96 results about "EEPROM" patented technology

The invention discloses an integrated galvanometer laser projection method and an integrated galvanometer laser control device. The integrated galvanometer laser projection method comprises the steps that 1, a control card stores various data in a classified mode; when an upper computer issues a system parameter instruction, a communication interface is automatically switched according to a communication mode of the upper computer, and instruction data is analyzed and stored in an EEPROM (Electrically Erasable Programmable Read-Only Memory); 2, after the upper computer issues an instruction, the control card cooperatively controls the on-off state of the laser light source and the deflection angle of the laser galvanometer, and the position and the focal length of the lens are adjusted; 3, positioning an instruction according to a target point of the upper computer; the control card cooperatively controls the laser and the galvanometer to coarsely position the center of the target; and performing fine positioning on the center of the target by taking the target point obtained by coarse positioning as an initial reference position. The integrated galvanometer laser control device has the advantages that the environmental adaptability, the control precision and the operation convenience of the integrated galvanometer laser control device are remarkably improved.

The invention relates to an SPD hub chip testing method and device, equipment and a storage medium. The method comprises the steps that if it is determined that a to-be-tested SPD hub chip is placed in a replaceable limiting frame of a test seat and communication connection is established with an upper computer, target environment parameters are set, the to-be-tested SPD hub chip is initialized, the upper computer is in communication connection with the test seat, preset test data are written into an EEPROM of the SPD hub chip based on the target environment parameters, then read-back comparison is carried out, and the to-be-tested SPD hub chip is initialized; the static verification data is used for judging the static storage reliability of the to-be-tested SPD hub chip in the current environment, executing continuous read-write operation on the to-be-tested SPD hub chip to obtain a dynamic pressure test data set, and generating a test result of the to-be-tested SPD hub chip based on the static verification data and the dynamic pressure test data set.

The invention relates to a frame format online reconstruction system and method based on an FPGA (Field Programmable Gate Array) external memory, belongs to the technical field of carrier rockets, and solves the problems of long development period and code compatibility of single-task software. The system comprises a TOP module, a RESET function module, an MLVDS communication function module, an EEPROM storage function module and a frame format reconstruction function module, the EEPROM storage function module is used for performing write operation on configuration parameters sent by a main module according to function division of a storage space and solidifying the configuration parameters in an EEPROM, and after power-off restart reset is finished, the EEPROM storage function module is used for performing write operation on the configuration parameters sent by the main module. Reading operation is executed on the EEPROM, and read configuration parameters are distributed to a frame format reconstruction module according to functional area division; and the frame format reconstruction function module is used for executing reconstruction logic operation of the frame format. By means of the system, productization and generalization design of multi-task model software is achieved, and the software reuse rate is remarkably increased.

The utility model discloses a hydrogenation gas pressure monitor which comprises a microcontroller circuit, and the microcontroller circuit is connected with a power supply circuit, an NBIoT wireless communication circuit, an inlet pressure detection circuit, an outlet pressure detection circuit, a FLASH storage circuit, an EEPROM storage circuit and a screen display circuit. The inlet pressure detection circuit and the outlet pressure detection circuit can immediately report abnormal data in front of and behind the gas pipeline valve to the management platform through the NBIoT wireless communication circuit when pressure values in front of and behind the gas pipeline valve are detected and the pressure is abnormal, the management platform is provided with a data model, pipe network states under different pressure conditions can be identified, and the management platform is convenient to use. And issuing different pressure alarm strategies and parameters. And the platform analyzes and predicts the pressure change of the hydrogenation gas in the pipeline so as to optimize the operation and improve the efficiency, and the technical problems of complicated hardware equipment and wiring and low monitoring efficiency of the gas pressure monitor in the prior art are solved.

This invention relates to the field of projection equipment technology, specifically providing a temperature-adaptive color correction system and method for DLP projection equipment. The system includes an optical temperature monitoring module comprising four temperature sensors for temperature monitoring; a main control processing module using a microcontroller as the core processor, comprising four ADC channels for color compensation calculation; and an execution drive module comprising a first subunit (RGB laser driver circuit connected to the microcontroller), a second subunit (multi-zone fan control circuit), and a third subunit (power management circuit) for heat dissipation control. The microcontroller is connected to an EEPROM memory chip via an I²C bus. A heat dissipation structure module includes four axial fans and corresponding air ducts for each fan. Multiple temperature sensors are placed on key optical components such as the RGB laser and DMD chip to monitor the actual operating temperature of each area in real time.

The invention relates to an anti-counterfeiting method and device for bottled liquid. The device is placed in bottled liquid and cannot be taken out on the premise that the bottle is not damaged, the air bag is arranged at one end of the device, the balancing weight is arranged at the other end of the device, the gravity center of the device is lower, and the vertical posture that the air bag is located above the balancing weight is kept below the balancing weight all the time when the device is immersed in the liquid; due to the fact that the buoyancy borne by the device is greatly reduced, the posture of the device becomes toppling, and it is indicated that original liquid is taken out. The gyroscope is used for monitoring the included angle between the central axis of the device and the vertical line of the horizontal plane so as to judge whether the posture is a vertical posture or a toppling posture, and a signal is sent to the processing chip and stored in an EEPROM (Electrically Erasable Programmable Read-Only Memory). When an inquirer scans or quickly shakes the bottle by using functions such as mobile phone NFC (Near Field Communication), the processing chip reads data in the storage unit and notifies the signal generator to send out a corresponding signal according to the data to indicate whether the liquid in the bottle is original or not.

The invention provides a method and a device for outputting single fixed resolution by a VGA (Video Graphics Array) interface of a domestic platform, and belongs to the technical field of circuits. The method comprises the following steps: storing EDID information corresponding to a preset single fixed resolution in an independent EEPROM (Electrically Erasable Programmable Read-Only Memory); the EDID information in the EEPROM is read through an IIC channel of a VGA interface of the processor; configuring a graphics card register according to the EDID information, and outputting a single fixed-resolution VGA video signal corresponding to the EDID information; the display receives and displays the VGA video signal, and only displays the single fixed resolution in a system graphical interface or a terminal command tool. According to the invention, the use requirement of VGA output single fixed resolution is met, and the use safety and reliability are improved.

The application discloses a kind of new battery management systems applied to A00 grade new energy electric vehicle new type, including main control daughter board and MOS daughter board, the MOS daughter board is fixed on assembly support, the main control daughter board is fixed on MOS daughter board by copper stud, the main control daughter board is constituted by AFE chip, MCU module, power module, CAN module, wake-up module, EEPROM module and FLASH module, the MOS daughter board is constituted by charging MOS, discharging MOS, shunt, DCDC pre-charging MOS, DCDC MOS and heating MOS;The application is under the monitoring of high-power management system, the whole vehicle DCDC module continuously outputs 12V low-voltage power supply to central control platform, reduces battery pack cost, integrates the traditional PDU function in battery pack to management system, simultaneously reduces the assembly complexity of battery pack, improves the whole vehicle safety, built-in power battery output short-circuit protection function, can prevent the whole vehicle safety hazard caused by external short circuit.

A handheld wireless microphone body may be connected to an assortment of microphone heads, where minor variations in the frequency response of microphone heads from one to the next are accounted for using compensation filters based on unique calibration data collected as part of the manufacturing process. Multiple reference microphone heads, which may be different make and model, can be used to collect different sets of calibration data specific for each make and model. One or more unique sets of calibration data for each microphone head, or data enabling access to the calibration data, may be embedded into EEPROM on the microphone head.

The application provides a multifunctional test chip and method based on a PXI architecture, and relates to the technical field of test chips; the chip comprises a bus interface, a functional module group and an address controller; the bus interface interacts with an upper computer through a PXI bus; the functional module group comprises pulse sending, detection, analog quantity acquisition / output, serial communication, a storage controller and a temperature acquisition module, and can realize pulse signal transceiving, analog quantity processing, serial communication, data storage and temperature acquisition; the address controller divides an address space into eight subspaces, and precise control is realized. The control method comprises the steps of initializing an interface circuit, executing pulse sending and detection, analog quantity output and acquisition, EEPROM operation, UART communication and temperature acquisition and the like. The application integrates special modules, replaces traditional FPGA design, improves performance and reliability, reduces resource waste, reduces cost, shortens the development cycle, and is suitable for complex test scenes such as spaceflight measurement and control.

The invention discloses an EEPROM (Electrically Erasable Programmable Read-Only Memory) unit and a using method thereof The unit comprises a first subunit and a second subunit which are complementary, each of the first subunit and the second subunit comprises a substrate, and a first drain electrode, a source electrode and a second drain electrode are spaced from each other and formed on the substrate; a first channel is arranged between the first drain electrode and the source electrode, a first floating gate and a first selection gate are arranged above the first channel, a first control gate is arranged above the first floating gate, a first matching part is arranged in the first floating gate, and the first selection gate is provided with a second matching part matched with the first matching part; an electron migration path is formed between the first floating gate and the first selection gate; when the erasing operation is carried out, the first subunit and the second subunit are set to be in a first state; and when the programming operation is carried out, the first subunit or the second subunit is set to be in the second state, so that the states of the first subunit and the second subunit are different. The EEPROM unit provided by the invention has relatively high reliability.

The invention discloses a log storage method based on a vehicle machine MCU and related equipment, and relates to the technical field of data processing, and the method comprises the steps: responding to a log storage instruction, obtaining multi-source log data, based on a preset heartbeat mechanism, checking the working state of an SOC, the heartbeat mechanism is constructed based on the SOC and the MCU, and if the working state is normal, the multi-source log data is stored in the multi-source log data, and if the working state is normal, the multi-source log data is stored in the multi-source log data; sending the multi-source log data to the SOC, so that the SOC executes a data storage operation; and if the working state is abnormal, storing the multi-source log data in an EEP space of the MCU. Based on the characteristics of high capacity of the SOC and good stability of the MCU, the data is preferentially stored in the SOC, and further, by combining with a heartbeat mechanism, when the SOC works abnormally or is unstable, the storage path is dynamically adjusted, so that all log data can be completely and stably stored.

The utility model discloses an optical modem rod which comprises an ONU chip, an optical chip, an optical assembly and a golden finger, the ONU chip is respectively connected with the optical chip and the golden finger, the optical assembly is connected with the optical chip, and the optical assembly comprises an optical transmitting assembly and an optical receiving assembly. According to the optical modem rod, the MAC address is written into the EEPROM of the optical chip, large-scale operation of production personnel is facilitated, and the anti-shoveling plate technology is formed by using the fixed first three bytes of the MAC address of a manufacturer.

A pluggable communication module (200) includes a circuit card (250) having a substrate (258) with an edge (252). The pluggable communication module includes an EEPROM device (300) having a power supply pin (312), a serial data pin (314), a serial clock pin (316), a ground pin (318), and a write control pin (320) for programming the EEPROM device. The pluggable communication module includes a contact pad region (262) near the edge having a signal pad (264), a ground pad (266), a power pad, a serial data pad (270), a serial clock pad (272), and a write pad (280). The write pad is located at a programming depth of the circuit card edge in front of the signal pad to mate the write pad to the receptacle connector (112) without mating the signal pad to the receptacle connector.

The utility model relates to a TFDS laser light source emission power detection device, and specifically relates to a TFDS laser power rapid display device comprising a housing, a circuit board, a thermopile sensor, an OLED display screen, a function and power supply button module and a battery, the circuit board is provided with a master control MCU, an electric quantity and power supply conversion module, a charging and data serial port module and an EEPROM module, the OLED display screen and the function and power key module are fixedly installed on the shell, the thermopile sensor and the battery are fixedly installed in the shell, and the thermopile sensor, the OLED display screen, the function and power key module, the charging and data serial port module and the EEPROM module are connected with the main control MCU; an optical fiber head is fixed on the shell; and the thermopile sensor is contacted with the optical fiber head. The device is used for detecting the transmitting power of a laser light source, can be used for detecting in dynamic monitoring workshops, teams and TFDS detection stations, and can improve the detection coverage range of a TFDS system.

The application discloses a reliable data read-write method and system based on EEPROM. A continuous N-byte address space is allocated in the EEPROM as a data storage interval for data storage. In the N-byte data storage area, (M-1) data packets are stored, wherein N is an integer multiple of 4. When reading data, adjacent storage sequence numbers in the N bytes are read in sequence according to the address sequence. If the next storage sequence number read is not continuously increased after the modulo (M+1) operation on the current storage sequence number, the current data is determined to be the latest data. The true value of the read data is determined by using a voting method among the original code, the inverse code and the exclusive or code of the stored data. The application solves the problems of low storage efficiency and poor error recovery capability in the prior art through the cyclic storage and data voting mechanism, prolongs the service life of the EEPROM and improves the reliability of data read-write.

A rotary electromagnetically controlled resistance device not only installs a high-precision sensor module in the resistance device only, but also writes integrated 3-parameter actual measured data (speed, torque and current) into an EEPROM of the sensor module and installs the EEPROM in the resistance device. Software and hardware of a controller are installed externally, such that a signal cable of the sensor module can be passed through the rotary resistance device and connected to the external controller. Therefore, this invention can overcome the issue of setting the controller in the resistance device in the related art, and the resistance device can be developed independently and completely without being limited by the controller to greatly improve the flexibility in mass production and maintenance of the resistance device, while the high-precision 3-parameter real measured data can be moved and kept together with the resistance device to achieve a long-term high-precision effect.

This invention belongs to the field of embedded system data storage technology, and particularly relates to a method for polling and reading / writing data based on fine-grained management of EEPROM memory. It includes finely dividing the EEPROM storage area into a data access area and a data storage backup area; creating a unique access interface, configuring the data access area as the smallest erase / write unit, and isolating the user from the data storage backup area; further dividing the data storage backup area into multiple block-shaped memory, with each block serving as the actual EEPROM memory; monitoring the block-shaped memory, recording its actual usage, and categorizing it into high-frequency usage areas, low-frequency usage areas, and damaged areas; and polling for data reading and storage, prioritizing the use of low-frequency block-shaped memory areas during data writing. This invention can significantly extend the erase / write cycles and lifespan of the EEPROM while ensuring data security and reliability.

Provided are an electrically operated valve control device capable of reliably determining whether valve opening information stored in an EEPROM is correct or not and capable of improving reliability, and an electrically operated valve device provided with the electrically operated valve control device. An abnormality termination flag is set in an EEPROM (11e), which is a non-volatile storage unit, and the abnormality termination flag is cleared from the EEPROM (11e) when a power supply of an electrically operated valve (9) is cut off or when the electrically operated valve (9) is shifted to a sleep mode.

The application discloses an EEPROM-like control method, an EEPROM-like control device and an electronic device. The EEPROM-like control method comprises the following steps: receiving a read-write instruction of an EEPROM-like device; reading data of a first access segment in which a target address is located from the EEPROM-like device and storing the data into a corresponding address space in a mirror memory, wherein the first access segment contains the target address and a plurality of access addresses continuous to the target address, the first access segment=N*the minimum access address unit of the EEPROM-like device, and N is an integer greater than or equal to 1; and operating data in the address space in the mirror memory according to the read-write instruction. The EEPROM-like control method can realize automatic read-write-erase control processing of the EEPROM-like device and improve data read-write efficiency.

The invention relates to an EMB electronic mechanical braking system and method based on information storage and software and hardware information encryption. The system comprises a braking execution module which automatically activates or releases parking braking; the data communication module supports standard or extended frame transmission, each path is compatible with CANFD, and more Buffer data exist; the motor control module adopts an integrated pre-drive and high-precision angle sensor to realize three-path half-bridge current acquisition and multi-algorithm control; the information storage module stores braking data and fault information through an external EEPROM. And the information encryption module encrypts and protects data by means of a hardware encryption chip and an AES-128-CMAC algorithm. According to the EMB electronic mechanical braking system and method based on information storage and software and hardware information encryption, through comprehensive technical means such as pure electric driving, modular design structure optimization and software and hardware dual encryption information security guaranteeing, the risk of brake fluid leakage can be effectively eliminated, the maintenance cost can be reduced, the braking delay can be shortened, the GB44495-2024 requirement can be met, and the application prospect is wide. The device is suitable for 12V / 24V vehicles, and a safe and efficient scheme is provided.

A connection for a humidification system is disclosed, the humidification system including a heater base, a humidification chamber, and a breathing circuit. A cradle is removably coupled to the heater base. The cradle includes various sensors, probes, sensor wire connectors, heater wire connectors, and / or other features. The cradle can include features configured to mate with corresponding features on the humidification chamber and the heater base. The cradle includes a memory, such as an EEPROM, or other suitable storage device. When the cradle is seated on the heater base, the memory is electrically connected to the processor and / or memory of the heater base. Different cradle models can be produced for use with different humidification chambers, breathing circuits, and / or therapies. A connector can be configured to connect an inspiratory conduit to a gas outlet port of the humidification chamber. The connector can provide a pneumatic connection to the gas outlet port and an electrical connection to the cradle.

The invention relates to a parameter power-off recovery method, system and device for a sleep respirator and a medium, and the method comprises the steps: identifying whether the sleep respirator has abnormal power-off or not through status bit verification, and introducing a timestamp comparison logic of large-capacity SD card backup and EEPROM storage and a multi-verification mechanism cooperative judgment strategy. The latest and complete treatment parameter data can be accurately selected when the equipment is electrified and initialized each time, so that the parameter recovery reliability of the sleep breathing machine in an abnormal power failure or data damage scene is effectively improved, the data loss risk caused by a fault of a single storage medium is avoided, and the system stability and the treatment continuity are remarkably enhanced; especially in medical equipment running for a long time, data consistency and recovery accuracy are crucial.

The invention relates to an electric energy meter verification assembly line identity binding method and a system thereof, and aims to solve the problems of easy conflict and poor traceability under high concurrency in a traditional mode, the method and the system thereof comprise the following steps: obtaining physical identification information, a timestamp, a station and a random disturbance vector of an electric energy meter, and generating an initial state vector; the method comprises the following steps of: mapping a dynamic state migration path vector into a dynamic state migration path vector through a specific function, writing the dynamic state migration path vector into a scheduling chain table, selecting candidate electric energy meters by a system according to priority scores, pre-judging conflicts through Hash similarity and a station distance, suspending a low-priority table to avoid risks, finally generating data fingerprints, writing the data fingerprints into an EEPROM (Electrically Erasable Programmable Read-Only Memory), and the binding version tree is combined to realize full-process safety tracing, so that the reliability, the efficiency and the safety of the binding process are remarkably improved.

The utility model discloses an 800G OSFP DAC realizing a Reset function based on a comparator, which belongs to the technical field of integrated circuit design and comprises a low-speed pin Reset on a golden finger, a comparator chip, an EEPROM chip and an external adjustment evaluation board connected with the golden finger and providing low level for the low-speed pin Reset. The low-speed pin Reset is connected in parallel with the upper resistor and the lower resistor, is connected to the positive electrode of the input pin of the comparator chip, compares the reference voltage of the negative electrode of the input pin with the reference voltage of the output level EVCC, and then is connected to the EEPROM chip. According to the scheme, a new Reset function design circuit is provided, the connection mode has the advantages of being convenient to operate and reducing cost, and meanwhile long-term stability and reliability of products are guaranteed.

A control unit includes at least one electrically erasable programmable read-only memory (EEPROM) configured to store data. The control unit also includes a standby random access memory (RAM) configured to store encrypted data that encrypts a value corresponding to the data with a roll-back key. The control unit additionally includes a control circuit configured to decrypt the encrypted data with the roll-back key to generate decrypted data and roll back the data using the decrypted data.

The invention discloses an EEPROM (Electrically Erasable Programmable Read-Only Memory) intelligent management simulation method, device and equipment and a storage medium, and the method comprises the following steps: dividing a Flash memory into a data storage area and a backup data storage area, and constructing a data index structure and a data storage structure; during power-on initialization, a data reading source is determined according to the backup area state of the backup data storage area, and latest valid data is analyzed; when it is detected that the target write-in data is written in, data change is judged through CRC verification, and overflow is processed; the method comprises the following steps: automatically switching to a next erasable area when a write-in exception is detected, optimizing the erasable area according to the data length of target write-in data and a Flash minimum erasure unit, dynamically adjusting a write-in strategy, and reducing the erasure times caused by frequent write-in, thereby prolonging the service life of the Flash memory, improving the response speed of the Flash memory, and improving the reliability of the Flash memory. And the stability and the efficiency of simulating EEPROM intelligent management are improved.

The invention discloses an EEPROM (Electrically Erasable Programmable Read-Only Memory) chip driving method and device, and the EEPROM chip driving method comprises the following steps: determining a read / write / query process action sequence array: extracting a basic time sequence action from original driving time sequence actions for driving an EEPROM chip as a basic instruction; combining the plurality of basic instructions as a combined instruction; according to the read / write / query process of the EEPROM chip, the EEPROM chip is decomposed into a read process action sequence array, a write process action sequence array and a query process action sequence array which respectively comprise a plurality of combined instructions; according to the different process action sequence arrays, corresponding driving programs are formed and used for driving the EEPROM chip. According to the EEPROM chip driving method, code maintenance is facilitated, program readability is improved, timing of actions and timing sequences is distinguished, and the execution speed and sequence of the actions are easily adjusted according to different chips.

The utility model discloses an intelligent energy-saving control device for an optical module. The intelligent energy-saving control device comprises an MCU control module, a DC-DC voltage conversion module, a clock and data recovery CDR module and a current monitoring module, wherein the MCU control module is connected with the DC-DC module, the clock and data recovery CDR module and the current monitoring module, and is mainly used for monitoring the state of the CDR module, adjusting and monitoring the output voltage of the DC-DC voltage conversion module, controlling the clock and data recovery CDR module, and storing temperature and power consumption state bit values in an EEPROM (Electrically Erasable Programmable Read-Only Memory) area; the DC-DC voltage conversion module is connected with the clock and data recovery CDR module and is mainly used for adjusting the input voltage of the clock and data recovery CDR module; the current monitoring module is connected with the DC-DC voltage conversion module and is mainly used for monitoring the power supply current of the module. According to the intelligent energy-saving device, data of each module can be read through the MCU, and voltage and current of the device can be adjusted for energy-saving control.

The invention discloses a marine battery charging guiding device based on a national standard direct current charging pile, and belongs to the technical field of ship direct current charging. Comprising an MCU, and an isolation type RS485 communication chip, an optocoupler isolation type DI control interface, a relay isolation type DO control interface, a charging pile control interface and an EEPROM which are connected with the MCU, a first path of the isolation type RS485 communication chip is used as a communication interface of a BMS, and a second path of the isolation type RS485 communication chip is used as a communication interface of an external control system. The optocoupler isolation type DI control interface corresponds to charging allowing, equipment resetting and self-defining functions, the relay isolation type DO control interface corresponds to a charging gun access state, a charging state, a charging pile alarm and a BMS alarm, and the charging pile control interface comprises a CAN interface and a CC2 interface. The direct-current charging pile has the advantages that charging guiding can be conducted on the direct-current charging pile, the external control interface is arranged, and an external control system is allowed to effectively control the whole battery charging process.