CN103348356A - Method for displaying readable contents on mobile reading device in location-restricted manner - Google Patents
Method for displaying readable contents on mobile reading device in location-restricted manner Download PDFInfo
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- CN103348356A CN103348356A CN2011800582261A CN201180058226A CN103348356A CN 103348356 A CN103348356 A CN 103348356A CN 2011800582261 A CN2011800582261 A CN 2011800582261A CN 201180058226 A CN201180058226 A CN 201180058226A CN 103348356 A CN103348356 A CN 103348356A
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Abstract
The invention relates to a system and method, by means of which the availability of readable contents (books, magazines, documents) can be limited according to location. The invention further relates to an electronic terminal, in particular a mobile reading device, having means for carrying out said method, and to the use of such an electronic terminal.
Description
The present invention relates to a kind of system and method, can be subjected to the availability of place constraint ground restriction readable content (books, magazine, document) by it.The present invention relates to a kind of electric terminal equipment in addition, especially mobile arrangement for reading has the device for this method of execution, and the use that relates to such electric terminal equipment.Require the right of priority of German application 102010053651.2.
Mobile arrangement for reading, namely so-called " E reader " put on market for some time.Portable computer and mobile phone, namely so-called " smart phone " also can be used as mobile arrangement for reading.Mobile arrangement for reading is characterised in that, it provides in digital form at display and has shown books, magazine and other paper document and make the possibility that they are readable thus, wherein can be a mobile arrangement for reading storage up to a hundreds of document.These documents can be transferred on the arrangement for reading or wirelessly by mobile radio or WLAN request via physical interface (for example USB).Readable content can unrestrictedly or after paying insert, and can not have other restrictedly available on this equipment after ordering.Thereby the user for example can be loaded into one or more documents (for example complete books) it and move on the arrangement for reading and locate in any place and read.
According to the known certain methods of prior art, by these methods readable content is transferred to arrangement for reading at the place, locality.Open source literature [1] has been described a kind of arrangement for reading, and it can be identified it and stop place and the reception content relevant with the place, as long as these contents can be used.This equipment can determine whether to have found this place and whether receive described content at this, transmits again avoiding.Thereby the user who guarantees such equipment only receives new or current content.Another document [2] has been described the employing of this technology in the museum, and wherein near the arrangement for reading show piece receives about the information of this show piece and via web browser and shows, and also can call this information after leaving this museum.In order to determine that stopping the place can use different technology.For example, arrangement for reading can receive radio signals (RFID[3], WLAN[4]) or pass through GPS[1] determine the position of this arrangement for reading.
But the application of telling about does not above have to consider: how to handle the content relevant with the place in case leave this place.Under the situation about telling about in the above, thereby content is retained on the arrangement for reading and can be also being consulted at other place, place constantly after a while.
But there is a lot of applicable cases, wherein for only just offered this reader and attach the importance when the reader rests in the specific room or rests on place, specific place readable content always.After leaving this place or room, this reader should not continue to insert described content.Should limit the availability of important, that permission is arranged or the content that copyright protection is arranged of for example security thus.
The example that needs this solution is content secret or that security is important.For example, authorities may wish to be equipped with this arrangement for reading for its staff, this arrangement for reading makes that some documents are readable in the duty room of authorities, but this arrangement for reading just no longer shows these contents under the situation that is not intended to or takes away wittingly outside the duty room.
Under bigger talks or meeting situation, also may existing wherein, confidential document (for example demonstrating and/or additional document) is transferred to the situation on the mobile arrangement for reading.As long as the content transmitted has characteristic secret or that security is important (copyright protection is perhaps arranged), these contents just should be deleted when leaving the meeting room.Assurance by one or more users simultaneously to the reading property of a lot of documents, but simultaneously by in case leave specific place and just delete these documents and protect the system of confidentiality can bring the remarkable advantage of use.
Task of the present invention described here is to guarantee, in case that content this arrangement for reading relevant with the place that can show at mobile arrangement for reading leaves the corresponding location is just no longer available.
Known prior art does not show solution for this reason.
Therefore need to show at mobile display the system and method for readable content with being used for the restriction place, utilize this system and method can overcome the shortcoming of present prior art.The theme of the solution of this task by characterizing in the claims, especially undertaken by the method according to claim 1.The expansion of this basic thought characterizes by dependent claims.
Fig. 1 illustrates the theory structure of system infrastructure.
According to the present invention, be used for ground, restriction place and show that at mobile display the system of readable content should comprise:
A) at least one subject positioner (1) is characterized in that, subject positioner sends the signal of clearly identifying this subject positioner.In order to carry out method of the present invention, subject positioner can also have at the receiving element of radio signal and have data processing unit.
B) at least one server (2) is characterized in that, all carry out the required data of this method in the server storage.The content that provides is provided these data with should limiting the place, and the rule of ac-tion, value and the algorithm that are used for using the needed checking of method of the present invention and encryption method.Server also has the connection (5) (wireless or wired) to communication network in addition.
C) at least one portable arrangement for reading (3), it can show the readable digital content in restriction place at display.Arrangement for reading has data processing unit, and have at least one transmission and receiving element with to being connected of communication network so that in order to carry out in this method of advising can with subject positioner and server communication (6,5).
System of the present invention is characterised in that, subject positioner (1) is arranged in the place, place or room (4) that the limited readable content that is subjected to the place constraint should be provided.Limited available readable content is stored in server (2) upward and can shows at portable arrangement for reading (3) with being subjected to the place constraint.
Be subjected to the limited available content in constraint ground, place to be transferred to arrangement for reading and can only to decipher at arrangement for reading by the signal that is received by subject positioner from server with encrypted form.
The central member of system of the present invention is so-called subject positioner (1), and it characterizes room or place (4) that this subject positioner is positioned at clearly.In preferred enforcement, subject positioner (1) is that short-range radio (for example, RFID, bluetooth) sends and receiving element.The operating distance of this radio signal can with should provide the room of the limited readable content that is subjected to place constraint or the size of place (4) to be set accordingly at this, and for example can be several centimetres or hundreds of rice.Importantly, the subject positioner transmission can be by the signal (ID) (6) of mobile mobile device (3) reception and clear and definite identifying object steady arm.This can transform in the following manner, and namely subject positioner sends signal with the time interval of rule.Also can consider just before the subject positioner under the situation of mobile arrangement for reading picked up signal this subject positioner send signal.Equally, it all is suitable can being received (6) and the light signal of handling, bar code or be gone back audible signal by portable arrangement for reading.In addition, subject positioner can receive signal (6) and for example further handle these signals in the scope of verification method from portable arrangement for reading.
For the important especially field of security, can also select the combination of a plurality of subject positioner certainly.Possiblely in addition be that the ID that is sent by subject positioner is with regular or irregular interval variation.
About the information of the place that is equipped with subject positioner (1) or room (4), limited available readable content, visit determined and the rule of ac-tion and the value that are used for carrying out the inventive method is positioned at least one server (2) at these places, places or in these rooms.The readable content in server admin restriction place.In the information in the identity of this server record and storage object steady arm and the possible place that is positioned at about subject positioner and locate available content in these places respectively.In addition, server has for to content-encrypt and the device that is enabled in the verification method between mobile arrangement for reading and the subject positioner.In addition, server is connected with mobile arrangement for reading via communication network (5).Readable content according to the data layout (epub, pdf, txt etc.) of correspondence with on the electronic form storage server.According to the identity of subject positioner, can be according to specific method by server to content-encrypt.The encryption method that can adopt, digital signature or certificate are that prior art is known for this reason.So the signal that the key that is used for deciphering for example can send from subject positioner on arrangement for reading generates, in order to can open content and show this content.This key and the signal that is sent by subject positioner can depend on the time and variable.
In may the implementing of system of the present invention, server and subject positioner can be integrated in the equipment.
In another of system of the present invention implemented, subject positioner and server were the ingredients of the mobile unit that can carry of personnel for example, thereby can only just can near these personnel to the access of readable content.
Reader or user's operation have the mobile arrangement for reading (3) for the device of carrying out the inventive method.This moves arrangement for reading has for the display that shows readable content.In addition, this moves arrangement for reading and has for example at least one accumulator, data receiving element, data processing unit and the data transmission unit of accumulator, and they all are that conversion method of the present invention is needed.Mobile arrangement for reading (3) wirelessly, just for example passes through WLAN or mobile radio (5) and is connected with server.This moves arrangement for reading and has receiving element (for example antenna, photoelectric sensor, microphone), utilizes this receiving element can receive the signal that send from subject positioner (1) (6).In addition, this moves arrangement for reading and has transmitting element, to be used for will carrying out the signal transmission (6) of method described here to subject positioner.
In addition, mobile arrangement for reading comprises the unit that at least one is used for the deletion data.Preferably, in the case in the time should can not conducting interviews again on arrangement for reading fully and can not delete these data with reproducing.In some security important use, can also in fact not delete these data, but these data are retained in encrypted form in the data-carrier store of mobile arrangement for reading, but lack no longer be provided under the situation of subject positioner the signal deciphered and therefore can not be on display displaying contents.The advantage of these some safe embodiments is, does not need to carry out again data under the situation in reentering predetermined room and transmits, but only need the data deciphering in order to can show again.
To the visit of arrangement for reading can be for example PIN by the user import and additionally guarantee safety.In addition, arrangement for reading has clear and definite device identification (for example sequence number, the number of IP address or integrated SIM card), can also identify the owner of arrangement for reading by this device identification.The availability that also is suitable for limiting the content in place in this method of advising is limited to specific arrangement for reading and is limited to specific user thus thus.
In order further to improve the security of this system, arrangement for reading can also be equipped with GPS.So can be additionally or alternative subject positioner ground confirm the stop place of arrangement for reading by the gps signal of arrangement for reading.
The ultimate principle according to the method for claim 1 by shown infrastructure is, mobile arrangement for reading (3) receives clear and definite sign (4) from this subject positioner near subject positioner (1) time, this moves arrangement for reading and sends this sign to server (2).This server determines to locate in this place limited available content.According to subject positioner, with predetermined method to described content-encrypt.By the signal that is sent by subject positioner can be on this arrangement for reading the contents decryption to existing with encrypted form.Outside the reach of subject positioner (1), so described content keeps encrypted form and no longer goes up readable at mobile arrangement for reading (2).
The exemplary enforcement of total system and operation method can be learned from Fig. 2.Based on this infrastructure of being formed by subject positioner (1), server (2) and portable arrangement for reading (3), in Fig. 2, set forth each possible method step.
1: in this was preferably implemented, subject positioner was that (bluetooth for example RFID) sends and receiving element short-range radio.The subject positioner that is arranged in the room sends short-range radio signals at regular intervals, and the sign that this subject positioner is utilized this short-range radio signals to transmit clearly to identify it (digital code, ID).The operating distance of the signal that sends and the size in related room coupling.Can consider that equally subject positioner just sent its sign before it when mobile arrangement for reading has received signal.
Mobile arrangement for reading receives the signal that is sent by subject positioner.In the preferred enforcement of arrangement for reading, receiving element enlivens all the time.Can consider that then this equipment is connected if close before this equipment or be in standbyly under the situation that radio signal receives.
2: mobile arrangement for reading sends the ID that receives server to and sends the requests for content that can use with this ID simultaneously.In this step, can additionally transmit the sign of arrangement for reading, by this sign can determine arrangement for reading, just whether the user of this arrangement for reading has the right to receive this content.
3: server is by the definite limited available content with this ID storage of the subject positioner ID that receives.If there is the setting for the limited users authority, then checks the sign of arrangement for reading and determine whether this arrangement for reading has the right to receive this content.
4: server for example sends to mobile arrangement for reading with the form of the tabulation of Document Title with the general view of available content.
5: in preferred enforcement, show that in the menu of arrangement for reading readable content provides at the place, place of subject positioner.This is by the symbol (icon) by the existing menu item or manifesting additional menu item by the display at arrangement for reading signals.
6: the user of mobile arrangement for reading determines whether it wants the content that provides to be provided and to want to visit which content that provides.This user for example selects title and discharges this content to the server request thus in the menu of arrangement for reading.
7: server is according to being the content-encrypt of the predetermined method of subject positioner to asking.
8: the content of encrypting is transferred to arrangement for reading.Simultaneously, the checking request at subject positioner is sent to arrangement for reading.Can guarantee that thus in fact arrangement for reading is positioned at the reach of this subject positioner and can transmit wrong ID.In preferred enforcement, this is by realizing according to the known challenge-response method of prior art.But this it is also conceivable that other verification method that should select according to hazard level (disposal password for example, TAN).
9: the checking request is transmitted to subject positioner by arrangement for reading.
10: in the data processing unit of subject positioner, generate this checking request responding according to predetermined method.
11: this response sends to arrangement for reading by subject positioner with the form of radio signal.
12: under the situation of good authentication, can be by the contents decryption of the response signal that is transmitted by subject positioner to request.Can open and read selected document then.
This content provides by unit ground (just for example by page or leaf or by chapters and sections ground).That is to say, after the request document under the one-time authentication case of successful, first page or chapter 1 are decrypted.In page turning or under the situation of another (next) chapter of selection, re-execute step 6-11.If checking success is again then transmitted, is deciphered and opens down one page or next chapter.
Same possible be, set certain period of time, content that institute transmit and decipher again encrypted and need verify again before in this time period, can visit this content.
If authentication failed does not then have fresh content to be transferred to arrangement for reading or the content transmitted can not be decrypted.This is for example in arrangement for reading does not rest on the reach of subject positioner, just no longer come to this when subject positioner receives signal.The content that has obtained can not be reopened, because can not generate for the key to contents decryption under the situation that lacks subject positioner.Access denied or this content to content are deleted.
Not too in the important use, can abandon verification method (step 8-11) in security.So limited available content directly is transmitted to arrangement for reading and can directly deciphers and open by the signal that is sent by subject positioner there after sending to subject positioner ID from arrangement for reading to server with being subjected to the place constraint.So as long as receive signal from subject positioner, this content just is provided always.If no longer receive signal from subject positioner, then this content maintenance encrypted form also stops the visit to this content thus.
In order to improve the security of system, can also a plurality of subject positioner be set at the three unities.So only limited available content just can be extracted when receiving useful signal from all subject positioner.In the case, can make up different technology, for example light signal and radio signal.Additional or instead, the gps signal that arrangement for reading can also be sent is used for accurately determining and confirms to stop the place.
In the enforcement of this method, if no longer receive signal from subject positioner, then in the menu of arrangement for reading, keep the general view to content, but document can not be opened, because authentication failed under the situation of corresponding requests, and can not generate the key for opening document, this for example shows by the symbol in the menu (icon).In this case, allow the user of arrangement for reading independently to delete tabulation or menu item.
In preferred enforcement, under the situation of authentication failed, from the data-carrier store of arrangement for reading and from menu item, fully delete content, or as long as authentication failed and content can not decrypted tabulations of just fully deleting the limited available content that is subjected to the place constraint.As the ultra-safe method that is used for the deletion data, recommend the multiple covering to data.
In addition, if content, tabulation or menu item are just deleted in checking repeatedly failure after the trial of specific times or after the specific time in equipment.
Equally, can set such moment: encrypted or from the data-carrier store of arrangement for reading, delete again from this content that limits the place constantly.
The application scenarios of system of the present invention is described below:
Enterprise or authorities should provide information for the staff on server.Enterprise or authorities also define place or the room that the staff should be provided by the information that provides, for example office, meeting room or have or do not have the whole building of outdoor equipment in addition.For this purpose, locate or in these rooms, arrange the subject positioner that for example radiation has the radio signal of limited action scope in these places.The identity of the subject positioner that each is set is coded in this radio signal clearly and is stored on the server, and is equipped with there in the reference of being located limited available content by the place of subject positioner mark.
The user of system (staff of enterprise or authorities or other have the people of authority) is equipped with mobile arrangement for reading.In the enforcement of considering of mobile arrangement for reading, the user at first must obtain identification at this arrangement for reading place, for example by input digit combination, fingerprint, iris scan etc.The transmission and the receiving element that are then used in subject positioner and server communication are activated.
If mobile arrangement for reading enters in the reach of subject positioner, then this mobile arrangement for reading receives the radio signal of this subject positioner and receives the ID of subject positioner thus.Arrangement for reading should for example identify and be transmitted to server by mobile radio or WLAN.Server is determined information and the content with this ID logic association, and will be subjected to the general view of the limited available content of place constraint to send to arrangement for reading.In the menu of arrangement for reading, show that to the user the limited available content that retrained by the place is provided and can be selected.Only show general view this moment, and content itself is still unavailable.
The user selects document and for example confirms its selection by clicking or contact display in tabulation.Server to discharge the request of selected document, and then server is encrypted and is enabled in the verification method of having set between arrangement for reading and the subject positioner to the content of asking according to predetermined method.Should guarantee that thus in fact mobile arrangement for reading is positioned at the reach of special object steady arm and does not have wrong ID to be sent to server.This verification method can be any according to the known Authentication-Type of prior art, and must be selected according to its security requirement by authorities or enterprise.In preferred enforcement, this realizes by challenge-response method.That is to say that server will be challenged via arrangement for reading and send to subject positioner, this subject positioner then generates response concurrent and gives arrangement for reading.But (disposal password for example, TAN), these verification methods should be selected according to hazard level also can to adopt other known verification method.Set the type of encrypting equally, accordingly.Therefore the rule of ac-tion of verifying only is serviced device with value and subject positioner is understood for carrying out.
Under situation about being proved to be successful, selected content can be decrypted on arrangement for reading.This content unit of pressing ground (for example press page or leaf or press chapters and sections ground) transmission.That is to say that the user can at first open first page or chapter 1 of the document of asking.The selection of page turning or next chapter is resend to server with request and is associated, and this server is encrypted and introduces checking again then.
This checking can be additionally links together with the identity of user or arrangement for reading, thereby is subjected to the limited available content of place constraint also can be subjected to the constraint of personnel or personnel group.
If the user leaves predetermined room or is not positioned at the place that characterizes by subject positioner ID, then arrangement for reading no longer receives signal from subject positioner.Arrangement for reading does not have acquisition in this case at the significant response of verification method, and loses the page or leaf of having opened of document and the visit of other page.General view and this content itself about the limited available content that is subjected to place constraint are deleted from the data-carrier store of arrangement for reading.Can consider in the case between dropout and content deletion, time delay to be set, to prevent under the situation that transient signals is disturbed, deleting content.
In the embodiment of replacing, also can use light source as subject positioner, for example the infraluminescence device.So the signal of launching is detected by the corresponding sensor in the portable arrangement for reading.Other possibility is 2D or 3D bar code, can detect these bar codes by arrangement for reading by the technology of alignment processing image.Another possibility is the subject positioner that sends ultrasonic signal, and this ultrasonic signal is by the microphone identification of the correspondence in the portable arrangement for reading.
The combination that in the important especially field of security, can also use a plurality of subject positioner.Thereby the light signal that for example has the limited action scope can be first subject positioner, and it is by for example being second subject positioner affirmation of radio signal.
For example be in library and the bookstore at other application possibility in the system of this suggestion.Thereby in the building, library, can provide for example document of book contents.Library users can be used in the library under the situation of system of the present invention by the books of portable arrangement for reading search expectation and as long as this user rests in the room in library and just read these books.The ID of subject positioner for example can be on server with corresponding department be positioned at affiliated books title logic association there.If the user leaves the building, library again, then lose the access to content again, thereby the situation of property infringement will not occur.Corresponding configuration can be used for bookstore, and the user obtains to read sample in bookstore, and when the user left the room of bookstore again, it is deleted again that this reads sample.If the user wants to buy book, then this user can carry out or buy the book of digital form by traditional mode.
Other application of system of the present invention can be, provides magazine, books or pamphlet to show with ground, restriction place in the waiting room of for example station hall, airport or clinic.
Reference citation:
[1]?US2010/0190513A1
[2]?Spasojevic?M.,?Kindberg?T.:?A?Study?of?an?Augmented?Museum?Experience.?HP?techreport.?19.07.2001
[3] Schwieren J., Vossen, G.:Implementing Physical Hyperlinks for Mobile Applications using RFID Tags. IDEAS in September, 2007,2007
[4] people such as Surminen J.M.: Location-based DRM using WiFi Access Points. ISCIT Symposium in October, 07,2007.
Claims (11)
1. be used for showing on ground, mobile arrangement for reading restriction place the method for readable content, it is characterized in that following method step:
-subject positioner sends clearly to identify this subject positioner and need only arrangement for reading and rests on the signal that is just received by arrangement for reading in the reach of subject positioner,
-arrangement for reading sends the identity of the subject positioner that receives server to and sends requests for content to using with this ID to server simultaneously,
-server is determined limited available content with this ID storage by subject positioner ID,
-server basis is encrypted content at the predetermined method of subject positioner,
-server sends to arrangement for reading with the content of encrypting, and simultaneously, is sent to arrangement for reading at the checking request of this subject positioner,
-checking request is transmitted to subject positioner by arrangement for reading,
-subject positioner sends this checking request responding to arrangement for reading,
-by the response of subject positioner can be on arrangement for reading to described contents decryption and open.
2. according to the method that is used for showing on ground, mobile arrangement for reading restriction place readable content of claim 1, it is characterized in that subject positioner just sends the signal of clearly identifying this subject positioner when having received the signal of arrangement for reading before it.
3. according to the method that is used for showing on ground, mobile arrangement for reading restriction place readable content of claim 1 to 2, it is characterized in that sending short signal by subject positioner can change.
4. according to the method that is used for showing on ground, mobile arrangement for reading restriction place readable content of claim 1 to 3, it is characterized in that, server at first sends to arrangement for reading with the general view of limited available content after obtaining subject positioner ID, which content the user of arrangement for reading can select to be transferred to arrangement for reading from server from this general view.
5. according to the method that is used for showing on ground, mobile arrangement for reading restriction place readable content of claim 1 to 4, it is characterized in that, the available content in restriction place is transferred to arrangement for reading by unit from server, and needs to carry out again proof procedure under the situation of selecting other unit.
6. according to the method that is used for showing on ground, mobile arrangement for reading restriction place readable content of claim 1 to 5, be further characterized in that, before subject positioner required checking again, the available content in restriction place showed the time of specific length at arrangement for reading.
7. one or more being used for according to claim 1 to 6 limits the method that ground, place shows readable content at mobile arrangement for reading, it is characterized in that, no longer after subject positioner receives signal, the described content of deletion from the storer of arrangement for reading.
8. one or more being used for according to claim 1 to 6 limits the method that ground, place shows readable content at mobile arrangement for reading, it is characterized in that, no longer after subject positioner receives signal, described content is retained in the storer of arrangement for reading with encrypted form.
9. one or more being used for according to claim 1 to 8 limits the method that ground, place shows readable content at mobile arrangement for reading, it is characterized in that, the acquisition of the content in restriction place is subjected to the constraint of user right, wherein identifies the user by the device identification of mobile arrangement for reading.
10. the system that is made up of one or more subject positioner, server and mobile arrangement for reading carries out the one or more uses that show the method for readable content on ground, mobile arrangement for reading restriction place according to claim 1 to 9.
11. system's execution of being made up of one or more subject positioner, server and mobile arrangement for reading limits the uses that ground, place shows the method for readable content according to the one or more of claim 1 to 9 at mobile arrangement for reading, wherein server and subject positioner are integrated in the equipment.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2011/002940 WO2012073108A1 (en) | 2010-12-03 | 2011-12-06 | Method for displaying readable contents on a mobile reading device in a location-restricted manner |
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| CN103348356A true CN103348356A (en) | 2013-10-09 |
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| CN2011800582261A Pending CN103348356A (en) | 2011-12-06 | 2011-12-06 | Method for displaying readable contents on mobile reading device in location-restricted manner |
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Application publication date: 20131009 |