68 results about "Digital input" patented technology

This invention relates to the field of integrated circuit I / O interface design technology. It discloses a dual-mode (digital-analog) input / output interface circuit based on low-voltage devices adapting to high-voltage power supplies, aiming to solve the problems of low-voltage process chips being unable to directly adapt to high-voltage power supplies and limited I / O functionality. The interface circuit includes a digital output module, a digital input module, an analog I / O module, and a mode summary and ESD circuit. Through external configuration signals, the circuit can switch between digital input, digital output, analog I / O, and power-down modes. The digital output module incorporates a dual-mode high-voltage adaptation mechanism, utilizing a voltage divider resistor series and a common-gate protection transistor to ensure the safety of low-voltage devices under high voltage. The digital input module employs non-overlapping control to eliminate dynamic power consumption. A full-mode high-impedance isolation design ensures the reliability of mode switching. This invention achieves safe adaptation of standard low-voltage CMOS devices to high-voltage power supplies and integrates dual-mode functionality, offering advantages such as high integration, low power consumption, high reliability, and strong process compatibility.

This invention discloses a gateway domain control system for vehicles, comprising: coordinating and controlling a data storage module, power management module, system monitoring module, data communication module, time synchronization module, temperature detection module, digital input / output module, system safety module, actuator drive module, and ADC acquisition module in a vehicle gateway domain controller based on a SOC module, thereby realizing the control of the vehicle gateway domain; through the close cooperation of each module, the stability, security, flexibility, and intelligence level of the vehicle gateway domain control are improved, adapting to the complex and diverse application needs of modern vehicles.

This application discloses a differential transmitter circuit, chip, and electronic device. The differential transmitter circuit includes: a single-slip differential drive enhancement circuit, including a single-ended digital input terminal (IN) and a first differential output terminal (IN_P, IN_N), used to convert the input single-ended digital signal into a pair of differential signals; a differential drive circuit, connected to the first differential output terminal (IN_P, IN_N), including a second differential output terminal (OUT_P, OUT_N), used to convert the differential signals into differential output voltages; wherein, the single-slip differential drive enhancement circuit includes a transmission gate (Tran) and an inverter, used to generate the differential signals with a phase difference of 180° and timing matching. The embodiments of this application aim to solve the technical problems of slow response speed, poor common-mode stability, high power consumption, and insufficient noise suppression capability in the prior art when transmitter circuits are used in LVDS interface applications.

The application discloses an R-2R digital-analog converter with an auxiliary calibration structure and relates to the technical field of high-precision digital-analog conversion. The converter comprises a main DAC, a calibration quantity calculation module, a compensation code generation module, an auxiliary DAC and an operational amplifier circuit. The main DAC converts a digital input into an analog current. The calibration quantity calculation module generates a 15-bit compensation code containing a 1-bit sign bit and a 14-bit data bit through a 24-bit ADC, a comparator and successive approximation logic, and only calibrates the high 12 bits of the main DAC bit by bit, and the low 4 bits do not need to be calibrated. The compensation code generation module generates a total compensation code through gating by a multiplexer and superposition by an adder. The auxiliary DAC is a 14-bit binary current type structure, and realizes bidirectional compensation in cooperation with a positive and negative reference voltage source. The application has the advantages of short calibration period, small storage consumption, no need for additional bias calibration, excellent linearity, and suitability for application in the fields of wireless communication, biological medicine and the like, and meets the application requirements of high resolution and high precision.

A digital-to-analog converter (DAC) for generating an analog output from a digital input includes a controller configured to generate a control signal based on the digital input, and a segment cell circuit including a plurality of segment cells turned on or off based on the control signal and configured to generate the analog output based on outputs of the plurality of segment cells, wherein the plurality of segment cells include a plurality of first segment cells each configured to generate an output corresponding to each of bits included in a first bit group of the digital input, a plurality of second segment cells each configured to generate an output corresponding to each of bits included in a second bit group of the digital input, and an additional segment cell configured to generate an output corresponding to a lowermost bit among the bits included in the second bit group.

The application provides a synchrotron motion control system with redundant position feedback, comprising: four sets of grating rulers, four sets of servo motors, two sets of inclinometers, installed at each end of the synchrotron; photoelectric limit, electromechanical limit, hard limit, emergency stop button, alarm and indicator light; slave control cabinet, comprising a PLC controller, which is provided with a motion control module and a logic control module; servo driver, connected with the servo motor and the motion control module; position input module, connected with the grating ruler and the motion control module; analog input module, connected with the inclinometer and the logic control module; digital input module, connected with the photoelectric limit, electromechanical limit, emergency stop button and the logic control module; digital output module, connected with the indicator light, alarm and the logic control module. The application also provides corresponding methods. The system has fast response speed, high dynamic performance, high control precision, and redundant position feedback and protection.

This utility model relates to a testing device for PLC debugging, belonging to the field of industrial automation equipment. It includes input elements, output elements, and a power supply. The input elements include a digital input section, an analog input section, and a temperature input section. Both ends of the digital input section are connected to one side of a digital input terminal block, and the other side of the terminal block is connected to the PLC's digital input module. The analog input section connects to the power supply and the analog input terminal block; the other side of the terminal block is connected to the PLC's analog input module. The temperature input section connects to a temperature input terminal block; the other side of the terminal block is connected to the PLC's temperature input module. The output elements include relays, indicator lights, and meters. This utility model device is simple in composition, safe, and reliable. Before testing, the PLC to be debugged is connected to the device in place once, and no changes or verification of the wiring are required during debugging.

The application provides a kind of launch assembly operating state monitoring device, it relates to launch assembly operating state monitoring technical field, including voltage measurement circuit, current measurement circuit, power measurement circuit, operational amplifier circuit, analog-digital conversion circuit, digital input circuit, digital output circuit, communication circuit and processor circuit, each circuit has electrical connection between each other.The application can realize the analog quantity collection of power voltage, power amplifier module working current and radio frequency signal power of launch assembly, power supply undervoltage and overvoltage, overtemperature and the state monitoring of input and output radio frequency signal power, emergency stop, development of receiving gate sleeve signal, gate sleeve output and the control of indication signal, and the communication transceiver with outside, more comprehensively realizes the monitoring and reporting of launch assembly operating state and protection and fault diagnosis function.

1. Name of the product in this design: Graphical user interface for the program operation of a hard film stretching device for electronic equipment. 2. Purpose of this design: A graphical user interface for a hard film stretching device for an electronic device. 3. The key design features of this product are its graphical user interface content. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This product is designed in a conventional way, and the rear view, left view, right view, top view, and bottom view are omitted. 6. Purpose of the graphical user interface: The product's graphical user interface is an interactive interface for quick switching of device control. The main view displays the initial interface for device control. Figure 1 shows the interface changes when "RODBOL" is selected in the main view. The interface changes as shown in Figure 1, with 7 function tabs arranged from left to right at the top. Users can switch between different function tabs by clicking on them. Interface Change State Figure 2 shows the interface changes of the permission management view displayed when selecting the 7th function tab in Interface Change State Figure 1. It displays the selection of device operation permissions and the input and modification of permission passwords. Users can modify the permission password by clicking the white number input box.

This invention discloses an elevator edge computing device, including a communication interface, a control and acquisition interface, and an AI processing unit. The communication interface includes dual Ethernet ports and onboard WiFi and Bluetooth modules. The control and acquisition interface includes a USB interface, a CAN bus, an RS485 or RS232 interface, digital input, and digital output interfaces. The CAN bus interfaces with the elevator control system, and the RS485 and RS232 interfaces interface with various sensors or peripherals. The AI ​​processing unit is equipped with a trained AI model that features adaptive parameter optimization. The elevator edge computing device is installed on the elevator car in a locally deployed manner, enabling data communication and cloud-edge collaboration with a cloud platform. This invention has significant value in processing dense sensor signal data in the elevator car and optimizing local performance and cost.

The application discloses a target channel selection output method and system for frequency division multiplexing superconducting detectors, and belongs to the technical field of digital signal processing and superconducting detector readout electronics. The method aims at the problems of high resolution channelization resource occupation, high full spectrum output bandwidth pressure, and obvious spectrum leakage and crosstalk under high multiplexing ratio. On the basis of high resolution channelization processing, the mapping relationship between target frequency points and channels and the target channel selection output mechanism are introduced. After the wideband digital input signal is processed by the polyphase filter bank channelization, only the complex data corresponding to the target frequency points containing effective signals are selected and output, and are further separated into I / Q data stream output. The scheme combines high resolution channelization processing with the mapping driven selection output mechanism, reduces resource occupation and data transmission bandwidth while ensuring frequency resolution, and improves real-time performance and signal fidelity in the readout scene of high multiplexing ratio detectors.

An eye margin test method includes receiving an analog input signal, receiving an analog input signal, generating a recovery clock signal based on the digital input signal, delaying the recovery clock signal by adjusting a first delay control code, obtaining a first delay margin code based on the delayed recovery clock signal, delaying the digital input signal by adjusting a second delay control code, obtaining a second delay margin code based on the delayed digital input signal, and obtaining an eye margin code by adding the first delay margin code and the second delay margin code.

The utility model relates to industrial equipment control technical field, specifically disclose a wireless remote control device of trolley type shot blasting cleaning equipment. The device includes the receiver set up in the equipment electric control cabinet and the remote control transmitter wireless communication with it, and the receiver is connected to the PLC digital input module of electric control cabinet through the cable. The remote control transmitter shell integrates the emergency stop button, the car platform advances and retreats control key, the cleaning room door key and the workpiece forward and reverse key, realizes wireless radio frequency signal transmission through microcontroller and receiving antenna. The device solves the equipment control blind area problem caused by the limited vision of the operation personnel in the electric control room through the wireless remote control mode, realizes the remote accurate control to the trolley walking, electric door opening and closing and workpiece rotation, effectively avoids the cable pull off, chain damage and other security risks. Its simple and reliable structure does not need to transform the equipment main part, significantly improves the operation safety and operation efficiency, and is suitable for existing equipment upgrading and new equipment matching application.

1. Name of the product in this design: Cooking graphical user interface for electronic devices. 2. Purpose of this design: An electronic device. 3. The key design feature of this product is its graphical user interface. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. The product carrier is a conventional design, and the rear view, left view, right view, top view, and bottom view of each design are omitted. 6. Design 2 is designated as the basic design. 7. Purpose of the graphical user interface: for controlling and setting cooking equipment. 8. Human-computer interaction method of graphical user interface: Click the "Grinding Calculator" icon in the main view of Design 1 to enter the grinding calculation tool interface in the Design 1 change state diagram 1. In this interface, click the settings box below "Grinding" to enter the Design 1 change state diagram 2. The interface displays a list of all grinding machine models. After selecting any grinder model from the list, click "Done" in the upper right corner of the interface to enter Design 1 (Change State 3). In this interface, click the "Use XX method for XX grinding" brewing mode setting box to enter Design 1 (Change State 4). A brewing mode selection menu will pop up above the box. Select any brewing mode from this menu and then click the grinding mode setting box to enter Design 1 (Change State 5). A grinding mode selection menu will pop up again. Select any grinding mode from this menu and then press and hold the circle outside "Number of Rotations" to adjust the grinding rotation number to enter Design 1 (Change State 6). In this interface, click the parameter setting below "Grit Size" to enter Design 1 (Change State 6). In the change state diagram 7, a particle size setting input keyboard pops up below the box. After setting the particle size parameters using this keyboard, click the selection input box below "Grinding Degree" to enter the design 1 change state diagram 8. A grinding degree selection menu pops up above the box. Select any grinding degree from the list and click the "View" icon on the right to enter the design 1 change state diagram 9. A view selection list pops up below the icon box to select the view mode. After completing the relevant settings, click the settings icon (three small dots icon) in the upper right corner of the interface to enter the design 1 change state diagram 10 tool settings interface. In this interface, click "Device Center" to enter the design 1 change state diagram 11 connecting electronic devices. In the main view of Design 2, click the "Grinding Machine Management" icon to enter the grinding machine creation interface (Figure 1 of Design 2). In this interface, click the drop-down menu to the right of "All Grinding Machines" to enter Figure 2 of Design 2. In this menu, click "Create New Grinding Machine" to enter the grinding machine tool interface (Figure 3 of Design 2). The top of the interface displays the grinding disc icon, and the bottom displays the grinding data list. In this interface, click the drop-down arrow icon to the right of the new grinding machine at the top to enter Figure 4 of Design 2. A drop-down selection menu will pop up; click "Reminder Configuration" in this menu to enter Figure 5 of Design 2. In this interface, click "Test Blade" to enter Figure 6 of Design 2. After completing the custom settings in this interface... Click "Done" in the upper right corner to enter the grinder tool interface (Figure 7, Design 2 Change State). In this interface, click the data input box below "Grit Size" to enter Figure 8, Design 2 Change State. A numeric input keyboard will pop up; use this keyboard to input and set the grit size data. After completing the grit size input settings, click the data input box below "Grit Size" to enter Figure 9, Design 2 Change State. A numeric input keyboard will pop up; use this keyboard to input and set the grit size data. After completing the grit size input settings, click the toggle icon (racetrack-shaped icon) below the grinder icon to enter Figure 10, Design 2 Change State. Click the settings icon (three small dots icon) in the upper right corner of the interface to enter the tool settings interface (Figure 11, Design 2 Change State). In the main view of Design 3, click the "Grinding Machine Management" icon to enter the grinding machine tool interface (Design 3 Change State Figure 1). The grinding disc icon is at the top of the interface, and the grinding data list is at the bottom. Click the drop-down menu icon to the right of "New Grinding Machine" to enter Design 3 Change State Figure 2. A drop-down selection menu will pop up. Click "Reminder Configuration" in the menu to enter Design 3 Change State Figure 3. Click "Test Blade" in the menu to enter Design 3 Change State Figure 4. After completing the relevant settings in this interface, click "Finish" in the upper right corner to enter the grinding machine tool interface (Design 3 Change State Figure 5). Click the input box below "Grit Size" to enter Design 3 Change State Figure 6. A data input keyboard will pop up. After entering the grit size data using this keyboard, click the data input box below "Grit Size" to enter Design 3 Change State Figure 7. A data input keyboard will pop up. After entering the grit size data using this keyboard, click the switch icon (racetrack-shaped icon) below the grinding disc icon to enter Design 3 Change State Figure 8. Click the settings icon (three small dots icon) in the upper right corner of the interface to enter the tool settings interface (Design 3 Change State Figure 9).

A method of operating an electronic device, the device having a receiver for receiving a wireless analogue signal, a converter for converting the received analogue signal to a digital input signal, a signal processor for generating a digital output signal from the input signal, and a transmitter for transmitting the output signal as a wireless digital signal, wherein the input signal is filtered to generate the output signal such that a noise signal in the input signal generated by the signal processor and / or the transmitter is reduced.

The application provides a fuel cell engine control system for ships, which comprises an input signal module, an output signal module, a power module and a communication module, wherein the input signal module comprises analog input, digital input and frequency input; the output signal module comprises high-low edge driving output, low edge PWM signal output and H bridge power output; the communication module comprises CAN communication and SENT communication; the control method comprises a start-up and shutdown module, a system control module and a fault diagnosis module; the system control module mainly realizes the control of key components in each subsystem of the fuel cell through calibration lookup table and PID control; the fault diagnosis module is divided into communication fault, equipment fault and operation fault according to fault categories, each fault has a corresponding fault code, the fault of each component can be reflected in the fault code, and the corresponding fault diagnosis control strategy is executed to ensure the reliability and safety of the fuel cell system.

A hybrid wideband / narrowband direct digital transceiver. In an example, the transceiver includes a first-stage downconverter configured to convert a radio frequency (RF) input analog signal to a first intermediate frequency (IF1) narrowband (NB) input analog signal; a second-stage downconverter configured to convert the IF1 NB input analog signal or a millimeter wave (mmW) input analog signal to a second intermediate frequency (IF2) NB input analog signal; one or more analog to digital converters (ADCs) configured to convert one or more of the IF1 NB input analog signal, the IF2 NB input analog signal, and the RF input analog signal to digital input signals; and a processor configured to control the first-stage downconverter to set a center frequency and bandwidth of the IF1 NB input analog signal and control the second-stage downconverter to set a center frequency and bandwidth of the IF2 NB input analog signal.

The application discloses a random rotation DEM structure for reducing switch activity, comprising a digital-to-analog converter, a digital input of the digital-to-analog converter is divided into an input code and a random rotation number, the random rotation number is input into a switch activity reduction structure through a barrel shifter output result delayed by a D flip-flop for one period, a feedback output of the switch activity reduction structure is fed back to the barrel shifter as an input, and an output of the barrel shifter after rotation controls corresponding switches and is connected to a corresponding cell array. The application uses input data to replace a pseudo-random number generator, and uses relatively simple logic to realize a switch activity reduction function, so that the complexity is reduced.

An integrated circuit (IC) comprising: a digital interface terminal; and processing circuitry, wherein the IC is operable in: a first mode in which the digital interface terminal operates as a digital input or output terminal for communication with the integrated circuit; and a second mode in which the digital interface terminal operates as a hysteretic terminal for coupling with circuitry external to the IC to implement a hysteretic circuit.

A transmitter for converting a digital input signal to an analog signal and outputting the analog signal by performing dithering, in a wireless communication system, comprises: a filter; and at least one processor, wherein the at least one processor may be configured to: measure the intensity of the digital input signal; measure the frequency of the digital input signal; if the intensity of the digital input signal is less than a threshold value, add, as a dithering signal, at least one tone signal having an out-of-band frequency other than a frequency band used by the digital input signal and having the intensity greater than the intensity of the digital input signal to the digital input signal; convert the digital input signal to the analog signal according to a sampling frequency; and input the analog signal to the filter.

A system for calibrating signals received through a power line within a vehicle includes a signal conditioning circuit that converts analog input signals into digital input signals. In one configuration, the circuit includes an adjustable gain circuit that outputs an amplifier gain signal, establishing an amplifier gain level, and an amplifier that outputs amplified signals in response to the analog input signals and the amplifier gain signal. In another configuration, the circuit includes a bias circuit that outputs a bias signal, establishing a bias level, and a comparator that generates the digital input signals in response to the analog input signals and the bias signal.A controller receives the digital input signals and generates, depending on the mode, one or more control signals configured to control the amplifier gain signal setting and amplifier gain level and / or the bias signal and bias level.

This invention relates to the field of digital technology, specifically disclosing an intelligent dual-mode all-media digital input device and its control method. The device includes a pen, a conductive textured sphere with optical features on its surface, an image acquisition and transmission unit, and a pressure detection unit. It constructs an integrated architecture based on the conductive textured sphere and a capacitive signal enhancement unit, with a microcontroller coordinating the operation of each unit. It can flexibly switch between screen interaction mode and independent input mode. In screen interaction mode, it functions as an active capacitive pen; in independent input mode, it can record optical flow trajectories on a physical surface based on the applied force, or control the cursor while suspended in the air. The device supports automatic media recognition switching based on the electrical characteristic signals of the contact surface and employs a push-rod floating imaging module structure, physically eliminating zoom blur in macro imaging and pseudo-displacement interference along the writing axis. It achieves multiple uses with a single pen, offering advantages such as strong adaptability to all scenarios and high trajectory reproduction accuracy.

This invention discloses a vehicle-mounted Ethernet gateway device and its monitoring method based on a dual 5G network, aiming to solve the problems of insufficient bandwidth, single interface, and unstable connection of existing vehicle-mounted gateways. The device adopts dual 5G network modules (optional dual 5G or 5G+4G / Redcap configuration), integrating 6 vehicle-mounted Ethernet interfaces (3 1000 / 100BASE-T1 and 3 100BASE-T1), 2 M12 standard Ethernet interfaces (1000 / 100BASE-TX), 2 CAN interfaces (expandable to 3), 2 digital input (DI) interfaces, and 2 digital output (DO) interfaces. It supports V2X (vehicle-to-everything) and PTP (Precision Time Protocol) protocols, enabling remote vehicle status monitoring and multi-link backup. The device is based on a quad-core A55 CPU (maximum frequency 2GHz), 2GB RAM (expandable to 4GB), and 8GB eMMC flash memory (expandable to 16GB), providing secure data transmission through cellular networks, Wi-Fi (optional Wi-Fi6), and VLAN technology. This invention improves vehicle operating efficiency and is suitable for intelligent transportation systems.

An apparatus comprises at least one processor and at least one memory including instruction code configured to, with the at least one processor, cause the apparatus at least to perform, with a first accuracy, a first portion of a bitwise multiplication of first and second digital inputs and to perform, with a second accuracy different than the first accuracy, at least a second portion of the bitwise multiplication.

A battery pack equalization system, its equalization control circuit and working method are disclosed. The equalization control circuit is configured as a daisy chain architecture together with other equalization control circuits. The battery pack divides a plurality of single batteries connected in series into a plurality of battery groups, wherein the single batteries belonging to the end of each battery group are shared by adjacent battery groups. The equalization control circuit comprises: a first battery terminal coupled to the negative electrode of No. 1 battery in the corresponding battery group; a second battery terminal to an n+1 battery terminal, which are respectively coupled to the positive electrodes of No. 1 to No. n batteries connected in series in the corresponding battery group in turn, wherein n is an integer greater than or equal to 3; a digital input terminal receiving an equalization control signal with a digital coded pulse sequence; and a high-side transfer terminal transferring the received equalization control signal to the digital input terminal of the next equalization control circuit in the daisy chain architecture.

An organic interface converting data into tangible 3D shapes using programmable materials. It includes an interaction point with multiple surfaces and a projection module, all coordinated by a computing device for data transmission and reception. Data streams carry computer-readable code interpreted by the projection module to reorient surfaces, thereby materializing the data in three-dimensional space. The interface allows tactile input via human touch generating electrical currents that alter surface properties like position and smoothness. It also responds to audible frequencies and can receive data from secondary computing devices. Using a computing device, users can create 3D objects through data transmission to these responsive surfaces. The interface supports user interactions through touch, voice commands, and digital inputs from devices such as smartphones or tablets. Users have the flexibility to adjust the interface's resolution and response rate to tailor their interaction experience.

This invention relates to the field of industrial automation, specifically to a configurable digital input / output method and system with short-circuit protection and interference-free diagnostics. It includes an interconnected microcontroller and configurable channels. Each channel includes an output driver unit and an input acquisition unit, with the output terminal of the output driver unit and the input terminal of the input acquisition unit connected to the same physical port within a circuit board. The microcontroller is configured to perform the following: determine diagnostic excitation based on the channel's operating mode; acquire the actual voltage state of the corresponding physical port under the diagnostic excitation through the input acquisition unit to obtain a port readback value; and compare the port readback value with the expected logic value corresponding to the diagnostic excitation to generate a channel fault determination result. No modifications are made to the existing hardware structure of configurable digital input / output channels; the diagnostic and protection functions are implemented solely through the microcontroller's internal software logic.

A computer-implemented method for detecting and decoding a watermarked image is provided, the method including obtaining the watermarked image; determining an orientation of the watermarked image by processing a first trained data-driven model, wherein the watermarked image is fed as a digital input to the first trained data-driven model; and aligning the watermarked image in accordance with the orientation.

The application discloses a kind of intelligent relay cooperative control method and system with digital input linkage, belong to relay control technical field, including: with intelligent relay as node, by main node generation time synchronization frame, to slave node is corrected synchronously, for local node generates local on-off sequence, in combination with the on-off sequence of associated node, construct panoramic sequence;Through the sliding window of configuration, carry out online timing feature extraction, construct on-off timing feature set;Trigger mixed decision mechanism, including local decision, consensus decision;Among them, local decision is used to match according to on-off timing feature set and local working condition mapping table, consensus decision is used to carry out collaborative analysis in combination with associated node and the local decision, generate decision control instruction;Based on the decision control instruction, linkage is executed to intelligent relay, including execution deviation calibration, execution effect verification, decision data optimization, improve the intelligent level of automation management and control and operation reliability.

The utility model provides a kind of high-speed electromagnetic valve flow measurement system mainboard, including MCU, general digital input circuit, general digital output circuit, nozzle drive circuit, oil pump drive circuit and flow interface exchange circuit;The MCU is connected with general digital input circuit, general digital output circuit, nozzle drive circuit, oil pump drive circuit and flowmeter interface circuit respectively;The general digital input circuit is connected with MCU, for receiving the digital signal of external equipment input;The general digital output circuit is connected with MCU;The nozzle drive circuit is connected with MCU;The oil pump drive circuit is connected with MCU;The flowmeter interface circuit is connected with MCU.The utility model can be used to adjust the flow output of oil atomizer cleaning machine, eliminates the error caused by artificial observation, realizes the high-precision measurement and automatic control of flow, improves the accuracy and reliability of nozzle electromagnetic valve flow measurement.