279results about How to "Accurate reset" patented technology

A power-on-reset (POR) circuit may comprise a first circuit powered by a first supply voltage and configured to generate a second supply voltage based on the first supply voltage, the second supply voltage having a nominal value lower than a nominal value of the first supply voltage. The POR circuit may also include a second circuit powered by the second supply voltage and configured to generate a POR signal. The second circuit may be configured to assert the POR signal when the second supply voltage reaches a value that is sufficiently high for the second circuit to become operational, keep the POR signal asserted until the first supply voltage reaches a second value that is higher than the nominal value of the second supply voltage by a specified difference voltage value, and deassert the POR signal once the first supply voltage reaches the second value.

The invention relates to a novel orthopedics restoration device, comprising a bracket used for maintaining the bent-knee position of a suffered limb. The bracket comprises a panel, a substrate and a regulating element for regulating the included angle between the panel and the substrate, and the panel is thereon provided with a traction restoration module which is used for providing immediate traction and location of axial movement and circumferential movement of the limb. On the basis of stabilizing and supporting the suffered limb, the invention realizes the immediate traction of the limb along the axial direction and the circumferential direction and the restoration of the fracture caused by trauma of external force from a plurality of angles. The immediate traction along the circumferential direction solves the problems that precise restoration of the suffered limb can not be realized only by the traction along axial direction, the assistance of force applied by a doctor is required, the maintaining of stability is difficult and traction restoration is inaccurate, thus facilitating the precise restoration of the suffered limb and being convenient for operation.

Phase change memory devices and methods for operating described herein are based on the discovery that, following an initial high current operation applied to a phase change memory cell to establish the high resistance reset state, the current-voltage (I-V) behavior of the memory cell under different bias voltages can be used to detect if the memory cell is a defect cell having poor data retention characteristics.

The invention relates to a limb fracture repositor which comprises a stretching guide rod and a half-ring shaped needle bed track that is axially opened with a ring-shaped continuous manger along a ring-shaped circumferential end surface. The stretching guide rod is formed by connecting a plurality of sub guide rods by a coupling sleeve. An arc rack is embedded in the ring-shaped continuous manger. A needle bed positioning gear which is meshed with the arc rack is arranged in the ring-shaped continuous manger and is connected with an arc needle bed that is buckled on the half-ring shaped needle bed track. The arc needle bed is fixedly and radially connected with a cylindrical outer casing. A lifting pull rod is arranged in the cylindrical outer casing, the upper end of which is equipped with a lifting knob. The lower end of the lifting pull rod is equipped with a needle clipping device. The limb fracture repositor realizes the circumferential, axial and radial flexible adjustment of a fixed needle on a catagmatic limb, substitutes the treatment function of the manual reposition, has the advantages of precise reposition, being easy to master strength and convenient to adjust slimly and avoids the defects of the manual reposition.

The invention provides a self-calibration electric coupler with a buffer device. The self-calibration electric coupler with the buffer device is composed of a plug assembly and a socket assembly. The socket assembly comprises pre-tightening springs, socket pre-tightening screws and socket pre-tightening nuts. The pre-tightening force of the buffer device can be adjusted through the socket pre-tightening nuts. The socket pre-tightening screws have the guide function and can guide a socket guide holder to be reset accurately. A plug base is provided with guide holes, a socket base is provided with guide columns, and the guide holes and the guide columns play the self-calibration effect. The self-calibration electric coupler with the buffer device provides reliable electrical connection for two automatic joint devices, and achieves reliable connection and accurate restoration between a floating socket connector and a plug connector.

The invention discloses a correcting and resetting method for a pier stud of a bridge. The method comprises the steps of: 1) vertically jacking a beam body at an inclined pier stud and taking out a support; 2) installing a horizontal sliding system, and dropping the beam body; 3) installing a reaction frame and horizontally propelling a synchronous jack; 4) applying a horizontal thrust to push the inclined pier stud by the horizontal jacking synchronous jacking jack so as to reset the inclined pier stud vertically; 5) installing a vertical jacking synchronous jack and jacking the beam body; and 6) installing the support and dropping the beam body. According to the correcting and resetting method provided by the invention, only a horizontal thrust contrary to the inclined thrust of the pier stud is applied, and a novel sliding face is re-manufactured before push, so that the horizontal thrust is small, and precise resetting can be ensured by precisely controlling the displacement of the horizontal jacking synchronous jacking jack. Compared with current methods, the correcting and resetting method is more convenient and precise.

The invention discloses a rocker device and a remote controller. The rocker device comprises a base, a first rotation shaft rotatably connected with the base, a rocker fixed with the first rotation shaft, a first swing block and a reset mechanism. The reset mechanism is in contact with the first swing block in an abutted mode, so as to enable the rocker to be located at an original position opposite to the base; when the rocker is shifted from the original position due to an external force, the reset mechanism generates a reset force acting on the first swing block, so as to allow the first rotation shaft to drive the rocker to return to the original position. The reset mechanism is arranged on the first rotation shaft, the rocker can thus be operated to swing in any direction and can rebalance and reset under the reset force of the reset mechanism, the remote controlling operation is thus more flexible, and resetting is more accurate and fast.

The invention discloses an electric pressure cooker with weighing sensor on the bottom, which comprises the following parts: rigid transverse tray and rigid frame with rigid beam, rigid vertical connecting board and rigid tray, wherein the rigid beam and rigid tray chucks pan-lid, sealing coil, inner pan, heater and weighing sensor together from upwards to downwards, the output end of weighing sensor connects circuit control device, which controls heating condition of heater according to the testing result of weighing sensor.

A semiconductor integrated circuit, which operates in accordance with a power supply voltage and an external clock signal and includes a memory circuit, includes a control circuit, and first and second internal circuits. The control circuit controls the memory circuit in accordance with the power supply voltage. The first internal circuit generates an internal power supply voltage for the control circuit. The second internal circuit generates an internal clock signal for the control circuit. The semiconductor integrated circuit further includes first and second power-on reset circuits. The first power-on reset circuit generates a first power-on reset signal for the first internal circuit after the power supply voltage is generated. The second power-on reset circuit generates a second power-on reset signal for the control circuit. The second power-on reset signal is input to the control circuit after the internal clock signal is input to the control circuit.

A power-on-reset circuit used to detect a first supply voltage for resetting a semiconductor device within an electric system is provided. The power-on-reset circuit is equipped with the first supply voltage to power the semiconductor device and a second supply voltage generated prior to the first supply voltage. The power-on-reset circuit includes a voltage divider, a bandgap reference circuit and a comparator. The voltage divider is powered by the first supply voltage to generate a proportional input voltage. The bandgap reference circuit is powered by the second supply voltage to generate a constant reference voltage. The comparator compares the proportional input voltage with the constant reference voltage, so as to generate a power-on-reset signal when the proportional input voltage exceeds the constant reference voltage. Therefore, when the first supply voltage is sufficiently large, the power-on-reset circuit can correctly reset the electric system.

The invention provides a reset mechanism of a mold push plate, and the reset mechanism comprises a fixed mold plate, a movable mold plate, a push plate, a threaded mold core, a rotating loose core connected with the threaded mold core and a push plate ejection mechanism connected with the push plate, as well as a PLC (programmable logic controller) synchronous control system for driving the rotating loose core mechanism and the push plate ejection mechanism, wherein the push plate ejection mechanism comprises a servo motor and a transmission pair for transforming the rotational motion of the servo motor to the ejection and withdrawal linear motion of the push plate, the PLC synchronous control system comprises a push plate ejection impulse stroke and a push plate reset impulse stroke, the servo motor of the push plate ejection mechanism is connected with a ratchet mechanism, the ratchet mechanism is connected with the transmission pair, and the push plate reset impulse stroke is larger than the push plate ejection impulse stroke. By additionally arranging the ratchet mechanism in a servo system, the zero drift problem of the servo system is solved in a simple and effective way, and the reset mechanism of the mold push plate has the advantages of reasonable structure, effective control and accurate reset.

Disclosed is an anterior cervical intervertebral distraction repositor which is used for cervical distraction reposition in anterior cervical surgery. The repositor comprises a repositor body and a distractor, the repositor body is connected to a cervical vertebral body to be reposited and drives the vertebral body to be reposited through vertical continuous movement so as to correct a vertebral body sequence, the distractor is connected with the repositor body, and the position of the distractor in the horizontal direction is adjusted to enable an interbody of the vertebral body to be longitudinally distracted until facet joints are unlocked so as to perform interbody surgery, or after the vertebral body is adjusted and reposited, the position of the repositor body is kept so as to complete interbody fusion or fixation surgery. The dislocated vertebral body can be reposited step by step, and the reposition process is smooth, accurate and controllable; the repositor needs not to be inserted into intervertebral space for operation, and is convenient and safe to use; after vertebral body reposition, the intervertebral reposition relation can be kept till reliable interbody fixation operation is completed, reposition of the dislocated vertebral body can be completed in the anterior cervical surgery, and pain brought by additional surgeries is avoided.

The invention discloses an electromagnetic variable cam mechanism and a small-fluctuation variable-flow oil supply device. The small-fluctuation variable-flow oil supply device comprises an oil tank and an oil pump, wherein the oil pump is composed of a cylinder body and a piston, an oil inlet of the cylinder body is communicated with the oil tank through an oil inlet valve and a filter, an oil outlet of the cylinder body is communicated with an oil inlet of an electric-control oil injector through an oil outlet valve and a pressure sensor, an oil return port of the electric-control oil injector is connected with an oil return port of the oil tank through an oil return control valve, the lower end of the piston makes contact with a single-action cam or a multi-action cam, and the pressure sensor, the electric-control oil injector, an electromagnetic coil and the oil return control valve are connected with a power source and a controller. According to the small-fluctuation variable-flow oil supply device, the single-action cam or the multi-action cam is selected to be used for changing the oil supply capacity of the oil pump in real time according to the rotating speed working condition and the load working condition of an engine, the amount of returned oil is controlled through the oil return control valve, the amount of returned oil of the oil pump is reduced, and fuel oil supplying efficiency is improved.

The invention discloses a bone malformation correction or fracture reduction and fixation device and a method for processing the same. The bone malformation correction or fracture reduction and fixation device comprises external fixation brackets or one and more external fixation plates, wherein the external fixation brackets or the external fixation plates are used for fixing fixation needles inserted into the bone tissues; at least one end of each fixation needle is exposed outside the skin, and the exposed end of the fixation needle needs to be fixed; the external fixation brackets consist of a first fixation bracket and a second fixation bracket; the external fixation plates are used for fixing all the fixation needles inserted into the bone tissues needing to be fixed. The method for processing the bone malformation correction or fracture reduction and fixation device comprises the following steps of: (1) collecting the information of an image before reducing the bone; (2) reducing the bone virtually by using a computer; (3) designing the structure of the bone malformation correction or fracture reduction and fixation device; and (4) processing the bone malformation correction or fracture reduction and fixation device. The bone malformation correction or fracture reduction and fixation device provided by the invention has a function of automatically reducing the bone, is reasonable in structure, has a good bone fixing effect and can be used for effectively overcoming the defects of difficult bone malformation correction or fracture reduction, complex operation on malformed or fractured bone and excessive dependence on the clinical experience of a doctor of the existing bone malformation correction or fracture reduction and fixation mode.

To conduct all-direction protection on a double-swing-shaft laser machining head, the invention provides a multi-level anti-collision system for the double-swing-shaft laser machining head. A first anti-collision unit, a second anti-collision unit and a comparison unit are included. The first anti-collision unit comprises a current detection device for detecting the current of a motor in the double-swing-shaft laser machining head. The comparison unit is used for comparing the motor current variations detected by the current detection device with the current changing threshold value, and whenany motor current variation is larger than or equal to the current changing threshold value, the comparison unit sends collision signals to a numerical control system of a laser machining machine tool. The second anti-collision unit comprises a return device and a pressure detection unit. When output signals of any pressure sensor in the pressure detection unit are larger than or equal to the pressure changing threshold value, the comparison unit sends collision signals to the numerical control system. After the numerical control system receives the collision signals sent by the first anti-collision unit or the second anti-collision unit, laser device stopping and machine tool motion shaft enabling operation removal are conducted.

The invention discloses an integrated fracture reduction fixing clamp, consisting of an upper clamp body, and accessories including a lower clamp body, a temporary fixing plate, a reduction baffle plate and the like, wherein the accessories cooperate with the upper clamp body when in use, and the temporary fixing plate can be fixed with or separated from the upper clamp body, the upper clamp body, the temporary fixing plate and the reduction baffle plate are used in a cooperated manner to complete the reduction of a fractured segment, a fine adjustment such as compression, separation or rotation and the like on a fractured end can also be performed in the reduction process by means of the cooperation of an instrument and appropriate skills, then the fractured segment is temporarily fixed by embedding a compression screw on the temporary fixing plate, and the temporary fixing plate is separated from a reduction clamp to leave sufficient space for final fixing. By applying the integrated fracture reduction fixing clamp disclosed by the invention, fracture reduction can be realized more quickly and accurately, and temporary fixing can be performed at the same time of reduction, so that reduction steps are simplified, operation time is saved, a better reduction fixing effect can be achieved, and the integrated fracture reduction fixing clamp has a particularly obvious effect on unstable fracture.

The invention discloses full-automatic machine part visual flaw detection equipment. The equipment comprises a feeding device and a detection device, the feeding device is connected with a feeding rail, the detection device comprises a first view finding mechanism, a first conveyor, a turnover mechanism, a second view finding mechanism, a second conveyor, an arrangement mechanism and a third viewfinding mechanism, an output end of the feeding rail faces the first conveyor, the first conveyor is positioned above the second conveyor, the turnover mechanism faces the second conveyor, and the arrangement mechanism is positioned between the second conveyor and the third view finding mechanism. The invention also discloses a full-automatic machine part visual flaw detection method. According tothe equipment and the method, through the cooperation of a vibration disc, the first view finding mechanism, the first conveyor, the turnover mechanism, the second view finding mechanism, the secondconveyor and the third view finding mechanism, comprehensive, efficient and rapid detection on the front surface, the back surface and the side wall of a part is realized, the false detection rate isreduced, the correct and reliable detection result is ensured, the detection efficiency is accelerated, and the cost is effectively reduced.

The invention provides a casting die, comprising a moving template, a fixed template fixed on a base plate, and a movable sprue plate, wherein when the moving template and the fixed template are closed, the movable sprue plate is positioned on the two templates; the moving template and the fixed template are respectively provided with a cavity, and when the moving template and the fixed template are closed, the cavities on the moving template and the fixed plate are matched to form a product cavity, the lower end of which is in direct contact with the base plate; and in the moving template and fixed template closing process, a copper terminal of a polar post terminal is firstly placed to the lower end of the cavity of the fixed template, the lower end of the copper terminal is directly supported against the base plate, and then the moving template is closed to fix the copper terminal to the lower end of the product cavity. Therefore, when the die provided by the invention is used for closing the moving template and the fixed template , the copper terminal can be accurately and vertically fixed at the lower end of the product cavity in one step so that the product cavity is unnecessary to form through closing the moving template and the fixed template, then the copper terminal is placed from the upper end of the product cavity and is repeatedly adjusted so that the copper terminal is fixed at the lower end of the product cavity, and thus, the production yield of the polar post terminals and the production efficiency are improved at the same time.

The invention discloses a deviation-rectifying and resetting device for a bridge pier column, which comprises a reaction frame and a jack, wherein the reaction frame is anchored on a column top capping beam through an anchor bolt, the jack is arranged between the reaction frame and a beam-end diaphragm plate, one end of the jack is propped against the beam-end diaphragm plate, and the other end of the jack is propped against the reaction frame. The deviation-rectifying and resetting device for the bridge pier column comprises the reaction frame and the jack, the jack applies a horizontal thrust to push the inclined pier column by taking the reaction frame and the beam-end diaphragm plate as a fulcrum, so that the inclined pier column is restored longitudinally; and the horizontal thrust in the reverse direction of an inclined thrust to the pier column is applied through the jack, and compared with the steel cable-stayed in the prior art, the deviation-rectifying and resetting device is small in acting force of the horizontal thrust, and can ensure the accurate resetting through accurately controlling the displacement of the jack.

An automatic lead tip protecting mechanism of pencil sharper is composed of a rolling cutter module, a cutter holder with a conic cavity for inserting a pencil in it and a lateral long cutting opening matched with rolling cutter module, a cutter arbor passing through said rolling cutter module and arranged on cutter holder, a slide block in the front of said conic cavity and pushed by pencil tip, a rotary handle, and restoring unit for said cutter arbor. It features that before the sharpening is finished, the rolling cutter module is separated from the pencil.