5643 results about "Signal lines" patented technology

The invention relates to the technical field of electronic circuits, in particular to a construction method and system of a high-speed differential signal transmission model. The method comprises the following steps: acquiring design data of the printed circuit board, and extracting differential signal line data; constructing a high-speed differential signal transmission model according to the differential signal line data; performing signal transmission simulation based on the high-speed differential signal transmission model to obtain high-speed differential signal transmission data; identifying a crosstalk source position based on the high-speed differential signal transmission data to obtain a crosstalk source coordinate; detecting via hole dislocation based on the crosstalk source coordinates to obtain via hole dislocation data, and evaluating a heat accumulation degree based on the via hole dislocation data; identifying an electrical fault area of the circuit board based on the heat accumulation degree; and extracting stack structure information according to the printed circuit board design data. Based on the electronic circuit technology, the precision and reliability of the high-speed differential signal transmission model are improved, and the signal transmission quality and the electrical fault detection rate are remarkably improved.

An electronic device has a substrate, a signal wiring and a heat radiating wiring. The substrate has one surface and the other surface opposite to the one surface. The signal wiring is formed on an insulating layer of the substrate. The heat radiating wiring is formed on the insulating layer and thermally connected to the signal wiring on a same plane as the signal wiring.

The invention discloses an intelligent underwater sound signal processing system and method based on multi-sensor data fusion, and belongs to the field of underwater signal processing. A plurality of sensors are used for collecting underwater sound signals, linear acceleration, angular velocity and other information of an underwater target and outputting continuous analog signals; then the differential signals are transmitted to a signal conditioning module, gain is dynamically adjusted according to target intensity, amplified differential signals are output to an analog-to-digital conversion module, high-precision digitalization is carried out through a 24-bit delta-sigma ADC, digital signals are output to a main control unit, and the main control unit carries out multi-sensor data fusion and target orientation calculation; and finally, the main control unit uploads the underwater acoustic signal and the equipment attitude information data to an upper computer through an RS485 bus for man-machine interaction. The scheme is based on multi-sensor data fusion, can realize high-precision target detection and positioning in a dynamic underwater environment, and has wide popularization and application values.

The invention discloses an abnormal detection method and system for a splayed anti-loosening line of a rail train, and relates to the technical field of rail traffic detection, and the method comprises the steps: image collection and processing: shooting an image of a fixed point region containing the anti-loosening line, and preprocessing the image to obtain a target image; line integrity judgment: extracting a bolt, a bolt marking line and an anti-loosening line through an analysis model to form a target area graph, and judging whether the anti-loosening line is complete or not according to line segment continuity and form; performing line deformation depth analysis, and synchronously obtaining the position of an anti-loosening line intersection point and deformation data through the model in combination with the loosening angle of the bolt marking line when the line deformation is complete; performing line deformation safety judgment, setting a safety threshold group based on historical data, and comparing deformation data to output a signal; after line deformation abnormity judgment and comparison signal receiving, actual data are compared with theoretical data output by the mechanical model, and abnormal or normal signals are output. The anti-loose line full-dimension high-precision detection is achieved, automation and real-time performance are improved, and train operation safety is guaranteed.

The invention provides a tumor electric field treatment system, an electrode slice temperature detection method and an electrode slice anomaly detection method, the system comprises an electrode slice and an adapter provided with a first controller, the electrode slice comprises a plurality of electrode units and a plurality of temperature detection units, the plurality of temperature detection units are divided into a plurality of row groups and a plurality of column groups, and the first controller is connected with the adapter. The grounding ends of the temperature detection units in each row group are jointly connected to the same grounding wire, and the signal ends of the temperature detection units in each column group are connected to the same dual-purpose signal wire after being in short circuit with the corresponding electrode units; when the dual-purpose signal line is connected to the temperature sampling point, the grounding wires are sequentially conducted, so that temperature detection signals detected by the temperature detection units are sampled based on the temperature sampling point; when the dual-purpose signal line is connected to the alternating power line, alternating electric signals are transmitted to the electrode units. Therefore, the temperature of the electrode plate can be detected by using fewer conductive traces, and whether the electrode plate is abnormal or not can be judged through temperature detection.

The invention provides a tumor electric field treatment system, an electrode slice temperature detection method and an electrode slice anomaly detection method, the system comprises an alternating current signal generator, an electrode slice and a controller, the electrode slice comprises a plurality of electrode units and a plurality of temperature detection units, the plurality of temperature detection units are divided into a plurality of row groups and a plurality of column groups, and the plurality of electrode units are connected with the controller. The grounding ends of the temperature detection units in each row group are jointly connected to the same grounding wire, and the signal ends of the temperature detection units in each column group are connected to the same dual-purpose signal wire after being in short circuit with the corresponding electrode units; when the dual-purpose signal line is connected to the temperature sampling point, the grounding wires are sequentially conducted, so that temperature detection signals detected by the temperature detection units are sampled based on the temperature sampling point; when the dual-purpose signal line is connected to the alternating power line, alternating electric signals are transmitted to the electrode units. Therefore, the temperature of the electrode plate can be detected by using fewer conductive traces, and whether the electrode plate is abnormal or not can be judged through temperature detection.

A display substrate is provided. The display substrate includes a display substrate, comprising one or more scan circuits and one or more electrostatic discharge protection circuits in a peripheral area. An electrostatic discharge protection circuit is configured to provide a start signal to a scan unit of a scan circuit. The display substrate comprises a plurality of islands and a plurality of bridges connecting the plurality of islands in the peripheral area; a respective island of the plurality of islands comprises at least one scan unit of the scan circuit; and one or more signal lines connecting the electrostatic discharge protection circuit and the scan unit is at least partially in an individual bridge connecting the electrostatic discharge protection circuit and the scan unit.

An in-vehicle system includes: a first in-vehicle device installed in a vehicle; a second in-vehicle device controlled in accordance with a signal output from the first in-vehicle device; a first in-vehicle ECU communicably connected to the first in-vehicle device and the second in-vehicle device by signal lines; and a second in-vehicle ECU communicably connected to the first in-vehicle device and the second in-vehicle device by the signal lines. The first in-vehicle ECU and the second in-vehicle ECU are connected by a communication line of a type different from a type of the signal lines, and a communication path from the first in-vehicle device to the second in-vehicle device includes a first path relayed by the first in-vehicle ECU and a second path relayed by the second in-vehicle ECU.

The invention provides a tumor electric field treatment system, an electrode slice temperature detection method and an electrode slice anomaly detection method, the system comprises an electrode slice and an adapter provided with a first controller, the electrode slice comprises a plurality of electrode units and a plurality of temperature detection units, the plurality of temperature detection units are divided into a plurality of row groups and a plurality of column groups, and the first controller is connected with the adapter. The grounding ends of the temperature detection units in each row group are jointly connected to the same grounding wire, and the signal ends of the temperature detection units in each column group are connected to the same dual-purpose signal wire after being in short circuit with the corresponding electrode units; when the dual-purpose signal line is connected to the temperature sampling point, the grounding wires are sequentially conducted, so that temperature detection signals detected by the temperature detection units are sampled based on the temperature sampling point; when the dual-purpose signal line is connected to the alternating power line, alternating electric signals are transmitted to the electrode units. Therefore, the temperature of the electrode plate can be detected by using fewer conductive traces, and whether the electrode plate is abnormal or not can be judged through temperature detection.

A display substrate is provided, the display substrate has a display region and includes a base substrate, sub-pixels, data lines, and first signal lines; each of at least part of the sub-pixels includes a pixel driving circuit and a light-emitting device; the data lines are in a first metal layer, the first signal lines are in a second metal layer; in a first display region, a plurality of first signal lines extend in a first direction, the first display region includes first compensation patterns, the first electrode is on a side of the first signal lines and the first compensation patterns away from the base substrate, an orthographic projection of at least one first compensation pattern on the base substrate at least partially overlaps with an orthographic projection of the first electrode of a light-emitting device of at least one sub-pixel on the base substrate.

The invention discloses a display panel and a display device, the display panel comprises an array substrate, the array substrate comprises a substrate, a first conductive layer, an insulating layer and a second conductive layer, the first conductive layer comprises a first signal line and a second signal line which extend along a first direction, the second conductive layer comprises a third signal line and a fourth signal line which extend in the second direction, and the third signal line and the fourth signal line transmit the same signal; in the direction perpendicular to the substrate, the first signal line and the third signal line have a first overlapping area and are electrically connected in the first overlapping area, the second signal line and the fourth signal line have a fourth overlapping area and are electrically connected in the fourth overlapping area, and the first signal line and the fourth signal line have a second overlapping area and are insulated. The second signal line and the third signal line have a third overlapping area and are insulated. The orthographic projection of the second overlapping area and the orthographic projection of the third overlapping area on the substrate are at least partially located in the orthographic projection of the pixel opening on the substrate. The display panel provided by the invention can improve the color cast of the display panel.

The embodiment of the invention discloses a 4K splicing processor and a 4K splicing display system. The 4K splicing processor comprises a driving circuit used for processing a 4K resolution signal, the driving circuit comprises an FPGA chip U5, TVS array chips U10, U11, U12 and U13 and DP signal line connectors CN9 and CN10; the model of the U5 is Spartan-6, the models of the U10, the U11, the U12 and the U13 are all RClamp0524P, the CN9 is connected with the U5 through the U10 and the U11, and the CN10 is connected with the U5 through the U12 and the U13; the U5 receives the input 4K resolution signal through the CN9 to process the 4K resolution signal and outputs the processed 4K resolution signal through the CN10 to achieve 4K resolution signal looping. According to the 4K splicing processor and the 4K splicing display system, the problem that 4K splicing display system equipment is complex is solved.

The invention provides an adapter and a tumor electric field treatment system, an electrode plate comprises a plurality of electrode units and a plurality of temperature detection units, the plurality of temperature detection units are divided into a plurality of row groups and a plurality of column groups, and the grounding ends of the temperature detection units in each row group are connected to the same grounding wire. The signal end of each temperature detection unit in each column group is in short circuit with the corresponding electrode unit and then is connected to the same dual-purpose signal line; a bidirectional change-over switch of the adapter is configured to switch a dual-purpose signal line to be connected to a temperature sampling point or an alternating power line, and when the dual-purpose signal line is connected to the temperature sampling point, each grounding line is conducted in sequence so that a temperature detection signal detected by each temperature detection unit is sampled based on the temperature sampling point; and when the dual-purpose signal line is communicated with the alternating power line, an alternating current signal is transmitted to each electrode unit through the dual-purpose signal line, so that partition control and comprehensive temperature detection of the electrode plate are realized.

The invention provides an electrode plate and a tumor electric field treatment system, the electrode plate comprises a plurality of electrode units and a plurality of temperature detection units, the plurality of temperature detection units are divided into a plurality of row groups and a plurality of column groups, and the grounding ends of the temperature detection units in each row group are connected to a grounding pin through a control switch. The signal end of each temperature detection unit in each column group is connected to a bidirectional change-over switch through a dual-purpose signal line after being respectively in short circuit with the corresponding electrode unit; when the dual-purpose signal lines are connected to the temperature sampling points, temperature detection signals detected by the corresponding temperature detection units in the corresponding column groups are respectively sampled based on the temperature sampling points by configuring the on-off states of the control switches; when the dual-purpose signal lines are connected to the alternating power lines, alternating electric signals are applied to the electrode units in the corresponding column groups based on the alternating power lines. In this way, a plurality of electrode units can be zoned and controlled using fewer conductive traces.

The present disclosure relates to an X-RAY detector including a base substrate and a plurality of detection units arranged on the base substrate. Each detection unit includes a light conversion element and a switching transistor, the light conversion element is configured to convert an optical signal into an electrical signal, and the switching transistor is configured to output the electrical signal to a reading signal line. Each detection unit further includes a radiation shielding structure located at a light-entering side of the detection unit, and an orthogonal projection of the radiation shielding structure onto the base substrate fully covers an orthogonal projection of the switching transistor onto the base substrate. The present disclosure further relates to a method for forming the X-RAY detector.

A display substrate and a display apparatus are provided. The display substrate includes: a display region and a non-display region, the non-display region including a fan-out region and a bending region; a plurality of sub-pixels located in the display region; a plurality of first data signal lines located in the display region and electrically connected with the plurality of sub-pixels; a plurality of fan-out wires located in the fan-out region; a plurality of second data signal lines located in the bending region; and a plurality of transfer lines located in the fan-out region and between the plurality of fan-out wires and the plurality of second data signal lines, wherein a ratio of a width of at least part of the plurality of transfer lines to a width of the plurality of fan-out wires is 0.5 to 5.5.

A scan signal driver includes: stages to sequentially output scan signals in an active period, and to selectively output sensing signals in a vertical blank period. At least one of the stages includes: a sensing control circuit to supply a gate-on voltage to a sensing control node in response to a holding control signal during the active period, and to output the gate-on voltage of the sensing control node in response to a selectively input line select signal during the vertical blank period; an output node control circuit to supply the gate-on voltage to a pull-up node when the gate-on voltage of the sensing control node is output during the vertical blank period; and an output circuit to output a scan clock signal as a sensing signal to one of scan signal lines when the gate-on voltage is supplied to the pull-up node during the vertical blank period.

The invention discloses a broken line repairing circuit and method, a display panel and display equipment, and relates to the technical field of display, and the circuit comprises a gate line array, a gate driving module, a broken line detection module and a compensation module, when the gate driving modules arranged on the left side and the right side of the gate line array respectively output gate signals to the gate signal lines in the corresponding rows line by line according to a preset row scanning sequence; the method comprises the following steps: monitoring an input current signal of each gate signal line when a gate driving module outputs a gate signal line by line through a disconnection detection module, and generating a disconnection data signal comprising a rising edge detection current and a disconnection gate line according to the input current signal; through a compensation module, a broken line data signal sent by a broken line detection module is received, a gate compensation digital signal is generated according to a rising edge detection current, and a broken gate line is repaired according to the gate compensation digital signal, so that the broken gate signal line is repaired to improve the product yield of a display panel.

According to an aspect, a detection device includes: a first detection circuit including a first photodiode sensitive to first light and a second photodiode sensitive to second light; and a second detection circuit including a third photodiode sensitive to third light. The first photodiode and the second photodiode are coupled in series and in opposite directions to form a first detection element. One end side of the first detection element is coupled to a first signal line via a first transistor. Another end side of the first detection element is configured to be supplied with a first drive signal. A cathode of the third photodiode is coupled to a second signal line via a second transistor. An anode of the third photodiode is configured to be supplied with a second drive signal.

Disclosed are a display panel and a display device. The display panel includes an active area and a non-active area arranged in a first direction; where the active area includes a plurality of first signal lines extending in the first direction and arranged in a second direction, the first direction intersecting the second direction; the non-active area also includes a plurality of fan-out lines electrically connected to the plurality of first signal lines, respectively; a bending area is provided with a plurality of avoidance areas, and the fan-out lines avoid the avoidance areas; in two fan-out lines adjacent to the avoidance area in the second direction and on different sides of the avoidance area, a section of one fan-out line in a first fan-out area includes a first extension segment and a second extension segment connected to the first extension segment.

The invention provides a circuit board line crosstalk checking method. The method comprises the following steps of: acquiring an electronic circuit diagram file by using a processor; selecting a target power line segment and a target signal line segment from the plurality of lines; executing a crosstalk check process including: determining whether the target power line segment and the target signal line segment intersect according to the coordinate information of the target power line segment and the target signal line segment; according to the coordinate information, whether the distance between the target power line segment and the target signal line segment is smaller than a first preset interval is judged; when the distance is smaller than a second preset distance, judging whether the target power line segment and the target signal line segment are in a parallel state or not; and marking at least one of the target power line segment and the target signal line segment as a crosstalk line segment when a result of any one of the plurality of judgments is true. According to the technical scheme provided by the invention, the problem that a power line possibly generates crosstalk on a signal line can be eliminated, and meanwhile, the inspection efficiency is improved and omissions are reduced.

A display substrate, a method of forming a display substrate and a display device are provided. The display substrate includes a substrate and a plurality of sub-pixels arranged in an array on the substrate; The sub-pixel includes a data line pattern extending in a first direction; an initialization signal line pattern including a portion extending in a second direction, the second direction intersecting the first direction, the initialization signal line pattern configured to transmit an initialization signal having a fixed potential; a sub-pixel driving circuit including a driving transistor, a first transistor coupled to a gate of the driving transistor, and a first shielding member coupled to an initialization signal line pattern, an orthographic projection of the first shielding member on a substrate, between the orthographic projection of the first transistor on the substrate and the orthographic projection of the target data line pattern on the substrate; a target data line pattern is included in the next sub-pixel adjacent to the sub-pixel in the second direction.

A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sensing signal lines. The base substrate includes a display region including repeating units arranged in array, each repeating unit includes a transparent region and a pixel region arranged in a first direction. Two lines of repeating units are provided between adjacent two of the plurality of sensing signal lines, the two lines of repeating units extend along a second direction, and each of the plurality of sensing signal lines is connected with sub-pixel driving circuits of the plurality of sub-pixels of two lines of repeating units which are adjacent to the each of the plurality of sensing signal lines and extend along the second direction, and is configured to provide a reference voltage signal. The display substrate reduces the space occupied by the signal lines and improves the light transmittance.

An array substrate includes a display area and a notch area. The display area includes a first display sub-area and a second display sub-area spaced apart from each other by the notch area. The notch area includes an electrostatic discharge area. The array substrate includes a plurality of data lines and a plurality of scan signal lines. The plurality of data lines at least partially extend into the electrostatic discharge area. The plurality of scan signal lines cross over the electrostatic discharge area. At least a portion of the electrostatic discharge area includes a plurality of first sub-regions and a plurality of second sub-regions alternately arranged. The plurality of scan signal lines are present in the plurality of first sub-regions, and absent in the plurality of second sub-regions. The plurality of data lines are present in the plurality of second sub-regions, and absent in the plurality of first sub-regions.

An image sensor includes a plurality of pixel circuits for event detection, wherein each pixel circuit includes at least one output transistor and at least one selection transistor electrically connected in series between at least one pixel output and a first supply potential. A column signal line electrically connects the pixel outputs of the plurality of pixel circuits. A comparator / latch circuit is configured to receive a signal derived from a pixel event signal transmitted on the column signal line at a first comparator input, and to output a latched active column event signal, when the signal at the first comparator input exceeds or falls below a threshold voltage applied to a second comparator input of the comparator / latch circuit.

The invention discloses a high-speed serial signal linear equalization circuit which comprises an input terminal, a continuous time linear equalizer (CTLE), a super source follower, a variable gain amplifier (VGA) and an adaptive feedback. The input end is connected with a 100-ohm internal resistance differential signal source of the transmitting end through a channel; the equalization circuit CTLE is connected to the output end of the input end connection module, two groups of resistance switches (RsMF and RsHF) of the CTLE module are respectively controlled by 4-bit binary codes to enable source degeneration resistors Rs of two stages of CTLEs to be variable, two groups of capacitance switches (CsMF and CsHF) are respectively controlled by 2-bit binary codes to enable source degeneration capacitors Cs of the two stages of CTLEs to be variable, and the two groups of capacitance switches (CsMF and CsHF) are respectively controlled by 2-bit binary codes to enable source degeneration capacitors Cs of the two stages of CTLEs to be variable. The change of a zero pole of the circuit is realized through the change of the source degeneration resistor Rs and the source degeneration capacitor Cs, and the adjustability of the difference between the high-frequency gain and the low-frequency gain of the circuit is realized, so that the multi-gear adjustability of the equalization capability is realized.

Provided are a light-emitting module and a display device. The light-emitting module comprises a light-emitting substrate (100), a conductive connection portion (70), and a ground signal providing structure (80); the light-emitting substrate (100) comprises a light-emitting area (110) and a frame area (120) located on at least one side of the light-emitting area (110); the light-emitting substrate (100) comprises a base (10) and a plurality of signal lines located on one side of the substrate (10), the plurality of signal lines including a first signal line (50) and a plurality of second signal lines (GNDL); the first signal line (50) is located in the frame area (120), the plurality of second signal lines (GNDL) extend to the light-emitting area (110), and at least some of the second signal lines (GNDL) are connected to the first signal line (50); and two ends of the conductive connection portion (70) are electrically connected to the first signal line (50) and the ground signal providing structure (80), respectively.

The invention discloses a conveying platform with an automatic bending function, and relates to the technical field of machining, the conveying platform comprises a conveying belt, a controller and a workpiece processing assembly, the workpiece processing assembly is connected with the controller through a signal line, the controller is installed on the lower side of the outer wall of the conveying belt, and the workpiece processing assembly is installed on the upper side of the outer wall of the conveying belt. The workpiece processing assembly comprises a visual sensor, a push plate, a push rod, a rotating shaft, a cleaning module and a processing motor, the visual sensor, the rotating shaft and the processing motor are connected with the controller through signal lines, and the push plate is connected with the processing motor through the rotating shaft and the push rod. By installing the workpiece processing assembly, the function of processing a workpiece before bending is achieved, the problems that the bending precision is lowered, a mold is damaged and the product quality is lowered are solved, damage to the mold in the workpiece machining process can be reduced, the bending precision and the product quality are improved, and the service life of the workpiece and the service life of the mold are prolonged.

The embodiment of the utility model provides a control device. The control device comprises two interfaces and a processing module. The two interfaces are respectively used for being connected to two signal lines of a controller area network (CAN) bus; and the two interfaces are used for forming a CAN communication channel between the processing module and the CAN bus. The control device further comprises a circuit for connecting the two interfaces; wherein an impedance and a switch connected in series with the impedance are arranged in the circuit. The processing module is used for controlling the switch connected in series with the impedance in the circuit to be closed when the control device is configured as a terminal node of the CAN bus; or when the control device is configured to be a non-terminal node of the CAN bus, the switch, connected with the impedance in series, in the circuit is controlled to be switched off. The embodiment of the utility model can be applied to intelligent automobiles or new energy automobiles, flexible configuration of the control device on the CAN bus can be realized under the condition that the hardware structure of the control device does not need to be adjusted for different automobile types, the cost can be reduced, and the management difficulty can be reduced.

An apparatus includes a plurality of pixels, a plurality of signal lines, and first connection wiring. Each of the plurality of pixels includes a photoelectric conversion unit and a selection unit. The plurality of signal lines includes a first group including a first signal line connected to a first pixel, a second group including a second signal line connected to a second pixel, and a second group including a third signal line connected to a third pixel. First shield wiring to which a fixed potential is supplied is located between the first group and the second group including the third signal line. The first connection wiring overlaps the first group and not the second group including the second signal line in a plan view.