides the lens length in half; and (f) assembling the lens unit to the housing unit such that the first and second center lines overlap.

Abstract: A wireless transmission method for tire detection signals increases the percentage of successfully received tire detection signals received by the receiving unit and extends the usage life of batteries. A delay time for emitting the tire detection signals via the detection unit is calculated according to the acceleration of the tire. The operation time for one rotation of the tire is divided into several equal periods. Then, the tire detection signals are emitted to the receiving unit via a wireless transmission method.

Abstract: A high gain broadband planar antenna is provided for overcoming conventional antenna structure that cannot be applied to a high gain broadband. The antenna includes a microwave substrate having a first surface and a second surface, a first symmetric radiation unit having a first radiation part and a second radiation part disposed on the first surface, a second symmetric radiation unit having a third radiation part and a fourth radiation part disposed on the second surface, and at least one connecting unit connected to the microwave substrate and a reflector. An end terminal of each first radiation part, second radiation part, third radiation part and fourth radiation part adopts a step structure design. The planar antenna of the present invention can achieve a high gain broadband effect.

Abstract: An assembled type of display apparatus has a base and a display body. The base has a plurality of positioning posts and a resilient latching member. The display body has an outer casing. The outer casing forms a plurality of first positioning and guiding holes and a plurality of second positioning and guiding holes in a circumferential face and a rear face thereof, respectively. When the circumferential face of the outer casing is connected to the base, each of the positioning posts is retained in the corresponding first positioning and guiding hole, and the resilient latching member latches onto the outer casing. When the rear face of the outer casing is connected to the base, each of the positioning posts is retained in the corresponding second positioning and guiding hole, and the resilient latching member latches onto the outer casing.

Abstract: The removable hard disk housing assembly includes a housing substrate, a hard disk supporting frame, a rotatable handle, a supporting piece, two plates-liked elements and two springs. The hard disk supporting frame is connected with the housing substrate to support a hard disk. The rotatable handle is positioned at the front side of the housing substrate. The supporting piece is rotatably positioned at the housing substrate. The plates-liked elements are movably positioned within the housing substrate and are pulled by supporting piece and protrude and retract in respond to movement of the supporting piece. Two springs are positioned between the plate-liked elements and the housing substrate and are used to bias the plate-liked elements. It prevents the hard disk from falling off when the assembly is subjected to external forces. The assembly is fixed by two extension portions so that force used to fix the assembly is well distributed.

Abstract: A method for detecting errors in laminating order of layers of a multi-layer printed circuit board, includes: preparing a multi-layer printed circuit board including a plurality of conductive layers and a plurality of dielectric layers disposed alternately with the conductive layers; defining a conductive line, a conductive reference surface, and a through-hole on three adjacent ones of the conductive layers in such a manner that the conductive line, the conductive reference surface, and the through-hole are aligned in a normal direction relative to the multi-layer printed circuit board; coupling a Time Domain Reflectometer (TDR) to the conductive line and the conductive reference surface so as to form a signal transmission line; and sending a pulsed signal into the conductive line through the TDR so as to measure characteristic impedance of the signal transmission line.

Abstract: A twin-substrate wireless electronic module includes a main substrate, a plurality of integrated circuit chips, a frame substrate, a filter, and a shield member. The main substrate has a first surface and a second surface, and is formed with a notch that extends from the first surface through the second surface. The integrated circuit chips are surface-mounted on the first and second surfaces of the main substrate. One of the integrated circuit chips disposed on the first surface is a transceiver integrated circuit chip. The frame substrate has a first frame surface and a second frame surface. The first frame surface has a filter-mounting area aligned with the notch. The filter is surface-mounted on the filter-mounting area and is accommodated in the notch. A method for manufacturing the twin-substrate wireless electronic module is also disclosed.

Abstract: A planar antenna includes a dielectric substrate, first and second radiating elements, a feeding strip, and a grounding unit. The first radiating element is formed on the dielectric substrate. The second radiating element is formed on the dielectric substrate and is connected to the first radiating element. The feeding strip is formed on the dielectric substrate and extends from the second radiating element. The grounding unit is formed on the dielectric substrate, is physically disconnected from the first and second radiating elements and the feeding strip, and includes a pair of grounding elements that are physically disconnected from each other and that are disposed on opposite sides of the feeding strip.

Abstract: A fastening device for retaining a disc drive and being connected with a casing of an electronic product is disclosed. The casing has a recess and a stop portion. The fastening device has a bracket, a resilient latching member, and a resilient locking member. The bracket has a plate body. The resilient latching member is fixed on the plate body and has a first resilient plate. The resilient locking member is fixed on the plate body and has a second resilient plate. The first resilient plate latches on to the disc drive, so that the disc drive and the fastening device are combined. The fastening device and the disc drive are received in the recess of the casing, and the second resilient plate locks on to the stop portion of the casing. As a result, the disc drive is capable of being installed in and removed from the electronic product.

Abstract: An electronic device includes a casing, a camera housing, a coupler, and an elastic member. The casing is formed with a hole therethrough. The coupler has a first end portion that is received rotatably in the hole in the casing, a second end portion that is coupled to the camera housing, and a flange that is disposed between the first and second end portions of the coupler. The flange of the coupler is provided with a protrusion that is in sliding contact with a periphery of the hole in the casing. The elastic member surrounds the first end portion of the coupler, is disposed between and is in airtight contact with the flange of the coupler and the periphery of the hole in the casing, and is in sliding contact with the periphery of the hole in the casing.