Abstract: An electrostatic loudspeaker includes a backplate having a metal film acting as one electrode of a capacitor and defining a number of sound apertures therein; a diaphragm insulatively spaced a distance from the backplate to form the capacitor; the diaphragm comprising a metal film acting as the other electrode of the capacitor; a back chamber having a substrate and an insulative spacer for joining edge portions of the diaphragm and the substrate; a driving circuit element for converting electrical signals from exterior input pads into driving signals to drive the diaphragm to vibrate and sound; the driving circuit element being mounted on an inner surface of the substrate and being accommodated in the back chamber; and a first, second and third connection paths for respectively electrically connecting the driving circuit element with the two electrodes of the capacitor, and the exterior input pads. An electrostatic loudspeaker with two backplates is also disclosed.

Abstract: A hanging type earphone with a hinge unit includes an earphone body, a hang member and a hinge unit. The earphone body has a connecting base defining a receiving space. The hinge unit received in the receiving space includes a positioning base, an axis cover and a pivotal axis having a mating portion whose cross-section is a polygon. The axis cover presses against the positioning base to form a pivotal space, one end of the pivotal axis is fixed in the hang member and the other end passes through the pivotal space, the mating portion mates with the side walls of the axis cover, thereby, the earphone body is positioned after rotating relatively to the hang member. Moreover, the pivot axis can be pulled out from the pivotal hole and then inserted into the pivotal space from the opposite direction, so the hanging type earphone can be hung on either ear of the user.

Abstract: Provided is a coplanarity-testing machine. The coplanarity-testing machine includes a working stage, an illuminant, an image picking-up processor, a frequency converter, a double-cross lines generator, a linear module and a display. The linear module includes a test vehicle, a linear drive mechanism and a regulating block. The linear drive mechanism can drive the test vehicle to linearly move to and fro on a bearing surface of the working stage. The regulating block is placed on a supporting surface of the test vehicle. By adjusting the double-cross lines generator, horizontal lines of the generator can coincide with a projecting line of the bottom surface of the regulating block, and vertical lines of the generator can measure the height of the regulating block. The coplanarity-testing machine can timely and exactly display the testing result, is easily operated, and has a high testing efficiency and a high exact degree of testing.

Abstract: An operating method for a large dimension plasma enhanced atomic layer deposition cavity and an apparatus thereof are provided. The present invention reduces the time needed for filling the manufacturing gas into the large volume manufacturing cavity. Therefore, the plasma enhanced atomic layer deposition apparatus can switch the precursors rapidly to increase the thin film deposition rate, reduce the manufacturing gas consumption and lower the manufacturing cost.

Abstract: A wire grip is adapted for fastening a wire and mounted to a tension device which pulls the wire grip to produce a pulling force to the wire. The wire grip includes a basic body and a capstan. The capstan is slidably mounted to the basic body for fastening an end portion of the wire and enabling the wire to be wrapped thereon. The capstan is movable in a direction relative to an axis thereof whereby to ensure the pulling force provided by the tension device is in alignment direction with the pulling force received by a middle portion of the wire.

Abstract: A battery connector is adapted for being assembled to a printed circuit board. The battery connector includes an insulating housing, two holding elements and a plurality of terminals. The insulating housing has two opposite side surfaces. The insulating housing defines a plurality of terminal cavities and receiving grooves. Two holding grooves are opened in two opposite ends of the insulating housing. Each side surface of the insulating housing protrudes sideward to form a locating piece. Each holding element has a base plate mounted to the holding groove and a holding piece projecting out of the holding groove to be inserted into the printed circuit board. The terminals are respectively received in the terminal cavities. Each terminal has two contacting portions having an interstice therebetween and facing towards the receiving groove, and a soldering portion projecting out of the terminal cavity to be inserted in the printed circuit board.

Abstract: An assembling jig for lens module comprises a crutch, a mobile carrier and a pressing mechanism. The crutch includes a level mounting base and an erect support wall joined to one side of the mounting base. A firm carrier is fixed on the mounting base. The mobile carrier fixed on the firm carrier comprises a carrier base, several positioning blocks disposed around the top surface of the carrier base, the positioning blocks surrounding a restraining groove in which a PCB with a lens socket is received. The pressing mechanism disposed on the support wall includes a pressing member can move up and down and a drive gear connected to one end of the pressing member. This kind of lens module component assembling jig features in assembling lens component steadily and can be applied to different kinds of lens component. Thus it abates the cost of assembling the lens component.

Abstract: An electrical connector includes an insulating housing with a plurality of terminals disposed therein, a buckling part, and a locking element. The insulating housing has a receiving chamber penetrating through a rear thereof. The insulating housing defines two buckling grooves with rears thereof being narrower than fronts thereof, and two fixing grooves connecting with insides of the buckling grooves. The buckling part is inserted in the buckling groove, and has a base arm, a contact arm and a fixing arm having a greater width than that of the base arm to be buckled in the front of the buckling groove. The locking element is inserted in the fixing groove, and has a base board resisting against the fixing arm, a fastening portion and a hook grappling an inside of the fixing groove. The fastening portion is located between the inside of the fixing groove and the fixing arm.

Abstract: An electronic storage device includes a first memory segment having at least one source block to store information, a second memory segment having at least one backup block corresponding to the source block to make a backup of the information in a LSB memory page of the source block and a control unit connecting with said first memory segment and second memory segment. The control unit reads/writes the first memory segment and second memory segment through two different signal channels respectively. The information can be simultaneously written into the first and second memory segment to get a backup of the information so that the information can be stored safely. The control unit recycles the backup block of the second memory segment not only after the source block of the first memory segment entirely finishes writing the information but also after the source block is erased up in order to release the storage space of the backup block.

Abstract: A display panel and a method for repairing signal lines thereof are disclosed. The display panel includes at least one shorting bar, switches, and auxiliary repair lines. The switches are electrically coupled respectively to signal lines and the at least one shorting bar. Both ends of each of the auxiliary repair lines overlap one of connections between the switches and the at least one shorting bar. When a signal line is damaged, the method for repairing includes: breaking off each of the connections between each of the switches and the at least one shorting bar by cutting; and welding both ends of one of the auxiliary repair lines which correspond to the damaged signal line with both sides of one of the connections which correspond to the damaged signal line.

Abstract: A spring connector includes a barrel, a plunger and a spring. The barrel includes a longitudinal space formed therein, an opening formed at a top thereof, a bottom plate formed at a bottom thereof and a narrow portion formed from a middle portion and to the bottom thereof. The plunger includes a contact portion protruding from the opening, a sliding portion received in the longitudinal space, and a limit recess formed in the lower sliding portion. A top end of the spring is received in and limited by the limit recess, and a bottom end and a middle portion is limited by the narrower portion to restrict the spring being compressed along a longitudinal direction thereof. The spring is also prevented from deviating from the longitudinal direction thereof.

Abstract: Provided is a suction cup including a cover, a shell, a suction mouth and an operating mechanism. The cover forms an opening. The shell is fixedly mounted on the cover. The suction mouth is fixedly mounted below the cover. The operating mechanism is pivotally mounted to the shell and includes a pivot body. The pivot body disposes a hand lever. An axle sleeve is fixedly mounted to the pivot body and disposes a pulling portion. The axle sleeve passes through a through hole of the suction mouth, and the pulling portion is against an upper inner surface of the through hole. By rotating the hand lever, the operating mechanism can upwardly pull the handle to raise the center of the suction mouth for rarefying air and making the suction cup be stably fixed on a plane. The suction cup has a simple structure and is convenient to be used.

Abstract: An automatic gluing mechanism includes a vertical board and a support rack and a power cylinder mounted to the vertical board. The mechanism includes a position adjusting member, a cam, two glue applicator tubes, a first connection block, two slidable members, a resilient element, and a stop block. The position adjusting member is slidably coupled to the vertical board and has an end coupled to the power cylinder and another end slidably coupled to the first connection block. The two slidable members are slidably mounted to the first connection block. The two glue applicator tubes are rotatably mounted to the two slidable members and connected to each other by the resilient element. The cam is mounted to the position adjusting member and forms a camming surface. The slidable members engage and follow the camming surface. The stop block is mounted to the support rack to stop the first connection block.

Abstract: A USB (Universal Serial Bus) connector includes an insulating housing having a base portion. The base portion extends rearward to form an extending portion. Two sides of a rear surface of the extending portion define two receiving cavities, respectively. A separating wall is formed between two receiving cavities. Two side walls are formed outside the respective receiving cavities. A plurality of signal terminals fixed in the insulating housing respectively have a soldering foot received in the receiving cavity, with a distal end of the soldering foot extending beyond a bottom of the extending portion. A fixing board is inserted in bottoms of the receiving cavities. The fixing board has a base board which defines a clipping slot penetrating a front edge thereof and clipping on the separating wall and two restraining slots at two sides of the clipping slot for constraining the soldering feet of the corresponding signal terminals therein.

Abstract: A probe connector adapted for fastening a cable thereto includes a shell, a plunger and an elastic element. The shell has a barrel and a base shell with an accommodating chamber therein. The base shell is connected with the barrel. A bottom of the base shell extends downward to form a connecting piece of which two opposite side edges oppositely extend outward to form two clipping pieces. The clipping pieces are bent towards each other to clip a core wire of the cable therebetween. The plunger is movably inserted in the barrel and further projects out of the barrel. The elastic element is telescopically assembled in the barrel and the accommodating chamber along the movement direction of the plunger, with one end thereof resisting against a bottom of the plunger and the other end thereof abutting against an inner side of a bottom plate of the base shell.