CN1794855A - Method and device synchronous operating time in equipment management - Google Patents
Method and device synchronous operating time in equipment management Download PDFInfo
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- CN1794855A CN1794855A CN 200510079936 CN200510079936A CN1794855A CN 1794855 A CN1794855 A CN 1794855A CN 200510079936 CN200510079936 CN 200510079936 CN 200510079936 A CN200510079936 A CN 200510079936A CN 1794855 A CN1794855 A CN 1794855A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0673—Clock or time synchronisation among packet nodes using intermediate nodes, e.g. modification of a received timestamp before further transmission to the next packet node, e.g. including internal delay time or residence time into the packet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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Abstract
This invention discloses a method and a device for synchronously operating the time in a device management, which determines the time difference of two devices based on the local time of a management server and a terminal device, in which, the terminal device determines the actual operating time taking the local time of the terminal device as the reference and triggers the operation according to it based on said time difference and the local time of the server as the assigned operating time.
Description
Technical field
The present invention relates to the device management techniques of the communications field, relate in particular to simultaneous operation time method and device in equipment control.
Background technology
Portable terminal is an important component part in the whole mobile operation service system, increasingly sophisticated along with termination function, and the possibility that terminal software goes wrong significantly increases.Competition between the following operator is growing more intense, and how effectively to guarantee user experience, improves user's loyalty, keeps efficiently service quality and low-cost device to safeguard an important focus that has become operator, manufacturer terminal.The target of open mobile alliance device management (OMA DM) standard therewith.
The DM standard is a kind of management, diagnosis, safeguard the technology of mobile terminal device.Portable terminal comprises mobile phone terminal, palmtop PC, notebook computer, embedded device, onboard system etc., does not get rid of any other mobile device simultaneously.
Present OMA DM standard back-level server issues some tasks based on Time Triggered, trigger (Trap), regularly (Scheduling), diagnosis (Diagnostic) etc. as trap, download to terminal equipment by more predetermined tasks of DMS and triggered time, when the time of terminal equals the triggered time of preplanned mission, trigger preplanned mission automatically.
It is a lot of to relate to the demand that regularly triggers in the equipment control (DM), for example: Trap, Scheduling, Diagnostic etc., the synchronization mechanism owing between terminal equipment and device management server, have no time at present, can't guarantee that server time and device end time are consistent, cause operation that the timing of server appointment carries out may be accurately to trigger at the time point of server appointment, this may cause some uncertain problems, for example: the setting of the deadline date (Deadline) that the requirement terminal is finished during software upgrading can produce mistake (missing update time) because of the asynchronism(-nization) step.
Summary of the invention
The invention provides a kind of in equipment control simultaneous operation time method and device, with solve in the prior art because of between device management server and the terminal equipment because of the asynchronism(-nization) step, cause the terminal equipment can accurately be in the problem of the specified time point trigger action of device management server.
Realize that technical scheme of the present invention is as follows:
A kind of in equipment control the simultaneous operation time method, comprise the steps:
Determine time difference between these two equipment according to the local zone time of the local zone time of device management server and terminal equipment;
Terminal equipment is according to the described time difference, will be that to be converted to the terminal equipment local zone time fixed time of the executable operations of reference be the real time of the executable operations of reference with the local zone time of device management server, and by this real time trigger action.
Wherein:
Terminal equipment sends a time synchronized request to device management server, sent a response message and carry local transmitting time to terminal equipment by device management server, local zone time and the transmitting time in this response message of terminal equipment when receiving described response message determined two time differences between the equipment.
Device management server carries local transmitting time in order that issues or message, the local zone time when the terminal equipment basis is received described order or message is determined two time differences between the equipment.
When terminal equipment is received the task list that device management server issues, triggered time of each operation in the task list is revised as real time after the conversion; Perhaps, when terminal equipment is received the task list that device management server issues, set up each operation in the task list triggered time and and real time of this time synchronized between mapping relations.
During the operation of terminal equipment in monitor task tabulation, to be that to be converted to the terminal equipment local zone time fixed time of the executable operations of reference be the real time of the executable operations of reference with the local zone time of device management server, and relatively determine whether trigger action with this real time and local zone time.
A kind of in equipment control the simultaneous operation time method, this method issues operational order by device management server to terminal, terminal equipment is by the Time Triggered operation of appointment in the operational order; Wherein, device management server is before issuing described operational order or after issuing described operational order, indicating terminal equipment is provided with the local zone time of terminal equipment according to the local zone time of device management server, make local zone time with terminal equipment be with reference to the real time of trigger action serve as to keep synchronously with local zone time with reference to the time of specifying executable operations with device management server.
A kind of terminal equipment comprises the equipment control proxy module, and terminal equipment is mutual by this equipment control proxy module and device management server; Wherein this terminal equipment also comprises:
Act on behalf of time interface, be arranged in the described equipment control proxy module, be used for the time difference between definite terminal equipment and the device management server;
Synchronization module is connected with the described time interface of acting on behalf of, and is used for being adjusted into according to the time that the described time difference manages the equipment control proxy module and use the lock in time of device management server.
The present invention is by determining the time difference between device management server and the terminal equipment, making terminal equipment is that the real time of executable operations and the device management server official hour of reference keeps effectively having avoided the problem that may bring because of time difference synchronously with the local zone time.
Description of drawings
Figure 1A, Figure 1B are for determining the flow chart of time difference among the present invention;
Fig. 2 A is first structural representation of equipment management system among the present invention;
Fig. 2 B is the flow chart of lock in time among the present invention;
Fig. 3 is second structural representation of equipment management system among the present invention;
Fig. 4 is for being provided with the flow chart of terminal clock among the present invention;
Fig. 5 is the 3rd structural representation of present device management system.
Embodiment
In equipment management system, for the time and the device management server official hour that can make the terminal equipment executable operations synchronous, the present invention is according in device management server and the terminal equipment, local zone time when the local zone time when one of them equipment sends order or message is received described order or message with another equipment calculates terminal equipment and the management server time difference between fully; Then, local zone time with device management server in local zone time, described time difference and the operational order when terminal equipment basis receives operational order is executable operations (or the title task of reference, as follows) time, determine with the local zone time to be the real time of the executable operations of reference, terminal equipment is pressed this real time trigger action, thereby guarantees the executable operations time synchronized of this real time and device management server appointment.
Time difference is calculated can be in the following ways:
A, ignore the time difference computational methods of transmission delay
Equipment control agency (DM Agent) module of method one, terminal equipment initiates a time synchronized request for device management server (DMS), and device management server is being received a request back server time of loopback (ignoring transmission delay).DM Agent module is according to the time difference of this loopback Time Calculation DMS and terminal clock.For example:
Terminal to server is initiated the time synchronized request, and the time of server loopback is:
200506081750 (17:50 on June 8th, 2005);
The time point that terminal receives back response is:
On June 8th, 2005 18:30;
The time difference that DMAgent calculates is (this example with terminal as benchmark):
(2005.06.0817:50)-(2005.06.0818:30)=-40 minute (fast 40 minutes of the time ratio DMS of expression terminal equipment).
Method two, when DMS issues task, the timestamp of subsidiary server in task, DM Agent module is calculated the time difference of DMS and terminal clock according to this timestamp.For example:
Task with the DMS time of issuing be:
200506081750 (17:50 on June 8th, 2005);
The time of terminal when receiving task is:
On June 8th, 2005 18:30;
The time difference that DMAgent calculates is (this example with terminal as benchmark):
(2005.06.08 17:50)-(2005.06.08 18:30)=-40 minutes.
The time difference computational methods of B, elimination transmission delay
Method one, DM Agent initiate a time synchronized request to server, and server is being received server time of request back loopback.DM Agent is according to the time difference of this loopback Time Calculation DMS and terminal clock.In order to eliminate transmission delay, during DM Agent computation requests and the time interval (time of ignoring server process) when receiving the message of server loopback, after 2, draw transmission delay, utilize this transmission delay correction time poor then.For example, shown in Figure 1A:
The time that terminal to server is initiated the time synchronized request is:
2005.06.08 18:30:35
The timestamp of server loopback is:
20050608175032 (17:50:32 on June 8th, 2005);
The time point that terminal receives the loopback time is:
2005.06.08 18:30:39；
Time-delay is calculated: utilize calculate twice terminal time: (18:30:39-18:30:35)/and 2=2 second;
The time difference that DM Agent calculates is (this example with terminal as benchmark): (2005.06.0817:50:32)-(2005.06.0818:30:39)=-40 minutes 7 seconds;
The revised time difference of transmission delay is :-40 minutes 7 seconds-2 seconds=-40 minutes and 9 seconds.
Method two, DMS when issuing task, the timestamp when subsidiary server issues in task, the DMAgent module is calculated the time difference of DMS and terminal clock according to this timestamp.In order to eliminate transmission delay, DM Agent sends a message to server after the task of receiving, request server sends an acknowledge message immediately to terminal after receiving message, DM Agent is after receiving second message that server sends out, calculate the time interval of twice message, after 2, draw transmission delay, utilize this transmission delay correction time poor then.For example, shown in Figure 1B:
The time difference that comprises transmission delay that DM Agent calculates is (this example terminal as benchmark):
(2005.06.08 17:50:28)-(2005.06.08 18:30:35)=-40 minutes 7 seconds;
Time-delay is calculated: can utilize twice server time to calculate: (17:50:32-17:50:28)/and 2=2 second; Perhaps, utilize calculate twice terminal time: (18:30:39-18:30:35)/2=2 second;
Utilize the revised time difference of transmission delay to be :-40 minutes 7 seconds-2 seconds=-40 minutes and 9 seconds.
After the time difference that calculates terminal equipment and DMS, time difference can be kept at terminal, is administered and maintained by DMAgent.Adjust when the terminal equipment time, for example: the time of user's manual modification terminal time, the long-range setting terminal equipment of device management server, some application software are adjusted adjustment or other means in terminal time, time zone and are adjusted terminal time etc., server time is adjusted, server and terminal time difference timing correction etc., at this moment all need update time poor.
Update time, difference can be in the following ways:
(1) terminal is adjusted relatively
After terminal was carried out the time adjustment, the adjustment amount of DM Agent computing terminal clock utilized this adjustment amount to readjust terminal and server time difference then.For example:
The server that DM Agent preserves and the time difference of terminal are :-47 minutes and 9 seconds;
Time before the terminal adjustment is: 2005.06.08 18:22:00;
The adjusted time of terminal is: 2005.06.08 18:56:00;
The clock adjustment amount of terminal is: before adjusting time-adjusted time=-34 minutes;
According to the adjustment amount correction terminal of front and back and the time difference of server be:
(34)+(47 minutes and 9 seconds)=(1 hour 21 minutes 9 seconds).
(2) negotiation time is poor again
After adjusting terminal time, utilize above-mentioned time difference computational methods, recomputate the time difference.
(3) regularly the correction time is poor
Use the timing mechanism (Scheduling) of DM agreement, utilize the time difference computational methods timing of foregoing description poor update time.
On the basis of conventional maintenance time difference between device management server and the device end, can be between terminal equipment and device management server lock in time.Its implementation can increase synchronization module and act on behalf of time interface on terminal equipment, wherein, act on behalf of time interface and be arranged in the described equipment control proxy module, is used for determining time difference between terminal equipment and the device management server by aforementioned manner; Synchronization module is connected with the described time interface of acting on behalf of, and is used for being adjusted into according to the time that the described time difference manages the equipment control proxy module and use the lock in time of device management server.Realize that synchronous mode can adopt following several mode:
1, soft synchronous
Softly be meant in comparison terminal local zone time and operation during the triggered time synchronously, the time of carrying out in order to have comparativity is adjusted, can be that the local zone time that will read was adjusted with the time difference, also can be to utilize the time difference to adjust in operation triggered time of reading, the process of whole adjustment is not really revised the terminal local zone time, does not really revise the triggered time of task yet.
Shown in Fig. 2 A, in this equipment management system, synchronization module is an adjuster, is arranged between the time interface of the time system of terminal equipment and DM Agent module, acts on behalf of time interface and is responsible for time difference between computing terminal equipment time system and the server time system.Adjuster is adjusted the time deviation of proxy for equipment module and equipment time system according to acting on behalf of the time difference that time interface calculates.
When DM Agent module need relate to time operation (calling system time), elder generation's elapsed time adjuster according to the time difference, was adjusted into the server sync time.In DM Agent management is used, the free description of institute all and server sync, i.e. the identical time-domain of DM Agent and DMS maintenance.When showing the task situation to the user, the time of the relative terminal equipment of demonstration task is benchmark with the local zone time.If user's modification the task triggered time, need utilize the time difference to be converted to server time.
Principle is the time that DM Agent module management is used to describe the use server time synchronously, and the time that the user can experience is consistent with the device end time system.Adjuster plays coordinative role between two systems.
In this implementation, adjuster is not really revised the time value of terminal clock.Shown in Fig. 2 B, it is as follows that DM Agent module is obtained the adjustment process of equipment time:
Step 2, adjuster invocation facility application programming interfaces (API) are from terminal equipment request clock value.
Step 3, adjuster utilize time difference that the equipment time of obtaining is adjusted, and are converted into the lock in time of device management server.
Step 4, adjuster return adjusted time value to DM Agent module.Like this, DM Agent module just can determine whether to arrive the triggered time of operation by this time value, thereby realizes soft synchronous.
Certainly, if DM Agent module is wanted the actual time of the equipment that obtains, can be not by adjuster but directly invocation facility API obtain.
2, utilize modification task triggered time time difference to reach synchronous relatively
Consult shown in Figure 3ly, synchronization module is a modifier, and in this scheme, the time that the management of DM Agent module is used describes and uses terminal time.By all the task triggered times in the described modifier modification task list, reach synchronous purpose of time of implementation between server and the Agent.
DM Agent module at first calculates the time difference between terminal clock and the server clock, and modifier is revised the triggered time of all tasks in the task list that DMS issues according to the time difference then.For example:
Task list with DMS issue timestamp and be:
200506081750 (17:50 on June 8th, 2005);
Task list is as follows:
| Task | Triggered time |
| Terminal is checked | 200506081800 (18:00 on June 8th, 2005) |
| Firmware upgrade | 200506082230 (22:30 on June 8th, 2005) |
| ... | ... |
The time of terminal when receiving task list is: on June 8th, 2005 18:30;
The time difference that DM Agent calculates is:
(2005.06.08 18:30)-(2005.06.08 17:50)=+ 40 minutes;
DM Agent is according to the triggered time in this time difference adjustment task list, the triggered time triggered time of some task list (because be the time period) is revised (+40) by modifier, and minute (+expression is postponed,-expression is in advance), so just reached the actual time that server is wished the terminal equipment executable operations.
The adjusted task triggered time is as follows:
| Task | Triggered time |
| Terminal is checked | 200506081840 (18:40 on June 8th, 2005) |
| Firmware upgrade | 200506082310 (23:10 on June 8th, 2005) |
| ... | ... |
The certain operations of carrying out when end side causes the adjustment (for example: user's manual modification terminal time, the time of the long-range setting terminal equipment of device management server, adjustment or other means that some application software is adjusted terminal time, time zone are adjusted terminal time) of terminal clock time value, DM Agent is poor according to adjusted value modification time before and after the terminal clock, the triggered time of revising all task lists simultaneously.
For example: the user has been because some reason has been adjusted time of terminal equipment,
Time before the terminal adjustment is: on 06 08th, 2005 17:50;
Task list is as follows:
| Task | Triggered time |
| Terminal is checked | 200506081800 (18:00 on June 8th, 2005) |
| Firmware upgrade | 200506082230 (22:30 on June 8th, 2005) |
| ... | ... |
The adjusted time of terminal is: on 06 08th, 2005 17:30;
Adjusted value is: (2005.06.08 17:30)-(2005.06.08 17:50)=-20 minutes;
DM Agent module adds (20) minute (+the expression of postponing ,-expression are in advance) according to the triggered time in the adjusted value modification task list with the trigger point time.Adjusted task list is:
| Task | Triggered time |
| Terminal is checked | 200506081740 (17:40 on June 8th, 2005) |
| Firmware upgrade | 200506082210 (22:10 on June 8th, 2005) |
| ... | ... |
Some other situation, when for example terminal to server is uploaded some data (these data may be terminal active upload or server initiatively obtains), can utilize the time difference of preservation that time data is revised, making the data of uploading is benchmark with the server time.Certainly, if DM Agent module is wanted the actual time of the equipment that obtains, can revise.
Certainly, also can not revise the triggered time in the task list, realize and set up a mapping table.In this manner, DM Agent module is the time difference of computing terminal clock and server clock at first, and the terminal relative time values that triggers according to the time difference calculation task.Create and safeguard a task triggered time mapping table then, in order to the server relative value and the terminal relative value in mapping task triggered time, DM Agent module is not revised former task tabulation.
Mapping table is created when task issues, for example:
Task list with DMS issue timestamp and be:
200506081750 (17:50 on June 8th, 2005);
Task list is as follows:
| Task | Triggered time |
| Terminal is checked | 200506081800 (18:00 on June 8th, 2005) |
| Firmware upgrade | 200506082230 (22:30 on June 8th, 2005) |
| ... | ... |
The time of terminal when receiving task list is: on June 8th, 2005 18:30;
The time difference that DM Agent calculates is:
(2005.06.0818:30)-(2005.06.0817:50)=+ 40 minute;
DM Agent creates mapping table, then according to the terminal relative value in this calculation task triggered time time difference, and inserts mapping table, and its mapping is as follows:
| Task | Triggered time (the server relative value is not made an amendment) | Terminal relative value (mapping) |
| Terminal is checked | 200506081800 (18:00 on June 8th, 2005) | 200506081840 (18:40 on June 8th, 2005) |
| Firmware upgrade | 200506082230 (22:30 on June 8th, 2005) | 200506082310 (23:10 on June 8th, 2005) |
| ... | ... | ... |
The certain operations of carrying out when end side causes the adjustment (for example: user's manual modification terminal time, the time of the long-range setting terminal equipment of device management server, adjustment or other means that some application software is adjusted terminal time, time zone are adjusted terminal time) of terminal clock time value, DM Agent is poor according to adjusted value modification time before and after the terminal clock, revises the terminal relative value in task triggered time in the mapping table simultaneously.
3, DMS synchronization mechanism by force
DMS is before issuing the customized task tabulation or after issuing the customized task tabulation to terminal, DMS is provided with the clock of terminal by DMAgent, itself and DMS are kept (deviation comprises command transfer time-delay etc.) synchronously, i.e. forced synchronism terminal time in certain deviation range that allows.Flow process is set consults as shown in Figure 4.
DMS can be regularly (during length can be set by DMS) carries out making the time of terminal and DMS be consistent synchronously to the clock of terminal.
For the time adjustment that prevents end side causes the asynchronous of time, if the end side support, DMS can limit or forbid the terminal ability of adjustment time.
4, keep two cover clocks at terminal equipment
As shown in Figure 5, safeguard first, second clock in terminal, first clock is the terminal local clock, and second clock is to keep synchronous clock with server, and DM Agent module triggers corresponding task according to second clock.Between first, second clock, transducer is set, when the user shows mission bit stream, the triggered time of operation (or task) is converted to local zone time by transducer, the user is at retouching operation after the triggered time (is with the local zone time with reference to), and DM Agent is converted into the server sync time by transducer and preserves then.With the user be to be reference alternately with the terminal equipment local clock, judge that the task triggered time is is reference with the server sync clock, the server clock is to user transparent.
Can regularly carry out the synchronous of second clock and server clock with server by DM Agent module, also can be that server initiatively carries out synchronization action, and the initiation of synchronization action may be regularly to initiate, and perhaps initiates after the server time adjustment.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (18)
1, a kind of in equipment control the simultaneous operation time method, it is characterized in that, comprise the steps:
Determine time difference between these two equipment according to the local zone time of the local zone time of device management server and terminal equipment;
Terminal equipment is the fixed time of the executable operations of reference according to the described time difference with the local zone time of device management server, determines with the terminal equipment local zone time to be the real time of the executable operations of reference, and by this real time trigger action.
2, the method for claim 1, it is characterized in that, in device management server and terminal equipment, the local zone time the when local zone time when one of them equipment sends order or message and another equipment are received described order or message is determined the described time difference.
3, method as claimed in claim 2, it is characterized in that, send a time synchronized request by terminal equipment to device management server, device management server sends a response message and carries local transmitting time to terminal equipment, and local zone time and the transmitting time in this response message of terminal equipment when receiving described response message determined two time differences between the equipment.
4, method as claimed in claim 3 is characterized in that, terminal equipment is also determined transmission delay according to local zone time that sends described time synchronized request and the local zone time that receives described response message, and utilizes this time-delay to revise the described time difference.
5, method as claimed in claim 2 is characterized in that, device management server carries local transmitting time in order that issues or message, and the local zone time when the terminal equipment basis is received described order or message is determined two time differences between the equipment.
6, method as claimed in claim 5, it is characterized in that, terminal equipment is after receiving described order or message, send a message and return an acknowledge message to device management server by this server, terminal equipment when sending message local zone time and the local zone time when receiving acknowledge message determine transmission delay, and utilize this time-delay described time difference of correction.
7, the method for claim 1 is characterized in that, the described time difference is preserved by terminal equipment and safeguards.
8, method as claimed in claim 7 is characterized in that, terminal equipment dynamically upgrades the described time difference; Perhaps, terminal equipment or server redefine the time difference between the equipment after adjusting local zone time, perhaps, terminal equipment after adjusting local zone time according to the time described time difference of adjustment amount correction.
9, as each described method of claim 1 to 8, it is characterized in that, during the operation of terminal equipment in monitor task tabulation, the described fixed time is converted to the described real time, and by relatively real time and local zone time determine whether trigger action; Perhaps, it is the time of reference that the local zone time of terminal equipment is converted to the device management server local zone time, and by relatively should the time and the described fixed time determine whether trigger action.
10, as each described method of claim 1 to 8, it is characterized in that, when terminal equipment is received the task list that device management server issues, the fixed time of each executable operations in the task list is revised as the described real time; Perhaps, when terminal equipment is received the task list that device management server issues, determine the corresponding practical operation time and set up mapping relations according to the fixed time of carrying out each operation.
11, method as claimed in claim 10 is characterized in that, when the described time difference changes, adjusts the described real time.
12, a kind of in equipment control the simultaneous operation time method, this method issues operational order by device management server to terminal, terminal equipment is by the Time Triggered operation of appointment in the operational order; It is characterized in that, according to the local zone time of device management server the local zone time of terminal equipment is set by device management server indicating terminal equipment, make local zone time with terminal equipment be with reference to the real time of trigger action serve as to keep synchronously with local zone time with reference to the time of specifying executable operations with device management server.
13, method as claimed in claim 12 is characterized in that, device management server before issuing described operational order or after issuing described operational order indicating terminal equipment local zone time is set; Perhaps, device management server timing indicating terminal equipment is provided with local zone time.
14, as claim 12 or 13 described methods, it is characterized in that, first clock and the second clock that is used for trigger action that are used for local matter at maintaining terminal equipment, terminal equipment direct local zone time by device management server after the indication that obtains device management server is provided with described second clock.
15, a kind of terminal equipment comprises the equipment control proxy module, and terminal equipment is mutual by this equipment control proxy module and device management server; It is characterized in that, also comprise:
Act on behalf of time interface, be arranged in the described equipment control proxy module, be used for the time difference between definite terminal equipment and the device management server;
Synchronization module is connected with the described time interface of acting on behalf of, and is used for being adjusted into according to the time that the described time difference manages the equipment control proxy module and use the lock in time of device management server.
16, terminal equipment as claimed in claim 15 is characterized in that, described synchronization module is an adjuster or is a modifier.
17, a kind of terminal equipment comprises the equipment control proxy module, and terminal equipment is mutual by this equipment control proxy module and device management server; It is characterized in that this terminal equipment comprises first clock that is used for local matter and the second clock that is used for trigger action, described administration agent module is provided with second clock by the local zone time of device management server.
18, terminal equipment as claimed in claim 17, it is characterized in that, be provided with transducer between described first, second clock, the local zone time that described transducer is converted to terminal equipment with the triggered time of operating is shown to the user, and the operation triggered time that perhaps will revise is converted to the server sync time and preserves.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100799369A CN100421495C (en) | 2005-06-27 | 2005-06-27 | Method and device synchronous operating time in equipment management |
| PCT/CN2006/001332 WO2007000097A1 (en) | 2005-06-27 | 2006-06-14 | Method and terminal device for synchronizing operation time in device management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100799369A CN100421495C (en) | 2005-06-27 | 2005-06-27 | Method and device synchronous operating time in equipment management |
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|---|---|
| CN1794855A true CN1794855A (en) | 2006-06-28 |
| CN100421495C CN100421495C (en) | 2008-09-24 |
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| CNB2005100799369A Expired - Fee Related CN100421495C (en) | 2005-06-27 | 2005-06-27 | Method and device synchronous operating time in equipment management |
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| CN (1) | CN100421495C (en) |
| WO (1) | WO2007000097A1 (en) |
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| WO2010020120A1 (en) * | 2008-08-20 | 2010-02-25 | 华为技术有限公司 | Method, device and system for synchronizing time |
| WO2010145410A1 (en) * | 2009-06-19 | 2010-12-23 | 腾讯科技（深圳）有限公司 | Method and device for synchronizing time of network games |
| CN102483771A (en) * | 2009-08-17 | 2012-05-30 | 皇家飞利浦电子股份有限公司 | And method to synchronize a patient monitoring device with a central server |
| CN103092959A (en) * | 2013-01-18 | 2013-05-08 | 中兴通讯股份有限公司 | Processing method and device for task time zone |
| CN103220120A (en) * | 2012-01-20 | 2013-07-24 | 腾讯科技（深圳）有限公司 | Time synchronizing method of mobile terminal, mobile terminal and time synchronizing system |
| CN103645960A (en) * | 2013-12-23 | 2014-03-19 | 北京安兔兔科技有限公司 | Method and system for determining whether performance test is valid |
| US8838776B2 (en) | 2007-09-26 | 2014-09-16 | Vega Grieshaber Kg | Method for the automatic time synchronisation of devices in network-based systems |
| CN104243133A (en) * | 2013-06-21 | 2014-12-24 | 华为技术有限公司 | Synchronization method and device |
| CN105141458A (en) * | 2015-08-25 | 2015-12-09 | 广州酷狗计算机科技有限公司 | Remaining duration showing method and device |
| CN106426169A (en) * | 2016-10-21 | 2017-02-22 | 中国科学院力学研究所 | Method and device for remotely controlling one operand through multiple operation terminals |
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| CN109189147A (en) * | 2018-09-04 | 2019-01-11 | 北京粉笔未来科技有限公司 | Method for synchronizing time and device calculate equipment and storage medium |
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| CA2091962A1 (en) * | 1992-03-31 | 1993-10-01 | Mark L. Witsaman | Clock synchronization system |
| JP2918033B2 (en) * | 1996-12-18 | 1999-07-12 | 日本電気株式会社 | Radio selective call receiver with automatic time adjustment function |
| US6674730B1 (en) * | 1998-08-04 | 2004-01-06 | Tachyon, Inc. | Method of and apparatus for time synchronization in a communication system |
| JP2002027555A (en) * | 2000-07-11 | 2002-01-25 | Funai Electric Co Ltd | Portable telephone |
| JP4433127B2 (en) * | 2001-05-22 | 2010-03-17 | 日本電気株式会社 | Mobile communication terminal, schedule data registration method, and schedule notification system |
| CN1175625C (en) * | 2002-11-12 | 2004-11-10 | 威盛电子股份有限公司 | Radio local network clock synchronization method and medium access controller |
| KR20050095606A (en) * | 2003-01-09 | 2005-09-29 | 톰슨 라이센싱 에스.에이. | Method and apparatus for synchronizing digital video using a beacon packet |
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- 2005-06-27 CN CNB2005100799369A patent/CN100421495C/en not_active Expired - Fee Related
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| US8838776B2 (en) | 2007-09-26 | 2014-09-16 | Vega Grieshaber Kg | Method for the automatic time synchronisation of devices in network-based systems |
| WO2010020120A1 (en) * | 2008-08-20 | 2010-02-25 | 华为技术有限公司 | Method, device and system for synchronizing time |
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| RU2498519C2 (en) * | 2009-06-19 | 2013-11-10 | Тенсент Текнолоджи (Шэньчжэнь) Компани Лимитед | Network game time synchronisation apparatus and corresponding method |
| EP2456160A4 (en) * | 2009-06-19 | 2016-03-16 | Tencent Tech Shenzhen Co Ltd | Method and device for synchronizing time of network games |
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| CN107547160B (en) * | 2017-06-28 | 2019-06-04 | 新华三技术有限公司 | A kind of method for synchronizing time and device |
| CN109428662A (en) * | 2017-08-25 | 2019-03-05 | 北京国双科技有限公司 | Time deviation statistical method and device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2007000097A1 (en) | 2007-01-04 |
| CN100421495C (en) | 2008-09-24 |
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