Abstract: According to one aspect, an optical read/write device for reading and/or writing an optical disk includes a rack disposed between the worm gear and the optical pickup head for transferring motion from the worm gear to the optical pickup head. The rack includes a fastening portion for fixing the rack to the optical pickup head, an engaging portion, a spring placed between the fastening portion and the engaging portion for pressing the engaging portion to engage with the worm gear, and a connecting portion. The connecting portion is configured for connecting the fastening portion and the engaging portion and preventing the engaging portion from disengaging from the worm gear.

Abstract: The present invention provides a remote control system for a power supply, comprising: a display data channel (DDC); a first control circuit electrically connected to said DDC, coding and sending a control signal through said DDC to control said power supply; a second control circuit electrically connected to said DDC, receiving and decoding said control signal through said DDC to control said power supply.

Abstract: According to one aspect, an optical recording and/or reproducing device for reading and/or writing an optical disc includes a base, optical pickup head, and a moving mechanism for slidably moving the optical pickup head. The moving mechanism includes a worm gear, a motor for rotating the worm gear, and a rack disposed between the worm gear and the optical pickup head for transferring motion from the worm gear to the optical pickup head. The rack includes a fastening portion for fixing the rack to the optical pickup head, an engaging portion for engaging with the worm gear, a restricting portion connected to the engaging portion for preventing the engaging portion from running out of the worm gear, and a connecting portion for connecting the fastening portion with the restricting portion.

Abstract: The invention discloses a distant PCIe extended system. The distant PCIe extended system includes a local PCIe virtualization device (PVD), at least a transmission medium and at least a remote PVD. The PVD includes a PCIe PHY layer, a signal converting circuit, at least a PVD PHY layer and a transmission medium. The PCIe PHY layer is used to receive a PCIe physical signal. The signal converting circuit is coupled to the PCIe PHY layer and used to convert the PCIe data link layer packet into at least a PVD MAC packet. The PVD PHY layer is coupled to the signal converting circuit and used to process and transfer the PVD MAC packet. The transmission medium receives and transfers the PVD physical signal.

Abstract: A protective device including a substrate, a conductive section and a bridge element is provided. The conductive section is supported by the substrate, wherein the conductive section comprises a metal element electrically connected between first and second electrodes. The metal element serves as a sacrificial structure having a melting point lower than that of the first and second electrodes. The bridge element spans across the metal element in a direction across direction of current flow in the metal element, wherein the bridge element facilitates breaking of the metal element upon melting.

Abstract: A protective device including a substrate, a conductive section and a first auxiliary medium is provided. The conductive section is supported by the substrate, wherein the conductive section comprises a metal element electrically connected between first and second electrodes. The metal element serves as a sacrificial structure having a melting point lower than that of the first and second electrodes. The first auxiliary medium is disposed between the metal element and the substrate, wherein the first auxiliary medium has a melting point lower than that of the metal element. The first auxiliary medium facilitates breaking of the metal element upon melting.

Abstract: The present invention provides a power-saving laser pointer mouse including a battery, a micro-controller and a laser diode. The power-saving laser pointer mouse can be operated in multi-stage power-saving modes according to the voltage value of the battery. The lighting time interval of the laser diode is adjusted by the micro-controller according to the voltage value of the battery. When the voltage value of the battery is reduced, the lighting time interval of the laser diode is shortened so as to achieve the power-saving purpose.

Abstract: The invention discloses a transmitting apparatus. The transmitting apparatus uses the same transmission medium to transmit two signals that are within different frequency ranges at the same time. The transmitting apparatus increases the transmitting paths of the transmission medium so as to enhance the use of the transmission medium and save the production costs.

Abstract: An electronic card and expansion card combination includes an electronic card, for example, vertical insertion type Express card defining a 34 mm card accommodation space and accommodating a circuit board with an electric connector, and an expansion card, which has a flat sliding holder base movable in and out of the card accommodation space and carrying an adapter terminal set that contacts the metal contacts of the circuit board when the flat sliding holder base is extended out of the card accommodation space, and an expansion plate pivotally coupled to the flat sliding holder base and carrying a matching terminal set that contacts the adapter terminal set for the contact of metal contacts of a chip card to be inserted into a card insertion slot defined in the flat sliding holder base and the expansion plate after the expansion plate is turned to out of the flat sliding holder base.

Abstract: An electronic card and expansion card combination includes an electronic card, for example, vertical insertion type Express card defining a 34 mm card accommodation space and accommodating a circuit board with an electric connector, and an expansion card, which has a flat sliding holder base movable in and out of the card accommodation space and carrying an adapter terminal set that contacts the metal contacts of the circuit board when the flat sliding holder base is extended out of the card accommodation space, and an expansion plate pivotally coupled to the flat sliding holder base and carrying a matching terminal set that contacts the adapter terminal set for the contact of metal contacts of a chip card to be inserted into a card insertion slot defined in the flat sliding holder base and the expansion plate after the expansion plate is turned to out of the flat sliding holder base.

Abstract: An over-voltage protection device and a method for manufacturing the over-voltage protection device are provided. The over-voltage protection device includes a substrate, a pair of electrode layers, a mask layer, and a sealing layer. The electrode layers are disposed on the substrate, and a gap is formed between the electrode layers. The mask layer is disposed over the gap and a portion of the electrode layers. The sealing layer covers the mask layer and the gap.

Abstract: A remote multiple image processing apparatus comprises a graphic processing unit, a memory unit, an image compression unit, a transmission unit and a transmission medium. The graphic processing unit receives at least an image frame including a plurality of image blocks, and determines the degree of the difference between the current input image block and the previous input image block. The memory unit, coupling to the graphic processing unit, stores the image blocks. The image compression unit, coupling to the memory unit, compresses the image blocks and generates at least a compressed datum. The transmission unit, coupling to the image compression unit, transforms the compressed datum into at least a data packet. The transmission medium outputs the data packet. The remote multiple image processing apparatus uses the compression technique to allow a client sharing the resources of graphic processing unit so as to get multiple use benefits.

Abstract: A progressive differential motion JPEG codec is disclosed. The compression encoder of the progressive differential motion JPEG codec comprises a video capture unit, a video capture buffer, a detection unit, a compression unit, and a quality level buffer. The video capture unit is used for receiving an image data and dividing a component of the image data into a plurality of image data blocks. The video capture buffer stores the image data block. The detection unit is electrically coupled to the video capture unit and the video capture buffer for detecting whether a content of the image data block input from the video capture unit is different from a content of the image data block retrieved from the video capture buffer.

Abstract: The invention discloses a transmission device. The transmission device includes an interface circuit, a data converting circuit, at least a physical layer and a transmission medium. The interface circuit is used to receive a PCIe signal or a PCI signal. The data converting circuit is coupled to the interface circuit and used to convert the PCIe signal or the PCI signal into at least a data packet. The physical layer is coupled to the data converting circuit and used to process and transfer the data packet. The transmission medium receives and transfers the data packet.

Abstract: An alignment mark, disposed on a substrate, is provided. The alignment mark includes a first dielectric layer and a metal layer. The first dielectric layer is disposed on the substrate and includes an alignment trench and a contact hole. The metal layer is disposed in the alignment trench and the contact hole, wherein a surface of the metal layer is even with a surface of the first dielectric layer. Because the metal layer and the first dielectric layer have different reflection indexes and different refraction indexes, an alignment light detects the alignment mark according to these differences.

Abstract: The present invention provides a power-saving laser pointer mouse including a battery, a micro-controller and a laser diode. The power-saving laser pointer mouse can be operated in multi-stage power-saving modes according to the voltage value of the battery. The lighting time interval of the laser diode is adjusted by the micro-controller according to the voltage value of the battery. When the voltage value of the battery is reduced, the lighting time interval of the laser diode is shortened so as to achieve the power-saving purpose.

Abstract: The present invention provides a remote control system for a power supply, comprising a display data channel (DDC); a first control circuit electrically connected to said DDC, coding and sending a control signal through said DDC to control said power supply; a second control circuit electrically connected to said DDC, receiving and decoding said control signal through said DDC to control said power supply.

Abstract: A clip module and a heat dissipation device having the same are disclosed, wherein the heat dissipation device is suitable to dissipate the heat for a heat source on a circuit board. The heat dissipation device includes a retention module, a heat sink and a clip module. The retention module is provided on the circuit board and around the heat source, and the heat sink is provided on the heat source. The clip module includes a body, a fastener fastened to the retention module and a pressing structure. The pressing structure includes a first triangle block and a second triangle block which is slidably provided on two adjacent surfaces of the first triangle block, and the fastener is pivotally provided at the second triangle block.

Abstract: An optical disk player includes a chassis, an optical pick-up head including a support member defining a guiding slot, and a guiding member molded integrally with the chassis, wherein the guiding member is received in the guiding slot and the optical pick-up head is slidably supported on the guiding member.

Abstract: A guide mechanism is configured for guiding an optical pick-up head to move on a chassis. The guide mechanism includes a carriage, a first guide rail, a second guide rail, and a buffering device. The carriage includes a main body for receiving the optical pick-up head, and a first engaging portion and a second engaging portion formed on two opposite sides of the main body. The first guide rail is slidably received in a slot of the first engaging portion. The second guide rail is slidably engaging with the second engaging portion. The buffering device is clipped between the first guide rail and the first engaging portion. An optical disk drive using the guide mechanism is also provided.