EP2225647A2 - Portabler datenträger mit web-server - Google Patents
Portabler datenträger mit web-serverInfo
- Publication number
- EP2225647A2 EP2225647A2 EP08852928A EP08852928A EP2225647A2 EP 2225647 A2 EP2225647 A2 EP 2225647A2 EP 08852928 A EP08852928 A EP 08852928A EP 08852928 A EP08852928 A EP 08852928A EP 2225647 A2 EP2225647 A2 EP 2225647A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- data
- carrier
- stored
- data carrier
- memory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0888—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches using selective caching, e.g. bypass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Definitions
- the present invention relates to a method in a portable data carrier with a web server for data communication between the data carrier and a data processing device connected to the data carrier as well as such a data carrier.
- the web server provides data for the data processing device which it has previously requested by the web server either reading the requested data from a memory of the data carrier or, if the data is not stored in the memory, from a data providing device refers, eg from a server computer on the Internet.
- the data processing device can be, for example, a personal computer (PC), for which the data carrier acts as a so-called proxy. That is, the data carrier is facing an application on the PC, e.g. to a web browser installed on the PC, as a data provider - i. as a data server - on, in contrast to an Internet server computer as a data recipient - i. as a data client.
- a data carrier used in this way generally comprises an Internet protocol stack and can serve a user as an authentication gateway, for example, by a user. for online banking applications or the like.
- Portable data carriers eg chip cards
- Due to the limited buffer memory data communication between the data carrier and an Internet server computer must be used to obtain data that matches the data carrier and should be provided to the web browser on the PC, are divided into relatively small data packets. If the response times of the Internet server computer are high, for example, due to high traffic on the Internet at a certain time of day or a general heavy load of the respective Internet server computer, the Web browser, the requested data can therefore be provided very slowly.
- the medium can not rely on a known strategy of ordinary internet use without the use of an intermediate volume, according to which a web browser stores once-related data, possibly according to a user setting, on the hard disk of the personal computer to be able to read a future usage directly from the hard disk without having to contact an internet server computer.
- Such predictive storage is also called “caching", the corresponding memory is "cache memory”.
- the portable data carrier described above can not play the same role with respect to the Internet server computer as the cache-equipped web browser in the case of ordinary Internet use, since the data medium has too few resources, in particular too little non-volatile memory capacity to implement the well-known strategy of storing once-related data.
- WO 00/65800 A1 describes a system which comprises a portable device, for example a handheld device or a mobile radio terminal, with a web browser which exchanges contactless data with a server.
- the web browser stores all data once obtained from the server for possible future use. Is the storage space provided for this purpose stored data are deleted according to known strategies, eg the FIFO strategy ("first-in-first-out").
- a forwarding of the server-related data by the portable device to another data processing device is not disclosed in WO 00/65800 Al.
- WO 03/094474 Al a method for operating a mobile terminal is described.
- An application of the mobile terminal e.g. a web browser, whether data received from a server of the mobile operator includes a memory tag and stores thereon - only such data for future use, comprising such a memory tag. In this way, the mobile operator can determine what data is stored on the mobile station.
- WO 03/094474 also does not describe the forwarding of the data obtained from the server to a third instance.
- DE 10317147 A1 discloses a chip card with a flash memory and a cache memory in the form of a nonvolatile RAM memory.
- a memory system with very fast word-updatable, non-volatile memory is created by means of the flash memory and the non-volatile cache memory.
- Use of the smart card for data communication purposes between various devices, e.g. between a PC and an Internet server is not disclosed in DE 10317147 A1.
- This object is achieved by a method and a portable data carrier having the features of the independent claims.
- Advantageous embodiments and further developments are specified in the dependent claims.
- the method according to the invention is based on the idea that the data carrier itself decides whether data requested by a data processing device at the data carrier and obtained from a data provision device are stored non-volatilely in the data carrier.
- a web server of the data carrier receives a data request message from a data processing device connected to the data carrier, wherein the data request message relates to providing data for the data processing device.
- the web server then responds to the data request message by sending a data delivery message that includes the requested data.
- the web server either reads the data from a non-volatile memory of the data carrier or, if they are not stored in the non-volatile memory, obtains the data from a data supply device connected to the data carrier.
- the method according to the invention is characterized in that, if the requested data has to be obtained from the data provision device, the data carrier determines whether the related data is stored in the non-volatile memory of the data carrier for answering future data request messages.
- a correspondingly configured inventive portable data carrier accordingly comprises at least one communication interface, a non-volatile memory and a web server application.
- the web server The application is set up to receive a data request message from a data processing device connectable to the data carrier via the at least one communication interface, the data request message relating to the data processing device providing data to be provided.
- the web server application is further configured to respond to the data request message by sending a data delivery message that includes the requested data.
- the web server application either reads the data from a nonvolatile memory of the data carrier or, if the data is not stored in the nonvolatile memory, sends a data reference message to a data providing device which can be connected to the data carrier via the at least one communication interface and which has a reference to the Data from the data providing device, and finally receives the data to be obtained from the data providing device in the form of a data message.
- the portable data carrier further comprises a test application, which, if the data are not stored in the non-volatile memory of the data carrier and must accordingly be obtained from the data providing device, determines whether the data obtained is stored in the non-volatile memory of the data storage device. be stored.
- the data carrier permanently stores certain data obtained from the data provision device in a nonvolatile memory of the data carrier, it can provide this data again in the future if it is requested again by the data processing device without establishing another data communication with the data providing device have to. In this way, data traffic is avoided and the data processing device, the requested data are available quickly. Because the data medium independently decides whether and which data obtained by the data providing device are stored in the nonvolatile memory, the data carrier can respond flexibly to its own, fixed or variable resources as well as external circumstances and can perform the data provision for the data processing device individually and effectively. The overall load of the relevant data network is reduced, while the data processing device can be provided with the requested data faster. At the same time, the limited resources of the data carrier are taken into account.
- the test application is set up to determine, based on one or more storage criteria, whether data obtained from the data providing device is stored in the nonvolatile memory of the data carrier for answering future data request messages.
- Such memory criteria can be stored in corresponding files in a memory of the data carrier, which can access the test application.
- a first storage criterion by means of which the data carrier determines whether the data is stored in the non-volatile memory, specifies at least one data type for data to be stored, which is obtained from the data supply device.
- the test application determines that such data-provider-related data corresponding to the data type specified in the memory criterion is stored in the nonvolatile memory of the data carrier for the purpose of solving future data request messages.
- the predetermined data type is a graphic data type, a video data type, an audio data type, or the like, but other types of data are also possible.
- Websites use data with a graphic data type often as background image data, which remain unchanged even if textual content changes on the corresponding page. If such data are stored in the nonvolatile memory of the data carrier, the amount of data which must be obtained from the data providing device in a future request for the same Internet page by the data processing device usually decreases significantly since the background image data no longer needs to be obtained.
- a second storage criterion specifies a frequency with which data request messages relating to the data to be acquired are received.
- the disk determines so based on this memory criterion z. B. that data that are repeatedly requested by the data processing device, after a renewed reference from the data providing device are stored in the non-volatile memory of the data carrier. In the data carrier, this can be done e.g. a list is stored non-volatile, which contains an entry for requests so far requested by the data processing device per request.
- the data carrier can furthermore determine, based on a third storage criterion, which relates to a data volume of the data supplied by the data providing device, whether the data is stored in the non-volatile memory of the data carrier.
- the data carrier preferably determines that the data is stored in the nonvolatile memory if the data volume of the data supply device is related to the data.
- the data carrier determines that the data is stored in the nonvolatile memory when the data volume of the data supplied by the data providing device exceeds a maximum data volume predetermined by the memory criterion. In this way, z. B.
- each small files whose volume is below the predetermined minimum data volume are stored in the nonvolatile data carrier after obtaining the data supply device or that very large files whose volume is above the predetermined maximum data volume, are stored in the memory ,
- Storing numerous small files saves the disk from building up a data communication connection to the data providing device because of a very small amount of data to be obtained.
- the storage of large files is particularly advantageous when a response time of the data providing device is currently high, because to obtain large amounts of data must be transferred between the disk and the data providing device because of the limited buffer memory of the disk many data packets and the entire data transfer would take correspondingly long.
- a fourth storage criterion relates to a period of time required to obtain the data from the data provider.
- Such a time interval may in particular be the abovementioned response time of the data provision device, which elapses between a request of the data carrier in the data provision device and a response of the data provision device to the request of the data carrier.
- the test application of the disk can thus z.
- B. autonomously decide to store data obtained from the data providing device, when the response time of the data providing device exceeds a certain period of time. In this way it is possible, in the case of a very high utilization of the data providing device or of a transmitting data network in which the corresponding response times of the data provision device are correspondingly high, not to have to reload data once stored.
- a fifth storage criterion specifies predefined data as data to be stored. This is particularly useful if it is already known which data will often be requested in the future by the data processing device at the web server of the data carrier. This data can then be defined as data to be stored in accordance with the storage criterion described above, whereupon the data carrier, upon a first request of the data at the data providing device, determines that this data is stored in the non-volatile memory.
- the image background data may be defined as a home page of a bank's Internet presence as data to be stored in the nonvolatile memory, if prior to issue of the volume to a user it is known that the user has online banking transactions on the corresponding page of the data carrier Bank will perform.
- a sixth memory criterion can also relate to the size of a buffer memory of the data carrier.
- the data carrier can, for example, always store data relating to the data provision device in the non-volatile memory of the data carrier if the available buffer memory falls below a certain minimum size.
- the above mentioned different storage criteria can be used individually or in combination. The test application can therefore form several of the stated storage criteria for meaningful logical conditions and use them as complex storage criteria.
- the checking application is set up to determine from a remote storage criterion whether the data to be provided to the data processing device with the data providing message is to be stored by the data processing device. If the test application determines that this data is to be stored by the data processing device, a control application of the data carrier can provide the corresponding data with a memory instruction or with a memory instruction to the data processing device. In this way it is e.g. possible to relieve the disk in that the data processing device stores data on which it repeatedly accesses repeatedly, without having to request them again and again at the disk.
- the data carrier thereby has to process fewer data request messages of the data processing device and to obtain less data from the data supply device or to store them in the nonvolatile memory of the data carrier.
- the control application of the data carrier is further arranged to store data determined by the data providing device and determined by the checking application for storing in the nonvolatile memory, together with storage time information concerning the time of storing the data in the nonvolatile memory of the data carrier.
- the test application can store in the nonvolatile memory simply checking that the data stored on the data carrier is up-to-date and, in the case where the data processing device requests the data again, deciding whether the data must be retrieved from the data providing device or if the data stored in the nonvolatile memory together with the storage time information the data processing device can be provided.
- the control application of the data carrier can furthermore be set up, data acquired by the data provisioning device, which are determined by the data carrier to be stored in the non-volatile memory, when the data is first referred to in the form of a series of data packets of a first predetermined size, which is the size of a Buffer memory of the volume does not exceed, to obtain from the data providing device, and to store only a part of the related data packets in the non-volatile memory.
- the data is then obtained from the data providing device in the form of a sequence of data packets of a second predetermined size which exceeds the first predefined size.
- the control application specifies the first predetermined size substantially as the size of the buffer of the volume and stores only every other one of the related data packets in the non-volatile memory.
- the second predetermined size is set by the control application substantially as twice the first predetermined size.
- the resources of the data carrier in particular the available non-volatile memory, are spared by storing only the first half of the data packets in the non-volatile memory during the first connection.
- retrieving the data again from the data provision device is accelerated by the fact that, due to the double size of the data packets, only half the number of data packets is used. between the data providing device and the data carrier Ü must be transferred.
- the disk is only able to store half of such a data packet in its buffer memory.
- this is compensated for by the fact that, at the first acquisition of the data, the half of the data packet now lost in the further referencing has already been stored in the non-volatile memory as a half-size data packet.
- test application and the control application are preferably set up such that a point issuing the data carrier can configure the corresponding applications for later, intended use of the data carrier, e.g. via a configuration menu that can be called on the volume.
- corresponding applications can be subsequently changed or supplemented by the issuing agency, e.g. by specifying existing or by reloading further storage criteria.
- the data carrier according to the invention comprises as non-volatile memory a non-volatile cache memory in the form of a flash memory or a non-volatile RAM memory for storing the data supplied by the data providing device and intended by the test application for storage.
- a non-volatile cache memory in the form of a flash memory or a non-volatile RAM memory for storing the data supplied by the data providing device and intended by the test application for storage.
- the stored data can always be accessed quickly.
- Figure 1 shows a preferred embodiment of an inventive
- FIG. 2 components involved in a method according to the invention.
- a portable data carrier 10 which is shown here as a chip card, comprises a communication interface 20, a processor (CPU) 30 and a number of different memory components 40, 50, 60 and 70. Via the communication interface 20, the In the embodiment of FIG. 1, the data carrier 10 can exchange data with various communication partners to which it can be connected, for example via a card reading device (not shown). Other communication interfaces are possible, for example according to the USB or the SD standard. It is possible that the data carrier 10 is formed as a so-called dual interface data carrier and in addition to the contact-based communication interface 20, a contactless communication interface (not shown), e.g. in the form of an antenna coil, comprises, or even exclusively communicates without contact. The data carrier can also be designed, for example, as a mass storage device, as a USB token or the like.
- the data carrier 10 comprises a non-volatile, non-rewritable ROM 40 in which an operating system (OS) 42 for controlling the data carrier 10 is stored.
- the operating system 42 may include a TCP / IP protocol stack so that the volume 10 is capable of transmitting data over the Internet and receiving data transmitted therefrom.
- the TCP / IP protocol stack or the operating system 42 or at least However, one of them may also be stored in the nonvolatile rewritable flash memory 70.
- the flash memory 70 stores various applications executable on the processor 30, e.g. a web server application (WS) 72, a test application 74 and a control application 76. These applications will be described in greater detail below with reference to FIG. Data generated or needed by the applications may also be stored in memory 70.
- the flash memory 70 may also be configured as an EEPROM memory or the like.
- the data carrier 10 further comprises a volatile RAM memory 50, which comprises a buffer memory area 52, which is used, for example, to record data received via the communication interface 20 during data communication before they are further processed in the data carrier 10.
- the RAM memory 50 serves the data carrier 10 generally as a fast main memory.
- the data carrier 10 comprises a non-volatile, rewritable RAM 60, for example in the form of a FeRAM (Ferroelectric Random Access Memory).
- the memory 60 comprises a cache area 62, which serves to temporarily store data, so that the data carrier 10 can access it quickly, without the data via a data communication connection to be established via the communication interface 20, from a data providing device, eg a server on the Internet to have to relate.
- Web server application 72 may directly respond to this request by reading the appropriate data from cache memory 62 and sending it to the computing device as part of a data provisioning message.
- FIG. 2 schematically shows the above-mentioned communication partners of the data carrier 10 - the data processing device in the form of a personal computer (PC) 100 and the data providing device in the form of an internet server 200.
- Data communication with the data carrier 10 can also be achieved between other devices and via other communication networks take place, eg with a mobile radio terminal in the role of the data processing device and a server of a mobile radio provider as data providing device. Part of the data communication is then contactless, via a corresponding mobile network.
- the data carrier 10 may be connected as a proxy between the PC 100 and the server 200 and either directly respond to data requests from the PC 100 or obtain the requested data from the server 200 and then forward it to the PC 100.
- a preferred embodiment of a method for performing such data communication is described in detail below with reference to FIG.
- an application executed on the PC 100 such as a web browser application, sends a data request message to the data carrier 10 connected to the PC 100, for example in the form of an HTTP request with which the web browser receives data from the data carrier 10. calls.
- the web server application 72 of the data carrier 10 receives the data request message via the communication interface 20 in step 1010 and checks in step 1020 whether the requested data is stored in the cache memory 62 of the data carrier 10.
- web server application 72 responds to the web browser data request message in step 1030 by reading the data from cache memory 62 and sending a data delivery message containing the requested data to the web browser, for example, Form of a corresponding HTTP response.
- the web server application 72 obtains this data from the internet server 200 in step 1100. To this end, the web server application 72 sends a data reference message to the computer in step 1110 Server 200, which is received by it in step 1120. The server 200 then provides the requested data in step 1130 and sends a data message including the requested data to the web server application 72 of the data carrier 10 in step 1140, which receives this data message in step 1150.
- the aforementioned test application 74 of the volume 10 checks to see if one or more predetermined storage criteria are met and then determines whether the data from the above control application 76 is stored in the cache memory 62. Once stored in the cache memory 62, data may be quickly and easily provided to the web browser of the PC 100 upon future request, as described above with respect to steps 1020 through 1040.
- the storage criteria may relate to both the requested data, as well as the current data communication with the server 200 parameters and parameters of the data carrier 10 and general preferences that are stored in the disk 10. It is possible that the test application 74 determines that the data will be stored if a memory criterion is met. However, it can only determine the data for storage when a combination of several storage criteria is fulfilled.
- the test application 74 can apply different combinations of storage criteria for various requested data. Also, the combinations for identical, multiple requested data may vary depending on other attendant circumstances.
- a storage criterion indicates that data requested by the web browser and having a corresponding data type should be stored in the cache memory 62. This may, for example, relate to a graphic, video or audio data type. Whenever the requested data has such a data type, which is converted into a data communication according to the HTTP protocol, e.g. can be read from the header entry "Content-Type", the test application 74 determines that the corresponding data is stored in the cache memory 62.
- Another storage criterion indicates that such data should be stored in the cache memory 62, which is requested several times by a data processing device, eg the web browser of the PC 100.
- the required frequency defined in the storage criterion may vary.
- the web server application 72 can be a simple list of entries on previously requested data, the test application 74 then tests whether the requested data is represented in a frequency defined by the storage criterion in the list. In this case, it is possible that an entry in the list, which is preferably stored non-volatilely, originates from a session of the data carrier 10 with a device deviating from the PC 100. If the data has already been requested in the required frequency, then the test application 74 determines that the data is stored in the cache memory 62. The entries about the requested data can then be deleted from the list of the web server application 72.
- the test application 74 determines that requested data is stored when its data volume falls below a certain predetermined minimum data volume or exceeds a predetermined maximum data volume. The test application 74 thereby determines, for example, that small files received by the server 200 are stored, so that the web server application 72 does not have to establish a new data communication connection to the server 200 when the web browser requests the file browser again. On the other hand, the test application 74 determines that very large files related to the server 200 are stored in the cache memory 62 of the volume 10.
- Another memory criterion relates to a period of time between the transmission of a data reference message by the data carrier 10 to the server 200 and the receipt of a data message from the server 200 in response to the data reference message. If this time span, the so-called server response time, exceeds a period of time defined in the storage criterion, then so the test application 74 determines that the requested data is stored in the cache memory 62 of the volume 10.
- Another storage criterion specifies data that, once acquired from the server 200 for the first time, is stored in the cache memory 62 of the volume 10. This usually concerns such data, of which it is known in advance that they will be repeatedly requested by the web browser of the PC 100 in the future.
- the test application 74 may make the decision as to whether requested data is dependent on the size of the currently available buffer memory 52 of the data carrier 10 and thus react to the current resource location of the data carrier 10.
- Another storage criterion could relate to the storage space still available in the cache memory 62.
- Other memory criteria may be used to determine if requested data 74, if not yet stored in cache memory 62, is stored there.
- test application 74 If the test application 74 has determined that the referenced data is not stored in the cache memory 62, then, before the data is sent to the web browser of the PC 100 as part of a data provision message in step 1260 in response to the data request received in step 1010. be determined based on one or more Fern arrivedkriterien whether the data is provided with a memory hint or a storage instruction, which determine that the data to be stored by the web browser on the hard disk of the PC 100.
- the Remote storage criteria may partially match the storage criteria set out above or be different.
- the web server application 72 sends the data provision message comprising the requested data, with or without a storage instruction, to the web browser of the PC 100 in step 1260.
- test application 74 determines that requested data is to be stored in the cache memory 62 while there is insufficient memory available for the data to be stored, then the control application 76 decides upon known policies stored in the cache memory 62 Data will be removed. According to the FIFO strategy, e.g. always clears the data that has already been stored in the cache memory 62 the longest. Another strategy, LRU (least recently used), pretends to erase the data that has not been requested the longest. Other strategies are possible.
- test application 74 If the test application 74 has determined data for the memory in the cache memory 62, it causes the control application 76 in step 1250 to store the data in the cache memory 62.
- the control application 76 then stores the data along with time memory information in the form of a timestamp indicating when the data has been stored. This helps to assess the timeliness of the data and simplifies strategies for deleting data from the cache memory 62. However, the timestamp may also be omitted.
- the web server application 72 sends the data delivery message comprising the requested data to the web browser of the PC 100 in step 1260.
- the obtaining of data from the server 200 described with reference to step 1100 is generally carried out by referring to a plurality of data packets which, in addition to a protocol-dependent header component, each have a data component of a certain predefined size.
- the size of this data portion can be agreed between the volume 10 and the server 200 at the beginning of the respective data transmission. Due to the limited resources of the data carrier 10, in particular the limited size of the available buffer memory 52, data of a larger volume can be received by the data carrier 10 only in the form of a plurality of data packets, each having a size that does not exceed the size of the buffer memory 52 exceeds. The smaller the data packets, the more of them must be transmitted accordingly and the longer the data transfer takes.
- the procedure may be as follows.
- the control application 76 specifies when first acquiring the data a size of the data packets to be received - more precisely, actually the size of the data portion of the data packets; the header portion usually has a negligible constant size - which essentially corresponds to the size of the buffer memory 52 - and stores only every other received data packet in the cache memory 62 when receiving the data packets.
- the control application 76 sets the size of the the data packets to twice the size, ie the size of the data packets now essentially equal to twice the size of the buffer memory 52. Accordingly, only half as many data packets as in the first Obtaining related and the corresponding download requires less time. Due to their size, the received data packets can now only be taken up in half by the buffer memory 52. Since, however, the respectively lost half of the data packet has already been stored in the cache memory 62 when first obtained - as a half-size data packet - the complete requested data is again available in the data carrier 10 and can be sent to the web browser of the PC 100 be sent. In this way, a middle ground between a moderate consumption of cache resources in the volume 10 can be found while responding to the requests of the web browser relatively quickly.
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007055653A DE102007055653A1 (de) | 2007-11-21 | 2007-11-21 | Portabler Datenträger mit Web-Server |
| PCT/EP2008/009740 WO2009065553A2 (de) | 2007-11-21 | 2008-11-18 | Portabler datenträger mit web-server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2225647A2 true EP2225647A2 (de) | 2010-09-08 |
Family
ID=40412615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08852928A Ceased EP2225647A2 (de) | 2007-11-21 | 2008-11-18 | Portabler datenträger mit web-server |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8595318B2 (de) |
| EP (1) | EP2225647A2 (de) |
| CN (1) | CN101868787A (de) |
| DE (1) | DE102007055653A1 (de) |
| WO (1) | WO2009065553A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2951845B1 (fr) * | 2009-10-28 | 2011-12-23 | Oberthur Technologies | Objet a microcircuit de poche et terminal de communication comprenant cet objet |
| CN101917458B (zh) * | 2010-07-12 | 2013-12-11 | 杭州华三通信技术有限公司 | 一种向客户机发送网络引导程序的方法及装置 |
| WO2016029384A1 (zh) * | 2014-08-27 | 2016-03-03 | 华为技术有限公司 | 一种资源下载方法、电子设备及装置 |
| CN112463365B (zh) | 2020-11-13 | 2023-01-10 | 苏州浪潮智能科技有限公司 | 提升对Flash通道控制器消息处理效率的方法及装置 |
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| JPH10187525A (ja) * | 1996-10-28 | 1998-07-21 | Matsushita Electric Ind Co Ltd | 代理情報取得装置および情報転送管理装置 |
| US6498897B1 (en) * | 1998-05-27 | 2002-12-24 | Kasenna, Inc. | Media server system and method having improved asset types for playback of digital media |
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2007
- 2007-11-21 DE DE102007055653A patent/DE102007055653A1/de not_active Withdrawn
-
2008
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- 2008-11-18 US US12/743,893 patent/US8595318B2/en not_active Expired - Fee Related
- 2008-11-18 WO PCT/EP2008/009740 patent/WO2009065553A2/de not_active Ceased
- 2008-11-18 EP EP08852928A patent/EP2225647A2/de not_active Ceased
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| Title |
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| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009065553A3 (de) | 2009-11-19 |
| US8595318B2 (en) | 2013-11-26 |
| US20100250838A1 (en) | 2010-09-30 |
| CN101868787A (zh) | 2010-10-20 |
| DE102007055653A1 (de) | 2009-05-28 |
| WO2009065553A2 (de) | 2009-05-28 |
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