70 results about "Mobile industry processor interface" patented technology

The invention discloses a multi-protocol high-speed image data receiving and aligning method and system based on an FPGA (Field Programmable Gate Array), and relates to the technical field of electronic information and image processing. Serial data streams from an image sensor are received, an FPGA serial input primitive is dynamically called to convert serial data into parallel data; a low-voltage differential signal protocol, a mobile industry processor interface protocol and a serial low-voltage signal protocol are supported; a configurable sliding window mechanism is adopted to compare synchronous codes in real time, and byte boundaries are locked; by identifying the time difference of arrival of data of each channel, multi-channel phase alignment is realized by adopting hardware-level delay compensation, and data arriving at the channel in advance is compensated by adopting a first-level register cache; and analyzing frame header and frame tail information of the image data, reconstructing an original image matrix and generating a video time sequence signal. The problems of poor compatibility and high resource consumption in multi-protocol high-speed image data receiving are solved.

The invention relates to a trinocular camera access method based on a high-speed MIPI switch and PWM control, and belongs to the technical field of image acquisition. The method comprises the following steps: performing time division multiplexing on mobile industry processor interface hardware to obtain MIPI signals output by a first image sensor, a second image sensor and a third image sensor; mIPI signals of the first image sensor and the second image sensor are accessed to the input end of the second high-speed switch chip through the first high-speed switch chip; an MIPI signal output by the third image sensor is directly accessed to the input end of the second high-speed switch chip; the input end of the second high-speed switch chip combines the signals and then inputs the signals to the camera SOC chip, and the camera SOC chip carries out sequential control on the first high-speed switch chip and the second high-speed switch chip according to the PWM control signals. And the expansibility and flexibility of the system are enhanced, so that the chip can easily adapt to diversified hardware configuration and scene requirements.

This application discloses a signal anti-interference method and an electronic device, and relates to the field of terminals. A system-on-chip (SoC) chip may obtain parameter information (for example, an amplitude of a radio frequency signal, a phase of the radio frequency signal, a waveform of the radio frequency signal and the like) of the radio frequency signal coupled on a mobile industry processor interface (MIPI) signal line. Based on the parameter information of the radio frequency signal, the SoC chip may generate a reverse signal of the radio frequency signal, where the reverse signal is the same as the radio frequency signal in amplitudes (which may also be referred to as amplitude values) and waveforms and opposite in phases. The SoC chip may superimpose the reverse signal with a signal transmitted by the MIPI signal line, to eliminate the radio frequency signal coupled on the MIPI signal line.

Systems and methods for implementing sensory configurations in accordance with certain embodiments of the invention are illustrated. One embodiment includes an imaging system that includes cameras, wherein each camera includes image sensor(s). The imaging system includes video links, wherein each of the video links is configured to: connect a particular camera to a central processor, and carry power, from the central processor to the particular camera. The imaging system includes a memory that stores instructions for processing image data obtained from the cameras. The central processor is configured to execute the instructions to perform a method. The method aggregates the image data for each camera of the plurality of cameras to produce aggregated image data, using at least one mobile industry processor interface (MIPI) aggregator. The method processes the aggregated image data to produce a set of at least one environmental image.

The invention is applied to the technical field of product communication, and discloses an FPGA (Field Programmable Gate Array)-based LCD (Liquid Crystal Display) screen replacement OLED (Organic Light Emitting Diode) system, which comprises an MIPI (Mobile Industry Processor Interface) decoding unit, an RAM (Random Access Memory) image cache unit, a clock recovery unit, a scaling interpolation unit, an output time sequence unit, an MIPI coding unit, a screen command unit and an ADC (Analog to Digital Converter) sampling unit, and the FPGA selected by the system is only Lattice-XO3. According to the FPGA-based system for replacing the OLED with the LCD screen, the problem that the resolution ratios of the LCD screen and the OLED screen are inconsistent is solved by adopting the scaling interpolation unit based on the RAM cache in the FPGA, high flexibility and adaptability are achieved, the system guarantees the quality and integrity of images through accurate interpolation calculation and scaling processing, the visual experience is improved, and the system is suitable for popularization and application. And the user can fully utilize the advantage of high resolution of the OLED screen after replacing the screen, and meanwhile, the problems of image deformation, blurring or incomplete display and the like possibly caused by mismatching of the resolution are avoided.

Communication with more reliable functional safety is disclosed. In one example, a communication device includes a packet generation unit configured to generate a packet having a packet structure in which a Mobile Industry Processor Interface (MIPI) standard is incorporated in a frame defined by Institute of Electrical and Electronics Engineers (IEEE) 1722 that is a communication standard via a network, and a timer configured to acquire a time stamp stored in a packet header of the packet. The technology can be applied to, for example, a communication system connected with an in-vehicle camera.

Methods, apparatus, and computer programs are disclosed for image data transmission for a camera system. In one embodiment, a camera system is disclosed to include a plurality of camera image sensors each including a Mobile Industry Processor Interface (MIPI) Differential Physical Layer (D-PHY) interface and a circuit to process image frames obtained from the plurality of camera image sensors through a single MIPI D-PHY interface of the circuit, and the circuit to transmit one or more trigger signals to the plurality of camera image sensors to cause obtaining the image frames from the plurality of camera image sensors one at a time based on the one or more trigger signals, the image frames to be transmitted through a single MIPI D-PHY connection between the single MIPI D-PHY interface of the circuit and MIPI D-PHY interfaces of the plurality of camera image sensors.

Example systems, apparatus, articles of manufacture, and methods to implement unified control of mobile industry processor interface cameras are disclosed. An example apparatus to control a camera is to access command conversion data from at least one of memory of the camera or memory of a host device to be coupled to the camera. The example apparatus is also to parse the command conversion data to map a command to one or more register settings of the camera, the command to specify a camera configuration applicable to a plurality of different camera types, the one or more register settings specific to the camera, the one or more register settings to configure the camera based on the command. The example apparatus is further to cause the one or more register settings to be transmitted to the camera via a mobile industry processor interface.

The application discloses a signal processing method, a signal processing device and a mobile device, and belongs to the electronic technical field. The method comprises the following steps: receiving a first signal sent by a first integrated circuit unit, determining a minimum input voltage when a target sequence is read from the first signal, wherein the first signal is a signal of a mobile industry processor interface (MIPI); under the condition of the minimum input voltage, sending a second signal to a second integrated circuit unit based on the target sequence, and detecting the amplitude of the second signal received by the second integrated circuit unit; determining a minimum output voltage according to the amplitude of the second signal received by the second integrated circuit unit; and under the conditions of the minimum input voltage and the minimum output voltage, receiving the MIPI signal sent by the first integrated circuit unit, and re-sending the MIPI signal to the second integrated circuit unit.

The utility model discloses an endoscope MIPI fixing plate safety locking mechanism which comprises a positioning sleeve, an endoscope catheter is inserted into the positioning sleeve, a U-shaped shell communicated with the positioning sleeve is installed at the upper end of the positioning sleeve, a sleeve is installed on the section, away from a lens, of the endoscope catheter, a plurality of clamping grooves of an annular structure are formed in the outer ring face of the sleeve in the axial direction, and the U-shaped shell is connected with the U-shaped shell. A gear is arranged in the U-shaped shell, convex teeth of the gear are inserted into the corresponding clamping grooves, a positioning assembly for positioning the gear is installed on the top face of the U-shaped shell, a telescopic rod is installed on the bottom face of the positioning sleeve, and a clamp is installed at the lower end of the telescopic rod. The endoscope catheter positioning device is simple in structure, the endoscope catheter can be directly inserted into the positioning sleeve, the moving stability is improved, the endoscope guide rail can be accurately adjusted through rotation of the gear by the hand wheel, meanwhile, the endoscope catheter can be rapidly positioned in a gear meshing mode, and the catheter does not need to be clamped.

This application discloses a signal anti-interference method and an electronic device, and relates to the field of terminals. A system-on-chip (SoC) chip may obtain parameter information (for example, an amplitude of a radio frequency signal, a phase of the radio frequency signal, a waveform of the radio frequency signal and the like) of the radio frequency signal coupled on a mobile industry processor interface (MIPI) signal line. Based on the parameter information of the radio frequency signal, the SoC chip may generate a reverse signal of the radio frequency signal, where the reverse signal is the same as the radio frequency signal in amplitudes (which may also be referred to as amplitude values) and waveforms and opposite in phases. The SoC chip may superimpose the reverse signal with a signal transmitted by the MIPI signal line, to eliminate the radio frequency signal coupled on the MIPI signal line.

An interface circuit has a data recovery circuit, a protocol interface circuit and a controller or processor that can be implemented using a finite state machine. The data recovery circuit may be configured to receive a stream of symbols over three wires of a serial bus according to a high-speed mode defined by a Mobile Industry Processor Interface Alliance C-PHY protocol. The protocol interface circuit may be coupled to an output of the data recovery circuit and configured to receive data from the data recovery circuit. The finite state machine may be configured to cause the data recovery circuit to be disabled when an end of transmission is indicated in a first end-of-transmission signal received from the protocol interface circuit.

The application provides a data transmission method and device, electronic equipment and storage medium, wherein a current frequency of a first clock signal corresponding to a high-speed data transmission mode of a mobile industry processor interface (MIPI) is obtained, and a target frequency of a second clock signal corresponding to a low-power mode of the mobile industry processor interface is determined according to the current frequency of the first clock signal, the target frequency of the second clock signal is greater than a default frequency of the second clock signal, and the mobile industry processor interface is controlled to perform data transmission according to the first clock signal and the second clock signal with the target frequency. The above method enables the mobile industry processor interface to switch between the high-speed data transmission mode and the low-power mode according to the second clock signal with the higher frequency than the default frequency during the data transmission process, thereby saving the time spent on mode switching and achieving the purpose of improving the data transmission efficiency.

The utility model provides a read-write device of an MIPI display interface and an image signal generator. The device comprises an FPGA chip, a first switch and a second switch, the FPGA chip comprises a low-speed transmitter, a receiver, a high-speed transmitter and a controller; the output end of the low-speed transmitter is connected with the first end of the first switch; the output end of the high-speed transmitter is connected with the second end of the first switch; the first end and the third end of the second switch are connected; the second end of the second switch is connected with the input end of the receiver, and the third end of the second switch is used for being connected with an MIPI display interface of external MIPI equipment; the first output end and the second output end of the controller are respectively connected with the control ends of the first switch and the second switch; the first switch is used for controlling the first end and the third end to form a first sending channel or controlling the second end and the third end to form a second sending channel under the control of the controller, and the second switch is used for controlling the first end and the third end to form a third sending channel or controlling the second end and the third end to form a first reading channel under the control of the controller. And data backward reading is realized.

The utility model provides an amplifying circuit for high-speed comparison in an MIPI (Mobile Industry Processor Interface) high-speed interface, which comprises a first amplifying module, the first amplifying module comprises a reverse-phase amplifying circuit, the reverse-phase amplifying circuit comprises an MOS (Metal Oxide Semiconductor) tube M1 and an MOS tube M3, the source electrode of the MOS tube M1 is connected with a first current source I1, the grid electrode of the MOS tube M1 receives a reverse-phase input signal, and the source electrode of the MOS tube M1 is connected with a second current source I2; a resistor R1 is connected in series between the drain electrode of the MOS tube M1 and the drain electrode of the MOS tube M3, the base electrode of the MOS tube M3 is grounded, and the source electrode of the MOS tube M1 outputs a first inversion signal. According to the utility model, the bipolar transistor can be used by the MIPI high-speed interface under low power supply voltage.

The application belongs to the technical field of display, and particularly relates to a display screen refresh frame rate adjustment method and device, a processor, a chip and a terminal. In the embodiment of the application, the working state of a mobile industry processor interface is monitored, and when the working state of the mobile industry processor interface changes, the refresh frame rate of the display screen for image display is adjusted, so that the refresh frame rate of the display screen can be dynamically adjusted according to the working state of the mobile industry processor interface, thereby avoiding the problem of high power consumption of the display screen caused by fixed use of high refresh frame rate for display, and helping to reduce the power consumption of the display screen. Meanwhile, the real-time performance is higher.

This application discloses a signal switching method and apparatus for a Mobile Industry Processor Interface (MIPI) repeater, relating to the field of mobile industry processor interface technology. This method actively triggers repeater initialization. After initialization, the MIPI input signal is then connected, ensuring strict synchronization between the repeater's output LP-HS switching and the input signal. Through register initialization configuration, the repeater can pre-know the relevant parameters and requirements for signal transmission, enabling a rapid response upon signal arrival. Synchronizing the output LP-HS switching with the input signal based on pre-configured parameters ensures no timing deviations or distortions occur during signal transmission. This achieves fast and accurate transmission of MIPI input signals, improving signal transmission quality. Consequently, it effectively avoids signal delay and packet loss, enhancing the overall system performance and stability.

The invention discloses a control method of external equipment, the external equipment, a host and a storage medium, and relates to the technical field of the external equipment, the control method is applied to the external equipment, and the external equipment comprises a wired interface, a video bridging chip, a display module and an operation module. Based on the control instruction of the current display content of the display module, the control instruction is sent to the host through the wired interface; a display port signal fed back by the host after executing the control instruction is converted into a mobile industry processor interface signal based on the video bridging chip; and outputting a display picture corresponding to the interface signal of the mobile industry processor in the display module. The external equipment does not need to be equipped with a high-power-consumption assembly supporting independent operation, so that a high-capacity battery does not need to be arranged to meet the high-power-consumption requirement, the problem of equipment weight increase caused by the high-capacity battery is effectively avoided, and the user experience is improved.

Method for driving a display system at low power with a Mobile Industry Processor Interface. The method of a display driver IC includes: (a) upon receiving a t1-st MIPI sync signal and a t1-st video data, (i) synchronizing the t1-st MIPI sync signal with a t1-st display sync signal, (ii) generating a t1-st display data, and (iii) transmitting the t1-st display sync signal and the t1-st display data to a display panel having in-pixel memory, to store the t1-st display data in in-pixel memories and display a t1-st video image; and (b) in response to receiving a low power drive initiating command, in case a (t1+1)-th MIPI sync signal and a (t1+1)-th video data has not been received, transmitting a (t1+1)-th display sync signal to the display panel having in-pixel memory, to display the t1-st video image corresponding to the t1-st display data stored in the in-pixel memories.

The invention provides a mobile industry processor interface screen configuration method, which is executed in a driving program of terminal equipment, and comprises the following steps: responding to a power-on state of the terminal equipment, and calling a preset interface to obtain a configuration file corresponding to a mobile industry processor interface screen; wherein the configuration file comprises a display time sequence parameter and a basic initialization parameter; when the configuration file is successfully acquired, calling a data analyzer to analyze the configuration file; and when the analysis is successfully completed, initializing the interface screen of the mobile industry processor according to the basic initialization parameters obtained by analysis, and initializing a direct rendering manager according to the display time sequence parameters obtained by analysis. According to the mobile industry processor interface screen configuration method provided by the invention, a user can conveniently modify the screen configuration parameters.

A display apparatus includes: a display panel including a display layer and a touch screen layer; a flexible printed circuit board electrically connected to one side of the display panel; a driving driver on the display panel; a processor on the flexible printed circuit board; and mobile industry processor interface (MIPI) data lanes on the flexible printed circuit board and electrically connecting the processor and the driving driver to each other, wherein each of the MIPI data lanes includes a first access line and a second access line, and in at least one of the MIPI data lanes, a phase of a signal at the first access line and a phase of a signal at the second access line are configured to be different from each other, based on transmission of a low power state (LPS) signal.

A display apparatus includes: a display panel including a display layer and a touch screen layer; a flexible printed circuit board electrically connected to one side of the display panel; a driving driver on the display panel; a processor on the flexible printed circuit board; and mobile industry processor interface (MIPI) data lanes on the flexible printed circuit board and electrically connecting the processor and the driving driver to each other, wherein each of the MIPI data lanes includes a first access line and a second access line, and in at least one of the MIPI data lanes, a phase of a signal at the first access line and a phase of a signal at the second access line are configured to be different from each other, based on transmission of a low power state (LPS) signal.

Communication with more reliable functional safety is disclosed. In one example, a communication device includes a packet generation unit configured to generate a packet having a packet structure in which a Mobile Industry Processor Interface (MIPI) standard is incorporated in a frame defined by Institute of Electrical and Electronics Engineers (IEEE) 1722 that is a communication standard via a network, and a timer configured to acquire a time stamp stored in a packet header of the packet. The technology can be applied to, for example, a communication system connected with an in-vehicle camera.

According to one embodiment, an electronic device may comprise: a communication circuit for performing wireless communication by using a plurality of communication frequency bands; at least one memory including information related to a plurality of mobile industry processor interface (MIPI) frequencies; at least one processor operatively connected to the communication circuit and the memory; and an internal circuit connected to the at least one processor through the MIPI interface. The at least one processor can identify first interference data indicating the amount of interference between each of the plurality of communication frequency bands and each of the MIPI frequencies, identify the weight corresponding to each of the plurality of MIPI frequencies on the basis of a communication parameter related to wireless communication for each of the plurality of communication frequency bands, update the first interference data for each of the MIPI frequencies on the basis of the identified weight, and select, on the basis of the updated first interference data, the MIPI frequency for driving the MIPI interface. Other various embodiments are possible.

The utility model provides a four-screen common display intelligent display mainboard, which comprises a host circuit board and a display screen interface, and is characterized in that the host circuit board comprises an HDMI (High Definition Multimedia Interface) video signal output end and an MIPI (Mobile Industry Processor Interface) video signal output end; vBO video signals of the host circuit board are connected with the VBO interface through the HDMI-VBO conversion circuit, and LVDS video signals of the host circuit board are connected with the LVDS interface through the MIPI-LVDS conversion circuit. According to the utility model, mainstream LVDS, MIPI, HDMI and VBO display interfaces can be supported at the same time only through a single main board, the interface type of the display screen is outputted through corresponding conversion circuits according to two types of signals of MIPI and HDMI, and the interface type of the display screen has the advantages of simple assembly and low assembly cost. And through the function of supporting multiple interfaces, the adaptive capacity of the multi-screen display equipment carrying the mainboard can be improved, so that different requirements are met.

The invention provides a video transmission system and method based on a vehicle-mounted Ethernet, and the system comprises an image sensor which is used for collecting the video data of a monitoring region; the SOC is used for video data processing, coding compression and data sending; the first data link layer PHY1 adopts a gigabit Ethernet PHY chip and is used for receiving the data processed by the SOC module and transmitting the data to the data link layer PHY2; the second data link layer PHY2 adopts a vehicle-mounted Ethernet PHY chip and is used for receiving the data processed by the PHY1 module and transmitting the data to a vehicle-mounted computer through double lines; the connector terminal is used for being connected with a vehicle-mounted computer, transmitting the video information to the vehicle-mounted computer and providing a working power supply for the system; the image sensor and the SOC carry out transmission through an MIPI (Mobile Industry Processor Interface); data transmission is carried out between the SOC and the gigabit Ethernet PHY1 chip in a serial mode. Signal transmission is carried out between the PHY1 chip and the PHY2 chip through an RGMII interface. The purpose of high-speed long-distance transmission of video signals in the vehicle-mounted Ethernet is achieved.

According to one embodiment, an electronic device may include: a communication circuit for performing wireless communication by using a plurality of communication bands; at least one memory including information related to a plurality of mobile industry processor interface (MIPI) frequencies; at least one processor operably connected to the communication circuitry and the memory; and an internal circuit connected to the at least one processor through an MIPI interface. The at least one processor is capable of identifying first interference data indicating an amount of interference between each of the plurality of communication bands and each of the MIPI frequencies, identifying a weight corresponding to each of the plurality of MIPI frequencies based on a communication parameter related to wireless communication for each of the plurality of communication bands, first interference data for each of the MIPI frequencies is updated based on the identified weights, and an MIPI frequency for driving the MIPI interface is selected based on the updated first interference data. Other various embodiments are possible.

The disclosure provides a mobile industry processor interface (MIPI) circuit, a chip and an electronic device. The MIPI interface circuit includes N pins, a path control component, and N interface components. The mode of data transmission in the MIPI is controlled via the path control component, which improves the efficiency and flexibility of data transmission. Moreover, by multiplexing the interface components in the data paths of a display physical layer (DPHY) and a camera physical layer (CPHY), the complexity and cost of the MIPI interface circuit can be reduced, and the scope of application of the MIPI can be expanded.

The present application discloses a configuration method for display configuration parameters and an electronic device, belonging to the field of wireless communication technologies. The configuration method for display configuration parameters includes: monitoring whether the current communication channel of the electronic device is an interference channel corresponding to a first display configuration parameter list of a liquid crystal display module; if it is monitored that the current communication channel of the electronic device is an interference channel, configuring the display configuration parameter list of the liquid crystal display module as a preset second display configuration parameter list; wherein, the multiple frequency points of the second operating frequency of the mobile industry processor interface and the multiple frequency points of the second operating frequency of the crystal oscillator are outside the radio frequency operating band corresponding to the interference channel.

An analog front end (AFE) circuit of a display receiver includes an input pad, a voltage detection circuit, and a switching circuit. The input pad may receive an input signal of a low power mode of a Mobile Industry Processor Interface (MIPI) standard and receive an input signal of a high speed mode of the MIPI standard. Because the voltage levels of the input signals of different modes are different, the voltage detection circuit receives the input signals and generates control signals according to the voltage levels of the input signals. The switching circuit is coupled to the voltage detection circuit, and the switching circuit is located between the input pad and the equalizer circuit. The switching circuit receives an input signal and determines whether to transmit the input signal from the input pad to the equalizer circuit according to a control signal. The control signal comprises two different voltage levels respectively corresponding to a high-speed mode and a low-power mode.