CN101694778A - Method for preventing loss of data and movable data memory - Google Patents
Method for preventing loss of data and movable data memory Download PDFInfo
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Abstract
The invention discloses a method for preventing loss of data and a movable data memory. The movable data memory is a data memory and is characterized by including a first data memory and a second data memory, wherein the first data memory and the second data memory are connected into a combined data memory through a mutually matched data interface; the first data memory is simultaneously provided with a USB male port and a USB female port; the second data memory is provided with the USB male port; and the USB male port of the second data memory is inserted in the USB female port of the first data memory to consequently form a combined data memory. The method and the data memory effectively solve the problem that the easy loss of U disks causes the loss of data and are characterized by simple structure, convenient use and the like.
Description
Technical field:
The present invention relates to computer realm, particularly a kind of method and movable data memory that prevents loss of data.
Background technology:
At present, the movable data memory of a kind of being called " flash disk " is arranged, promptly " USB flash disk " often said brought into play critical role in the mobile data memory field.Because " USB flash disk " have small and exquisitely be easy to carry, memory capacity is big, low price, plug and play, but advantages such as hot drawing, so people often use its storage, copy and Move tool as data/file in routine office work.
Often need change the people that computer is handled official business for some, their major part is all liked operational data/data directly is stored on " USB flash disk ", even changed computer like this, also can directly handle official business by the data/data that reads " USB flash disk ", simultaneously the data/data storage after upgrading at " USB flash disk " so that use on next time or other computer.Small and exquisite carry convenient that brought of " but USB flash disk " also brought " USB flash disk " risk of losing easily to people simultaneously.In case " USB flash disk " lost, that will not only can make the significant data that is stored in it come to naught, the east stream that also can make former work simultaneously and make great efforts, and the result causes irremediable loss.
Summary of the invention
The present invention seeks to disclose a kind of movable data memory, this movable data memory both can divide does two independent storeies uses, also can be used as an integral combined storer and uses.When carrying or depositing, both can be placed apart, fully reduced data by risk of missing, even because one of them data-carrier store is lost, also can give required data for change by another data-carrier store;
Another object of the present invention is to disclose a kind of method that prevents loss of data, this method was both improved the hardware of storage data, again the method for data storage innovated simultaneously, and by both combination, effectively reduce the risk of loss of data, improved safety of data.
Purpose of the present invention is achieved by the following scheme:
A kind of loss of data movable data memory that prevents is a data-carrier store, it is characterized in that it comprises first data-carrier store and second data-carrier store, and first data-carrier store and second data-carrier store have independently storage unit respectively; First data-carrier store and second data-carrier store connect into a combined data storer by the data-interface of mutual coupling.
Described first data-carrier store has public mouthful an of USB and the female mouth of USB simultaneously; Second data-carrier store has USB public affairs mouth, and the public mouth of the USB of second data-carrier store is assigned behind the female mouth of the USB of first data-carrier store and is combined into a combined data storer.Like this, first data-carrier store and second data-carrier store can use separately USB interface to be inserted on the computer to use separately in the time of use, also can be combined into an overall data storer and be inserted on the computer and use.
As optimization, one of first data-carrier store and second data-carrier store also are provided with one in order to change the switch of individual memory cells capacity, and this switch connects into a global storage unit with the storage unit of first data-carrier store and second data-carrier store.Like this, in the time of the storage data, the capacity of assembled moving data-carrier store is the memory capacity sum of first data-carrier store and second data-carrier store.
Further optimize, described first data-carrier store has identical memory capacity with second data-carrier store.
A kind of method that prevents loss of data, it comprises hardware supported and software support; Be characterised in that described hardware supported is last arbitrary described movable data memory that prevents loss of data; Described software support comprises the steps:
Step 1. the recognition data storer is first data-carrier store/second data-carrier store or first data-carrier store and the second data-carrier store assembly;
Step 2. response events and triggering, the data/file in the storer is duplicated, deletes, pastes, moves;
Described data synchronization strategy comprises: when what be connected with computer is one of first data-carrier store and second data-carrier store, and the historical data that then is formed for record data/file change in this storer is upgraded tabulation;
When what be connected with computer is first data-carrier store and the second data-carrier store assembly, then the data of data storage cell coordination and response data variation incident and its storage of renewal synchronously in first data-carrier store and second data-carrier store;
When what be connected with computer is first data-carrier store and the second data-carrier store assembly, then reads the historical data of first data storage and second data-carrier store and upgrades tabulation and judge whether to exist data difference according to this tabulation; As exist data difference then according to both historical datas upgrade tabulation the file of storage is separately carried out duplicate or paste or move or cover substitute consistent to guarantee first data-carrier store with the data content of second data-carrier store.
As optimization, described software support also comprises:
1. be first data-carrier store and the second data-carrier store assembly when what be connected with computer, then the operation interface of computer only shows one of them data storage disk, another individual memory cells/memory disc is hidden automatically, and carries out the data synchronization updating of first data-carrier store and second data-carrier store in the backstage;
2. be first data-carrier store and the second data-carrier store assembly when what be connected with computer, and the switch 3 that detects movable data memory is closure state, then the operation interface of computer only shows one of them data storage disk, and this data available memory disc memory capacity is first data-carrier store and the second data-carrier store free memory capacity sum.
Further optimize, first data-carrier store of described movable data memory and second data-carrier store are for separately depositing or carrying; Arbitrary quantum memory is lost, and then obtains the data of being lost from other quantum memory.
A kind of method and movable data memory that prevents loss of data in sum, its produce effect significantly into:
1. when using this movable data memory to carry out data storage, also data are backed up simultaneously; Because first data-carrier store and second data-carrier store all have independently storage unit, even one of them is lost or damages, also can give desired data for change, so reduced the risk of loss of data greatly from another quantum memory;
2. this movable data memory both can have been done global storage use, also can do two independent quantum memories and use, and used flexible, convenient.Switch by storer can be integrated into a big storage unit with first data-carrier store and the second data-carrier store storage unit simultaneously, to satisfy some big file storage demands, has increased exponentially memory storage capabilities.
3. this prevents that the method for loss of data from having integrated the innovation of hardware and software aspect, fully the consistance of quantum memory (i.e. first data-carrier store and the second data-carrier store) data content of storing of assurance movable data memory and Data Update is synchronous, and final by the automated back-up of individual memory cells to data, reduced the anti-lost risk of data greatly.
Description of drawings
Fig. 1 is the structural representation of first data-carrier store;
Fig. 2 is the second data memory structure synoptic diagram;
Fig. 3 is the data memory structure synoptic diagram after the combination;
Fig. 4 is the another kind of structural representation of first data-carrier store;
Fig. 5 is the second data memory structure synoptic diagram;
Fig. 6 is the data memory structure synoptic diagram of the another kind of shape after the combination;
Fig. 7 is the internal circuit configuration block diagram of first data-carrier store;
Fig. 8 is the another kind of structured flowchart of the internal circuit of first data-carrier store;
Fig. 9 is the internal circuit configuration block diagram of second data-carrier store;
Figure 10 is the data-carrier store internal circuit configuration block diagram after the combination;
Figure 11 is another structured flowchart of data-carrier store internal circuit after the combination;
Figure 12 is the data storage of data-carrier store, one of new technological process more;
Figure 13 be the data storage of data-carrier store, more new technological process two;
Figure 14 be the data storage of data-carrier store, more new technological process three;
Figure 15 be the data storage of data-carrier store, more new technological process four;
Figure 16 be the data storage of data-carrier store, more new technological process five;
Specific embodiment
Below preferred embodiment is further elaborated:
Embodiment one
Shown in 3, a kind of movable data memory is disclosed.Wherein as shown in Figure 3, this combined type movable data memory connects into the combined type movable data memory by two first data-carrier store 1 and second data-carrier stores 2 with individual memory cells by a data-interface that matches each other.
As shown in Figure 1, first data-carrier store 1 is provided with public mouthful 11 of a USB and the female mouth 12 of USB simultaneously.Public mouthful 11 its effects of USB are that the usb data interface that assigns into PC during use is realized and the computer data exchange.Female mouthful 12 of USB are used to realize carry out to the power supply of second data-carrier store 2 and with it data transmission and exchange.During work, first data-carrier store 1 can directly use as a Stand Alone Memory.
With reference to the data-carrier store of figure 2, the second data-carrier stores 2 for having an individual memory cells.It is provided with public mouthful 22 of a USB, and during work, second data-carrier store 2 can directly use as a Stand Alone Memory.
With reference to figure 3, be the combined type movable data memory after the combination with two individual memory cells, wherein the USB of second data-carrier store is combined into a combined data storer after inserting in the female mouth 12 of USB of first data-carrier store for public mouthful 22.
With reference to figure 1 and Fig. 3, first data-carrier store 1 also is provided with a switch 3, switch 3 connects into a global storage unit with the storage unit of first data-carrier store and second data-carrier store, though with the time combined data storer memory capacity be the memory capacity sum of first data-carrier store 1 and second data-carrier store 2.Like this, when this combined data storer is inserted in the enterprising line data exchange of computer, storage, three kinds of application schemes can be arranged:
1). only show a data disks on the computer, promptly show first data-carrier store, 1/ second data-carrier store 2 one of them, another one can realize that it is hiding by program, while when this storer is carried out data storage and renewal, the computer system backstage is stored in that data-carrier store that is hidden simultaneously with these data and renewal automatically, with the data synchronization updating of realizing first data-carrier store, 1/ second data-carrier store 2 and the consistance that guarantees data content;
2). show two data disks on the computer, promptly first data-carrier store, 1/ second data-carrier store 2 shows simultaneously;
3). only show a data disks on the computer, the memory capacity of this data disks is first data-carrier store 1 and second data-carrier store, 2 memory capacity sums (being the situation of switch 3 closures).
With reference to figure 4 to 6, be another structure of the present invention, the described combined data storer of its Fig. 1 to 3 is compared, and the key distinction is that female mouthful 12 of the USB of first data-carrier store is different with the position of switch 3.Shape after first data-carrier store 1 and 2 combinations of second data-carrier store and also difference to some extent of structure, but their principle of work is identical.
In order better to realize the present invention, the inner structure to first data-carrier store 1 and second data-carrier store 2 is further described below:
Shown in figure 7 and 8, be first data-carrier store, 1 circuit structure block diagram.Usb 11 is connected with first storage unit circuit and carries out exchanges data and for its power supply; First storage unit circuit is common " USB flash disk " memory circuit; Connect a USB expanded circuit module (as shown in Figure 7) or a data buffer circuit module (as shown in Figure 8) between usb 12 and the usb 11; Wherein, as shown in Figure 7 its effect of USB expanded circuit module be when second data-carrier store 2 with after usb 12 is connected, by USB expanded circuit module can directly realize and computer between exchanges data, store, read etc.; As shown in Figure 8, be first data-carrier store, 1 another circuit structure block diagram; Usb 11 is connected with the data buffer circuit module and carries out exchanges data and power supply; First storage unit circuit is connected with the data buffer circuit module with usb 11; Last USB expanded circuit module and data buffer circuit module are established switch 3 respectively, and in order to change the duty of first data-carrier store 1, pilot lamp is used to show the duty of first data-carrier store 1 simultaneously.
With reference to shown in Figure 9, be second data-carrier store, 2 circuit structure block diagrams, promptly common " USB flash disk " memory circuit, second storage unit circuit is connected with USB interface 22; Pilot lamp is used to show the duty of second data-carrier store 2.
With reference to Figure 10 and Figure 11, for having the combined type movable data memory circuit structure block diagram of two individual memory cells, promptly the USB interface 22 of second data-carrier store 2 is connected back circuit structure block diagram with the usb 12 of first data-carrier store 1.Wherein Figure 10 is, has first data-carrier store 1 of circuit structure and combining of second data-carrier store 2 as shown in Figure 7; Figure 11 is to have first data-carrier store 1 of circuit structure and combining of second data-carrier store 2 as shown in Figure 8.
In order to guarantee that first data-carrier store 1 has identical data storage with second data-carrier store 2, the present invention should also have a program support, and the function that this program realizes comprises:
1. when the combined type movable data memory with two individual memory cells is done overall data storer use, guarantee the data synchronization updating of two data storage cells in it and the consistance of data content by this program.
2. when this combined type movable data memory is taken as two independent data storeies and uses, no matter use which quantum memory, this program all to available data in it and more new data keep a record and identify, and form data history and upgrade and tabulate.When two quantum memories are combined into a combined type movable data memory use, program compares and mutual more new data data storage separately according to the data history renewal tabulation of two quantum memories, has identical data content through complementary to reach both at last.
3. the switch when the combined type movable data memory is closed, and it is the capacity sum of its first memory 1 and second memory 2 that this program makes the storer after the combination.
4. the combined type movable data memory with two individual memory cells is discerned by each operating system and worked as it and only show when data-carrier store uses as a whole with a data disks, another data disks is hidden, upgrade the data that are hidden data disks by system's background synchronization, have identical data to guarantee two individual memory cells.
A kind of method that prevents loss of data, it is by the described movable data memory of loss of data that prevents data to be stored, and realizes reducing the risk of missing of data under the booster action that software is supported, improves the method for the security of data storage.
The core of this method comprises:
1. use data-carrier store of the present invention that data are stored;
2. first data-carrier store 1 and second data-carrier store 2 separately carry or deposit;
3. first data-carrier store 1 keeps having identical data with second data-carrier store 2 during the box-like use of memory set;
4. first data-carrier store 1 and second data-carrier store 2 keep data synchronization to upgrade during the box-like use of memory set;
Wherein core 1 and core 2 are the hardware guarantees that prevent loss of data, and the front is described in detail.The realization of core 3 and core 4 then needs a software support, thus below have and need how to realize the software support of core 3 and core 4 being described further.
With reference to Figure 12 and 13 is the flow process that realizes data storage and renewal under this software is supported:
With reference to 100 of Figure 12, movable data memory injects the data-interface (being USB interface) of computer here, if use for the first time, driving is installed then; Otherwise enter 101;
With reference to 101 of Figure 12, detecting and judging is that (quantum memory is meant first data storage device 1 or second data-carrier store 2 for quantum memory or compound storage; Compound storage is meant that first data storage device 1 combines with second data-carrier store 2), if quantum memory then forwards 102 to, otherwise forward 105 to;
With reference to 102 of Figure 12, detect or has judged whether the data modification incident at this place, carries out if having then forward 103 to; Described data modification incident comprises that data/file are preserved, moved, deletion, update request etc.
With reference to 103 of Figure 12, this place's response data is revised incident; And forward 104 to and carry out;
With reference to 104 of Figure 12, form historical data and upgrade record sheet (if existed then this tabulation is upgraded); The information that historical data is upgraded the record sheet record comprises the filename of deleted file and deleted time, the filename that increases file and increase time, mobile filename and traveling time (also having the start-stop position), the file that is updated and update time or the like; After this place finishes, forward 102 input at last to and carry out etc. to be detected or judged whether the data modification incident;
With reference to 105 of Figure 12, when detected and judge to compound storage at 101 places, program only showed a data disks (i.e. one of first data storage device 1 and second data-carrier store 2), and another is hidden; And forward 106 to and carry out;
With reference to 106 of Figure 12, detect or has judged whether the data modification incident at this place, carries out if having then forward 107 to; Described data modification incident comprises that data/file are preserved, moved, deletion, update request etc.;
With reference to 107 of Figure 12, the data modification incident of the storage unit of the storer of demonstration response, to data preserve, move, deletion, renewal etc.
After finishing execution with reference to 108,107 of Figure 12, program is upgraded the data of the memory data storage unit that is hidden in background synchronization.Finish and then forward 106 input after the renewal to and carry out etc. to be detected or judged whether the data modification incident.
With reference to Figure 13, for realizing another flow process of data storage and renewal under supporting at this software:
With reference to 200 of Figure 13, movable data memory injects the data-interface (being USB interface) of computer here, if use for the first time, driving is installed then; Otherwise enter 201;
With reference to 201 of Figure 13, detecting and judging is that (quantum memory is meant first data storage device 1 or second data-carrier store 2 for quantum memory or compound storage; Compound storage is meant that first data storage device 1 combines with second data-carrier store 2), if quantum memory then forwards 202 to, otherwise forward 205 to;
With reference to 202 of Figure 13, detect or has judged whether the data modification incident at this place, carries out if having then forward 103 to; Described data modification incident comprises that data/file are preserved, moved, deletion, update request etc.
With reference to 203 of Figure 13, this place's response data is revised incident; And forward 204 to and carry out;
With reference to 204 of Figure 13, form historical data and upgrade record sheet (if existed then this tabulation is upgraded); The information that historical data is upgraded the record sheet record comprises the filename of deleted file and deleted time, the filename that increases file and increase time, mobile filename and traveling time (also having the start-stop position), the file that is updated and update time or the like; After this place finishes, forward 202 input at last to and carry out etc. to be detected or judged whether the data modification incident;
With reference to 205 of Figure 13, when detect and judge to compound storage at 201 places, two data memory discs of program display (promptly only first data storage device 1 and second data-carrier store 2 show simultaneously); And forward 206 to and carry out;
With reference to 206 of Figure 13, detect or has judged whether the data modification incident at this place, carries out if having then forward 207 to; Described data modification incident comprises that data/file are preserved, moved, deletion, update request etc.;
With reference to the data modification incident of the storage unit response of 207 arbitrary storeies of Figure 13, to data preserve, move, deletion, renewal etc.
After finishing execution with reference to 208,207 of Figure 13, program is upgraded by the data of another memory data storage unit in background synchronization.Finish and then forward 206 input after the renewal to and carry out etc. to be detected or judged whether the data modification incident.
To sum up narrate the flow process of Figure 12 and 13, only, in application process, can increase step as required to optimize for realizing the synchronous core procedure of memory data, for example:
When one of first data-carrier store 1 of movable data memory spare and second data-carrier store 2 or two once use separately, then Figure 12 and 13 flow process are (between 105 and 106, between 205 and 206) also should be earlier whether the data of first data-carrier store 1 and second data-carrier store 2 be there are differences, if exist then the step of updating that links, promptly read the historical data that is stored in first data-carrier store 1 and second data-carrier store 2 respectively and upgrade record sheet, and upgrade record sheet according to historical data and judge whether difference of both data/files, if having then carry out complimentary action.For example first data-carrier store 1 had once increased certain file A separately, and second data-carrier store 2 had once been deleted file B separately, and then complimentary action should comprise the file B that deletes first data-carrier store 1; Duplicate the file A of first data-carrier store 1, and in second data-carrier store 2 places stickup etc., complimentary action is that Automatic Program is finished (shown in Figure 14 and 15).
When the switch 3 of movable data memory is closed, 105 and 205 in Figure 12 and 13 the flow process then, should change into and only show a data disks, the available storage of this data disks is the idle storage space sum (with reference to shown in Figure 16) of first data-carrier store 1 and second data-carrier store 2.
So Figure 12 and 13 two kinds of showing in numerous enforceable flow processs can or be deleted other step or subroutine according to concrete needs increase in the actual application; Under the situation that does not break away from the inventive method core, should belong to the scope of protection of the invention;
Claims (9)
1. a movable data memory that prevents loss of data is a data-carrier store, is characterised in that it comprises first data-carrier store and second data-carrier store, and first data-carrier store and second data-carrier store have independently storage unit respectively; First data-carrier store and second data-carrier store connect into a combined data storer by the data-interface of mutual coupling.
2. movable data memory as claimed in claim 1 is characterized in that: described first data-carrier store has a USB public mouthful (11) and female mouthful of USB (12) simultaneously; Second data-carrier store has a USB public mouthful (22), and the USB of second data-carrier store public mouthful (22) assigns behind the USB female mouthful (12) of first data-carrier store and is combined into a combined data storer.
3. movable data memory as claimed in claim 2 is characterized in that: one of the first data-carrier store device and second data-carrier store are provided with one in order to change the switch (3) of individual memory cells capacity.
4. movable data memory as claimed in claim 3 is characterized in that: described first data-carrier store has identical memory capacity with second data-carrier store.
5. method that prevents loss of data, it comprises hardware supported and software support; Be characterised in that described hardware supported is last arbitrary described movable data memory that prevents loss of data; Described software support comprises the steps:
Step 1. the recognition data storer is first data-carrier store/second data-carrier store or first data-carrier store and the second data-carrier store assembly;
Step 2. response events and triggering, the data/file in the storer is duplicated, deletes, pastes, moves;
Step 3. upgrade data in the movable data memory automatically according to data synchronization strategy;
Described data synchronization strategy comprises: when what be connected with computer is one of first data-carrier store and second data-carrier store, and the historical data that then is formed for record data/file change in this storer is upgraded tabulation;
When what be connected with computer is first data-carrier store and the second data-carrier store assembly, then the data of data storage cell coordination and response data variation incident and its storage of renewal synchronously in first data-carrier store and second data-carrier store;
When what be connected with computer is first data-carrier store and the second data-carrier store assembly, then reads the historical data of first data storage and second data-carrier store and upgrades tabulation and judge whether to exist data difference according to this tabulation; As exist data difference then according to both historical datas upgrade tabulation the file of storage is separately carried out duplicate or paste or move or cover substitute consistent to guarantee first data-carrier store with the data content of second data-carrier store.
6. the method that prevents loss of data as claimed in claim 5 is characterized in that described software support also comprises:
Step 4. when what be connected with computer is first data-carrier store and the second data-carrier store assembly, then the operation interface of computer only shows one of them data storage disk, another individual memory cells/memory disc is hidden automatically, and carries out the data synchronization updating of first data-carrier store and second data-carrier store in the backstage.
7. the method that prevents loss of data as claimed in claim 5 is characterized in that described software support
Also comprise:
Step 5. when what be connected with computer is first data-carrier store and the second data-carrier store assembly, and the switch 3 that detects movable data memory is closure state, then the operation interface of computer only shows one of them data storage disk, and this data storage disk available storage is the free memory capacity sum of first data-carrier store and second data-carrier store.
8. the method that prevents loss of data as claimed in claim 5 is characterized in that:
First data-carrier store of described movable data memory and second data-carrier store are for separately depositing or carrying; Arbitrary quantum memory is lost, and then obtains the data of being lost from other quantum memory.
9. as claim 6 or 7 arbitrary described methods that prevent loss of data, it is characterized in that:
First data-carrier store of described movable data memory and second data-carrier store are for depositing separately or carrying; Arbitrary quantum memory is lost, and then obtains the data of being lost from another quantum memory.
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| CN103377005A (en) * | 2012-04-20 | 2013-10-30 | 中兴通讯股份有限公司 | Data synchronization method and device |
| CN102890850A (en) * | 2012-10-09 | 2013-01-23 | 成都汉康信息产业有限公司 | Geological disaster monitoring system and method |
| CN102890850B (en) * | 2012-10-09 | 2015-05-13 | 成都汉康信息产业有限公司 | Geological disaster monitoring system and method |
| CN107463463A (en) * | 2016-06-06 | 2017-12-12 | 佳能株式会社 | The control method and storage medium of information processor, information processor |
| CN109088729A (en) * | 2018-09-28 | 2018-12-25 | 北京金山安全软件有限公司 | Key storage method and device |
| CN109240858A (en) * | 2018-09-28 | 2019-01-18 | 北京金山安全软件有限公司 | Data recovery method and device, digital wallet equipment and readable storage medium |
| CN109302284A (en) * | 2018-09-28 | 2019-02-01 | 北京金山安全软件有限公司 | Hardware wallet |
| CN109308609A (en) * | 2018-09-28 | 2019-02-05 | 北京金山安全软件有限公司 | Transaction confirmation method and device, digital wallet equipment and readable storage medium |
| CN109389397A (en) * | 2018-09-28 | 2019-02-26 | 北京金山安全软件有限公司 | Hardware wallet |
| CN109088729B (en) * | 2018-09-28 | 2021-03-26 | 北京金山安全软件有限公司 | Key storage method and device |
| CN109389397B (en) * | 2018-09-28 | 2021-11-26 | 北京金山安全软件有限公司 | Hardware wallet |
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