CN100401261C - Data saving method of personal information terminal - Google Patents
Data saving method of personal information terminal Download PDFInfo
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- CN100401261C CN100401261C CNB2005100401737A CN200510040173A CN100401261C CN 100401261 C CN100401261 C CN 100401261C CN B2005100401737 A CNB2005100401737 A CN B2005100401737A CN 200510040173 A CN200510040173 A CN 200510040173A CN 100401261 C CN100401261 C CN 100401261C
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Abstract
The present invention relates to a data saving method of a personal information terminal, which is suitable for a personal information terminal simultaneously having volatile storage media and non-volatile storage media, and the personal information terminal is driven by batteries. The present invention is composed by the following steps: making sure whether the batteries are in a low-voltage state; when the batteries are in the low-voltage state, making sure whether the batteries meet the condition that the batteries have the specific data for storing and reserving in the volatile storage media; when the batteries have the preserving condition, the specific data stored in the volatile storage media are copied and stored in the non-volatile storage media. The present invention can effectively prevent the data which are in operation by users from running off by that the present invention works with copies; the present invention can desterilize the data of the copies in short time by the operation of data recovery. In addition, the present invention offers a simple and effective method to the operation again after the work is interrupted.
Description
Technical field
The present invention relates to a kind of device and method that data are preserved in electronic installation, particularly in the PDA of personal information terminal, preserve the apparatus and method of data.
Background technology
Usually, because there is bigger upgrading space the personal information terminal, the user of this terminal device is more and more.
The personal information terminal has very small and exquisite volume again, so also can be called as portable computer because can store lot of data.The user is in moving process, when if desired data being handled, at first need needed information storage in terminating machine, in needs, from terminating machine, search for again, or calculate, can useful data be stored immediately in addition, the processing mode of this data is effective rapidly.
When this personal information terminal carries out the lot of data processing, need a jumbo reservoir, and need be rapid to the speed that data are handled.Therefore, mass data is stable to be stored rapidly in order to satisfy, and just need possess incompatible reservoir.
That is, use flash memory can guarantee the storage-stable of data, and use RAM can guarantee data processing speed.
Like this, if the data of stored routine data or preservation for a long time need be used flash memory, and the next needs RAM of situation that need read the data of storage apace and handle.
Owing to consider the movability of personal information terminal, most personal information terminals use small-sized battery to drive.
Therefore the user situation of battery electric quantity deficiency usually occurs when using personal information terminal to carry out particular job.
When the user states personal information terminal in the use and handles needed data, generally be that the data that are stored on the flash memory are read on the RAM.In this case, if do not have residual charge in the battery of user's personal information terminal, the data that the user is handling are easy to whole losses.Like this, after the user changed battery, the user must be from beginning most to carry out interrupted operation.
For preventing the above-described problem from occurring, generally adopt personal information terminal is connected with computer method such as the active sync that data are backed up or hot sync at present.
But the employing said method can only be could back up data under personal information terminal and situation that computer is connected.And also require the operating system of the operating system of computer and personal information terminal identical in this case.
That is to say needs certain procedure to make computer and personal information terminal have compatibility, could used data be backed up according to user's needs like this.But can not form on computers and the on all four working environment of personal information terminal.
Therefore, even before the running down of battery of personal information terminal, the user backs up data by computer, on all four mode of operation in the time of can not realizing when before having operated again and past data backed up.Because the backup of this moment is to realize in the promptly fixed working environment of computer.Even therefore the data to present back up, when recovering to read these data once more, also can produce the former different operating environment of employed operating environment with the user.Like this, because the variation of operating environment also can bring a lot of inconvenience to the user.
Summary of the invention
Therefore, when the battery that data saving method of personal information terminal provided by the present invention is intended to solve personal information terminal is in low electric weight, how to prevent the problem that data run off.That is, when the personal information terminal battery electric quantity was low, in the reservoir that is similar to flash memory, the method for restoring had when needed prevented the loss of information when battery electric quantity is low effectively by the data storage that will handle.
To achieve these goals, the data save method of personal information terminal provided by the present invention is applicable to possess volatility storage medium may and non-volatile storage medium may simultaneously, and uses battery-driven personal information terminal.The inventive method is made of following steps, and as feature:
Confirm whether battery is in the stage of low-voltage state; When above-mentioned battery is in low-voltage state, judge whether system is in the stage of state of activation, described system is the operating system on the personal information terminal; When described system is in closed condition, activate this system and confirm whether to have started the random access memory data defencive function, described closed condition is that personal information terminal is in unlatching but out-of-operation state; When determining to have started the random access memory data defencive function, the particular data of storing in the above-mentioned volatility storage medium may is replicated and stores into the stage of non-volatile storage medium may.
As mentioned above,,, can prevent effectively that the user from operating the loss of the data of operation, resume operation by data again, can recover to use backed up data in the short period of time by backup job according to method provided by the present invention.In addition, the present invention also provides simple effective method for the user wishes to carry out again this operation behind interruption operation.
Description of drawings
Fig. 1 is the internal structure module map of the personal information terminal of the embodiment of the invention;
Fig. 2 is the flash memory of the embodiment of the invention and the structural map of ROM reservoir, and shows according to method of the present invention and carry out the backup job process and the synoptic diagram of the process that resumes operation;
Fig. 3 for the embodiment of the invention when battery is in low-voltage state, data are preserved the process flow diagram control;
Fig. 4 for the embodiment of the invention to recovering the process flow diagram that the Backup Data process describes.
Accompanying drawing major part symbol description
111: control part 114: the power supply sense part
115: reservoir
Embodiment
Following with reference to accompanying drawing, embodiments of the invention are elaborated.
Fig. 1 is the inner composition module figure of the personal information terminal of one embodiment of the invention.
As shown in Figure 1, data storage apparatus provided by the present invention is by control part 111, power supply sense part 114, reservoir 115 formations such as grade.Wherein control part 111 can carry out routine processes widely, carries out the integral body control of personal information terminal.
Particularly in the present invention, control part also will be carried out the operation of preserving data and with the operation of data recovery.
The electronic signal that to export from microcomputer MIC is encoded in promptly fixed mode simultaneously, again to radio section 112 transmission.
In addition, voice signal handling part 113 also will be under the control of control part 111, and the specific data-switching that will read from reservoir 115 becomes the electronic speech signal, outwards exports by loudspeaker.
Power supply sense part 114 is checked the voltage status of batteries, if when confirming that battery is in low-voltage state then to control part 111 output LOW voltage perceptual signals.
In reservoir 115, generally be divided into the non-volatile of RAM reservoirs such as ROM and flash-type.Wherein the general terminating machine that stores starts initial necessary data on the ROM reservoir.And above-mentioned nonvolatile storage medium may can also be the CF reservoir except that flash memory, SD reservoir, USB reservoir etc.
In flash memory, can store the data of the data that do not need high speed processing or user input, also have the routine data of the preservation data that will mention among Fig. 2 and Fig. 3 in the back and carry out the routine data of preserving the data backup operation.
The RAM reservoir then is to store the data of reading from ROM reservoir and flash memory at any time, but can realize high speed processing to data by the RAM reservoir.Structure to this reservoir will be elaborated with reference to Fig. 2 in the narration process below.
External Department of Communication Force 116 is connected by realization such as USB port and computer, can also realize and being connected of rechargeable battery by USB port, realizes the charging of battery.And when reaching compatibility between control part 111 and external device, can carry out external device and data communication operation according to user's requirement.
With reference to Fig. 2, as shown in the figure, flash memory 410 is made of 5 zones.The start address of restored data storage area is deposited in the start address zone 411 of OS.If the user is when the deposit data used is in the user data area 421 of RAM reservoir 420, above-mentioned data also will be replicated and be stored in the restored data storage area 413 of flash memory.Like this, when the power supply of personal information terminal exhausts or the user when data backup back is required to restore, the data that are kept at above-mentioned restored data storage area 413 move to RAM reservoir user data area 421 once more, thereby can restore use.In flash memory OS zone 412, store operating system software data and other base program data on the personal information terminal.
Simultaneously, the data of the user data area of depositing in the RAM reservoir 420 421 are backed up and store in restored data zone 413 as mentioned above.When data are carried out compress backup, can reduce restored data storage area 413 and take up space.The compression method to data does not describe in detail in explanation of the present invention.
In addition, above-mentioned 5 zones also include primary data zone 414 and user's specific data zone 415.Wherein primary data zone 414 is to be provided with in order to make above-mentioned personal information terminal recover the most initial base program operation of this machine.When having deposited above-mentioned terminating machine here and having dispatched from the factory, data such as numbering that manufacturer provided and specific program.And user's specific data zone is to be used to deposit the data that the user sets and stores arbitrarily.
Below the RAM reservoir is described.RAM reservoir 420 can be divided into user data area 421 and dynamic storage area 422.The user data area is to be used to deposit the user to require the data deposited.Illustrate, suppose that now the user is reading the certain text data of depositing on the personal information terminal reservoir, control part 111 will be from the specific region of reservoir 115, such as reading these data by user's requirement in the user's specific data zone 415 from above-mentioned flash memory 410.
That is to say, desired data is read in the user data area 421 of random access memory reservoir 420.Demonstrate the data content of being read from above-mentioned user data area afterwards in display part, above-mentioned user data area 421 content part that these data are shown when showing this data content stores.Like this, be at the battery of personal information terminal under the state of low electric weight and carry out data backup, when backed up data is recovered, display part will demonstrate the pattern environment consistent with the initial manipulation mode state.The dynamic storage area 422 of random access memory reservoir then is used for the zone of carrying out necessary computing when driving operating system.
Fig. 3 is as embodiments of the invention, the battery control flow chart that data are preserved when being in low electric weight.
Below in conjunction with Fig. 2, data were preserved control procedure and are elaborated when battery was in low state of charge.
Guarantee that at first personal information terminal is in normal operating conditions under the normal situation of battery electric quantity supply.The duty here is to comprise that the specific operation needs according to the user carry out standby or wireless telecommunications holding state, also comprises the specific program operation of carrying out according to the user, the dynamic process of display image or reading displayed data content.(ST300)
Whether the control part 111 check batteries of personal information terminal are in low-voltage state afterwards.(ST310)。Control part judges by whether receiving the battery low-voltage perceptual signal that spreads out of from power supply sense part 114 whether battery is in low-voltage state.
If confirm to receive the battery low-voltage perceptual signal, whether above-mentioned control part 111 will be in closed condition to the personal information terminal system is confirmed (ST320).
Above-mentioned closed condition refers to that just personal information terminal is in out-of-operation state.If the affirmation system is in above-mentioned closed condition, next step will enter system and activate the stage (ST330).
Promptly be in the state of the low electric weight of battery when above-mentioned terminating machine, during state that the system that is in again is activated, above-mentioned control part is carried out specific operation under the battery low-voltage state, whether affirmation has preserved the particular random memory data in the random access memory reservoir, and confirms whether to have started above-mentioned random access memory data hold function.(ST340)
That is to say when battery is in low-voltage state, system is still in operation process, that is, the user continues to carry out the operation of specific program, or when carrying out computing or reading displayed data content, deposit the needed particular data of user in the random access memory reservoir that in above-mentioned reservoir 115, possesses in, at this moment, when preventing that battery electric quantity from exhausting, the danger that data are deleted, carry out deposit data in the RAM reservoir in, data are duplicated and are stored in the non-volatile such as flash memory.And in above-mentioned ST340 step, control part is confirmed whether possessing the condition of data being duplicated and being saved in non-volatile such as flash memory just.
In general, whether possess above-mentioned condition and depend in flash memory as shown in Figure 2, whether to possess the restored data zone.
After finishing above-mentioned affirmation process, the data that above-mentioned control part will be stored in the user data area 421 in the above-mentioned random access memory 420 are duplicated and are deposited in the restored data storage area 413 of flash memory 410, finish the backup to data.At this moment, above-mentioned backup actions can use foregoing specific compress mode to compress storage.(ST350)
Fig. 4 is according to the inventive method, the recovery operation control flow chart that the data of preserving are restored.
Below with reference to Fig. 4, the recuperation of the data of preserving among the present invention is elaborated.
Connect the power supply of personal information terminal, restart the operating system of above-mentioned personal information terminal.(ST400)
Afterwards, control part 111 will be checked the data that whether exist needs to restore in the restored data zone in the non-volatile such as flash memory.(ST410)
If confirm not have needed restored data in above-mentioned restored data storage area 413, system will carry out the new download operation of reading, and omit being described in detail this operation here.(ST440)
On the contrary, have above-mentioned needed restored data if confirm above-mentioned restored data storage area, above-mentioned control part 111 will be carried out a Backup Data of depositing in above-mentioned restored data storage area will be restored to the random access memory reservoir 420 in the user data area 421 (ST420).At this moment, store if the restored data in the above-mentioned restored data storage area forms with compression, control part will restore after will carrying out decompression operation again.Afterwards, the data of being restored enter operation task pattern (ST430).That is to say, continue the preceding work pattern of operation disruption, like this, the data manipulation environment of this moment is consistent with the operating environment of these data that the user carries out before interruption.
Claims (6)
1. the data save method of a personal information terminal, this method be applicable to be equipped with volatility storage medium may and non-volatile storage medium may, and with battery-driven personal information terminal in, said method comprising the steps of:
Confirm whether battery is in the stage of low-voltage state;
When above-mentioned battery is in low-voltage state, judge whether system is in the stage of state of activation, described system is the operating system on the personal information terminal;
When described system is in closed condition, activate this system and confirm whether to have started the random access memory data defencive function, described closed condition is that personal information terminal is in unlatching but out-of-operation state;
When determining to have started the random access memory data defencive function, the particular data of storing in the above-mentioned volatility storage medium may is replicated and stores into the stage of non-volatile storage medium may.
2. data saving method of personal information terminal as claimed in claim 1, it is characterized in that: whether be in the stage of low-voltage state at described affirmation battery, the power supply sense part is tested to battery status, when confirming that battery is in low-voltage state, send the low-voltage perceptual signal to control part.
3. data saving method of personal information terminal as claimed in claim 1 is characterized in that: above-mentioned non-volatile storage medium may can be a flash memory, CF storer, SD storer, USB storage.
4. data saving method of personal information terminal as claimed in claim 1, it is characterized in that: in above-mentioned data saving method of personal information terminal, also comprise specific data are copied to specific region in the non-volatile from the volatility reservoir after, system enters the stage of " shut " mode", and described " shut " mode" is that personal information terminal is in closing state.
5. data saving method of personal information terminal as claimed in claim 4, it is characterized in that: comprise also that in above-mentioned data saving method of personal information terminal the described system that is in " shut " mode" after connecting new power, will be replicated in the stage of the RAM data recovery in the non-volatile storage medium may and the stage of carrying out the work pattern of above-mentioned restored data.
6. data saving method of personal information terminal as claimed in claim 5 is characterized in that: the employed pattern picture of user was consistent when above-mentioned work pattern interrupted with operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100401737A CN100401261C (en) | 2005-05-24 | 2005-05-24 | Data saving method of personal information terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100401737A CN100401261C (en) | 2005-05-24 | 2005-05-24 | Data saving method of personal information terminal |
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| Publication Number | Publication Date |
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| CN1869942A CN1869942A (en) | 2006-11-29 |
| CN100401261C true CN100401261C (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100401737A Expired - Fee Related CN100401261C (en) | 2005-05-24 | 2005-05-24 | Data saving method of personal information terminal |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312855A (en) * | 2012-03-09 | 2013-09-18 | 中兴通讯股份有限公司 | Information backup method and device, and mobile terminal |
| CN103399805A (en) * | 2013-07-08 | 2013-11-20 | 天津三星通信技术研究有限公司 | Method for managing mobile terminal standby interface and mobile terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193783A (en) * | 1997-03-17 | 1998-09-23 | 三菱电机株式会社 | Memory card |
| CN1230729A (en) * | 1998-03-26 | 1999-10-06 | 倚天资讯股份有限公司 | Personal digital assistant system capable of backing up data into nonvolatile memory |
| CN1427646A (en) * | 2001-12-21 | 2003-07-02 | 日本电气株式会社 | Mobile phone, data protecting method and program thereof |
| CN2560039Y (en) * | 2002-07-05 | 2003-07-09 | 尹启凤 | Data-processing equipment without missing data after power-off |
-
2005
- 2005-05-24 CN CNB2005100401737A patent/CN100401261C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193783A (en) * | 1997-03-17 | 1998-09-23 | 三菱电机株式会社 | Memory card |
| CN1230729A (en) * | 1998-03-26 | 1999-10-06 | 倚天资讯股份有限公司 | Personal digital assistant system capable of backing up data into nonvolatile memory |
| CN1427646A (en) * | 2001-12-21 | 2003-07-02 | 日本电气株式会社 | Mobile phone, data protecting method and program thereof |
| CN2560039Y (en) * | 2002-07-05 | 2003-07-09 | 尹启凤 | Data-processing equipment without missing data after power-off |
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| CN1869942A (en) | 2006-11-29 |
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Granted publication date: 20080709 Termination date: 20190524 |