66 results about "Central processing unit" patented technology

The invention discloses a system optimization method and device of ship operation energy efficiency. The method comprises the steps of data acquisition, mathematical model establishment, analysis and calculation, output and execution; namely, acquiring speed over water and speed over ground of the ship, real-time rotating speed and instant oil consumption of ship main engine; when the ship is in much deeper water, establishing a mathematical model between the real-time rotating speed of the ship main engine and the ship speed over water and a mathematical model between the real-time rotating speed of the ship main engine and the instant oil consumption of the ship main engine; analyzing and calculating the mathematical models under different water flow velocities and different main engine rotating speeds to obtain the ship kilometer oil consumption valves of the ship corresponding to different conditions; displaying the ship kilometer oil consumption value and the corresponding main engine rotating speed to guide the operation. The method also includes a ship technical state judging and navigation operating optimizing method. The device comprises a central processer and a memory thereof, a data acquisition equipment, man-machine conversation equipment, output equipment, a power supply unit and the like.

A data processing apparatus is provided which allows easy identification of a correspondence relationship between a trace packet and a performance packet. The data processing apparatus includes: a measurement trigger generation unit that generates a measurement trigger; a performance monitor unit that measures a performance measurement event collected from a central processing unit (CPU) and outputs a measurement value; and a CPU trace unit that generates a trace packet sequence of trace information including an operation record of the CPU. Upon receipt of the measurement trigger, the performance monitor unit starts or ends measurement of performance metrics or outputs the measurement value, while, upon receipt of the measurement trigger, the CPU trace unit generates a trigger packet indicating generation of the measurement trigger and inserts the trigger packet, at a position corresponding to timing with which the measurement trigger is generated, into the trace packet sequence.

A television remote control comprises a signal emitter, a storage and a fingerprint identifier. The storage stores a fingerprint picture file of an authorized user and divides the stored fingerprint picture file into adult fingerprints and children fingerprints. The fingerprint identifier shoots a fingerprint picture of the current user. A central processing unit compares the fingerprint picture of the current user with the fingerprint picture file stored in the storage. When the fingerprint picture of the current user is consistent with any adult fingerprint stored in the storage, the central processing unit sends a first remote control signal to a television through the signal emitter, and a first channel list of the television is controlled to be opened; when the fingerprint picture of the current user is consistent with any children fingerprint stored in the storage, the central processing unit sends a second remote control signal to the television through the signal emitter, and a first channel list of the television is controlled to be opened.

The present invention provides a method and system for scheduling a transaction request to a central processing unit in a computing system (11), comprising polling at least one central processing unit to determine the current load on the least one central processing unit (10), allocating the transaction request to one the at least one central processing unit (12), or if the current load is above a predetermined threshold, delaying execution of the transaction request for a predetermined delay time (14).

The invention discloses a UART (universal asynchronous receiver/transmitter) serial port communication method based on GPIO (general purpose input/output) handshake and EDMA (enhanced direct memory access). According to the method, data migration from transmitting and receiving FIFO of UART to an external data buffer is completed automatically on the basis of an EDMA function, and frequent intervention of CPU (central processing unit) is not needed; a receiving terminal is informed through GPIO handshake signals to receive data packets, and the boundaries of the received data packets can be rapidly distinguished and an address of a next to-be-received data packet can be automatically updated; therefore, the efficiency of communication adopting UART serial ports is greatly improved, frequent interruption to CPU processing is reduced when the UART transmits and receives the data pockets, and the utilization rate of CPU resources can be increased. Meanwhile, according to the scheme, the GPIO signals are utilized to have an appointment with opposite terminal equipment, and convenience produced when the opposite terminal equipment uses the UART for receiving is improved to a certain degree, so that the work efficiency of communication adopting the UART serial ports is improved at the level of the overall system.

This invention discloses an encryption keyboard with dynamic display including the keyboard body linking the external device with many numbers and function keys, in which, the key value display driver circuit linking with CPU and processing dynamic definition and identification on the number keys is set. The number keys are set with display units to dynamically display number key values respectively, and the units connect the keys display driver circuits. The CPU is a SCM, and the driver circuit includes data flip-latch and display encoder. The invention uses the light digital tube to make every bit show a figure, and show different one after each restoration, thus effectively preventing stealing passwords by guessing from button positions.

According to one embodiment, a digital protection relay includes an auxiliary transformer (2) which decreases a voltage of an electrical signal from a main circuit transformer (1) to a predetermined voltage; a detection resistance circuit (20) including a Π-type or T-type circuit including an input connected to an output of the auxiliary transformer (2); an analog detection circuit (3) which is connected to an output of the detection resistance circuit (20) and detects a quantity of electricity of an electrical signal from the auxiliary transformer (2); an A/D conversion circuit (4) connected to the analog detection circuit (3); a central processing device 5 which is connected to the A/D conversion circuit (5) and performs a protection operation; and a trip output contact (9) which is closed by processing of the central processing device (5) and operates an external breaker (21). In the digital protection relay, an input contact terminal 11 for inputting a test signal with a constant voltage from an external test device (13) to the analog detection circuit (3) as a signal corresponding to an output of the auxiliary transformer (2) is provided between the detection resistance circuit (20) and the analog detection circuit (3).

The embodiment of the invention discloses a data packet forwarding system and method. The system comprises exchanger hardware and a CPU (Central Processing Unit) platform. The exchanger hardware is connected with the CPU platform and used for receiving a data packet, judging whether the exchanger hardware is stored with an exchange rule matched with the data packet; if so, the data packet is forwarded according to the exchange rule; otherwise, the data packet is sent to the CPU platform. The CPU platform is used for extracting the application layer information from the data packet, carrying out characteristic matching on the application layer information and an internally configured application layer characteristic, and if the characteristic matching is finished, configuring an exchange rule corresponding to the data packet according to a data packet processing strategy corresponding to the application layer characteristic, writing the exchange rule into the exchanger hardware and transmitting the data packet to the exchanger hardware. By adopting the system provided by the embodiment of the invention, the seven-layer exchange can be realized at quite low cost and with quite high exchange performance.

The invention discloses a hybrid matrix dynamic intelligent EDID (extended display identification data) algorithm. The hybrid matrix dynamic intelligent EDID algorithm includes: (1) enabling a CPU (central processing unit) to read EDID information of display equipment at each output port; (2) according to current video switchover corresponding relation, mixing the EDID information of each same input port and each same output port according to strategies selected by a user; (3) generating a new EDID content, informing signal source equipment at each input port, outputting HPD (hot plug detect) signals after EDID preparation is finished, and enabling signal sources to read mixed EDID contents; (4) enabling signal source equipment to output to obtain video signals with optimal resolution. By the hybrid matrix dynamic intelligent EDID algorithm, the signal source equipment outputs optimal audio and video signals compatible to all display devices, the front-end signal source equipment is capable of reading information of the rear-end display devices, and consequently signal source input equipment is enabled to output high-compatibility signals accordant with HDMI (high-definition multimedia interface) standards.

The invention discloses a gas mass flow rate controller based on double CPUs, which includes a sensor signal processing module, an A/D converter, a valve control circuit module, a first microprocessor, a second microprocessor and so on. The first microprocessor is used for realizing functions like flow rate detection, flow rate display, fault diagnosis and so on; and the second microprocessor is used for performing PID control arithmetic, the output result is used for controlling an electromagnetic valve, and the second microprocessor is also used for realizing functions like communication and so on. The double CPUs finish different works respectively, therefore, the anti-jamming capability is enhanced, and the arithmetic speed is increased.

The invention discloses a head-mounted multifunctional working lamp control system, which comprises a central processor, a pupil tracking module, a ranging module, an actuator module, a light induction module, a brightness control module and a power supply module, wherein according to information provided by the pupil tracking module, the ranging module and the light induction module, the central processor carries out comprehensive processing and outputs control signals to the actuator module, the brightness control module and the power supply module; and the power supply module provides power for the central processor and each module in the system. Accurate light fixed spot irradiation is provided for a worker in need of lighting in different environments, the lamp brightness is changed according to the light changes in the environment, and the best lighting effects are thus achieved.

The invention discloses a method for automatically setting a schedule through a short message by a mobile terminal. The method comprises the steps that the short message is received by a short message module of the mobile terminal and displayed on a display screen; the date, time and an addresser number in the content of the short message are searched for by a microprocessor; if the content of the short message contains the date and the time, the date, the time and the addresser number in the content of the short message are sent to a central processing unit; the date, the time and the addresser number in the content of the short message are matched with a date format, a time format and a reserved addresser number by the central processing unit; if the date, the time and the addresser number in the content of the short message are successfully matched with the date format, the time format and the reserved addresser number, schedule content is set through a schedule setting module and stored in a schedule manager, and when reminding time is up, a user is reminded by a schedule reminding module. The method for automatically setting the schedule through the short message by the mobile terminal is simple in operation, efficient and capable of overcoming the defects of an existing mobile terminal.

A multitask processor comprises a serial-channel multitask processor and a reset unit, of which the serial-channel multitask processor is used to connect system having a central processing unit a serial-channel control unit with multiple serial-channel component, the reset unit is connected with the central processing unit and the serial-channel multitask processor. A signal is sent by the serial-channel control unit to the central processing unit for sending a cut-off signal to the reset unit when the connection of serial-channel component, multitask processor and control unit is cut off, and a reset signal is sent by the reset unit to the serial-channel multitask processor to make connection of serial-channel multitask processor, normal serial-channel component and control unit recovered.

The invention discloses a safety reminding device for preventing a driver from falling asleep and being poisoned in a vehicle. The safety reminding device is characterized in that the safety reminding device comprises a power supply module, a speed detection module, a central processing unit, a pressure sensor arranged below a driver seat, a wireless communication module, a temperature detection module, a carbon monoxide sensor, a GPS module, and a telephone module; and the central processing unit comprises a judgment unit, an image processing unit, an early warning unit, a receiving unit, a storage unit and a comparison unit. The safety reminding device can remind the driver in time so that the driver can be prevented from being poisoned; a help telephone number is set, and when the driver asks a police station or a rescue mechanism for help, rescue workers can find the trapped driver and rescue the trapped driver in the shortest time according to positioning of the GPS module after receiving a recording telephone alarm; and the safety reminding device is simple, easy to use, complex in structure and low in cost.

The invention discloses an intelligent comb based on WiFi connection. A camera is arranged in an installation hole of the camera, the camera is connected with a central processing system, data such aspictures and videos are collected by the camera, then the collected data such as the pictures and the videos are sent to the central processing system, the central processing system analyzes the data, then the data are sent to a cloud server by the central processing system, the cloud server carries on algorithm analysis on the pictures to obtain the analysis result, and sends the analysis resultto a mobile terminal, and people can view own hair and scalp information through the mobile terminal. According to the intelligent comb based on WiFi connection, the scalp can be detected, the intelligent comb can accurately provide people with own hair and scalp conditions in real time, and provide professional guidance for people, at the same time, steel balls of the intelligent comb can realize the massage function which can relax the scalp and promote the blood circulation of the scalp, and the function of maintenance is achieved.

The invention provides a touch-type transparent input device, which includes a touch screen, a transparent display module electrically connected with the touch screen, a central processing unit, a touch screen controller and a display module controller, the transparent display module Group settings are located below the touch screen. The transparent display module is provided with at least one switch key, and the central processing unit switches the working mode of the touch-type transparent input device to one of the input mode and the display mode according to the control signal of the switch key; The module controller controls the display module to display the image corresponding to the working mode; under the image display of the display module, the touch screen controller judges the position touched by the user or the input track, and compares the position or the input The information signal corresponding to the trajectory is sent to the central processing unit. The touch-type transparent input device of the present invention has various functions, and the whole is transparent and has a decorative effect.

The invention discloses a switch loop detection method and device. The method comprises the steps: sending, by a port, a first link layer discovery protocol message with first switch equipment information to a network; receiving all data messages from the network through the port and forwarding the data messages to the central processing unit; screening out a second link layer discovery protocol message from all the data messages; copying the second link layer discovery protocol message by using an auxiliary mirroring function of the access control list so as to transmit the second link layerdiscovery protocol message to the baseboard management controller; analyzing, bythe baseboard management controller, the second link layer discovery protocol message to extract second switch equipmentinformation; and determining the switch to be connected to the loop in response to the first switch device information matching the second switch device information. According to the invention, the network bandwidth overhead can be reduced when the loop is detected, the traffic storm is avoided, and the burden of the CPU is reduced.

The invention relates to an interactive controller comprising a central processing unit, a graphic processing unit, a video processing unit, a RAM (random access memory) controller, a non-easy-to-lose type storage controller, a video output module, a general I/O (input/output) interface, a network module and a video input module which are respectively connected with a module interconnection unit, the RAM controller is in RAM connection with a random access storage device, and a non-easy-to-lose type storage is connected with the non-easy-to-lose type storage controller; the video input module is used for video output interface of wired or wireless connection of operating terminals, and the video output module is used for video input interface of wired or wireless connection of display terminals and the operating terminals. Through the interactive controller, the operating terminals can access to a system in a wired or wireless manner, the existing intelligent terminals with computer functions can be adopted as the operating terminals, and users can demonstrate interactive operation in the whole area.

The application discloses a control method for a media player of an open-type operation system and a media player. The method comprises that when the media player gets ready to play a media file, a user interface event processing thread and a user interface event queue are created, and the user interface event processing thread is started; when a user interface operation is received, a use interface event corresponding to the user interface operation is written in the user interface event queue; and the user interface event processing thread sequentially reads user interface events in the user interface event queue, and operations corresponding to the user interface events are executed. With the abovementioned scheme, the utilization efficiency of a central processor unit (CPU) is improved, and play errors are effectively reduced.

A telemetry base receives signals from at least one telemeter implanted in at least one animal. The base includes the following: a. a plurality of antennae to receive radiofrequency (RF) signals from the telemeter(s); b. a plurality of multiplexers connected to the antennae to increase the RF signal strength; c. at least one receiver circuit capable of processing RF signals from the antennae into electrical impulses; d. a central processing unit (CPU) to receive and process the electrical impulses into at least one parameter such as temperature; e. at least one digital address bus connected to the CPU and the multiplexer to select the antenna based on the best signal integrity of the antenna; f. a display to show the current parameters from the telemeters for analysis by the operator; and g. at least one analog-to-digital interface for receiving data from other external sensors.