34results about How to "Avoid positioning accuracy" patented technology

The invention relates to an electric power plant condenser high pressure water shooting flow online washing robot technology that cleans the electric power plant condenser by high pressure water shooting flow. Setting the mechanism arm locating device and high pressure soft tube into the condenser by using the combination method and install structure of locating mechanism arm orientation device formed by extending mechanism arm and rotating mechanism arm, high pressure soft tube manage device, and high pressure spray head control device, locates the spray head on the rotating mechanism arm by computer control system, sends to the inner of the condenser copper pipe, and cleans the dirt in the inner of the condenser copper pipe by high pressure water shooting flow. The generating set needs not stop while cleaning. The invention has advantage of simple structure, no pollution and high reliability.

An image recording apparatus, including a tray configured to support a sheet; a chassis defining a first conveyer path, in which the sheet on the tray is conveyed in a first conveying direction, and a second conveyer path, through which the sheet is conveyed in a second conveying direction through a branch point to be inverted to reenter the first conveyer path through a merging point; a base member integrally formed of resin and including a guiding section to define a form of a part of the second conveyer path; a recording unit to record an image on the sheet conveyed in the first conveyer path; a drive shaft supported by the base member; and a return-conveyer roller disposed in the second conveyer path and configured to convey the sheet to be guided on the guiding section in the second conveying direction by rotation of the drive shaft, is provided.

The positioning accuracy of a magnetic head decreases due to vibrations in the in-plane rotation mode of an HDD, which are caused by couple or disturbance occurring in seek operation, due to vibrations in the thrust mode, and the conical mode, of the spindle, which are caused by disturbance, and due to vibrations in the case thrust mode, the spindle fall mode, and the like. In one embodiment, an elastic support member includes a pillar-shaped part. The elastic support member is provided with a recess on a surface opposite to a corner of a base, and longitudinal fin projections on the upper and lower sides with respect to the recess. The base is provided at its corner with a horizontal fin that is parallel to a disk surface. The horizontal fin is inserted into the recess of the elastic support member. The longitudinal fin projections come into contact with the base, and control basic vibrational characteristics on both the upper and lower sides with respect to the horizontal fin. The pillar-shaped part is provided with a zigzag-shaped part so that the pillar-shaped part may come into contact with a frame.

A rotation disturbance compensation control unit applies a compensation signal to a positioning control unit so as to cancel out rotation disturbance vibration components detected by using acceleration velocity sensors. At predetermined timing, a position error detection unit detects respective position errors of the case in which the rotation disturbance compensation control unit is turned on and the case in which it is turned off. A compensation control switching unit switches the rotation disturbance compensation control unit to be on if the position error of the case in which the compensation control of rotation disturbance is turned on is small and switches the compensation control switching unit to be off if the position error of the case in which the compensation control of rotation disturbance is turned off is small.

A method of measuring reception timings of signals transmitted and received between base stations and a mobile station and calculating the position of the mobile station by using the reception timings and the reception positions of the signals comprises the steps of obtaining the address information items necessary to specify incoming signals used for the position calculation, analyzing address information items included in the incoming signals, and selecting incoming signals used for position calculation according to a result of comparing the obtained address information items with address information items analyzed in accordance with the incoming signals. A signal incoming from a desired radio station is thus selected and used for position calculation.

A 3D-object detecting apparatus may include a detection-image creating device configured to detect a 3D object on an image-capture surface from an image captured by an image-capture device and to create a detection image in which a silhouette of only the 3D object is left; a density-map creating device configured to determine the 3D objects spatial densities at corresponding coordinate points in a coordinate plane on the basis of the detection image and mask images obtained for the corresponding coordinate points on the basis of virtual cuboids arranged for the corresponding coordinate points and to create a density map having pixels for the corresponding coordinate points such that the pixels have pixel values corresponding to the determined spatial densities; and a 3D-object position detecting device that detects the position of the 3D object as a representative point in a high-density region in the density map.

Embodiments of the present invention restrain the head position accuracy from degrading due to torsional vibration of a head supporting unit. According to an embodiment of the invention, an actuator has a twisted carriage arm. A suspension is tilted in accordance with the twist of the carriage arm. When the carriage arm and the suspension torsionally vibrate, the vibration direction tilts against the normal direction of a recording surface in accordance with the twist. This technique decreases a peak value of off-track displacement that is caused by a head slider and is dependent on relationship between a skew angle and a torsional vibration direction.

A fabrication method of a wafer level semiconductor package includes: forming on a carrier a first dielectric layer having first openings exposing portions of the carrier; forming a circuit layer on the first dielectric layer, a portion of the circuit layer being formed in the first openings; forming on the first dielectric layer and the circuit layer a second dielectric layer having second openings exposing portions of the circuit layer; forming conductive bumps in the second openings; mounting a semiconductor component on the conductive bumps; forming an encapsulant for encapsulating the semiconductor component; and removing the carrier to expose the circuit layer. By detecting the yield rate of the circuit layer before mounting the semiconductor component, the invention avoids discarding good semiconductor components together with packages as occurs in the prior art, thereby saving the fabrication cost and improving the product yield.

A lens unit and a lens driving apparatus are provided. First to third guide members have first to third axis lines, and the first to third axis lines are arranged in parallel with each other. A first lens holder has a first lens held by a first lens holding portion with a first main sliding portion guided by sliding on the first guide member, and a first sub sliding portion guided by sliding on the third guide member. A second lens holder has a second lens held coaxially with the first lens by a second lens holding portion with a second main sliding portion guided by sliding on the second guide member, and a second sub sliding portion guided by the third guide member.

The invention discloses a process for preparing a cathode grid line of a solar cell. The cathode grid line of the solar cell consists of a first paste layer and a second paste layer positioned on the upper surface of the first paste layer. First paste and second paste are loaded into containers which are connected with a lower nozzle and an upper nozzle respectively. The upper and lower nozzles are tightly attached and arranged in parallel, and the lower nozzle is positioned on the upper lateral surface of the upper nozzle. The spray coating pressure of the lower nozzle is 0.5MPa, and the spray coating pressure of the upper nozzle is 0.65MPa. The travel speed of the lower and upper nozzles is 125mm / s. The first paste consists of an organic carrier, silver powder, glass powder and an ohm contact additive. The second paste consists of an organic carrier, silver powder, glass powder and a metallic-phase adhesive. A high-aspect ratio cathode of the solar cell can be prepared, and a problem about positioning accuracy is solved; and in addition, requirements for a cathode shape and electrical conductivity can be met, and silicon chip fragmentation caused by pressure applied to a silicon chip in a machining process can be avoided.

An image recording apparatus, including a tray configured to support a sheet; a chassis defining a first conveyer path, in which the sheet on the tray is conveyed in a first conveying direction, and a second conveyer path, through which the sheet is conveyed in a second conveying direction through a branch point to be inverted to reenter the first conveyer path through a merging point; a base member integrally formed of resin and including a guiding section to define a form of a part of the second conveyer path; a recording unit to record an image on the sheet conveyed in the first conveyer path; a drive shaft supported by the base member; and a return-conveyer roller disposed in the second conveyer path and configured to convey the sheet to be guided on the guiding section in the second conveying direction by rotation of the drive shaft, is provided.

The invention discloses a method for manufacturing a solar cell grid line. The grid line of a front electrode of a cell comprises a first slurry layer and a second slurry layer located on the upper surface of the first slurry layer. First slurry comprises an organic carrier, silver powder, glass powder and an ohm contact additive. Second slurry comprises an organic carrier, silver powder, glass powder and a metal adhesive. The organic carrier in the second slurry is formed by heating terpilenol, butyl carbitol, ethyl cellulose and the balance in the proportion of 53:28:14:5 to 60 DEG C, stirring for at least two hours and mixing the components. The particle size of the silver powder is 6 micrometers, and the glass powder is made of bismuth, silicon and antimony. The front electrode of the solar cell with a high height-width ratio can be manufactured through the manufacturing method, the problem of positioning precision is solved, burning ability of an anti-reflection layer is improved, and adhesion force of the electrode to a cell substrate is improved.

An automatic welding machine includes a link actuator in which a distal end side link hub is coupled to a proximal end side link hub via three or more link mechanisms and the position of the distal end side link hub relative to the proximal end side link hub can be arbitrarily changed. The automatic welding machine is provided with one or more linear motion actuators configured to cause the proximal end side link hub of the link actuator to advance / retract relative to a mount along respective axes, and a welding torch is mounted on the distal end side link hub. The automatic welding machine further includes a movement mechanism on which peripheral devices connected to the welding torch via cables are mounted so as to be movable in one or more axial directions.

The invention discloses a gate line manufacturing process for a photovoltaic cell. First slurry and second slurry are respectively put in a container connected with a lower nozzle and an upper nozzle, and the lower nozzle and the upper nozzle have an advancing speed of 125mm / s; the drying temperature of the electrode gate line at the front face of a battery is 140 to 160 DEG C; the first slurry is composed of an organic carrier, silver powder, glass powder, and an ohmic contact additive, and the organic carrier in the first slurry is formed by terpineol, butylcarbitol, ethyl cellulose and allowance according to a 55:30:10:5 weight ratio; the second slurry comprises, at a weight ratio, an organic carrier, silver powder, glass powder and a metal binder; the first slurry layer has a width of 40 to 80mum and a height of 5 to 10mum; and the second slurry layer has a width of 40 to 80mum and a height of 15 to 30mum. The positioning precision problem is solved, the electrode metal gate line itself has good conductive performance, and the height to width ratio of the acquired metal gate line is large.

The invention provides a variable oil pump cover machining method. The variable oil pump cover machining method comprises the following steps: (A) a pump cover to be machined is positioned on a rotating support plate through a positioning fixture; and firstly, the support plate is in a horizontal state; (B) the frontal surface of the pump cover is roughly machined; and the machining contents comprise rough milling of a shaft side plane, milling of a shaft end surface and a cover plane and drilling of a shaft hole and a hole orifice chambering angle; (C) the frontal surface of the pump cover is finely machined; and the machining contents comprise coating and turning of the shaft side plane and finish boring of the shaft hole; (D) the support plate rotates to be positioned in a direction of 15 degrees; and (E) an inclined oil hole in the inclined surface of the pump cover is drilled. The method is high in machining precision and short in machining time.

The invention discloses a locating method of a mobile terminal and a related device, aiming at solving the problems of lower reliability or accuracy in the existing location technology. The method comprises the steps of: confirming a locating way adopted by relocation when relocation is determined to be carried out by the mobile terminal; and carrying out relocation according to the confirmed locating way.

The invention discloses a gate line manufacturing process for a photovoltaic cell. First slurry and second slurry are respectively put in a container connected with a lower nozzle and an upper nozzle, and the lower nozzle and the upper nozzle have an advancing speed of 125mm / s; the drying temperature of the electrode gate line at the front face of a battery is 140 to 160 DEG C; the first slurry is composed of an organic carrier, silver powder, glass powder, and an ohmic contact additive, and the organic carrier in the first slurry is formed by terpineol, butylcarbitol, ethyl cellulose and allowance according to a 55:30:10:5 weight ratio; the second slurry comprises, at a weight ratio, an organic carrier, silver powder, glass powder and a metal binder; the first slurry layer has a width of 40 to 80mum and a height of 5 to 10mum; and the second slurry layer has a width of 40 to 80mum and a height of 15 to 30mum. The positioning precision problem is solved, the electrode metal gate line itself has good conductive performance, and the height to width ratio of the acquired metal gate line is large.

The invention provides an offshore platform test high-precision explosion source positioning device. The offshore platform test high-precision explosion source positioning device comprises a fixed sliding rail mounted on the outer wall of a floating impact platform, an upper end sliding block, a lower end sliding block, a moving positioning block, a rotating block, a first-stage connecting cylinder, a first-stage stretching rod, a connecting part, a turnover fold plate, a secondary connecting cylinder, a secondary stretching rod and an end mounting device; the upper end sliding block, the lower end sliding block and the moving positioning block are arranged in the fixed sliding rail from top to bottom, the rotating block is arranged between an upper end fixing block and a lower end fixing block through an end plug pin, the first-stage connecting cylinder is hinged to the rotating block, the first-stage stretching rod is connected with the end of the first-stage connecting cylinder, the connecting part is arranged at the end of the first-stage stretching rod, the turnover fold plate is hinged to the connecting part, the secondary connecting cylinder is connected with the end face of the fold plate, the secondary stretching rod is connected with the end of the secondary connecting cylinder, and the end mounting device is arranged at the end of the secondary connecting cylinder. The offshore platform test high-precision explosion source positioning device is simple in structure, convenient to mount and low in production cost, the device is characterized in that in the test on the floating impact platform, the accurate positioning of an explosion source is achieved, and meanwhile, the explosion source positioning device can be repeatedly dismounted and mounted.

A motor control apparatus operable to control a motor includes a phase determiner for determining a rotational phase of a rotor of the motor, and a controller having a first control mode for controlling a driving current flowing through a winding of the motor based on a current of a predetermined magnitude, and a second control mode for controlling a driving current flowing through the winding so that a deviation between a command phase representing a target phase of the rotor and a rotational phase determined by the phase determiner is reduced. The controller executes the first control mode without executing the second control mode in a case of rotating the motor in a first direction, and executes the second control mode in a case of rotating the motor in a second direction which is a reverse direction to the first direction.