173results about "Setting time indication" patented technology

The invention relates to the technical field of electronic timer calibration, in particular to an ammeter clock intelligent calibration method and system based on multi-modal fusion, and the method comprises the steps: firstly obtaining ammeter clock voltage and environment data, carrying out the preprocessing, and generating an instantaneous disturbance sequence and a steady-state voltage time sequence; respectively calculating a voltage chronic influence factor, a voltage acute influence factor and an environment acceleration factor; determining the influence coefficient of each factor through historical data regression of similar ammeters, carrying out fusion calculation on total life loss, and carrying out iteration to generate a dynamic correction period adaptive to individual damage; and finally, constructing a same-batch and same-environment electric meter reference group, screening similar clusters through clustering, comparing corrected time consistency, judging unconventional abnormity, and outputting a targeted calibration strategy. According to the method, the multi-dimensional error factors are quantified through multi-modal fusion, the differentiation model is constructed, the dynamic correction period is generated through iteration, the traditional fixed period calibration defect is overcome, and the long-term timing precision stability of the electric meter is improved.

The invention provides an electric energy meter clock error calibration system and calibration method. The method comprises the steps of presetting a control time table of a high and low temperature box and at least two automatic trimming schemes; the upper computer adjusts the temperature of the high-low temperature box according to the control time table; switching the connected meter numbers through a clock signal relay, obtaining a daily timing error message of each meter number in each round of test, and analyzing to obtain PPM and S / D data; carrying out mean value calculation on all PPM and all S / D data obtained by each meter number in each round of test, and obtaining a clock error value comprising a PPM mean value and an S / D mean value; after each round of test is finished, according to a clock error value corresponding to the meter number, assembling to obtain an RTC trimming frame according to the selected automatic trimming scheme, and sending the RTC trimming frame; and verifying an RTC trimming result. According to the invention, full-automatic test trimming can be realized, and the efficiency and precision of test and calibration are significantly improved.

The invention provides a clock adjusting method, a clock and electronic equipment, and the method comprises the steps: monitoring an actual value of spectrum data of a target clock; calculating an expected value of the wave spectrum data according to the transmitting power of a target clock corresponding to the actual value on the basis of a predetermined current relationship between the wave spectrum data and the transmitting power; based on the actual value and the expected value, whether deviation exists in the spectrum data of the target clock is judged; if the deviation exists, updating the relationship between the wave spectrum data and the transmitting power based on the actual value of the wave spectrum data and the transmitting power corresponding to the actual value, and obtaining the current relationship between the updated wave spectrum data and the transmitting power; and adjusting the transmitting power of the target clock based on the current relationship between the updated spectrum data and the transmitting power. Through the method, the stability of the clock can be improved.

The invention relates to the technical field of traffic signal lamps, and discloses a mobile traffic signal lamp with an intelligent network connection function, which comprises a traffic signal lamp module and a control system which are mutually connected, and is characterized in that the traffic signal lamp module comprises a traffic signal lamp body, a camera, a solar charging panel and a storage battery; the camera and the solar charging panel are installed on the traffic signal lamp body, and the storage battery is installed in the traffic signal lamp body. The control system comprises a signal control machine, a channel driver, a cloud platform and a charging controller, the signal control machine is connected with the cloud platform and the channel driver, the channel driver is connected with the traffic signal lamp body, the charging controller is connected with the solar charging panel and the storage battery, and the charging controller is used for controlling the solar charging panel to charge the storage battery. According to the invention, through the intelligent network connection technology, remote monitoring and control of the traffic signal lamp module are realized, and the efficiency and flexibility of traffic management are improved.

The invention relates to a local clock calibration method and a time synchronization signal channel expansion system, a timed device receives a PPS signal transmitted by a channel expansion device, and the method comprises the following steps: based on a received PPS output signal, measuring and determining a period deviation y of a local clock of the timed device relative to a standard time; dynamically generating a correction step z and a correction interval b based on the period deviation y according to an allowable error threshold value Q; and in the next time service period, taking the calibration time interval b as a period, and utilizing the calibration step z to carry out multiple times of incremental adjustment on a local calibratable time counter, so that the timing of the local calibratable time counter is close to the standard time. According to the invention, the problem of one-to-many signal distribution can be solved with low cost and high reliability, and a time service algorithm which is low in calculation overhead and easy to transplant and deploy on MCUs with various performance levels can be realized.

The invention relates to the technical field of watch calibration, in particular to a watch accurate timing error calibration method and system. By monitoring a plurality of temperature data in the operation state and calculating the average temperature, the system can dynamically correct the influence of the temperature on the frequency according to the temperature compensation coefficient, the precision error caused by temperature change is avoided, and the accuracy of the system is improved by collecting the acceleration data and calculating the acceleration influence coefficient. The watch can dynamically adjust the influence of motion on timing errors and keep accurate time, and can monitor and correct the time errors in real time through built-in sensors such as the swing fluctuation rate of the balance wheel and the angular velocity of the gyroscope, so that the watch can dynamically adjust time calibration according to environment changes and motion states, and the accuracy of timing is improved. According to the technical scheme, the timing error of the watch can be compensated and calibrated more comprehensively instead of depending on a GPS signal, and the calibration mode enables the watch to be adjusted carefully according to the running state of the watch and the environment change, so that the overall accuracy of the watch is improved.

The invention is suitable for the technical field of intelligent electric energy meters, and relates to an electric energy meter clock calibration system and method, and the system comprises an external clock module which is used for transmitting a second pulse signal to a microcontroller; the built-in clock module is used for providing real-time clock and calendar functions and automatic leap year adjustment, supporting an alarm clock and a periodic terminal, and realizing a built-in hard clock through an external crystal; the internal soft clock module is used for periodically triggering a timer terminal and synchronizing pulse per second of an external clock after accumulating a certain number of times; and the internal and external clock automatic switching module is used for switching to the internal clock module when the external clock module breaks down and synchronizing the internal soft clock module so as to ensure the accuracy of the clock. The electric energy meter clock is simple in structure and convenient to operate, and the accuracy and reliability of operation of the electric energy meter clock are effectively improved.

A method, device, computer equipment and storage medium for GNSS time synchronization are disclosed. The method includes: receiving data packet of NMEA protocol, reading a valid UTC time from data packet of NMEA protocol, and storing the read valid UTC time in a time synchronization controller; receiving PPS signal, capturing a local time output by local clock when PPS signal is generated, and storing the local time in the time synchronization controller; reading a last local time stored before the current local time and reading the stored latest UTC time as a UTC time corresponding to the last local time when the time synchronization controller receives the current local time; and determining, by the time synchronization controller, a local time correction amount according to the last local time and the UTC time corresponding to the last local time, and correcting the local clock according to the local time correction amount.

The present invention provides a communication method that uses a cryptographic key and that is capable of performing time synchronization with high accuracy and preventing tampering.　In the communication method, a terminal (3) at an exchange, a plurality of relay stations (9a, 9b, 9c), and a terminal (11) of a transactor receive a cryptographic key (7d) from a space-time standard station (5), the plurality of relay stations (9a, 9b, 9c) transmit encrypted relay station information to the terminal (11) of the transactor, the terminal (11) of the transactor transmits, to a selected relay station (9a), transaction information to which the encrypted relay station information has been added, the selected relay station (9a) transmits, to the terminal (3) at the exchange, the transaction information to which reception time has been added, and, when time information at the standard time is within a predetermined delay time, the terminal (3) at the exchange receives the transaction information included in the transaction information to which the relay station information has been added.

In one example, the method includes determining, by a vehicle UE, whether a global navigation system (GNSS) receiver of the vehicle receives a GNSS signal including time information for time synchronization operation for a local clock source of the vehicle, adjusting a local clock time of the local clock source of the vehicle based on the time information included in the GNSS signal or one of one or more wireless signals broadcast from a base station based on whether the GNSS receiver receives the GNSS signal including the time information, and adjusting at least one of a phase or a frequency of a clock signal provided to the C-V2X wireless interface based on the adjusted local clock time.

An electronic watch includes memory that stores a reference time and a time difference relative to the reference time, a timekeeper that clocks the reference time, a time display unit that includes an hour hand displaying a display time based on the reference time and the time difference, a calendar display unit that displays a date based on the reference time and the time difference, an operation device that includes a crown or a button, and a controller that, in a set time-difference setting range, corrects the time difference at a regular interval for each of operations of the operation device, and updates the hour hand and the date in accordance with the corrected time difference.

The invention relates to a multi-time-source PTP time service circuit based on a Loongson SOC, and belongs to the technical field of timing systems. The time service circuit comprises a Loongson SOC, an FPGA, a high-stability crystal oscillator, an RS422 transceiver, a network card, a switch, computing blades 1-6 and an external clock source. According to the design scheme, the performance is stable and reliable, the mode is novel, the problem that interfaces between devices are incompatible in the equipment development process is solved, meanwhile, a design thought is provided for the time service scheme of the reinforced server, and a new solution is provided for transition of a new time service scheme and an old time service scheme. The scheme has been successfully applied to a certain reinforced server.

The application provides an electronic watch running time precision regulation system, and relates to the technical field of data processing.The system is used for collecting temperature values, voltage values and cumulative running time, counting the number of pulses output by a crystal oscillator in a unit time, obtaining state data and basic frequency data, calculating frequency offset values in different periods, performing window sliding, calculating drift trend values in different windows, calculating the difference between different states between adjacent periods, obtaining state change values, combining and analyzing the state change values with a frequency drift trend sequence, obtaining a state response coefficient set, identifying effective disturbance components in state change vectors of different periods, calculating pulse compensation values in different periods, obtaining pulse compensation data, correcting timing pulses, obtaining a pulse output sequence, and updating the time of the electronic watch according to the pulse output sequence.The application can regulate the pulse signal of the electronic watch and ensure the precision of running time.

The invention relates to an intelligent wearable device time synchronization processing method, device, equipment, medium and system, and belongs to the technical field of intelligent wearable devices. The intelligent wearable device time synchronization processing method comprises the following steps: acquiring accelerations of a plurality of intelligent wearable devices; after the acceleration of any two intelligent wearable devices exceeds a preset threshold value, recording first data collected by the multiple intelligent wearable devices; the first data comprises acceleration data, angular velocity data and air pressure data; and according to the first data, performing time synchronization processing on clocks of the plurality of intelligent wearable devices. According to the technical scheme, the time synchronization accuracy and reliability can be improved, and hardware does not need to be added.

To provide a radio clock repeater that can be attached in position by a single hand without losing components.SOLUTION: A radio clock repeater comprises: a slave unit body 21 that outputs a pseudo-standard radio wave; a slave unit casing 12 in which the slave unit body 21 is housed; a fastener 13 which is provided at the slave unit casing 12 and fastens the slave unit casing 12 to a wall surface fixture F; and a fixture 16D for fixing a radio clock C to the front of the slave unit casing 12. The fastener 13 includes a plate body 14 formed with a wall-hanging hole 14A into which a tip Ft of the wall surface fixture F is inserted, and a lock member 15 which is located below the wall-handing hole 14A and prevents the tip Ft from coming off. The lock member 15 includes a leaf spring member 15A fixed to the plate body 14, and a non-fixing part 15B attached to the leaf spring member 15A and capable of coming close to or separating from the wall-handling hole 14A. The non-fixing part 15B is biased to be in a state of being close to the wall-hanging hole 14A.SELECTED DRAWING: Figure 7

The embodiment of the invention discloses a time calibration method, a time calibration device, time calibration equipment, a time calibration system and a medium for implantable equipment. The method comprises the steps of determining target change information generated when the implantable device executes a charging operation under the condition of detecting that the implantable device executes the charging operation; wherein the target change information comprises first temperature change information and / or first time change information generated when the implantable device executes the charging operation; the first time change information is determined based on the local offline time of the implantable device; determining a target time deviation value which is generated by the implantable device and corresponds to the target change information based on an association relationship between a preset calibration time deviation value and the calibration change information of the implantable device and the target change information; wherein the calibration change information is change information generated in the calibration charging process of the implantable device; and updating the local time of the implantable device based on the target time deviation value.

Provided are an electric wave correction timepiece, a system, and a control method for the electric wave correction timepiece, which can immediately correct to a local time even in an airport building and can do so without complicated operations. The electric wave correction timepiece is characterized by including a reception unit that receives satellite electric waves containing first time information, a close-range reception unit that receives electric waves containing second time information transmitted from a portable device, an operation unit that accepts an instruction operation, a reception control unit that selectively executes first reception processing that causes the reception unit to operate to acquire the first time information at a preset time, and second reception processing that causes the close-range reception unit to operate to acquire the second time information based on the instruction operation from the operation unit, and a time correction unit that corrects a displayed time based on the first time information acquired in the first reception processing or the second time information acquired in the second reception processing.

An electronic timepiece includes: a hand; a wheel corresponding to the hand and having a hole; a detector corresponding to the wheel, the detector being configured to detect light that passes through the hole of the wheel in response to voltage being applied to the detector and configured to output current corresponding to an intensity of the detected light; and a processor. The processor obtains, at a predetermined timing, a current-based value that is based on the current output by the detector. The processor determines whether or not the current-based value is greater than or equal to a predetermined threshold. Based on the determination, the processor performs position detection of the hand. The predetermined timing is earlier than a timing at which the current-based value, which is based on the current output by the detector, becomes a value in a steady state.

The embodiment of the present application discloses a RTC device time correction method and system, and relates to the technical field of real-time clock, which comprises the following steps: in response to a time correction request, calling the production environment temperature stored in the RTC device and the corresponding first frequency tolerance under the production environment temperature; obtaining the actual environment temperature at the time of the time correction request; determining the second frequency tolerance corresponding to the RTC device at present according to the actual environment temperature, the production environment temperature and the first frequency tolerance; and correcting the RTC device according to the second frequency tolerance. The embodiment of the present application corrects the RTC device in real time through the stored production environment temperature, the first frequency tolerance and the obtained current actual environment temperature, so as to improve the clock accuracy of the RTC device.

The invention discloses a method and device for a system to automatically calibrate a court electric energy meter clock, a system terminal and a metering box, and relates to the technical field of clock calibration, and the method comprises the steps: querying a time synchronization information group recorded by an electric energy meter of a court; calculating a clock error of the electric energy meter at each temperature point according to the time synchronization information group; and carrying out clock calibration on the electric energy meter based on the clock error. Through system time acquisition and logic of calculating a target clock error according to the temperature, real clock skew at different temperatures can be accurately matched, the problems of excessive calibration at a low temperature and insufficient calibration at a high temperature are avoided, the accuracy of an electric energy meter clock can be effectively improved, and error accumulation caused by temperature change is reduced. And through systematic data processing and analysis, the calibration process is further optimized, and the overall efficiency is improved.

The invention relates to a satellite system timing function test system and method based on a 1553B bus, a test device comprises an on-satellite part and a ground part, and the on-satellite part comprises a telemetering and remote control unit, a central management unit, a GNSS and a plurality of remote terminals; the ground part comprises a 1553B bus monitor, ground telemetering and remote control equipment and integrated testing equipment; the integrated test equipment edits a test case; comprising GNSS time function test cases (GNSS pulse per second output function test and GNSS time output function check), center management unit satellite time maintenance function check cases (center management unit ground timing function test, GNSS timing function test and synchronous pulse timing function test) and remote terminal satellite time maintenance function test cases (remote terminal satellite time maintenance function test cases). A synchronous pulse signal timing function is used for testing, and a second pulse timing function is used for testing. The problem that the current satellite time test cannot meet the test requirement is solved, and the correctness of the full-chain timing function from the BC end to the RT end is verified.

To ensure that occupants hardly feel uncomfortable in a vehicle that uses an internal time for automatic driving control, even when the internal time needs to be significantly corrected.SOLUTION: A time correction device for vehicles comprises: a time acquisition unit 110 that successively acquires absolute time information received from a positioning satellite; a time synchronization control unit 130 that successively synchronizes the internal time to the absolute time on the basis of the acquired absolute time information; a time control unit 120 that autonomously complements the internal time in the host vehicle when acquisition of the absolute time information is interrupted; a time correction unit 150 that, when acquisition of the absolute time information is restarted after being interrupted, corrects a difference between the absolute time and the complemented internal time; and a state identification unit 140 that identifies at least one of the state in which the host vehicle is and the state of the host vehicle itself. The time correction unit 150 changes the upper-limit value of a correction amount per round of correction by the time correction unit 150, in accordance with the state identified by the state identification unit 140.SELECTED DRAWING: Figure 2

This enables the detection of unauthorized time manipulation or unintended time changes to the system time that may occur between periodic time synchronization and health check intervals. [Solution] The system includes a system time acquisition unit 11 that repeatedly acquires the system time, which is the current time managed by the OS, and records it in the main memory 102, and an anomaly determination unit 12 that determines an anomaly in the current system time by utilizing the relationship between the most recently acquired current system time and past system times acquired in the past and recorded in the main memory 102. By determining an anomaly in the current system time by utilizing the relationship between system times that are sequentially updated at time intervals shorter than the time intervals for periodic time synchronization and health checks by the timestamp server 1, it is possible to detect unauthorized time manipulation or unintended time changes to the system time that may occur between time synchronization and health check time intervals.

This invention provides an intelligent sensor-driven clock timing accuracy calibration system, relating to the field of data processing technology. It acquires raw temperature sequence data with time stamps and location information by deploying temperature sensing units at different heating locations on the clock timing device; identifies the dominant heating region based on the temperature change rate and duration and generates corresponding weights; analyzes the heat transfer time difference in conjunction with the crystal oscillator installation position to construct a local thermal effect response sequence with time lag; derives the crystal oscillator frequency evolution process based on this response sequence and generates a predicted frequency offset; pre-adjusts the timing pulse before errors occur to form a timing reference signal; and simultaneously corrects the dominant heat source weights and heat transfer delay relationship by comparing with an external standard time source, achieving dynamic calibration of timing accuracy.

Embodiments of the present application disclose a time-keeping method and device for a distributed laboratory system, electronic equipment and a storage medium. Calibration data of a coordinated universal time traceability module and clock difference data and corresponding stabilities of at least two time-keeping clocks in the distributed laboratory system are obtained. A local atomic time is determined according to the clock difference data and the corresponding stabilities. It is determined whether the coordinated universal time traceability module is operating normally. If yes, the local atomic time is calibrated according to the calibration data to obtain a standard time. If not, reference data of a reference clock and prediction data of a virtual coordinated universal time prediction module and corresponding uncertainties thereof are obtained, and the local atomic time is calibrated according to the reference data and the prediction data and the corresponding uncertainties to obtain the standard time. Embodiments of the present application improve the disaster recovery performance and safety of the generation of the standard time of the distributed laboratory system.

The invention belongs to the technical field of power utilization information acquisition systems, and discloses an automatic clock calibration method and system for an acquisition terminal, and the method comprises the steps: S1, judging whether the acquisition terminal is restarted after being restarted; if power-off restarting is carried out, the step S2 is executed; s2, judging that the current time of the clock or the voltage of the clock battery is out of a preset range, executing S3, and otherwise, executing S9; s3, closing an original clock calibration program of the acquisition terminal; s4, creating and initializing a virtual task scheme, and writing the virtual task scheme into a file and a database; s5, acquiring the total number of the electricity meters, and determining the number threshold value of the electricity meters needing to be read successfully; s6, executing a virtual meter reading task; s7, calculating reference time according to the time data of the electric meter acquired by the virtual meter reading task; s8, setting the reference time as system time; and S9, running a task initialization process. The clock automatic calibration method has strong timeliness and initiative, and is high in stability.

To provide a wireless clock system and a method for implementing the wireless clock system that can reduce the effort required for registration between a wireless terminal and a wireless clock. [Solution] The wireless clock comprises a creation unit that creates a first signal including device address registration request identification information that requests the registration of a device address, and a communication control unit that transmits the first signal created by the creation unit. The terminal device comprises a registration unit that registers a device address if it is not already registered, based on the device address registration request identification information included in the first signal transmitted by the wireless clock.

Provided is a system for setting an electronic watch, the system includes a portable electronic appliance provided with a near-field communication device and a microcontroller configured to control said device. The watch includes a near-field communication module and a microcontroller configured to exchange electric signals with this module, said watch and said appliance being configured to be connected, in the near field, with one another in order to carry out the setting operation for the watch.

To provide a wireless clock system and a method for the wireless clock system that makes it easy to identify which wireless clock corresponds to a given wireless clock from among multiple wireless clocks. [Solution] The wireless clock comprises a creation unit that creates a first signal containing identification information that instructs the display of individual identification information or a second signal that does not request the registration of wireless clock identification information, and a communication control unit that causes the creation unit to transmit the first signal or the second signal. The terminal device comprises a display control unit that, based on the first signal or the second signal transmitted by each of the multiple wireless clocks, displays the individual identification information of each of the multiple wireless clocks in a way that distinguishes between those that include identification information instructing the display of individual identification information and those that do not.

The present invention relates to a method for setting an electronic watch, the watch comprising a near-field communication module and a microcontroller configured to exchange electrical signals with this module, the method being carried out by means of a portable electronic device comprising a near-field communication device and a microcontroller configured to control said device, the method comprising a step of establishing a near-field connection (10) between the electronic device and the watch, a step of verifying (13) by the microcontroller of the electronic device the accuracy of a watch state data, a step of sending (21) to the watch's near-field communication module by the near-field communication device and on command from the microcontroller of the electronic device at least one instruction to set the watch when the watch state data is inaccurate,a processing step (22) of said at least one instruction received by means of the watch's microcontroller, in order to generate watch setting parameters, and a watch configuration step according to the watch's microcontroller, based on the generated setting parameters.