37results about How to "Increase output resolution" patented technology

The invention discloses a pixel structure, a driving method of the of pixel structure, as well as a display device. The pixel structure is composed of a plurality of RGB (Red, Green and Blue) sub-pixels which have the same shape and are tightly arrayed, wherein in each row of sub-pixels, a square pixel unit is composed of adjacent at least two sub-pixels; the sub-pixels in each two adjacent rows of sub-pixels are staggered for the position of the half sub-pixel in the row direction; the colors of each sub-pixel and the sub-pixels of the adjacent row are different; the pixel structure is matched with virtual calculation to realize virtual display, namely an actual physical position corresponds to input information and the input information is subjected to brightness redistribution and is intensively output to the actual physical position, for example, white pixel image display is realized by only opening the three adjacent sub-pixels which are located at the positions of the pixel units for displaying white pixels and are distributed in a triangular shape, so that the sub-pixels can be flexibly selected to be opened under the condition that the pixel sizes are not reduced, same information is displayed by the relatively few pixels, and the output resolution ratio of a display image is increased.

An autostereoscopic display device comprises a display panel (3) having an array of display pixel elements (5) for producing a display, the display pixel elements being arranged in rows and columns. An imaging arrangement (9) directs the output from different pixel elements to different spatial positions to enable a stereoscopic image to be viewed. The imaging arrangement comprises first and second polarization-sensitive lenticular arrays (50,52), wherein the light incident on the imaging arrangement is controllable to have one of two possible polarizations, and wherein each of the two possible polarizations gives a different 3D mode. These multiple modes can be used to increase the resolution, or increasing the number of views, or provide additional functionality to the display device.

Embodiments of the present invention provide a magnetic recording medium for use in high-reliable magnetic recording apparatus capable of reading / writing information with high density. In one embodiment, a magnetic recording apparatus includes a magnetic recording medium, a driver for driving the medium in a recording direction, a compound type magnetic head having an electromagnetic induction type magnetic head for recording and a spin-valve type magnetic head for reading in combination, a mechanism to move the head relative to the medium, and a read / write signal processing module for the head. The magnetic recording medium has a magnetic layer formed by way of a first underlayer, a second underlayer and a third underlayer on a substrate. The first underlayer comprises an alloy of an amorphous structure, the second underlayer comprises a W element or a W-containing alloy layer, the third underlayer comprises one or more Cr-based alloy layers of a body-centered cubic structure, and the magnetic layer comprises one or more Co-based alloy layers of a hexagonal close-packed structure.

The invention provides an image segmentation model training method and device, an image segmentation method and device, equipment and a medium, and the training method comprises the steps: obtaining asample data set which comprises a plurality of training images, wherein each training image is marked with a corresponding segmentation label; and training a pre-established image segmentation modelaccording to the sample data set, the image segmentation model comprising an encoder and a decoder, and the decoder performing up-sampling by using a sub-pixel convolution network. According to the invention, sub-pixel convolution is used to replace interpolation operation or transposed convolution operation commonly used in a decoder of an image segmentation model to carry out up-sampling, the problem that too many artificial errors are introduced into traditional interpolation operation or transposed convolution operation can be solved, and the image segmentation precision is improved.

The invention provides a plane walking actuator based on piezoelectric-parallel four-bar mechanisms and a walking method. The actuator is formed by a piezoelectric three-level displacement amplifying mechanism, connecting rods, pins, parallel four-bar mechanisms, a guide rail, a driver and a controller. The method for achieving walking comprises that the piezoelectric three-level displacement amplifying mechanism is made of a piezoelectric stack and three rhombus rings and micrometric displacement output by the piezoelectric stack is amplified and then output; the connecting rods are connected the piezoelectric three-level displacement amplifying mechanism and the parallel four-bar mechanisms; the pins are rotating shafts; each of the parallel four-bar mechanisms is formed by four bars and two piezoelectric flexible structures and is fixedly engaged to a micro tooth groove of the guide rail via a micro tooth groove of corresponding piezoelectric flexible structures; and when the actuator begins to walk, the upper-part bars are fixed on the guide rail; after the actuator is electrified, the piezoelectric stack extends and the lower-part bars move rightwards; then the lower-part bars are fixed, so the upper-part bars are suspended and then the actuator is cut off, so the extended piezoelectric stack contracts and the upper-part bars move rightwards; and along with the orderly extending and contracting of the piezoelectric stack, rightward movement or leftward movement can be gradually achieved.

The invention discloses a pixel structure, a drive method thereof and a display device. The pixel structure comprises a plurality of repetition sets closely arranged. The repetition sets are composed of RGB square pixel units linearly arranged. Each square pixel unit is composed of two subpixels with the same color and shape. The subpixels of the adjacent square pixel units are different in an arrangement mode. The repetition sets on the two parallel and adjacent straight lines are staggered by a half square pixel unit, brightness reallocation is carried out on input information, then the input information is output to the corresponding actual physical position, for example, when a while pixel is displayed, all subpixels in the three adjacent RGB square pixel units distributed in the shape like the Chinese character 'pin' or the three adjacent subpixels at the position where the square pixel unit displaying the while pixel is located are controlled, the selective opening of the subpixels is applied under the premise that the pixel size is not reduced, and the resolution ratio of image displaying is improved.

A magnetic-piezoelectric stepping type large-displacement actuator and an actuation method thereof. The actuator consists of a housing, an external magnetizer, an internal magnetizer, a permanent magnet, a coil, a spring and piezoelectric amplification mechanisms. The process for realizing bidirectional stepping type actuation is as follows: a uniform toroidal magnetic field is generated between the internal and external magnetizers at two ends of the permanent magnet, the coil is located in the magnetic field, an outer end is connected with the first piezoelectric amplification mechanism, and the interior is connected with the internal magnetizer through the spring; the external magnetizer is connected with the second piezoelectric amplification mechanism; the piezoelectric amplification mechanisms are locked to an inner wall of the housing when not electrified; a first piezoelectric stack is electrified, and locking is released; then current is applied to the coil, and Ampere force is generated to push the first piezoelectric amplification mechanism to move; the first piezoelectric stack is powered off and locked, a second piezoelectric stack is electrified and locking is released, and spring restoration force pulls the coil and the second piezoelectric amplification mechanism to move, thereby realizing unidirectional movement; and if current of an opposite direction is applied to the coil, reverse movement is realized; and thus bidirectional stepping type output of large displacement and force is realized.

The invention relates to a solid-state imaging device, a method for controlling the same, and an electronic apparatus comprising the same. The solid-state imaging device includes a plurality of pixels which are arranged in a two-dimensional array form and in each of which color separation is performed in a substrate depth direction. The solid-state imaging device includes a pixel addition section which performs addition, when pixel signals of the plurality of pixels are added up to be outputted, by setting addition regions of pixel signals of a first color component to be shifted from addition regions of pixel signals of a second color component at regular intervals. According to the invention, output resolution in the solid-state imaging device performing the color separation in the substrate depth direction can be enhanced.

A magnetic recording medium capable of attaining high in-plane recording density of 100 Mbits or more per 1 mm2 is provided. Magnetic recording medium is provided in which underlayers, a first magnetic layer, a first intermediate layer, a second magnetic layer, a second intermediate layer, a third magnetic layer, a protection layer and lubrication layer are formed in this order above a substrate. Each of the third magnetic layer and the second magnetic layer comprises a Co-based alloy containing at least Pt, Cr and B. The concentration of Pt contained in the second magnetic layer is not more than that in the third magnetic layer.

Systems and methods for improving output resolution of an optical drive circuit in an optical sensor. The optical sensor circuit includes an optics circuit that generates analog measurement data, a detector circuit that detects the analog measurement data and converts the analog measurement data to a digital measurement data, and a signal processing circuit that demodulates the digital measurement data and generates a segmented digital signal based on the demodulated digital measurement data. The optical sensor circuit further includes an optics drive circuit that generates an analog drive signal based on the segmented digital signal. The analog drive signal is then used to drive the optical circuit.

The invention provides a piezoelectric torque actuator based on a planar two-level displacement enlargement mechanism and an actuating method thereof. The actuator comprises a shell, a planar two-level displacement enlargement mechanism, a piezoelectric stack and a torsion wheel, wherein the planar two-level displacement enlargement mechanism is placed in the shell; the piezoelectric stack is placed in the planar two-level displacement enlargement mechanism; the torsion wheel is mounted on the shell; the central hole of the torsion wheel sleeves an external diamond ring intermediate shaft of the planar two-level displacement enlargement mechanism; after the piezoelectric stack is powered up, the piezoelectric stack elongates, the short shaft direction of an external diamond ring is elongated, a flexible hinge rotates and deforms, the external diamond ring intermediate shaft rotates to drive the torsion wheel to rotate an angle, thus realizing the output angle displacement and torque function. The piezoelectric torque actuator disclosed by the invention has the characteristics of electromagnetic interference resistance, simple structure, low power consumption, large rotation angle, small size and light weight.

A high speed analog photon counter and method is provided. In one aspect, the method includes delivering an electric charge to a circuit of the high speed analog photon counter through a current source of the circuit. The method also includes accumulating the electric charge in a capacitor of the circuit electrically coupled to the current source. The method further includes comparing the electric charge accumulated in the capacitor of the circuit with a reference voltage through a comparator of the circuit electrically coupled to an output of the capacitor. The output of the capacitor of the circuit is coupled to an input of the comparator of the circuit, and the reference voltage is coupled to another input of the comparator of the circuit. The method furthermore includes resetting the capacitor of the circuit when the electric charge accumulated in the capacitor of the circuit matches the reference voltage.

A pulse width position modulator (PWPM) includes a digital delay circuit that outputs multiple subclocks according to a native pixel clock. The multiple subclocks are each skewed within different time periods of the native pixel clock period. A skew pulse generator receives the multiple subclocks from the digital delay circuit and outputs multiple subpixels according to different logical combinations of the multiple subclocks thereby providing increased subpixel output resolution using the native pixel clock. A clock skew synchronizer aligns the subpixels with a line synchronization signal. The clock skew synchronizer allows lines in a printed image to be aligned with the line synchronization signal within subpixel resolution without using high frequency sampling circuity.

The invention provides an actuator and method for achieving the torque through piezoelectric-link mechanisms. The actuator is composed of the piezoelectric-link mechanisms, pins, actuating discs, a driver and a controller. The method includes the following steps of firstly, amplifying miniature linear displacement outputted by piezoelectric materials through piezoelectric constraint-multi-stage displacement amplifying mechanisms and then outputting the displacement, wherein the piezoelectric-link mechanisms are composed of piezoelectric stacks and the piezoelectric constraint-multi-stage displacement amplifying mechanisms; secondly, exerting pulling force and linear displacement on the pins located on the actuating discs through the piezoelectric-link mechanisms, wherein a certain distance exists between each pin and the circle center of the corresponding actuating disc so that force and linear displacement outputted by the piezoelectric materials can be converted into torque output and continuous rotation of the actuating discs; thirdly, exerting different magnitudes of pulling force or lost motion on the pins at different phase positions where the different numbers of piezoelectric-link mechanisms rotate so that it can be ensured that the actuator stably outputs the torque. The actuator and method have the advantages of being large in output torque, small in energy consumption, free of phase intervals, capable of conducting multi-circle continuous actuation, high in timeliness and the like.

Systems and methods for improving output resolution of an optical drive circuit in an optical sensor. The optical sensor circuit includes an optics circuit that generates analog measurement data, a detector circuit that detects the analog measurement data and converts the analog measurement data to a digital measurement data, and a signal processing circuit that demodulates the digital measurement data and generates a segmented digital signal based on the demodulated digital measurement data. The optical sensor circuit further includes an optics drive circuit that generates an analog drive signal based on the segmented digital signal. The analog drive signal is then used to drive the optical circuit.

The invention relates to a voice coil-piezoelectric hybrid large displacement actuator. The voice coil-piezoelectric hybrid large displacement actuator is composed of a magnetizer, an annular permanent magnet, a hollow iron core, a pull rod, a coil, a locking end, a cover plate, a piezoelectric amplifying mechanism, a limiting block and a screw. A process of realizing large displacement actuation is as follows: a uniform air-gap magnetic field is produced between the magnetizer and the annular permanent magnet inlaid in the magnetizer, the coil is arranged in the magnetic field, one end of the coil is connected with the pull rod, the pull rod sheathes inside the hollow iron core, the hollow iron core clings the annular permanent magnet and is connected with the bottom of the magnetizer in a communicating manner; the magnetizer is fixed at the locking end; the piezoelectric amplifying mechanism is composed of a piezoelectric stack and a tertiary displacement amplifying mechanism and sheathes the fine end of the pull rod, and a third rhombohedral ring short axis tooth socket of the tertiary displacement amplifying mechanism is meshed and locked with a tooth socket in the inner wall of the locking end; the piezoelectric stack is electrified, the third rhombohedral ring short axis is shortened, and locking is relieved; then quantitative and directional current is applied to the coil, ampere force is produced, and the pull rod is pulled; and if the piezoelectric stack is cut off from electricity, locking is realized again, and large displacement and force output of position locking are realized.

Improved microscan apparatus and methods use a high-resolution optical sensor to measure the displacement of a scene relative to a focal-plane-array (FPA) sensor used to collect images of the scene, eliminating components within the FPA sensor itself to vary the image's location on the FPA. The projection of the scene image varies on the FPA due to the relative movement of the sensor or other external factors. The focal-plane-array (FLA) sensor and high-resolution optical sensor are mounted on a common platform so that both sensors track a scene along the same line of sight. The displacement of a scene on the FPA sensor is computed using the displacement of the scene gathered by the high-resolution optical sensor; and the resolution of the scene on the FPA sensor is enhanced using the computed displacement to generate an output image. The image may be a three-dimensional image, including a 3-D Laser Detection and Ranging (LADAR) image.

The invention provides an actuator and method for achieving the torque through piezoelectric-link mechanisms. The actuator is composed of the piezoelectric-link mechanisms, pins, actuating discs, a driver and a controller. The method includes the following steps of firstly, amplifying miniature linear displacement outputted by piezoelectric materials through piezoelectric constraint-multi-stage displacement amplifying mechanisms and then outputting the displacement, wherein the piezoelectric-link mechanisms are composed of piezoelectric stacks and the piezoelectric constraint-multi-stage displacement amplifying mechanisms; secondly, exerting pulling force and linear displacement on the pins located on the actuating discs through the piezoelectric-link mechanisms, wherein a certain distance exists between each pin and the circle center of the corresponding actuating disc so that force and linear displacement outputted by the piezoelectric materials can be converted into torque output and continuous rotation of the actuating discs; thirdly, exerting different magnitudes of pulling force or lost motion on the pins at different phase positions where the different numbers of piezoelectric-link mechanisms rotate so that it can be ensured that the actuator stably outputs the torque. The actuator and method have the advantages of being large in output torque, small in energy consumption, free of phase intervals, capable of conducting multi-circle continuous actuation, high in timeliness and the like.

An apparatus, method, and associated systems are provided. A plurality of anisotropic magnetoresistive sensors are arranged in an array, each anisotropic magnetoresistive sensor comprising a magnetic field transducer and a sensor signal conditioning circuit. A central processor in electrical communication with each anisotropic magnetoresistive sensor is provided. The central processor is configured to compare processed signals received from at least two of the plurality of anisotropic magnetoresistive sensors to determine a position of the magnet.

An integrated circuit memory cell and voltage ladder design that adapts techniques typically applied to Static Random Access Memory (SRAM) circuits to implement a compact array of analog Voltage Random Access Memory (VRAM) locations. The memory cells in the VRAM each store a digital value that controls a corresponding switch. The switch couple a particular voltage from a set of voltages generated by the ladder, to be output when that location is enabled. Multiple analog output voltages are provided by simply providing additional rows of cells.

The invention discloses a hydrogovernor paddle combination optimization method and system with a fine differentiation function. The method includes the steps: setting n waterhead combination point fixed values and n paddle given point fixed values; performing waterhead subdivision to obtain waterhead given values H(given); performing paddle given subdivision to obtain paddle given values D(given);and acquiring waterhead measured values H(measured) and paddle measured values D(measured), calculating a first combination value L(i) of each combination point i, calculating a second combination value M(i) of each combination point i, and calculating a finally output paddle combination value Y(H given) of each combination point i. The method can improve to ensure that a governor actual execution combination relationship is kept consistent with an optimal combination relationship, can guarantee accurate measurement and calculation of paddle combination and avoid the problems of low accuracy,large accumulative calculation errors, transfer equipment faults and the like caused by frequent waterhead changes, and can be applied to various hydrogovernor combination devices.

The invention discloses a piezoelectric-piston type actuation device with three-stage displacement amplifying structure and an actuation method of the piezoelectric-piston type actuation device. The actuation device comprises two piezoelectric constraint and three-stage displacement amplifying mechanisms, connecting rods, pins, a crankshaft, an output wheel, a driver and a controller. The method for achieving continuous rotational drive includes that a piezoelectric amplifying mechanism consists of a piezoelectric stack and the piezoelectric constraint and three-stage displacement amplifying mechanisms, and infinitesimal linear displacement output from the piezoelectric stack is output after being amplified by the piezoelectric constraint and three-stage displacement amplifying mechanisms; the connecting rods disposed at the left and right ends are connected with the displacement amplifying mechanisms and the crankshaft, the crankshaft receives force from the connecting rods disposed at the left and right ends, and the torque is formed around the center of the crankshaft to drive the output wheel to rotate; in-phase motion is kept along with extension and contraction of piezoelectric material, so that clockwise or anticlockwise high torque can be output continuously; accordingly, the force output from the piezoelectric material and the linear displacement are converted into the torque of the output wheel to achieve continuous rotation.

The invention relates to a method for extracting the signal of a campaniform vibrator type angular rate gyroscope. The method comprises the following steps of: (1)applying a vibrator excitation signal on an axial direction formed by a piezoelectric patch A and a piezoelectric patch E; (2) extracting the signals of a piezoelectric patch C, a piezoelectric patch G, a piezoelectric patch D, a piezoelectric patch H and eight capacitive sensors; (3) fusing the acquired signals, and computing the output signals of axial directions; (4) carrying out amplitude stability control and frequency stability control on input signals by utilizing output information in the axial directions; (5) computing quadrature error and rate error by utilizing the output information in the axial directions; and (6) synthesizing the computed quadrature error and rate error to generate control moments in the axial directions, and outputting input angle rate. The method disclosed by the invention overcomes the defect of influence of a single piezoelectric device on gyroscope output information, enhances the design accuracy of the campaniform vibrator type angular rate gyroscope and lays a foundation for the design of the campaniform vibrator type angular rate gyroscope.

A high-compactness mother disc CD-RW device is precisely controlled by the control system fixed under the rotating air-floating table. It has the precise table radially moving on high-precision optical raster, vertical table, optical writing head and the drive of air-floating mainshaft of mother disc. Its advantages are compact structure, closed-loop control, and high locating precision and reliability.

The invention discloses a micro-flow accurate control type proportional electromagnetic valve comprising an inlet connector, a valve body-coil assembly, an outer magnetizer, an armature assembly, a valve seat assembly, an outlet connector, a first shell and a second shell. The first shell and the second shell are connected. The valve body-coil assembly, the outer magnetizer and the armature assembly are all arranged in an internal space formed by the first shell and the second shell. The valve body-coil assembly is connected with the armature assembly. The outer magnetizer is arranged outsidethe valve body-coil assembly in a sleeving manner. The inlet connector is connected with the valve body-coil assembly. One end face of the outlet connector is connected with the armature assembly in acompression manner. The side wall of the outlet connector is connected with the second shell. The valve seat assembly is arranged in the outlet connector. One end of the armature assembly is embeddedinto the valve seat assembly. The micro-flow accurate control type proportional electromagnetic valve can achieve the function of high-precision pressure and flow continuous output control and effectively guarantee reliable work of an electric propulsion system.