75results about How to "Solve crosstalk" patented technology

The invention provides a method, apparatus and system of signal processing. The method comprises: sending crosstalk detection signals on an interconnection line through a first user port; receiving an error sample of an actual downgoing signal feedback by a terminal side on an interconnection line through a second user port; evaluating the coefficient of DSLAM precoder on the basis of the error sample of the actual downgoing signal and the crosstalk detection signal, and obtaining the evaluated precoder coefficient which is used to offset the far-end crosstalk which the interconnection line of the second user port suffers when the first user port sends SELT signal.

The invention relates to a radio frequency structure for realizing the function of switching dual-band GPS satellite signal into base band signal; wherein GPS satellite signal is divided into circuits of L1 frequency band and L2 frequency band, and generation circuits of local oscillator 1743MHz, 1059MHz, 336MHz and clock signal 25MHz, a processing circuit for converting down GPS satellite signal into intermediate frequency signal, and a circuit of I path and Q path digital signal obtained by processing the intermediate frequency signal by orthogonal demodulation, filtration and A/D conversion after being received. The difference between a primary local oscillator signal frequency of L1 and the L1 frequency band of GPS satellite signal is positive, the difference between a secondary local oscillator signal frequency of L2 and the L2 frequency band of GPS satellite signal is negative, and the primary local oscillator signal frequency of L1 and the primary local oscillator signal frequency of L2 are respectively generated by different frequency synthesizers. The adoption of the radio frequency structure not only solves the mutual interference problem of channel signals, but also enhances the signal-to-noise ratio of the system. The circuit structure is simple and practical, the working performance is stable and reliable, and the application range is wider.

The invention discloses a photon orbital angular momentum mode measurement method and system based on helical transformation. The method comprises the following steps: a phase plate at an input planemaps an incident light field to a straight line of an output plane along a helical path on the input plane, and the phase plate at the output plane compensates the phase accumulated by propagating thelight field to the output plane from the input plane in the above transformation process, thereby a the to-be-tested photo orbital angular momentum mode at the input plane into a plane wave mode withthe specific tilt wave-front at the output plane; and then a convex lens focus the plane wave modes with different tilt wave-fronts on different locations of the focal plane, thereby realizing one-to-one corresponding and detection of the to-be-tested photo orbital angular momentum mode and the space location. The adjacent model crosstalking problem caused by demodulation facula widening is effectively overcome, and the high-resolution photon orbital angular momentum mode measurement is further realized when the high demodulation efficiency is maintained.

The invention discloses a gating method of a memory and a circuit structure implementing the method. The memory uses a diode as a gating device to apply operating pulse and pull-down of word line voltage to bit lines of memory cells to be operated when read-write operation is performed and apply a direct current voltage higher than the word line voltage to the bit lines of memory cells which are free from read-write operation and in the same word line with the memory cells to be operated, so that a leakage current which is generated due to parasitic triode effect is zero and crosstalk problem caused by the leakage current is radically solved on the circuit. The direct current voltage higher than the word line voltage is generated via a peripheral circuit.

The purpose of the present invention is to provide an inkjet head driving method, an inkjet head driving device, and an inkjet printing device, which, without making any changes to head structure, can simultaneously reduce drive load and the crosstalk generated between multiple rows of pressure chambers that communicate through a common ink chamber. In an inkjet head comprising two or more rows of pressure chambers for generating the pressure to discharge the ink therein from the nozzles by means of pressure-supplying means that are operated by the application of drive signals and in which the pressure chambers of each row of pressure chambers communicate with each other through a common ink chamber: the rows of pressure chambers are divided into N (N being an integer 2 or greater) drive groups; and between different drive groups, a phase difference of nAL+t (n is an integer 1 or greater, AL is ½ of the acoustic resonance period of the pressure wave in the pressure chambers, and t is the pressure wave transmission time determined from [inter-nozzle distance between drive groups]/[velocity at which sound is conducted through the ink]) is provided for the drive signals that are applied to the pressure-supplying means of the pressure chambers.

The invention discloses an optical module. The optical module comprises a circuit board; a light emitting assembly which is electrically connected with the circuit board and is used for emitting a light signal; a light receiving assembly which is used for receiving a light signal from the outside of the light module; a flexible board which is used for connecting the light receiving assembly and the circuit board; the light receiving assembly comprises a housing; an optical receiving device which is arranged in the shell and is used for receiving an optical signal of an external optical fiber;and a trans-impedance amplifier which is arranged on the surface of the flexible board inserted into the shell, is connected with the light receiving device, is electrically connected with the circuitboard through the flexible board, and is used for transmitting the amplified electric signal to the circuit board. According to the optical module provided by the invention, the optical receiving assembly is integrated on the flexible board; the optical receiving assembly is connected to the circuit board through the flexible board, chips of the transmitting end and the receiving end are prevented from being integrated on the circuit board, the distance between the transmitting chip and the receiving chip is spatially separated through the external flexible board, and the problem of circuit crosstalk is fundamentally solved by means of spatial isolation, position isolation and the like.

The invention provides a TFT array structure and a manufacturing method thereof. The TFT array structure comprises a base plate, a grid line and a common electrode which are formed on the base plate, data lines crossed with the grid line, insulating layers formed on the common electrode and the base plate, and TFTs formed on the intersections of the grid line and the data lines, wherein each TFT comprises a grid forming into a whole with the grid line, a grid insulating layer and a semiconductor layer which are sequentially formed on the grid, a drain electrode and a source electrode forming into a whole with the data lines; the semiconductor layer on the grid line between the intersections of two data lines and the grid line is at least partially etched. Therefore, when voltage signals of the two data lines are different, current does not flow between the two data lines. By the invention, the manufacturing cost of the TFT array structure can be reduced; the problems of crosstalk and distortion between the data lines are solved; and the yield is enhanced advantageously.

The invention relates to the technical field of routing devices of electric appliance cabinets and in particular relates to a cabinet routing box. The cabinet routing box comprises a routing trough and a cover plate, wherein the cover plate is connected with the routing trough in a clamping manner. The cabinet routing box is fixedly connected with a groundable cabinet shell. Meanwhile, the invention also relates to an electric appliance cabinet on which the cabinet routing box is installed. The cabinet routing box has the beneficial effects that the cabinet routing box has the effects of effectively solving the problem of crosstalk among various cables in existing cabinet routing modes, improving the EMC (electromagnetic compatibility) characteristic of internal cables and shortening the EMC test period and has good mechanical protection and electric protection functions; meanwhile, as the cover plate and routing trough of the cabinet routing box are connected in a clamping manner, the cabinet routing box has a simple structure and is convenient to machine, disassemble and maintain.

The invention discloses an anti-crosstalk flexible transparent memory array and a preparation method of the array. An organic diode is used as a drive pipe, the preparation technology is simple, the occupied area is small and the array is convenient to reduce with equal ratio. In the invention, flexible transparent material is adopted, thus the array has the intrinsic characteristic of a variable resistance memory, also has the advantages of being flexible and transparent, especially solves the problem of crosstalk in the integrated array of the memory; and the prepared memory array can be widely used in electronic paper, flexible transparent display and other related electronic systems. The organic material is used for replacing the traditional expensive heavy silicon and other inorganic materials and the memory array is a green environmental protection device adapted to the future development and also has the advantages of being light in weight and low in cost of the organic semiconductor material, and the device has a fully transparent structure and produced on a transparent device or article by a transparent encapsulation process and especially promotes the display technology of a new generation.

The invention provides a fingerprint identification structure and a display panel, belongs to the fingerprint identification and display technical field, and can partially solve the problems that an existing fingerprint identification structure is easy to have crosstalk. The fingerprint identification structure comprises a plurality of identification units arranged in an array; each identificationunit comprises an emission module and a sensing module; the sensing module is arranged in a position capable of receiving lights emitted by the emission module and reflected by the fingerprint; in each identification unit, the sensing module can sense that the light wavelength is equal to that of the light emitted by the emission module; the wavelengths of lights emitted by the emission modules in at least partial the adjacent identification units are different.

The invention discloses a driving method of a liquid crystal display device, the liquid crystal display device comprises a liquid crystal display panel and N source electrode drivers driving the liquid crystal display panel, wherein N is an integer and is larger than or equal to 2. The driving method provides each source electrode driver with two polarity control signals so as to ensure opposite voltage polarities of corresponding sub-pixel between adjacent source electrode drivers, wherein the first polarity control signal is a polarity reverse signal of a plus phase or a polarity reverse signal of a minus phase; M polarity reverse signals of plus phase and M polarity reverse signals of minus phase are alternatively provided for all N source electrode drivers in the liquid crystal display device, wherein M is an integer and satisfies the formula: M is larger than or equal to 1 and is less than or equal to (N+1)/2; the second polarity signal is a determined pin signal of high potential or low potential. The driving method can solve the problems of green attachment and interference, and reduces flickers.

The invention provides a low input signal crosstalk multipath time division multiplexing an SAR ADC circuit system. The circuit system comprises a special multi-input crosstalk model circuit, a single-ended to double-ended circuit, a successive approximation type analog-to-digital converter SAR ADC, latches Latch _ A, Latch _ B and Latch _ C and a sequential control circuit. By adding the specialmulti-input crosstalk model circuit to the input ends of the SAR ADC, the interference of crosstalk signals between the input ends on sampling signals is suppressed, and the accuracy of SAR ADC outputsignals is improved. According to the invention, the integration level of three-dimensional acceleration is improved, and the area of a chip is reduced; due to the adoption of the special multi-inputcrosstalk model circuit, the problem of crosstalk of multiple paths of sampling signals at the input end is solved; a fully differential structure is adopted to design a multi-channel time division multiplexing SAR ADC, and the interference of input common-mode noise on an SAR ADC circuit is reduced.

The invention discloses an anti-crosstalk flexible transparent memory array and a production method thereof. A transparent selectron serves as a driving tube, repeated erasing and writing of a circuit on memory cells can be achieved through the bidirectional continuity characteristic of the selectron, and a problem of crosstalk is resolved. As the driving tube of the memory array, the selectron resolves the problems of large area of transistors and restriction of unipolar operation of diodes and is adapted to scaling-down process of components. Moreover, the production method of the selectron is simple and cost is saved. The anti-crosstalk flexible transparent memory array uses flexible transparent materials and combines a flexible transparent electronic system, the driving tube and a resistance random access memory. Besides the characteristic of the resistance random access memory, the anti-crosstalk flexible transparent memory array also has the advantages of being flexible, transparent and the like, and particularly resolves the memory crosstalk problem in an integrated array. The produced memory array can be used in electronic paper, flexible transparent display, and other relative electronic systems widely.

The application discloses an array substrate, a display panel, a display device and a driving method. The array substrate comprises N rows and M columns of pixel units, each pixel unit comprises a first transistor and a second transistor arranged in a serial manner, a source electrode of the first transistor is used for connecting a source electrode driving circuit, a grid electrode of the first transistor is used for connecting a grid electrode driving circuit, a drain electrode of the first transistor is connected with a source electrode of the second transistor, a drain electrode of the second transistor is connected with a pixel capacitor, grid electrodes of the second transistors in the odd number rows are connected with the same first control signal line, grid electrodes of the second transistors in the odd number rows are connected with the same second control signal line, and the first control signal line and the second control signal line are both used for being connected witha display driving IC. According to the above scheme, the problem of crosstalk can be solved.

The invention discloses an on-chip antenna based on a glass through hole array. The on-chip antenna comprises a glass dielectric substrate, a director, a monopole antenna radiator, a reflecting wall,a top-layer cut-off metal floor, a bottom-layer cut-off metal floor, a bottom-layer metal strip, a connecting glass through hole array and a grounding coplanar waveguide feed structure. According to the on-chip antenna based on the glass through hole array disclosed by the invention, the glass medium with relatively low dielectric constant and dielectric loss is used as an antenna carrier, signalradiation is carried out through the glass through hole array, and the whole antenna has the advantages of large radiation gain, high transmission efficiency and low process cost. The redundant glassthrough hole array is used as a director and a reflecting wall for antenna signal radiation, so that the radiation directivity and the radiation gain of the on-chip antenna are improved. The on-chip antenna is simple in structure and convenient to manufacture, on-chip point-to-point wireless interconnection can be well achieved, and the problems of crosstalk, time delay, parasitic parameters, highpower loss and the like caused by wired connection are effectively solved.

The invention relates to a detection circuit and a multi-branch recognition device. The detection circuit is used for detecting and receiving or transmitting a pulse current signal, and comprises a current-voltage conversion circuit, a primary amplification circuit, a bias circuit and a secondary amplification circuit, wherein the current-voltage conversion circuit comprises a current transformerand a first operational amplifier; the current transformer is used for reducing a first current signal input by the primary side of the current transformer; the first operational amplifier is used forconverting a second current signal output by the secondary side of the current transformer into a first voltage signal; the primary amplification circuit is used for amplifying the first voltage signal into a second voltage signal and outputting the second voltage signal; the bias circuit is used for providing a bias voltage signal; and the secondary amplification circuit is used for amplifying the sum of the second voltage signal and the bias voltage signal into a third voltage signal. Compared with a detection circuit in a traditional identification device, the detection circuit disclosed by the invention is higher in sensitivity and solves the problem of information crosstalk during recognition.

A PCIe/SAS connector structure related to the connector field is provided, including a body member, a terminal assembly, a cover member, and a fixing plate. The body member includes a terminal groove and is formed of a plastic material. The terminal assembly includes a signal terminal and a power terminal, and is inserted in the terminal groove in the body member. The cover member includes an electrically conductive plastic member and a metal cover plate, and structurally formed in a plate shape. When the terminal assembly is inserted in the body member, the cover member is embedded in the body member and disposed at an inner lateral of the terminal assembly. The electrically conductive plastic member is divided into at least two sections. The metal cover plate is embedded in the electrically conductive plastic member. With such configuration, a plurality of advantageous effects are achieved.

The invention discloses a flexible pressure sensing array prepared by utilizing a laser cutting manner. The flexible sensing array is composed of a plurality of sensing units connected in parallel, each of the sensing units is a five-layer superimposed structure, and the five-layer superimposed structure separately includes a substrate film, a column electrode, a laser-cut hollow-out piezoresistive film, a row electrode and a protective film from bottom to top, the column electrode is printed on the substrate film, an electrode of the row electrode is printed on the protective film, the laser-cut hollow-out piezoresistive film is sandwiched between the substrate film printed with the column electrode and the protective film printed with the row electrode, and the substrate film and the protective film are bonded together by glue; and in order to reduce crosstalk between the sensing units, a part of the piezoresistive film between the sensing units utilizes laser resection, and a part of connection is remained between the sensing units to keep a relative position and an overall shape unchanged. The flexible pressure sensing array enables the crosstalk to be reduced without increasing assembly complexity, solves the conflict of the crosstalk and the assembly complexity, and can be simultaneously applied to real-time graphical pressure distribution display.

The invention discloses a storage electrode connecting framework of a liquid crystal display. The storage electrode connecting framework comprises a plurality of scanning lines formed in a horizontal direction, a plurality of data lines formed in a vertical direction, pixel electrodes which are formed in pixel regions defined by the crossing of the scanning lines and the data lines and are used for receiving image signals through the data lines, a storage circuit which comprises a storage electrode line and a storage electrode for connecting the storage electrode line, and a storage circuit connecting line slantly connected with an adjacent storage electrode, wherein the data lines are crossed with the scanning lines and insulated from the scanning lines. The storage circuit is slantly connected with the adjacent storage electrode, the crosstalk or flash problem caused by a condition that the signal easily has a delay phenomenon in a picture central part is solved, and the stripe visual problem can be improved by controlling a connecting distance in a slant direction.

The embodiment of the present application relates to the field of laser detection technology, and discloses a laser radar and an intelligent sensing device, including: a body and a protective cover; the body is located in the protective cover and rotates relative to the protective cover; a laser emitting unit and a laser receiving unit are adjacently arranged on one side of the body, and an optical isolating plate is disposed between the laser emitting unit and the laser receiving unit. One end of the optical isolating plate is disposed on the body, and the other end faces the protective coverand extends and shifts to the side of the laser emitting unit or the laser receiving unit, and rotates relative to the protective cover. In the above manner, the embodiment of the present applicationachieves shielding and blocking of interfering laser signals, well solves the problem of crosstalk between signals due to laser signal scattering and reflection of the protective cover, and improvesthe laser radar detection accuracy.