Abstract: Method and apparatus for optimizing a decision threshold of an optical receiver is used to solve a problem of affecting system stability and reliability. The method comprises: determining a maximum value and a minimum value of an adjustment range of the decision threshold, and determining an adjustment step of the decision threshold (10); adjusting a decision threshold value within the adjustment range of the decision threshold, and separately detecting pre-FEC BERs corresponding to different decision threshold values (11); and searching for a minimum value in the detected pre-FEC BERs, a decision threshold value corresponding to the minimum value being an optimal decision threshold value (12). The apparatus comprises a decision threshold adjusting unit, a pre-FEC BER detecting unit, a decision threshold control unit and an optimal decision threshold determining unit.

Abstract: An industrial robot includes a mounting base, a turning base rotatable relative to the mounting base about a rotation axis, and a stopper mechanically limiting an operating angle of the turning base. The stopper includes a fixed section attached to the mounting base, a connecting base attached to the turning base, and a swing lever pivotally connected to the connecting base and capable of swinging between a first position and a second position. The turning base is maintained in the first position and the second position, respectively, by the stopper when the swing lever contacts the fixed section, thereby limiting the operating angle of the turning base.

Abstract: The disclosure claims a bandwidth adjustment method and system for Optical channel Data Unit flexible (ODUflex) based on a Generic Framing Procedure (GFP), wherein, the method includes that: (501) a source end sends a bandwidth adjustment control frame which contains bandwidth adjustment parameters; (503) a plurality of intermediate nodes forward the bandwidth adjustment control frame to a sink end via an ODUflex link, during the forwarding process, the plurality of intermediate nodes determine that resource thereof can satisfy the bandwidth adjustment parameters, and then reserve the bandwidth adjustment resource; (505) after receiving the bandwidth adjustment control frame, the sink end feeds back an adjustment acknowledgment frame which contains adjustment acknowledgment information to the source end via the plurality of intermediate nodes; (507) the plurality of intermediate nodes use the reserved bandwidth adjustment resource to implement adjustment for the bandwidth of the ODUflex link according to the

Abstract: A robot arm assembly includes a main base, a joint and at least one arm. The main base includes a main body, and the main body includes a mounting portion and a limiting post on a side of the mounting portion. The joint is rotatably mounted on the mounting portion and includes a limit piece corresponding to the limiting post. The at least one arm is fixed to the joint, when the arm rotates relative to the main base to a predetermined extent of rotation, the limit piece abuts against the limiting post to stop the rotation of the arm.

Abstract: A mechanical manipulator includes a base seat, a connecting arm, a mechanical arm, an electric cable, and a cable protection structure. The connecting arm has a first end rotatably hinged to the base seat, a second end opposite to the first end, and a side surface, the connecting arm defines a cable receiving slot in the side surface. The mechanical arm is rotatably hinged to the second end of the connecting arm. The electric cable is partially received within the cable receiving slot. Two ends of the electric cable are exposed from two ends of the cable receiving slot and then enter into the base seat and the mechanical arm respectively. The cable protection structure is fixed to the connecting arm and resists against the electric cable toward the cable receiving slot, for preventing the electric cable emerging from the cable receiving slot.

Abstract: A device and a method for optimally adjusting transmitter parameters are provided to optimize transmission performance of a digital signal system. The device comprises an error signal analyzing unit and a step length adjustment unit which are connected in signal with each other; the error signal analyzing unit analyzes an error signal and makes a determination to carry out a transmitter parameter adjustment operation; the step length adjustment unit calculates and determines an adjustment direction and an adjustment step length of the transmitter parameter; and a transmitter parameter adjusting unit carries out operations of direction adjustment and step length adjustment of the transmitter parameter according to the result of the determination.

Abstract: An audio jack connector includes an insulative housing (1) having a main body (10) defining a pair of opposite front and rear faces (11, 12) and a pair of opposite first and second side walls (15, 16), a set of columned mating portions (17) extending forwardly on the front face, and a set of receiving chambers (111) extending in the main body and passing through the mating portions for insertion of plugs (200); and a plurality of contacts (3) retained in the first side wall and arranged in several different rows along a transverse direction so as to protrude into the receiving chambers respectively, each row of the contacts being arranged along a front-to-back direction in accordance with an insertion direction of the plug and perpendicular to the transverse direction.

Abstract: A manipulator includes an arm body, a cable, and at least one cover fixed on the arm body. The arm body has at least one friction portion over which the at least one cover covers. The at least one cover separates the cable from contacting with the friction portion, thus protects the cable from being damaged by the friction portion.

Abstract: A motor stator includes a plurality of separate core segments, a plurality of coils, and a fixing ring. Each core segment includes a yoke and a tooth extending from the yoke. The yokes are connected to form a substantially circular core, with the teeth extending inwards. Each coil is wound around a corresponding tooth. The fixing ring is fixed to the outer surface of the core.

Abstract: An industrial robot includes a first link, a second link, and a joint connecting the first and second links. The joint includes a main body coupled to the first and second links, a first actuator mounted on the main body to rotate the first link, a second actuator to rotate the main body relative to the second link, a number of cables connected to the second actuators, a protective cover secured to the main body to receive the first and second actuators and the cables, and a number of fasteners fixing the protective cover to the main body.

Abstract: An industrial robot includes a mounting base, a turning base rotatable relative to the mounting base about a rotation axis, and a stopper mechanically limiting an operating angle of the turning base. The stopper includes a fixed section attached to the mounting base, a connecting base attached to the turning base, and a swing lever pivotally connected to the connecting base and capable of swinging between a first position and a second position. The turning base is maintained in the first position and the second position, respectively, by the stopper when the swing lever contacts the fixed section, thereby limiting the operating angle of the turning base.

Abstract: method and apparatus for optimizing a decision threshold of an optical receiver is used to solve a problem of affecting system stability and reliability. The method comprises: determining a maximum value and a minimum value of an adjustment range of the decision threshold, and determining an adjustment step of the decision threshold (10); adjusting a decision threshold value within the adjustment range of the decision threshold, and separately detecting pre-FEC BERs corresponding to different decision threshold values (11); and searching for a minimum value in the detected pre-FEC BERs, a decision threshold value corresponding to the minimum value being an optimal decision threshold value (12). The apparatus comprises a decision threshold adjusting unit, a pre-FEC BER detecting unit, a decision threshold control unit and an optimal decision threshold determining unit.

Abstract: A person-support apparatus 10 comprises a lower frame, a support, an upper frame, and a light source. The support is coupled to the lower frame. The upper frame is movably supported above the lower frame by the support. The light source is configured to selectively emit light at one of a first wavelength and a second wavelength as a function of the height of the upper frame with respect to a reference point in order to indicate the height of the upper frame.

Abstract: A stator winding for a slotless motor is formed by winding a magnet wire 22 into a single layer coil 24. The coil 24 is deformed e.g., by pressing, to form a double layer web 26 which is rolled up end to end to form a cylindrical stator winding 20. The coil 24 is divided into a number of phase windings 27 extending between connection tappings 25. The magnet wire 22 is a multi-core magnet wire formed from a plurality of core wires 23. Each core wire 23 is an insulated single core wire. Optionally the core wires are twisted together. The core wires 23 are electrically connected together at the connection tappings 25 to form a plurality of parallel electrical paths or sub-windings.

Abstract: A device and a method for optimally adjusting transmitter parameters are provided to optimize transmission performance of a digital signal system. The device comprises an error signal analyzing unit and a step length adjustment unit which are connected in signal with each other; the error signal analyzing unit analyzes an error signal and makes a determination to carry out a transmitter parameter adjustment operation; the step length adjustment unit calculates and determines an adjustment direction and an adjustment step length of the transmitter parameter; and a transmitter parameter adjusting unit carries out operations of direction adjustment and step length adjustment of the transmitter parameter according to the result of the determination.

Abstract: An audio jack connector includes an insulative housing (1) having a main body (10) defining a pair of opposite front and rear faces (11, 12) and a pair of opposite first and second side walls (15, 16), a set of columned mating portions (17) extending forwardly on the front face, and a set of receiving chambers (111) extending in the main body and passing through the mating portions for insertion of plugs (200); and a plurality of contacts (3) retained in the first side wall and arranged in several different rows along a transverse direction so as to protrude into the receiving chambers respectively, each row of the contacts being arranged along a front-to-back direction in accordance with an insertion direction of the plug and perpendicular to the transverse direction.

Abstract: A manipulator includes an arm body, a cable, and at least one cover fixed on the arm body. The arm body has at least one friction portion over which the at least one cover covers. The at least one cover separates the cable from contacting with the friction portion, thus protects the cable from being damaged by the friction portion.

Abstract: A wear-resistant plunger rod incorporated in a pump of a paint spraying units comprises: a rod (1) and a connecting unit (2) integrally formed. Said connecting unit (2) is disposed on another end of the rod (1) and connected to a transmission device of a pump of a liquid dispersing means. Said wear-resistant plunger rod is characterized in that: a wear-resistant material (3) is applied on the surface of said plunger rod (1). By applying the material (3) on the surface, the plunger rod (1) is given property of wear resistant which increases the liability and safety and prolongs the operational life of the unit.