CN102193764A - Electronic system and method for displaying and processing multiple files - Google Patents

Electronic system and method for displaying and processing multiple files Download PDF

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Publication number
CN102193764A
CN102193764A CN2010101216927A CN201010121692A CN102193764A CN 102193764 A CN102193764 A CN 102193764A CN 2010101216927 A CN2010101216927 A CN 2010101216927A CN 201010121692 A CN201010121692 A CN 201010121692A CN 102193764 A CN102193764 A CN 102193764A
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document
window
content
book
philosophical works
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CN2010101216927A
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CN102193764B (en
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董元华
黄亮
蔡世光
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Inventec Appliances Shanghai Corp
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Inventec Appliances Shanghai Corp
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Abstract

The invention discloses a system (100) and a method for displaying and processing multiple files. The system comprises an e-book user interactive terminal (101), an e-book processing module (102) and a data storage unit (103), can display multiple files on a screen. The system also comprises a file operating system (108), wherein the file operating system can support the establishment of a first window in which a first file is displayed, and a second window is established on the first window and a second file is displayed in the second window. The system also can save the second window and the files as bookmarks to ensure that a user can conveniently select opening during reading in the future to restore the reading scene in a book at that time in real time; and the number of the bookmarks is not limited and the bookmarks are independent from one another. The system also supports the comparison of the contents of the first file and the second file, and generates a comparison result. By using the system, the user breaks out of the troubles of artificial comparison to a large extent, and the accuracy of file comparison is improved.

Description

Show and handle the electronic system and the method for a plurality of documents
Technical field
The present invention relates to a kind of e-book system, particularly a kind of e-book system and many documents thereof that can show and handle a plurality of documents simultaneously shows and disposal route.
Background technology
E-book generally has two kinds of implications, and one refers to e-book, and one refers to e-book reading device.
The digital publication thing that on behalf of people, e-book read is traditional publication of carrier thereby be different from the paper.E-book is to utilize computer technology with information such as certain literal, picture, sound, images, and being recorded in light, electricity, magnetic by digital mode is in the equipment of medium, reads, duplicates, transmits by means of specific equipment.The main form of e-book has PDF, EXE, CHM, UMD, PDG, JAR, PDB, TXT, BRM or the like, and a lot of popular mobile devices all are to support it to read form at present.The development of digital publishing rights trade and Internet technology makes the user to buy easily than the more books of conventional book with cheap price, for the popular of e-book laid a good foundation.
E-book reading device is a kind of portable handheld electronic devices of can the reading electronic book nationality and designing.This equipment can be to aim at the reading electronic book nationality and the device that designs, also can be the device that has other function concurrently.In general, electronic book reading equipment is made of display device, user's operating terminal, microprocessor, memory storage, the software systems that are used for reading electronic book.Portable, easy-to-use, the capacious characteristics of E-book reader are fit to the modern life very much.
Along with the miniaturization of electronic reading equipment, particularly e-book and other mobile device to progressively the popularizing of the support of read function, the user is more and more higher to the requirement of the ease for use of electronic reading equipment.
Consider portable factor, existing e-book screen generally is not big especially, if all have not big harm usually when reading single document.But if reading or comparison when using many documents, or use quoting within the document when reading with the extension of reference, the user just has to switching between a plurality of documents or switching between a plurality of pages in document.Common predicament is that the user reads to get back to behind the somewhere of the document in front and perhaps will forget the content of reading just now when other document is read; Or it is in a dilemma to see that chart and text need between explaining not stop switching.Usually, the people is easier to comparison or reference for the thing ratio that can see simultaneously within sweep of the eye, and in case compared or the thing of reference shifts out outside the visual field, then the effect of comparison or reference has just been had a greatly reduced quality.
Promptly allow in E-book reading device to show a plurality of documents, but if relevant document function relatively can not be provided, depending workload that manual type compares alone, to be undoubtedly most of users institute not acceptant.And, the comparison of this manual type, its accuracy also is suspectable.
Early stage e-book generally can only provide the Presentation Function of single document on the market.This e-book can't show a plurality of documents on its display screen.Though existing another kind of e-book provides many documents Presentation Function, but the function ratio that its many documents show is more single, the display format relative fixed of display window and content, restricted the demand that the user need adjust the display format of document when reading a plurality of document, and the process of the comparison of this e-book still depends on user's artificial comparison.It should be noted that this equipment can not provide any marking Function,, still can't on e-book, write down its difference even the user has manually finished the comparison of document.This defective even make user's innumerable trials and tribulations ground realize the difference location by artificial comparison, but owing to lack effective recording method, but can't be finished the statistics of difference after comparison is finished.
In view of this, provide a kind of e-book system that can show and handle a plurality of documents simultaneously and many documents thereof to show and disposal route becomes urgently and the demand with realistic meaning.
Summary of the invention
The object of the present invention is to provide a kind of many documents demonstration and disposal route and system, can show a plurality of documents simultaneously, and the difference between these a plurality of documents relatively.
To achieve these goals, the invention provides a kind of many documents and show and disposal route, be used for showing and handle a plurality of documents that it may further comprise the steps: set up first window, show first e-book (being called for short " main book ") therein; Set up second window, show second e-book (being called for short " philosophical works ") therein; The content that reaches first e-book and second e-book compares.
The present invention also provides a kind of e-book system, and this system comprises: a) user interactions terminal, be coupled by input/output interface and processing module, and this terminal also further comprises display device and input control apparatus; B) processing module, this module comprises: digital signal processing unit, internal storage location, it is coupled by internal bus and digital signal processing unit, the file operation system, it is coupled by internal bus and digital signal processing unit, and can provide technical support in following two functions at least: a plurality of documents are compared the state and the content of at least one document is kept at the another one document as bookmark relevant position; C) data storage cell is coupled by data bus and processing module.
The e-book system that can show and handle a plurality of documents simultaneously provided by the invention and many documents thereof show and comparison method, shows on the screen of small-medium size and compare a plurality of documents and the user is operated easily.A series of philosophical works function provided by the present invention and Premium Features have greatly enriched the user experience of like product, satisfied user's reading requirement, make the user of mobile device use many documents, or use quoting within the document when reading with the extension of reference, and needn't switch between a plurality of documents or in document, switch between a plurality of pages, thereby improve the efficient of document comparison.And, make the user break away from the worry of artificial comparison to a great extent by a series of document disposal route is provided, improved the accuracy of document comparison.
Description of drawings
Fig. 1 is the functional structure chart of e-book according to an embodiment of the invention system.
Fig. 2 is the functional structure chart of electronic book data storage unit according to an embodiment of the invention.
Fig. 3 is the functional structure chart of electronic book documentary operating system according to an embodiment of the invention.
Fig. 4 (A)-4 (D) is the illustrative view of functional configuration of file operation according to an embodiment of the invention system.
Fig. 5 is the synoptic diagram of many documents Presentation Function according to an embodiment of the invention.
Fig. 6 is many documents Presentation Function process flow diagram according to an embodiment of the invention.
Fig. 7 (A)-7 (D) is the synoptic diagram that expression philosophical works window shape according to an embodiment of the invention changes function.
Fig. 8 is the synoptic diagram of demonstration non-rectangle philosophical works flow process according to an embodiment of the invention.
Fig. 9 (A)-9 (D) is the synoptic diagram that philosophical works the window's position according to an embodiment of the invention changes function.
Figure 10 (A)-10 (C) is the synoptic diagram that philosophical works window size according to an embodiment of the invention changes function.
Figure 11 is the process flow diagram of comparison function in the many document processing methods of the present invention according to an embodiment of the invention.
Embodiment
The e-book system that can show and handle a plurality of documents simultaneously and the many documents thereof that The present invention be directed to the electronic reader design show and disposal route.The system and method that the present invention relates to also can be applicable to other hand-hold electronic equipments that possesses the document read function, for example possesses the mobile phone of document read function, personal digital terminal, perhaps other small-sized mobile electronic device.
Various embodiment of the present invention describes with reference to the accompanying drawings.In Figure of description, the element with similar structures or function will be used the components identical symbolic representation.Be appreciated that ground, accompanying drawing is each embodiment of the present invention for convenience of explanation just, is not the explanation that will carry out limit to the present invention, neither limit scope of the present invention.
According to one embodiment of present invention, Fig. 1 is the functional structure chart of an exemplary e-book system 100.Be appreciated that ground, Fig. 1 has only shown the subelement of installing in 100, so that describe the structure and the operation of device 100 according to a preferred embodiment of the present invention.Device 100 comprises user interactions terminal 101, processing module 102 and data storage cell 103.User interactions terminal 101 is plugged into by input/output interface and processing module 102.Processing module 102 is plugged into by data bus and data storage cell 103.Wherein, user interactions terminal 101 comprises input control apparatus 104 and display device 105; Processing module 102 comprises digital signal processing unit 106, internal storage location 107 and file operation system 108, and internal storage location 107 and file operation system 108 are by internal bus and digital signal processing unit 106 couplings.
According to embodiments of the invention, input control apparatus 104 can be that keyboard, mouse, touch pad, trace ball, non-contact inductive plate or other possess the analog of instruction input function, or its combination.Display device 105 can be various types of equipment that satisfy video output request, for instance, can be LCD (LCD), cathode-ray tube display (CRT), electroluminescent display (ELD), light emitting diode (LED) etc.Digital signal processing unit 106 can be the various equipment that possess the digital signal processing function, for instance, can be that digital signal processor (DSP), general purpose microprocessor (MPU), microcontroller (MCU) or other possess the equipment of similar functions, or its combination.Internal storage location 107 can be various possess storage carry out in the equipment that memory function is arranged of data and program, for instance, can make dynamic RAM (DRAM), static RAM (SRAM), zero capacitance random access memory (ZRAM), pair transistor random access memory (TTRAM) etc.File operation system 108 comprises the operating system that is used to carry out document process, for instance, can be the operating system that is used to change window scheme, document content, document format or its combination.The implementation of file operation system 108 can be software (SOFTWARE), firmware (FIRMWARE) etc.
Data storage cell 103 can be the various nonvolatile memories that possess data storage function, for instance, can be magnetic hard disk, optical storage apparatus, ROM (read-only memory) (ROM) or other analog, or its combination.Data storage cell 103 also can comprise the interface of External memory equipment, for example, and the data-interface and the combination thereof of USB (universal serial bus) (USB), IEEE-1394 interface, AT Attachment Packet Interface (ATA), small computer system interface (SCSI) or other type.
Fig. 2 is the functional structure chart of electronic book data storage unit according to an embodiment of the invention.According to one embodiment of present invention, data storage cell 103 comprises data bus 201, built-in memory device 202, External memory equipment interface 203.Built-in memory device 202 comprises hard disk 204 and onboard flash memory 205.External memory equipment interface 203 comprises USB (universal serial bus) 206, IEEE-1394 interface 207 and AT Attachment Packet Interface 208.Be appreciated that ground, the device type of built-in memory device 202 includes but are not limited to hard disk 204 and onboard flash memory 205, and it can be any built-in nonvolatile memory that possesses data storage function.Be appreciated that ground equally, the interface type of External memory equipment interface 203 comprises but not only for USB (universal serial bus) 206, IEEE-1394 interface 207 and AT Attachment Packet Interface 208, it can be any data-interface type.
Fig. 3 is the functional structure chart of electronic book documentary operating system according to an embodiment of the invention.According to one embodiment of present invention, file operation system 108 comprises philosophical works Region control module 301, philosophical works picture control module 302, philosophical works functional module 303 and philosophical works Premium Features module 304.The function that philosophical works Region control module 301 is realized comprises the sequence of operations that display window is carried out, and for example regulates display window positions, regulates the display window size, regulates the display window size, regulates display window transparency or its combination.The function that philosophical works picture control module 302 is realized comprises convergent-divergent, rotation, translation, anti-white or its combination of document content.The function that philosophical works functional module 303 is realized comprises that content is exchanged, focus is switched, imports the philosophical works, saved as bookmark or its combination.The function that philosophical works Premium Features module 304 realizes comprises content comparison, Edition Contains and cancels editor or its combination.Understandable, embodiment is not limited in aforesaid exhaustive, and embodiment can comprise wherein one or more combination of aforesaid multiple function.
According to a preferred embodiment of the present invention, the concrete institutional framework of a kind of optional file operation system is shown in Fig. 4 A-4D.Show main postscript,, will enter philosophical works function, access the tabulation of philosophical works function menu, as philosophical works zone, philosophical works picture, philosophical works function, philosophical works Premium Features when pressing philosophical works function shortcut with the head of a household.Wherein philosophical works zone catalogue can comprise sub-directory philosophical works region shape, philosophical works regional location, philosophical works area size and philosophical works zone transparency etc.; Philosophical works picture catalogue can comprise that the rotation of philosophical works picture convergent-divergent, philosophical works picture, philosophical works pan and philosophical works picture are anti-white etc.; Philosophical works function can comprise that content is exchanged, focus is switched, imports the philosophical works, saved as bookmark etc.; Philosophical works Premium Features can comprise content comparison, Edition Contains and cancel editor etc.Import philosophical works function and can allow the user select the content of the philosophical works, default to current main book current page; Save as bookmark and can allow the user that the philosophical works content and the various state of current use are preserved, recover reading convenient next time rapidly.Understandable, embodiment is not limited in aforesaid exhaustive, and embodiment can comprise wherein one or more combination of aforesaid multiple function.
According to another embodiment of the invention, in using the e-book of touch-screen as input equipment, can operate the philosophical works by touch-screen, operating process and method are to above-mentioned similar.
According to one embodiment of present invention, many documents of e-book Presentation Function as shown in Figure 5.In Fig. 5, method of the present invention starts from step 501: show main page face A with the full screen display mode.After step 502 receives the control signal of opening book function in the book, in step 503, a newly-built window B on main page face A, while opening document B or document A itself, and its content is presented in the newly-built window, generally, window B is set to the top and shows.Use book in the book if chain, then need further navigate to its content of demonstration on the relevant position of this link corresponding page in step 503 at table of figures etc.So far, just finished the unlatching of book function in the book of e-book.As if book function in the book that need close e-book, then receive the subwindow shutdown signal in step 504, close philosophical works window in step 505 subsequently and get final product.
On main book window, set up philosophical works window, the window that is construed as the philosophical works can be arranged on the optional positions such as the place ahead, rear, right and left or upper and lower of main book window, philosophical works the window's position and main book the window's position can be partly or entirely overlapping, and this depends on user's hobby and the concrete needs when using.
Fig. 6 is many documents Presentation Function process flow diagram according to an embodiment of the invention.In Fig. 6, the present invention starts from step 601: the user is short in philosophical works key.In step 602, judge by system whether the philosophical works is in open mode.If then in step 603, close philosophical works window; If not, judge in step 604 then whether current cursor place is link.For document, the cursor place in the document also is " focus ", is the concrete ranks position of cursor of expressing the document of current reading.For window, so-called " focus " is meant which window current various operations (as amplification, rotation etc.) act on, and this moment, this window also was known as the window of " activation ".
If current focus then judges whether to have opened the philosophical works for link in step 605.
If opened the philosophical works, a prompting then appears in step 606, and the prompting client opens link.After the user receives prompting, in step 607, select whether to open link.If the user selects to open link, then in step 609, open philosophical works window and load this link.If the user selects not open link, then in step 610, open philosophical works window and load the philosophical works of opening last time.This philosophical works of record is an open record in step 612 then.
If do not open the philosophical works, then in step 609, open philosophical works window and load this link.This philosophical works of record is an open record in step 612 then.
If current focus is not link, judge in step 608 then whether this book had opened the philosophical works.If, then in step 610, open philosophical works window and load the philosophical works of last time, this philosophical works of record is an open record in step 612 then; If not, then open philosophical works window and load main book self in step 611, this philosophical works of record is an open record in step 612 then.
Fig. 7 A-7D is the synoptic diagram that expression philosophical works window shape according to the present invention changes function.According to another preferred embodiment, philosophical works region shape is variable, position changeable, and size variable, transparency is variable.Shown in the shape instance of Fig. 7 A-7D, the shape of the philosophical works is generally rectangle, but also can adopt circle, ellipse, polygon or even user-defined arbitrary shape.
Fig. 8 is the synoptic diagram of demonstration non-rectangle philosophical works flow process according to an embodiment of the invention.When realizing the special-shaped window of non-rectangle, at first set up a rectangular window 801 that comprises this irregular shaped region size, again by the draw philosophical works housing 802 of irregular shaped region defined by the user of picture.Next when showing philosophical works content 803, if displaying contents is in this irregular shaped region then show that normally if outside irregular shaped region, then no longer show philosophical works content, promptly the outer part of irregular shaped region shows main book content.Understandable, philosophical works region shape is not limited in pentagon as shown in Figure 8, and can be any by systemic presupposition or shape defined by the user.
According to another preferred embodiment, the user can regulate philosophical works position.Referring to the position change example of Fig. 9 A-9D, the position of the philosophical works can be moved arbitrarily in screen area, even philosophical works zone can partly be moved to outside the screen scope.
According to another preferred embodiment, the user can regulate philosophical works size.Size referring to Figure 10 A-10C changes example, and the size of the philosophical works can change, and minimum maximum can arrive whole screen from the discernible size of user, until covering main book.In this process, or the philosophical works can be regulated philosophical works transparency, at any time to show main book content when covering main book fully.
The user keeps reading and the reference to main book for convenience, and the transparency of the philosophical works can be regulated, from fully opaque to the bright adjusting of full impregnated.Become full impregnated when bright the philosophical works, system can provide corresponding prompting.
According to one embodiment of present invention, the content of the philosophical works can be supported convergent-divergent, rotation, translation and anti-operation commonly used such as white.Philosophical works content is supported convergent-divergent, can amplify or dwindle the multiple that the user needs; Philosophical works content support rotation is used in the consulting of some horizontal chart usually, makes things convenient for the user to read immediately; The content of the philosophical works is supported translation, and the user just can only be presented at the content of being concerned about in the philosophical works zone like this; The support of philosophical works content is anti-white, and common and transparency combination can conveniently consult or compare picture material.
According to another embodiment of the invention, the philosophical works can be supported to carry out literal comparison or image comparison with main book, and automatic position disparity, and its flow process as shown in figure 11.In Figure 11, this flow process starts from step 1101: the user selects to enter book comparing function in the book by the interactive terminal.In step 1102, judge automatically by interactive terminal selection or disposal system whether comparison pattern is that literal compares by the user.
If determine comparison pattern be literal relatively, then enter step 1103, to the content in the target comparison scope of the philosophical works and main book one by one literal carry out code relatively (as Unicode sign indicating number relatively), and in processing module shorthand difference.After relatively finishing, in step 1104, in the user interactions terminal, show and mark literal difference.
If determine comparison pattern be not literal relatively, then enter step 1105, the content individual element in the target comparison scope of the philosophical works and main book is compared, and in processing module recording pixel difference.In general, when image content relatively, only when each side such as the pixel resolution of two pictures and code standard are identical, can judge that just two pictures are identical.After relatively finishing, in step 1106, in the user interactions terminal, show and marked pixels difference.
After finishing the show tags of literal difference or pixel difference, handle in step 1107 waits for user.
The scope of comparison can be current page comparison or current region comparison.By the difference of the philosophical works and main book is provided to the user, this invention has alleviated the workload of the artificial contrast of user, has improved accuracy and efficient.
According to one embodiment of present invention, can switch by a key between philosophical works content and the main book content, also can become again once more.When the user imports the content switching command by the user interactions terminal, show the content of second e-book in first window, show the content of first e-book in second window, promptly the philosophical works becomes main book, main book varitron book.If inputting switching command once more, then main book and the philosophical works content during input instruction switched once more.The user can also be to window by interactive terminal input focus switching command, and the focus of the object of various operations this moment (as translation, amplification, rotation etc.) will be switched between first window and second window.This invention can make things convenient for the user that philosophical works details part is carefully consulted.
According to one embodiment of present invention, current various states and the content of the philosophical works can be used as the correspondence position that bookmark is kept at main book, make things convenient for consult again next time.The user may use other different philosophical works when reading documents content is carried out the reference reading, has the many places content need be by reference in the perhaps same philosophical works document, and at this moment bookmark just needs to load the dissimilar or content information of the philosophical works.The user holds instruction by the input bookmark, certain is carried out the philosophical works bookmark that the content that regulates and state save as correspondence position is set when consulting.The user continues in other place to use and regulate new philosophical works state and consult, save as the bookmark of reposition, bookmark is kept in first document, and number is not limit and be independent mutually, and can be selected read once more the time for the user, after the selection with the reading sight of book in the original book of instant recovery.In one embodiment, the user selects the somewhere bookmark in the main book, the content that the philosophical works then jumps out and display bookmark is indicated.In another embodiment, when the user selects the bookmark of the philosophical works type that the somewhere preserved, the philosophical works can be called in the various parameters that this bookmark is preserved automatically, the philosophical works that shows like this loads book contents and the various Window state that original user sets automatically, and Window state comprises window convergent-divergent, window rotation, window transparency and the window's position size etc.
According to one embodiment of present invention, the user can save as copy with the content of second e-book and parameter and copy be embedded the current location of first e-book.Like this, the current related content of the philosophical works can be merged into the relevant position of becoming owner of book and generate new main page face.
In some cases, the user may need the e-book content is edited, and philosophical works content and parameter are saved as copy, and embeds main book current location.Need take passages the excellent literal of other document such as the user, perhaps in document, paste other position picture etc.When the user selected editting function by the interactive terminal, if literal, the literal of then current philosophical works content can join main book corresponding position; If image, then the image in philosophical works zone can be directly embedded into the position of main book correspondence.This invention has great convenience for the user carries out every editor's action.In addition, if the user need reduce to content of edit, then can cancel function by the editor of present embodiment and carry out.
Be appreciated that ground, illustrated that above a kind of e-book system and many documents thereof that can show and handle a plurality of documents simultaneously shows and disposal route.Obviously, those skilled in the art should understand, above-described embodiment should think illustrative and nonrestrictive, and the present invention comprises that equally conspicuous for a person skilled in the art those carry out various modifications and variations to e-book of the present invention system.For example, the electronic installation that can show and handle a plurality of documents simultaneously is not limited to above-mentioned special electronic books, also can be the device that contains read function of any other type, as mobile phone, and personal digital assistant etc.If these modifications and variations of the present invention belong 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 changes interior.

Claims (10)

1. document more than a kind shows and disposal route, it is characterized in that, may further comprise the steps:
Set up first window, show first document therein;
On this first window, set up second window, show second document therein; And
The relatively content of first document and second document, and generation comparative result.
2. demonstration according to claim 1 and disposal route is characterized in that, are a bookmark with second window and document storing, the content and the status information of record second document in the bookmark.
3. demonstration according to claim 1 and 2 and disposal route is characterized in that, relatively the content of first document and second document may further comprise the steps:
Reception compares the signal that the back produces to the content of first document and second document; And
Judge still image comparison operation of execution contexts comparison operation.
4. demonstration according to claim 3 and disposal route is characterized in that, text comparison operation may further comprise the steps:
Content to first document and second document is word for word compared;
Record character difference; And
Mark also shows the difference character at least in one of first window and second window.
5. demonstration according to claim 3 and disposal route is characterized in that, this image comparison operation may further comprise the steps:
Content individual element to first document and second document is compared;
Recording pixel difference; And
Mark also shows the difference pixel at least in one of first window and second window.
6. demonstration according to claim 1 and 2 and disposal route is characterized in that, this method further comprises:
1) content one key switches, and it comprises that second document content switches to the demonstration of first window and first document content switches to the demonstration of second window; And
2) focus one key switches: comprise the operation focus is switched between first window and second window.
7. many document processing methods according to claim 1 and 2 is characterized in that, this method further may further comprise the steps:
The content and the parameter of second document are saved as copy; And
Copy at least a portion content is embedded first document.
8. an e-book system is characterized in that, this system comprises:
A) user interactions terminal, this terminal also further comprise display device and input control apparatus;
B) processing module is coupled by input/output interface and user interactions terminal, and this processing module comprises:
Digital signal processing unit,
Internal storage location, with the digital signal processing unit coupling,
The file operation system, it moves on digital signal processing unit, and carries out following operation:
(1) sets up first window, show first document therein, set up second window, show second document therein, and compare the content of first document and second document, and generate comparative result at this first window; And
(2) be a bookmark with second window and document storing wherein, write down the content and the status information of second document therein, this bookmark is kept in first document.
C) data storage cell is coupled with processing module.
9. the e-book system of describing according to Claim 8, it is characterized in that, data storage cell can be built-in data storage cell, also can be the interface of external data storage device of plugging into, or comprises built-in data storage cell simultaneously and the interface of the external data storage device of plugging into.
10. e-book according to claim 8 system is characterized in that the file operation system comprises document areas control module, document picture control module, document functional module and document Premium Features module.
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CN104580099A (en) * 2013-10-22 2015-04-29 北京神州泰岳软件股份有限公司 Method and system for managing firewall policy versions
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