Abstract: An electronic device includes a jack, a voltage processing unit, a measuring unit, a data transmission unit and a switching unit. The jack is adapted to receive a plug of an electronic accessory and has at least one first contact terminal and one second contact terminal. The voltage processing unit is adapted to detect whether a voltage is present at the second contact terminal when a second contact of the plug is in contact with the second contact terminal of the jack. The measuring unit is adapted to measure a parameter resulted from the contact of the first contact terminal of the jack with a first contact of the plug. The data transmission unit is adapted to transmit to or receive from the electronic accessory a data signal through the first contact terminal of the jack. The switching unit is adapted to selectively connect the first contact terminal of the jack electrically to the data transmission unit or the measuring unit according to whether the voltage is present or not.

Abstract: An electronic device connectable with an electronic accessory according to the present disclosure is provided. The electronic device includes a jack, a data signal transceiving unit, a measuring unit, a switching unit and a processing unit. The jack is adapted to receive an insertion of a plug of the electronic accessory and has a first contact terminal adapted to be in contact with a first contact of the plug. The data signal transceiving unit is adapted to transmit to or receive from the electronic accessory a data signal through the first contact terminal of the jack. The measuring unit is adapted to measure a parameter resulted from the contact of the first contact terminal of the jack with the first contact of the plug through the first contact terminal when the plug is inserted into the jack. The switching unit is adapted to selectively connect the first contact terminal of the jack electrically to the data signal transceiving unit or the measuring unit.

Abstract: The present invention discloses a bridge structural safety monitoring system and a bridge structural safety monitoring method. The method includes the steps of capturing an image of a monitoring area of a bridge to create a standard image of the bridge operated at normal conditions, capturing images of the monitoring area of the bridge continuously to obtain monitoring images, comparing the standard image with the monitoring image to obtain a displacement correlation coefficient of the monitoring area of the bridge, and transmitting the displacement correlation coefficient to a central console, such that the central console can determine the using condition of the bridge according to the displacement correlation coefficient.

Abstract: A rotator for a head tube of a bicycle has a mounting bracket, a rotating collar and a holding ring. The mounting bracket is mounted around the head tube and has a mounting ring and two legs. The mounting ring is mounted around the head tube and has a mounting channel, a kerf, an annular flange and a holding groove. The legs are oppositely mounted on the mounting ring. The rotating collar is rotatably mounted around the mounting bracket and has a chamber, an upper through hole, a lower through hole, a mounting channel and multiple balls. The holding ring is mounted in the mounting ring of the mounting bracket and has an engaging groove. The engaging groove engages the annular flange on the mounting ring.

Abstract: The invention provides a method for an electronic device for automatically detecting and identifying a peripheral device. The electronic device comprises a connector having a first pin and a second pin and connects to a peripheral device through the connector. The method comprises the steps of determining whether the peripheral device is connected to the connector; reading a first state of the first pin and the second pin when determining that the peripheral device is connected to the connector; setting a voltage of the first pin to a first voltage level and then reading a second state of the first pin and the second pin; and identifying the peripheral device according to the first state and the second state. The invention also provides an electronic device and an electronic system utilizing the above-mentioned method.

Abstract: A method for forming multicolor aluminum alloy has steps of preparing, surface treating, forming, processing and reprocessing. Preparing comprises providing an aluminum alloy substrate and cleaning with water. Surface treating has disposing the substrate in a base electrolytic solution to form a base oxide layer by anodizing. Forming has forming a membrane of transparent, acid-proof, insulated plastic on the substrate. Processing has removing local area membrane and corresponding oxide layer from the substrate and cleaning. Reprocessing has disposing the clean substrate in a subsequent electrolytic solution to form a subsequent oxide layer on areas of the substrate exposed by the membrane by anodizing.

Abstract: A device and a method for automatically turning over a disc relate to a guide rod provided with a movable member. The movable member is assembled to a rotating member via a pivot member in such a manner that the movable member can axially move along and radially rotate around the guide rod. The pivot member is disposed between the movable member and the rotating member and powered to rotate. The rotating member is provided with a disc-carrying device in a direction of its rotation around the pivot member for taking the disc. The pivot member drives the disc to rotate via the rotating member, so as to turn over the disc, so that the rotating member makes the disc slide down into the tray in an inclined manner.

Abstract: A portable electronic apparatus and a connection method therefore are disclosed. The portable electronic apparatus comprises a connector, a processing circuit, and a switch module. After a plug is plugged into the connector, the processing circuit reads a voltage value of the plug via the switch module. When determining that the voltage value of the plug is within a first voltage range, the processing circuit outputs switch signals to the switch module, so that an input signal of the plug is able to be transmitted to the processing circuit via the connector and the switch module. When determining that the voltage value of the plug is within a second voltage range, the processing circuit outputs other switch signals to the switch module, so that an output signal of the processing circuit is able to be transmitted to the plug via the switch module and the connector.

Abstract: A bicycle brake lever has a body, a lever and an adjusting device. The body has a mounting bracket and a pivot segment. The pivot segment has two pivot panels and multiple detents. The lever is connected to the body and has a pivot end and a lever arm. The pivot end is mounted pivotally on the pivot segment using a pivot pin and has a protruding rib. The adjusting device is connected to the body, engages the lever and has a switch, a positioning element and an engaging block. The switch is mounted on the pivot segment. The positioning element is mounted in the switch and engages the detents of the pivot panels. The engaging block is connected to and moved by the switch and engages the rib of the lever to allow adjustment of the lever relative to a handlebar.

Abstract: A rotator for a head tube of a bicycle has a mounting bracket, a rotating collar and a holding ring. The mounting bracket is mounted around the head tube and has a mounting ring and two legs. The mounting ring is mounted around the head tube and has a mounting channel, a kerf, an annular flange and a holding groove. The legs are oppositely mounted on the mounting ring. The rotating collar is rotatably mounted around the mounting bracket and has a chamber, an upper through hole, a lower through hole, a mounting channel and multiple balls. The holding ring is mounted in the mounting ring of the mounting bracket and has an engaging groove. The engaging groove engages the annular flange on the mounting ring.

Abstract: A ratchet gear device is applied for a bicycle rear wheel having a wheel axle and a hub mounted on the wheel axle, and the ratchet gear device has a freewheel, a collar, a ratchet ring and at least one permanent magnet. The freewheel is mounted around the wheel axle and has multiple wedging teeth. The collar is magnetic, is mounted securely in the hub and has multiple engaging teeth. The ratchet ring is mounted in the collar and has multiple engaging slots and multiple ratchet teeth. The engaging slots engage the engaging teeth in the collar. The ratchet teeth engage the wedging teeth on the freewheel. The at least one permanent magnet is attached to the ratchet ring to provide a magnetic force to move the ratchet ring to an engaging position where the ratchet teeth engages the wedging teeth on the freewheel.

Abstract: A handle grip has a body and at least one clamping ring. The body is tubular and has two ends, an outer surface and two mounting rings. The two mounting rings coaxially and respectively protrude from the two ends of the body. The clamping ring is mounted securely on one of the mounting rings of the body and has an opening, a fastening hole and a fastener. The opening is a slot formed through the clamping ring. The fastening hole is tangentially formed through the clamping ring and either side of the opening. A person may mount the body on handlebars of a motorcycle or a handle of a tool and use the clamping ring to ensure the body is held securely.

Abstract: A lens inspection device and method are provided. The lens inspection method includes the steps of providing a collimating light beam, polarizing the collimating light beam by a polarizer to produce a polarized light beam, deflecting the polarized light beam by a lens to be measured to produce a deflected light beam, providing a phase retardation plate through which a polarized compensation image is generated, and comparing the polarized compensation image with a lookup table having standard color values of a plurality of standard polarization compensated images recorded therein, so as to determine whether a deformation is presented on the lens.

Abstract: A method for fabricating a semiconductor device for preventing a poisoned via is provided. A substrate with a conductive layer formed thereon is provided. A composite layer is formed over the substrate and the conductive layer, wherein the composite layer comprises a dielectric layer and a spin-on-glass layer. A via hole is formed through the composite layer, wherein the via hole exposes a surface of the conductive layer. A protection layer is formed on a sidewall of the via hole so as to prevent out-gassing from the spin-on-glass layer. A barrier layer is formed on the protection layer and the conductive layer within the via hole. And a metal layer is deposited on the barrier layer within the via hole to fill the via hole.

Abstract: A lens inspection device and method are provided. The lens inspection method includes the steps of providing a collimating light beam, polarizing the collimating light beam by a polarizer to produce a polarized light beam, deflecting the polarized light beam by a lens to be measured to produce a deflected light beam, providing a phase retardation plate through which a polarized compensation image is generated, and comparing the polarized compensation image with a lookup table having standard color values of a plurality of standard polarization compensated images recorded therein, so as to determine whether a deformation is presented on the lens.

Abstract: A chair assembly includes a chair frame unit, an upper seat member and a lower seat member. The upper seat member is connected to the chair frame unit, and has opposing front and rear edges, and opposing lateral edges that interconnect the front and rear edges. The upper seat member is formed with an opening that extends from the front edge toward the rear edge to form the upper seat member with a U-shaped configuration. The lower seat member is disposed below the upper seat member and is registered with the opening.