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43results about How to "Implement display control" patented technology
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Display substrate, preparation method and display device
PendingCN107491221AImprove the display effectIncrease operating spaceStatic indicating devicesSolid-state devicesDisplay deviceComputer engineering
The invention discloses a display substrate, a preparation method and a display device. The display substrate comprises a display zone, an edge zone and a bent portion between the display zone and the edge zone, wherein the edge zone is located on one side of the display zone by bending the bent portion and is provided with a row driving circuit. Therefore, the display device composed of the display substrate has a narrow-edge frame and accordingly has a better display effect and a larger operating space.
Owner:BOE TECH GRP CO LTD +1
Pixel driving circuit, active electroluminescent display and driving method
ActiveCN112927651AExcellent circuit effectImplement display controlStatic indicating devicesDriver circuitDriving current
The invention discloses a pixel driving circuit, an active electroluminescent display and a driving method. The pixel driving circuit comprises a light-emitting element; a current source including a driving transistor connected to the light-emitting element and providing driving currents having different amplitudes to the light-emitting element according to a voltage applied to a gate terminal of the driving transistor; a current control circuit connected with the current source and used for providing voltages with different levels for the gate terminal of the driving transistor; a PWM generation circuit used for generating a PWM pulse signal for controlling the on time of the light-emitting element; a shaping circuit used for shaping the PWM pulse signal; and a PWM control circuit used for obtaining the duration for controlling the driving current of the light-emitting element according to the shaped PWM pulse signal and the output voltage of the current control circuit. According to the invention, a ramp signal is input after the scanning control signal of each row is input, so that a relatively large PWM pulse width can be realized.
Owner:SOUTH CHINA UNIV OF TECH
Web menu control system and method for embedded device
ActiveCN106254451AImplement display controlSave memory resourcesTransmissionSpecific program execution arrangementsClient-sideWeb server
The invention relates to a web control technology for an embedded device and discloses a web menu control system and method for the embedded device. Menu display control of embedded user authority is supported, and memory resources of the embedded device are saved. The method comprises the steps that a, a web client sends an access request to a web server after receiving the access request of a login user; b, the web server returns a main page to the web client after verifying user login information successfully; c, the web client sends an http request for obtaining the authority serial number of the authority owned by the current login user to the web server; d, the web processor processes the http request, queries the authority serial number owned by the current login user and feeds back the authority serial number to the web client; and e, the web client calls a pre-established interface function authority menu configuration file to obtain target menu data according to the obtained authority serial number owned by the login user, generates a corresponding display menu, reloads the display menu to the main page and displays the display menu to the user. The method and the system are applicable to the menu display control of the user authority of the embedded device.
Owner:MAIPU COMM TECH CO LTD
Advertising display control method and apparatus
InactiveCN103703484AImplement display controlMultiprogramming arrangementsAdvertisingWorld Wide WebObject control
The present invention provides an advertising display control method and apparatus, which relates to the technical field of information, and is applied to a pushed advertisement for display and control. The method comprises: the application during staring is a SDK registered callback object which provides the advertisement SDK after receiving the advertisement is called to judge whether to display advertisement; the advertisement SDK receives an advertising display request sent by an advertising server, and the advertising display request includes the pushed advertisement; the advertisement SDK calls the callback object which judges whether the application actual operation condition meets the improper condition of display advertisement, and the content of the callback object includes judging whether the application actual operation condition meets the improper condition of display advertisement; and the advertisement SDK based on the judgment result of the callback object controls the pushed advertisement whether to display. The present invention is mainly applied to the advertisement for display control.
Owner:HUAWEI TECH CO LTD
Digital oscilloscope with high waveform refresh rate
ActiveCN103884891AIncreased waveform refresh rateImplement trajectory strength calculationDigital variable displayUser inputData treatment
The invention discloses a digital oscilloscope with a high waveform refresh rate. The digital oscilloscope with a high waveform refresh rate comprises a digital processing module; the digital processing module comprises an acquisition processor, a waveform processor, and a main controller; the acquisition processor is used for calculating a digital sampling signal outputted by an analog-to-digital converter into trajectory strength information and sending the trajectory strength information in a parallel manner to the waveform processor; the waveform processor is used for calculating a plurality of digital sampling signals with trajectory strength information into display waveform data with accumulated strength information and sending the display waveform data to the main controller; and the main controller is used for receiving a user input condition sent by a user input module via a CPU processor to control the acquisition processor and the waveform processor and processing the display waveform data into waveform display signals for being displayed by a display module. According to the digital oscilloscope with a high waveform refresh rate, the problem that the waveform refresh rate of the existing oscilloscope can not be further improved can be solved, and the waveform refresh rate of the oscilloscope is greatly improved.
Owner:RIGOL
Mobile terminal and display control method thereof
The embodiment of the invention provides a mobile terminal which comprises a main body and a cover body; the cover body is foldably connected with a pivot of the main body; a first display screen and a second display screen are arranged on the cover body; the first display screen is located at one side of the cover body, which is close to the main body; the second display screen is located at the other side of the cover body, which is opposite to the first display screen; the mobile terminal further comprises a location judging unit used to detect the location status of the cover body, and a display control unit used to control the display modes of the first display screen and the second display screen according to the location of the cover body; and the display control unit is connected with the location judging unit. The embodiment of the invention provides a display control method for the mobile terminal. Through the mobile terminal and the display control method thereof, display control to double display screens of the mobile terminal can be realized better, and a user can define the displayed information of the internal display screen and the external display screen by himself / herself.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
Display panel and display control method thereof
ActiveCN103913912AEasy to implementImplement display controlStatic indicating devicesNon-linear opticsLength waveElectric field
The invention discloses a display panel and a display control method thereof. The display panel comprises a backlight source, a first substrate and a second substrate arranged oppositely, a cholesteric liquid crystal positioned between the first substrate and the second substrate, and a first ECB (electronically controlled birefringence) liquid crystal box positioned between the cholesteric liquid crystal and the backlight source. The backlight source emits incident light with wavelength equal to pitch of the cholesteric liquid crystal, and the incident light is incident on the cholesteric liquid crystal via the first ECB liquid crystal box. Liquid crystal molecules in the first ECB liquid crystal box are in two arrangement mode under the action of an electric field, one arrangement mode enables the incident light to have polarity identical to that of the cholesteric liquid crystal after passing the first ECB liquid crystal box, and the other arrangement mode enables the incident light to have polarity opposite to that of the cholesteric liquid crystal after passing the first ECB liquid crystal box. By the display panel and the display control method thereof, display control of the display panel can be realized without high driving voltage, and implementation is simple.
Owner:BOE TECH GRP CO LTD
Method for controlling peripheral component interface express (PCIE) hard disk status lamp and system
ActiveCN105512007ATimely judgment of usage statusAccurate displayHardware monitoringVisible signalling systemsProgrammable logic controllerComplex programmable logic device
The invention provides a method for controlling a peripheral component interface express (PCIE) hard disk status lamp and a system, which comprises steps: the current work mode of a PCIE hard disk is judged, a central processing unit (CPU) sends current work mode information to a south bridge chip, the south bridge chip sends the current work mode information to a complex programmable logic controller, and the complex programmable logic controller controls a status lamp corresponding to the current work mode to display according to the current work mode information. The method for controlling the PCIE hard disk status lamp and the system control complex programmable logic device (CPLD) through the south bridge chip, and further achieves to control display of the status lamp corresponding to return and positioning operation of the PCIE hard disk. The method for controlling the PCIE hard disk status lamp and the system can judge the use state of the PCIE hard disk in time, and guarantees the status lamp to be accurately displayed by hamming and verifying the current work mode information.
Owner:INVENTEC PUDONG TECH CORPOARTION +1
Electronic equipment running method and device
ActiveCN104881234AImplement display controlImprove interactivityInput/output processes for data processingElectric equipmentComputer science
The invention discloses an electronic equipment running method and device. The electronic equipment running method includes that controlling to display a prompt mark which represents the running state of an application program or electronic equipment in a first display region after lightening the first display region of the electronic equipment, and confirming and executing the display operation of a second display region of the electronic equipment based on a trigger signal when the trigger signal for the prompt mark of the first display region is acquired. By means of the electronic equipment running method, the display control for a main display interface is realized through operating the display region which displays the prompt information or mark information, and the interaction between different display regions of the electronic equipment with different independent display regions and the applicability are improved.
System communication scheduling algorithm based on Canbus
ActiveCN103825781ATo achieve effective detectionImplement display controlBus networksElectricityRandom delay
The invention relates to the field of system communication scheduling algorithms, in particular to a system communication scheduling algorithm based on a Canbus. According to the specific scheme, the system communication scheduling algorithm is achieved through the following steps of firstly, sending address statements to a monitoring box when sub-devices are powered on, and sending address statement request commands to the sub-devices when the monitoring box is powered on; secondly, when receiving the address statement commands sent by the monitoring box, enabling the powered-on sub-devices to start the address statements which need to be responded to after random delay is conducted. By means of the steps, the system communication scheduling algorithm solves the address automatic distribution problem and the address conflict problem between the sub-devices and solves the problem that the operation control and the running state monitoring of all node devices can not be monitored in time; the Canbus can report device alarms in time when the number of online communication nodes is large, protection control can be conducted according to the alarms, the online state and the connection losing state of online devices can be effectively detected through the Canbus, and device display control over multiple nodes can be achieved through the Canbus.
Owner:APM TECH DONGGUAN
Array substrate, display unit and control method thereof
ActiveCN103149762AImplement display controlReduce border widthStatic indicating devicesNon-linear opticsLiquid-crystal displayEngineering
The embodiment of the invention discloses an array substrate, a display unit and a control method thereof, belongs to the display technical field, and solves the technical problems that the H-line of a conventional narrow-frame liquid crystal display of a conventional grid drive circuit is poor, and the displaying effect is influenced. The array substrate comprises grid line groups and main grid lines, wherein, the number of the grid line groups is n, and the number of the main grid lines is n plus 1; each grid line group comprises a first grid line and a second grid line which are adjacent, a first transistor T1 is provided correspondingly to each first grid line, and a second transistor T2 and a switch element T3 are provided correspondingly to each second grid line; each first grid line and each second grid line in the grid line group i are connected with the main grid line i; a gate electrode of the T1 is connected with the first grid line, a source electrode is connected with a data cable, and a drain electrode is connected with a pixel electrode; the gate electrode of the T2 is connected with the T3 in a pixel unit, the source electrode is connected with the data cable, and the drain electrode is connected with the pixel electrode; in addition, one end of the T3 is connected with the main grid line i plus 1 and is used for controlling the switching-on and switching-off of the T2. The array substrate, the display unit and the control method thereof can be applied in the liquid crystal display.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD
Signal machine display method for TACS system
ActiveCN113044084AImplement display controlDisplay logic is simple and straightforwardRailway traffic control systemsElectric vehicle charging technologyComputer hardwareControl signal
The invention relates to an annunciator display method for a TACS system, which realizes display control of a trackside annunciator by processing line resource allocation, and the display method is a normal lighting display method or a normal lighting-off display method. Compared with the prior art, the method has the advantages that the mode of controlling display of the signal machine according to the route information is eliminated, the display logic of the signal machine is simpler and more direct, and the operation efficiency is improved.
Owner:CASCO SIGNAL
One-station-control double-machine display control method for unmanned aerial vehicle
ActiveCN112214030ARich display and control informationIntuitive display and control informationAlarmsTotal factory controlInformation controlCommand and control
The invention belongs to the field of unmanned aerial vehicle command and control, and particularly relates to a one-station-control double-machine display control method for an unmanned aerial vehicle. Two groups of flight monitoring seats and two groups of task monitoring seats are arranged. One group of flight monitoring seats and one group of task monitoring seats form a unit, and complete full-task command and control of one unmanned aerial vehicle respectively; and the two units cooperate together to complete full-task command and control of the two unmanned aerial vehicles. Each monitoring seat displays the dual-aircraft situation, the head-up display center area displays the parameters and images of the main control aircraft, the edge area displays the selected flight parameters ofthe other monitored aircraft, and the control instruction is only effective to the main control aircraft and supports the display and control of one station and two aircrafts. The situation information of the two aircrafts is presented differently; the parameters are matched with the visual scene, so that richer and more visual display and control information is provided for an operator; correctness and reliability of uplink remote control are ensured through cooperation of the control right and the machine number, and the display control of one-station-control double-machine is realized.
Owner:CHENGDU AIRCRAFT DESIGN INST OF AVIATION IND CORP OF CHINA
Parallel structure and preparation of flexible TFT drive bottom-emitting OLED/PLED (organic/polymer light-emitting diode)
InactiveCN105702706AEasy to achieve comprehensive display controlImplement display controlSolid-state devicesSemiconductor devicesFlexible organic light-emitting diodeDriver circuit
The invention discloses a parallel designing structure and preparation of a flexible transistor (TFT) drive bottom-emitting flexible organic light emitting diode (OLED) / polymer light emitting diode (PLED) display. A pixel driving circuit comprises a flexible transparent electrode, a flexible driving transistor and a flexible organic light-emitting diode. A grid electrode of the transistor is connected with a control wire, a drain electrode is connected with the OLED / PLED electrode, and a source electrode is grounded or connected with other elements; the OLED / PLED and the TFT are arranged in parallel, and can be separately / simultaneously prepared through a solution method, the production process and the cost are simplified; furthermore, the flexible OLED / PLED pixel is the bottom-emitting structure, compared with a top-emitting device, the process is simpler, more efficient and the production cost is effectively reduced.
Owner:方圆环球光电技术盐城有限公司
Application method of combined material in hand-painted animation
PendingCN111951358AReduce creative costsImprove the quality of creationVisual/graphical programmingAnimationEngineeringComputer graphics (images)
The invention belongs to the field of hand-painted animations, and provides an application method of a combined material in a hand-painted animation. The method comprises the following steps: storinga combined material configuration file which comprises a material animation and a combined form, the material animation comprising form display information and animation information, reading the formdisplay information to display static pictures, reading animation information for displaying the static pictures in an animation mode, and combining the form display information and the animation information according to the combination form so as to complete material combination. The technical effects of reducing user creation cost and improving user work creation quality are achieved.
Owner:SHENZHEN QIANHAI HAND-PAINTED TECH & CULTURE CO LTD
Display substrate, display panel, display control method thereof and display device
InactiveCN108333812AImplement display controlStatic indicating devicesSolid-state devicesPhotoresistorDisplay device
The application discloses a display substrate, a display panel, a display control method thereof and a display device. A black matrix region is formed on the display substrate, and a photoresistor string is disposed in the black matrix region. The application can realize remote non-touch display control of the display panel.
Owner:BOE TECH GRP CO LTD +1
Monitor system and display control method thereof
ActiveCN111464783AImplement display controlLow costTelevision system detailsColor television detailsInformation transmissionDisplay device
The invention discloses a monitor system and a display control method thereof, and the monitor system comprises a control module which is used for transmitting human-computer interaction interface information and background picture information to a processing module through the same channel; a processing module used for receiving the video image information, processing the video image information,the human-computer interaction interface information and the background picture information and outputting target image information to the display; and a display used for displaying the target imageinformation. According to the system, background picture information is stored in a control module; through information transmission and processing between the control module and the processing module, the target image information can be displayed on the displayer, display control over the monitor system is achieved, it is not needed to additionally arrange an external device to store background image information any more, and the problems that in the prior art, cost is high, structural design is difficult, and control accuracy is low are solved.
Owner:BOE TECH GRP CO LTD
Visual cloud computing desktop terminal
InactiveCN107870659AZero noiseZero radiationDigital processing power distributionExecution for user interfacesOperational costsSystem maintenance
The invention relates to a visual cloud computing desktop terminal, which is a visual cloud terminal. The terminal is composed of an integral shell, a liquid crystal display screen, a mainboard, a cloud computing desktop terminal PCBA, a power jack and a power voltage transformation diverter; in a cloud server environment, the desktop system operation experience more superior than that of a conventional PC can be realized; the conventional computer is replaced; space resources are released; the utilization rate of hardware resources is increased; the office environment experience is improved;energy conservation and emission reduction are achieved; green office is proposed; actual data processing is performed in a cloud processor; a local visual cloud computing desktop terminal only needsto bear data transmission and display work; compared with a conventional office mode, excessive hardware input of a local end is avoided, and the office operation cost and the hardware upgrading pressure are reduced; and in addition, the structure is relatively simple and the fault rate is low, so that the later maintenance cost is reduced, the configuration is simplified, the data security is improved, resource centralized management is facilitated, and system maintenance is more convenient.
Owner:HENAN ZHIYE TECH DEV
Mind map display method and device, storage medium and electronic equipment
ActiveCN110737380AImplement display controlImprove controllabilityTransmission systemsSpecial data processing applicationsComputer hardwareRemote control
The embodiment of the invention discloses a mind map display method and device, a storage medium and electronic equipment, and the method comprises the steps: receiving an expansion instruction transmitted by remote control equipment for a selected target mind map in a mind map display page; obtaining a node expansion state of the target mind map, and obtaining a preset expansion rule, the node expansion state comprising a complete expansion state and a non-complete expansion state; and displaying the target mind map based on the node expansion state according to the expansion rule. By adopting the embodiment of the invention, the remote control equipment remotely controls the unfolding or folding of the mind map on the display interface to realize the display control of the mind map, themethod is convenient and flexible, the controllability is better, the method is suitable for a large-screen teaching scene or a teaching scene leaving a display screen, and the teaching experience canbe improved.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1
Display control method and device based on child lock, computer equipment and storage medium
ActiveCN112831975AAvoid limitationsImplement display controlOther washing machinesControl devices for washing apparatusAutomotive engineeringProcess engineering
The invention relates to a display control method and device based on a child lock, computer equipment and a storage medium. The method comprises the following steps: displaying cleaning parameters of a washing drum in a compound washing machine on a display interface of the compound washing machine, wherein the compound washing machine is a washing machine comprising at least two washing drums; under the condition that the child lock is opened in the compound washing machine, locking a non-child lock key of the display interface of the compound washing machine; under the condition that the plurality of washing drums in the compound washing machine are running, after running of the currently displayed washing drums of the compound washing machine is finished and a preset switching condition is met, switching to display cleaning parameters of one running washing drum in the compound washing machine on the display interface; and at the end of running of the multiple washing drums in the compound washing machine, unlocking the child lock. By adopting the method, the limitation of display control after the child lock of the compound washing machine is opened can be avoided.
Owner:TCL HOME APPLIANCES (HEFEI) CO LTD
Array substrate, display unit and control method thereof
ActiveCN103149762BImplement display controlReduce border widthStatic indicating devicesNon-linear opticsDriver circuitLiquid-crystal display
An array substrate, display device and control method thereof, the array substrate comprising a plurality of gate lines and data lines; the plurality of gate lines intersecting with the plurality of data lines define the pixels being arranged in an array; the plurality of gate lines comprise n number of gate line groups and n+1 number of primary gate lines (G1-Gn+1); each gate line group comprises a first gate line, and an adjacent second gate line, the first gate line being correspondingly provided with a first transistor (T1), and the second gate line being correspondingly provided with a second transistor (T2) and a switch element (T3); the first and second gate lines of an i-th gate line group are both connected to an i-th primary gate line (Gi); the gate electrode of the first transistor is connected to the first gate line, and a source electrode is connected to a corresponding data line (D), and a drain electrode is connected to a pixel electrode; the gate electrode of the second transistor is connected to one end of the switch element (T3) in the pixel unit, the source electrode is connected to the corresponding data line (D), and the drain electrode is connected to the pixel electrode; an (i+1)-th row primary gate line is connected to the other end of the switch element (T3) for controlling the switching on and off of the second transistor.
Owner:BEIJING BOE OPTOELECTRONCIS TECH CO LTD
Multi-display-screen control system, display system and multi-display-screen control method
PendingCN112346679AImplement display controlSimplifyDigital output to display deviceProgrammable logic deviceControl system
The embodiment of the invention provides a multi-display-screen control system, a display system and a multi-display-screen control method. The multi-display screen control system comprises an embedded processor; a programmable logic device which is electrically connected with the embedded processor and is provided with an enable signal output interface and a display content and configuration information output interface; a display screen enable circuit which is electrically connected with the enable signal output interface of the programmable logic device; and display screen connecting portswhich are electrically connected with the display screen enabling circuit and the display content and configuration information output interface of the programmable logic device. According to the embodiment of the invention, the display control of the plurality of display screens can be realized, the control of the plurality of display screens is simplified, the initialization complexity of the plurality of display screens is reduced, and the control efficiency of the plurality of display screens is greatly improved.
Owner:XIAN NOVASTAR TECH
Embedded device web menu control system and method
ActiveCN106254451BImplement display controlSave memory resourcesTransmissionSpecific program execution arrangementsWeb serviceControl system
The invention relates to a web control technology for an embedded device and discloses a web menu control system and method for the embedded device. Menu display control of embedded user authority is supported, and memory resources of the embedded device are saved. The method comprises the steps that a, a web client sends an access request to a web server after receiving the access request of a login user; b, the web server returns a main page to the web client after verifying user login information successfully; c, the web client sends an http request for obtaining the authority serial number of the authority owned by the current login user to the web server; d, the web processor processes the http request, queries the authority serial number owned by the current login user and feeds back the authority serial number to the web client; and e, the web client calls a pre-established interface function authority menu configuration file to obtain target menu data according to the obtained authority serial number owned by the login user, generates a corresponding display menu, reloads the display menu to the main page and displays the display menu to the user. The method and the system are applicable to the menu display control of the user authority of the embedded device.
Owner:MAIPU COMM TECH CO LTD
Display control method and system of LED display screen
ActiveCN113903297AImplement display controlThe display content is delicateStatic indicating devicesLED displayControl signal
The invention discloses a display control method and system for an LED display screen. The method comprises the following steps: receiving video signal data transmitted by an upper computer, and converting the video signal data into video stream data; obtaining a horizontal synchronizing signal and a field synchronizing signal of the video stream data, and coding the video stream data based on the horizontal synchronizing signal and the field synchronizing signal to obtain coded video stream data; a built-in scanning and playing control module decodes the encoded video stream data and caches the decoded video stream data in a corresponding cache region; the scanning and playing control module scans according to the sequence of the decoded video stream data cached to form a screen display control signal; and outputting the screen display control signal to the LED display screen, and controlling the LED display screen to display and play based on the screen display control signal. According to the embodiment of the invention, the display control of the LED display screen is realized, and the display content of the LED display screen is finer.
Owner:深圳大彩视讯技术有限公司
Pixel driving circuit and mobile terminal
InactiveCN113674701AImplement display controlLittle changeStatic indicating devicesScan lineSignal on
The invention provides a pixel driving circuit and a mobile terminal, and the pixel driving circuit comprises a switch module which is used for receiving a data signal on a data line according to a scanning signal on a scanning line, a storage module which is electrically connected with the switch module and is used for being charged by the data signal, and a driving light-emitting module. The driving light-emitting module comprises a driving unit, a light-emitting unit and a voltage dividing unit which are connected in series, is provided with a power supply voltage access port and a grounding port and is used for being driven by a data signal to emit light, and the voltage dividing unit is connected between the driving unit and the grounding port in series. According to the pixel driving circuit provided by the invention, the driving unit drives the light emitting unit to emit light according to the data signal under the condition that the voltage is divided by the voltage dividing unit, so that the change of current in the light emitting unit caused by the change of the data signal received by the driving unit is reduced; and therefore, the pixel driving circuit can realize display control under a high gray scale.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
Monitor system and display control method thereof
ActiveCN111464783BImplement display controlTelevision system detailsCathode-ray tube indicatorsInformation transmissionMedicine
The present application discloses a monitor system and a display control method thereof, wherein the monitor system includes: a control module for sending human-computer interaction interface information and background image information to a processing module through the same channel; a processing module for receiving video image information, and process the video image information, human-computer interaction interface information, and background image information, and output target image information to the display; the display is used to display the target image information. The system stores the background image information in the control module, so that the target image information can be displayed on the display through the information transmission and processing between the control module and the processing module, so as to realize the display control of the monitor system, no longer relying on additional The external device stores the background image information, which avoids the problems of high cost, difficult structure design and low control accuracy existing in the prior art.
Owner:BOE TECH GRP CO LTD
Display control method and device
ActiveCN101901578BImplement display controlSimple planStatic indicating devicesOriginal dataEngineering
The embodiment of the invention provides a display control method. The method comprises the following steps that: a basic clock inputs a counter, and the counter outputs a periodic digital signal; the periodical digital signal output by the counter enters a data gate through a logic combiner and a pulse width modulation PWM signal is output, wherein the duty ratio of the PWM signal is a preset threshold A; the highest updating frequency of the PWM signal is the preset threshold B; and output high pulses are distributed in a pulse width modulation standard period; and the PWM signal drives a light emitting diode LED for display control. According to the scheme provided by the invention, the pulse width modulation signal is generated at a higher frequency on the premise that the original data is not affected, so the display control at high updating frequency is realized. The scheme is realized simply and efficiently by logically combining the output of the counter and gating data.
Owner:SHENZHEN SUNMOON MICROELECTRONICS
Display control circuit and device
PendingCN110767155AImplement display controlLow costStatic indicating devicesEngineeringControl theory
The invention relates to a display control circuit and device. The display control circuit comprises a resistance adjusting assembly and at least two light-emitting units, wherein the first end of theresistance adjusting assembly is connected to an external power supply port; the second end of the resistance adjusting assembly is grounded; each light-emitting unit comprises a switch tube and a light-emitting assembly; the control end of the switch tube is connected with the output end of the resistance adjusting assembly; the first end of the switch tube is grounded; the second end of the switch tube is connected with the negative electrode of the light-emitting assembly, and the positive electrode of the light-emitting assembly is connected into an external power port; the light-emittingunit is used for indicating the working state of the electric appliance; the resistance value of the switch tube connected to the display control circuit is adjusted through the resistance adjustingassembly, so that the voltage is adjusted, and the conduction of the switch tube of the light emitting unit can be controlled; the light emitting assembly is controlled to emit light to indicate the working state of an electric appliance; and the display control device can realize display control through pure hardware without adding an MCU, and the cost can be reduced.
Owner:GREE ELECTRIC APPLIANCES INC
A Canbus-Based System Communication Scheduling Algorithm
ActiveCN103825781BTo achieve effective detectionImplement display controlBus networksElectricityRandom delay
Owner:APM TECH DONGGUAN
Simple controller applicable to human-computer interaction of numerical control machine tools
PendingCN104991524AEasy to storeEasy to debugNumerical controlCommunication unitCommunications system
The invention discloses a simple controller applicable to human-computer interaction of numerical control machine tools. The simple controller is a technologically improved invention in the field of industrial automation control and can be used in all machine tools adopting the numerical control systems of the DMG. The simple controller is mainly composed of a power supply unit, a communication unit, a control unit, and a display unit. Data interaction with all types of PLC systems is realized through six common I / O ports. A three-line serial data bus is defined, and LCD and LED display control is realized. An extendable RS232 serial bus is designed, which facilitates data storage and debugging. Through high-speed optical coupling isolation, the stability of signal reading is ensured. The problem that a controller is hard to generalize and high in cost, and has a complex communication system is solved effectively. The simple controller has very high use value.
Owner:SHANGHAI XINLI MACHINE PLANT
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