321 results about "Digital input" patented technology

An image processor for a medical observation device includes a color conversion function, The image processor is configured to retrieve an input pixel of a digital input color image and a location of the input pixel in the input color image, and apply the color conversion function to the input pixel to generate an output pixel in a digital output color image. The color conversion function depends on the location of the input pixel.

In one embodiment, a method includes, by an electronic device, receiving a digital input indicating a type of movement. Streaming sensor data corresponding to movements of a first user can be accessed from one or more sensors of one or more wearable devices on the first user. Displacement data corresponding to the movements of the first user can be generated based on the streaming sensor data and the indicated type of movement. One or more repetitions represented in one or more corresponding segments of the displacement data can be identified based on the displacement data. The displacement data corresponding to each identified repetition may substantially match a predetermined movement signature associated with the type of movement. One or more performance metrics can be calculated for one or more of the identified repetitions. Instructions can be provided for presenting a user interface including information referencing the performance metrics.

Certain aspects of the present disclosure provide techniques and apparatus for digital-to-analog conversion. An example apparatus generally includes a digital-to-analog converter (DAC), an incremental analog-to-digital converter (IADC) having a first input coupled to a first output of the DAC, and a controller coupled to the DAC and the IADC. The controller is configured to determine a direct current (DC) offset associated with the DAC using the IADC and control a mission-mode digital input signal of the DAC based on the DC offset.

To provide native hardware support for complex operations such as a beam search operation, an integrated circuit device can be implemented with multiple computational circuit blocks coupled in series to form a pipeline. Each computational circuit block includes an arithmetic logic unit (ALU) circuit having a first numeric input, a second numeric input, a primary result output, and a secondary output. The ALU circuit is programmable to perform an arithmetic operation on the first numeric input and the second numeric input to generate the primary result output, and provide one of the first numeric input or the second numeric input to the secondary output, which is fed back to the ALU circuit.

There is disclosed a system and a method of pairing and mapping an input device with a game client software. The method comprises an input device transmitting one or more bitmaps identifying analog and digital input schemes for the input device. The game client software, thereafter, can respond to inputs from the input device in the form identified by the one or more bitmaps.

A portable electronic device comprising a microcontroller, a secure element, and at least one peripheral component controlled by the secure element, wherein the secure element is connected to the microcontroller through a first serial data link and is connected to the peripheral component through at least one second serial data link. At least one digital input of the peripheral component is connected to at least one digital input / output of the microcontroller and the secure element is configured to send to the microcontroller, via the first data link, control commands of said digital input / output of the microcontroller such that it provides a specified signal on the digital input of the peripheral component.

The invention relates to the technical field of industrial control, and discloses a data analysis processing controller. The controller comprises a cabinet, an aviation plug front panel and a cabinet VPX backboard. External 24V direct current is connected with a cabinet VPX backboard through the power supply filtering module and is reduced to 12V direct current through the power supply module. A main control module, a digital quantity input / output module, an analog quantity input / output module and two reserved slot positions are integrated on a VPX backboard of the case, and all the modules are inserted into the standard slot positions through VPX connectors. The main control module is communicated with the function module through an RS232 bus and is integrated with a gigabit Ethernet, an RS485 interface and a CAN (Controller Area Network) interface; the digital quantity module adopts a dual-channel optical coupler isolation and self-checking technology, and the analog quantity module realizes dynamic fault switching through redundant output and controllable voltage superposition. Internal cable connection is eliminated through a VPX framework, the reliability, expansibility and real-time response capability of the system are remarkably improved by combining multi-stage power supply filtering and cold conduction and heat dissipation design, and the system is suitable for ship distance adjusting devices and other complex industrial environments.

Methods and apparatus for performing crest factor reduction (CFR) to adjust the output power of a digital-to-analog converter (DAC) are described. An example method includes applying CFR to a digital input signal to generate a crest factor reduced signal. Applying CFR includes: (a) adjusting an amplitude of a real component of the digital input signal based on a first threshold while maintaining a phase of the digital input signal; and (b) adjusting the amplitude of the imaginary component of the digital input signal based on a second threshold while maintaining the phase of the digital input signal. The crest factor reduced signal is converted to an analog signal via a DAC.

A complementary current-steering digital-to-analog converter (DAC) including a p-type DAC as well as an n-type DAC is shown. The p-type DAC has p-type current sources, and the n-type DAC has n-type current sources. The p-type current sources are coupled to a first input terminal or a second input terminal of a transimpedance amplifier (TIA) according to a digital input of the complementary current-steering DAC. The n-type current sources are coupled to the first input terminal or the second input terminal of the TIA according to the digital input of the complementary current-steering digital-to-analog converter.

This disclosure describes systems, methods, and devices for analyzing and providing suggestions for handwritten math characters entered on a device A method may include receiving first handwritten strokes digitally entered on the device by a user; inputting the first handwritten strokes into a machine learning model; classifying, by the machine learning model, the first handwritten strokes as first mathematical characters; causing the device to present, based on the classifying, a selectable indication of the first handwritten strokes; receiving a first user selection of the selectable indication; causing the device to present, based on the first user selection, one or more selectable suggestions for second mathematical characters to follow the first mathematical characters; receiving a second user selection of a first suggestion of the one or more selectable suggestions; causing the device to present, based on the second user selection, synthesized second handwritten strokes representing the second mathematical characters.

A system and method providing automated voice-based healthcare plan delivery. The system interfaces with the patient through a voice-controlled personal assistant appliance via the internet. Some embodiments are implemented as voice applications or skills within the eco-system of an existing voice-controlled personal assistant device / appliance (hereinafter VCPAD). The system and method allow a clinician to create, digitally input, and modify a healthcare plan for a patient using a simple computer / web interface and without the need of any software development or computer programming skills, and allows a patient to interface with and query that healthcare plan using a largely conventional voice-controlled digital assistant appliance simply and efficiently to extract information about his / her individual healthcare plan in the patient's own language.

The present disclosure relates to a circuit and method for calibrating a digital-to-analog converter. A digital-to-analog converter (DAC) calibration system includes a DAC configured to convert a digital input to an analog input, a detector configured to measure analog outputs of the plurality of DAC unit cells and combine the analog outputs to generate a total analog output signal, and a calibration engine. The calibration engine is configured to calibrate the DAC.

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.

An example digital-to-analog converter (DAC) circuit may comprise a plurality of single-bit DAC elements, an encoder circuit, and a multiplexer circuit. The encoder circuit may be configured to generate a control signal, where a number of asserted bits in the control signal is based at least in part on a digital input signal and an asserted bit pattern of the control signal is based at least in part on a random signal. The multiplexer circuit may be configured to modify the control signal to generate a noise-corrected control signal having a noise-corrected bit pattern. The noise-corrected bit pattern may direct a first asserted bit of the noise-corrected control signal to activate a first single-bit DAC element and a second asserted bit of the noise-corrected control signal to activate a second single-bit DAC element, where the first single-bit DAC element and the second single-bit DAC element having respective errors that at least partially cancel.

Grip for a writing or digital input instrument (left-handed)

The invention discloses a compressor distributed control protection circuit and a compressor control system. The compressor distributed control protection circuit comprises a main control module, a detection input module and a control output module, the main control module is electrically connected with the detection input module and the control output module, the main control module is used for receiving a detection signal of the detection input module and sending a control signal to the control output module, and the main control module is connected with a compressor; the detection input module specifically comprises a high-voltage phase sequence detection unit, an analog quantity input unit and a digital quantity input unit; the control output module specifically comprises an analog quantity output unit. According to the scheme, the burden of an external upper computer is greatly relieved, a traditional wiring mode is simplified, the cost is reduced, and monitoring and recording are facilitated.

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.

The invention provides a micro injection pump and a control method. The micro injection pump and the control method are used for at least solving the technical problem of digital input in the prior art. A micro injection pump comprises a control chip, a first digital key and a second digital key, the first digital key transmits a first signal to the control chip after being triggered, the second digital key transmits a second signal to the control chip after being triggered, and the first digital key and the second digital key are triggered for a plurality of times in turn in a certain time. Or the same number key is triggered at least once within a certain time, at least eight combined signals can be transmitted to the control chip, and in a first operation interface of the micro injection pump, the first signal, the second signal and the remaining eight combined signals respectively and correspondingly input numbers to the system. On the premise that the number of the keys is not changed, the direction keys are replaced by the number keys, so that the number input efficiency is higher.

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 invention relates to a ship operation and monitoring system integrated arrangement method and an operation table. The method comprises the following steps: determining the installation position of a camera, dividing a monitoring area, and centrally configuring a PLC control system and monitoring rear-end equipment on an operation platform; each monitoring area is provided with a signal switching module with a digital quantity and industrial Ethernet interface; the camera collects equipment operation pictures, and the state sensor collects operation parameters; after the switching module processes the information, a control signal is transmitted to the PLC control system, and a video instruction is transmitted to the hard disk video recorder NVR through the optical fiber transceiver and the industrial switch; and the PLC control system is combined with the picture and parameter regulation and control equipment, and the PLC control system and the monitoring rear-end equipment adopt double-path independent power supply. The operating platform comprises an operating system and a monitoring system, a frame body is arranged in the operating system, core equipment is arranged in a layered manner, and front-end equipment of the monitoring system is arranged corresponding to standby equipment; according to the method and the operating platform, space is saved, interference resistance is enhanced, power supply is reliable, regulation and control accuracy is improved, the method and the operating platform are adaptive to severe ship environments, and efficient and stable operation of equipment is guaranteed.

The application relates to a GaN transistor driving circuit. It is used for a driven GaN transistor, and comprises upper and lower transistor circuits and upper and lower transistor control circuits. The upper and lower transistor circuits comprise upper and lower transistors, the upper and lower transistors are GaN transistors, the drain of the upper transistor is connected with a power voltage VCC, the gate is connected with a digital input VIN, the source is connected with the drain of the lower transistor, and is connected with the gate of the driven GaN transistor as the output of the GaN transistor driving circuit; the gate of the lower transistor is connected with the upper and lower transistor control circuits; the upper and lower transistor control circuits control the lower transistor by using a bus voltage VD, the power voltage VCC and the digital input VIN, so that the output of the GaN transistor driving circuit is in phase with the digital input VIN, the upper and lower transistor control circuits comprise transistors, the transistors are GaN transistors, and are turned on when the gate is applied with a voltage higher than a threshold voltage.

The invention relates to a digital filter circuit for calculating an exponential variance of a signal, a corresponding system on chip and a method of operation. A digital signal processing method includes: applying a first infinite impulse response filtering operation to a digital input signal to produce a first filtered signal; performing a mathematical transformation on a combination of the digital input signal and the first filtered signal to produce a transformed signal; applying a second infinite impulse response filtering operation to the transformed signal to produce a second filtered signal; performing a scaling operation on the second filtered signal to generate a scaled signal; and combining the second filtered signal and the scaled signal to produce a digital output signal indicative of a statistical characteristic of the digital input signal.

The invention discloses a PLC controller fault detection system and method, and relates to the technical field of fault detection regulation and control, and the method comprises the steps: providing a known digital input signal, and obtaining an output response; constructing a fault representation set of the output response; the characterization fitting degree between the PLC and each fault type is determined; determining the interaction relevance between any two fault types of the PLC; based on the interaction relevance between the fault types, constructing a fault relevance model for each fault type of the PLC; and performing fault diagnosis on the PLC based on the fault correlation value of each fault type of the PLC in the current application environment. The method has the advantages that the fault type of the PLC can be effectively recognized, and efficient and accurate fault diagnosis of the PLC can be achieved.

A phasor measurement unit (PMU) of the present disclosure measures phasor, i.e., magnitude and phase angle of voltage and current, and related data from a specific location on the electrical gird synchronized to a common time source. The time-synchronized phasor is called a synchrophasor. In a system of the present disclosure, a plurality of PMUs transmit the synchrophasors and related data to a phasor data concentrator (PDC), which aggregates and time-aligns the data for real time and post analysis. The PMU of the present disclosure further functions as a power quality meter determining at least one of symmetrical components' phasor, frequency, rate of change of frequency, high-speed digital inputs, analog fundamental power and / or displacement power factor.

Embodiments are generally directed to an emergency driver (10) and an intelligent module (20) for the emergency driver (10). An embodiment of the emergency driver (10) may include a digital communication interface (12), a DC power supply (14) and a controller (16). The digital communication interface (12) may be configured to receive an input signal (41) via a control bus (18). The DC power supply (14) may be configured to provide a DC output (45) to the control bus (18). The controller (16) may be coupled to the digital communication interface (12) and the DC power supply (14) and may be configured to control the emergency driver (10) to operate in a first operation mode. The input signal (41) received at the digital communication interface (12) may be a digital input signal when the emergency driver is operating in a first operation mode.

The present invention relates to a digital amplifier for outputting a pulse-width-modulated output switching signal by amplifying a pulse-width-modulated digital input signal, the amplifier minimizing pulse error between the pulse-width-modulated digital input signal and a PWM pulse signal at the rear of a comparison unit according to audio information so that the distortion rate of an output audio signal can be alleviated and error amplifier characteristics can be enhanced, and being capable of minimizing wafer area and production costs when implemented as a semiconductor integrated circuit.

The application discloses a kind of vehicle-mounted safety digital quantity input and output device and collaborative detection method, it is related to vehicle control technical field, the device includes: first MCU, second MCU, safety digital quantity input module, MCU interaction module and safety digital quantity output module;Cooperative input dynamic detection circuit is used to control the acquisition transmission of safety acquisition circuit to the input digital quantity of first group quantity path according to the first dynamic detection start control signal of first MCU;According to the second dynamic detection start control signal of second MCU, control safety acquisition circuit to the acquisition transmission of input digital quantity of second group quantity path is controlled;Visible, the application utilizes two MCUs of different architecture, by cooperative input dynamic detection circuit, the way of double channel collaborative detection is used to dynamically detect the input digital quantity, avoid the influence of common cause failure of two MCUs on detection accuracy, reduce the configuration cost and board size.

A watermark-based audio processing method for use in the audio player including a receiver, an analog-to-digital converter, a processor, a digital-to-analog converter and a transmitter includes: the receiver receiving an audio input signal, the analog-to-digital converter converting the audio input signal into a digital input signal including a keyword, the processor detecting an energy of the digital input signal, if the energy exceeds a threshold, the processor determining whether a watermark is included in the digital input signal, if not, the processor embedding the watermark into a predefined digital audio signal to generate a digital output signal, then the digital-to-analog converter converting the digital output signal into an audio output signal, and finally, the transmitter outputting the audio output signal for playback.

1. The name of the design product: electronic device for high pressure oxygen cabin password operation graphical user interface. 2. The use of the design product: an electronic device. 3. The design points of the design product: the graphical user interface of the high pressure oxygen therapy device. 4. The picture or photo that best shows the design points: design 1 interface change state figure 3. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the graphical user interface for the high pressure oxygen therapy device, which guides the user to enter the interface and realize the function operation related to the work of the high pressure oxygen therapy device. 7. The human-computer interaction mode of the graphical user interface: design 1 main view is the initial interface; in the state of starting, click anywhere on the interface to jump to design 1 interface change state figure 1; click the "eye" pattern on the right of "please enter the password" on design 1 interface change state figure 1, and input the correct password, then display design 1 interface change state figure 2 to close the password interface; click the "complete" button in design 1 interface change state figure 2 to jump to design 1 interface change state figure 3; click "internal atmosphere lamp" or "external atmosphere lamp" in design 1 interface change state figure 3, then display design 1 interface change state figure 4; click the "kangyao start" button in design 1 interface change state figure 4, if the device fails, then display design 1 interface change state figure 5. Design 2 main view is the initial interface; in the state of starting, click anywhere on the interface to jump to design 2 interface change state figure 1; click the "eye" pattern on the right of "please enter the password" on design 2 interface change state figure 1, and input the correct password, then display design 2 interface change state figure 2 to close the password interface; click the "complete" button in design 2 interface change state figure 2 to jump to design 2 interface change state figure 3; click the "kangyao start" button in design 2 interface change state figure 3, if the device fails, then display design 2 change state figure 4.

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.