EP0623896B1 - Carte à puce et dispositif de lecture d'une carte à puce - Google Patents

Carte à puce et dispositif de lecture d'une carte à puce Download PDF

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Publication number
EP0623896B1
EP0623896B1 EP94105920A EP94105920A EP0623896B1 EP 0623896 B1 EP0623896 B1 EP 0623896B1 EP 94105920 A EP94105920 A EP 94105920A EP 94105920 A EP94105920 A EP 94105920A EP 0623896 B1 EP0623896 B1 EP 0623896B1
Authority
EP
European Patent Office
Prior art keywords
data
chip card
smart card
memory
reader
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.)
Expired - Lifetime
Application number
EP94105920A
Other languages
German (de)
English (en)
Other versions
EP0623896A2 (fr
EP0623896A3 (fr
Inventor
Stefan Dipl.-Ing. Goss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0623896A2 publication Critical patent/EP0623896A2/fr
Publication of EP0623896A3 publication Critical patent/EP0623896A3/fr
Application granted granted Critical
Publication of EP0623896B1 publication Critical patent/EP0623896B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/55—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/13—Aspects of broadcast communication characterised by the type of broadcast system radio data system/radio broadcast data system [RDS/RBDS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/98—Physical distribution of media, e.g. postcards, CDs or DVDs

Definitions

  • the invention is based on a chip card, a reader for one Smart card and a use of a chip card for a radio receiver according to the genre of the independent Expectations.
  • Chip cards are already well known and in in many use cases. Because of the great effort The smart cards have developed standards that measure the dimensions of a Define the chip card and mark the places where the Chip card is to be contacted to energize the chip card supply to the memory and computer contained in the chip card to be able to operate and exchange data. Such a standard is ISO 7816. This standard also specifies how the Microprocessor of a chip card can be addressed by the reader should. To do this, insert the chip card into the reader transmit a reset signal and clock signals to the chip card from the reader.
  • the card responds to this with a so-called answer the reset as prescribed in the standard. After In response to the reset, data can be read from the chip card or again data are written to the chip card. Because of the dimension of the chip card, the bending stiffness required by the chip card and the areas provided for the chips are the Design of data storage and microprocessor limits set. Especially when there is a lot of data on the chip card a limit will soon be reached. From the DE-OS 41 12 828 a radio receiver has become known, into which a chip card can be inserted, the one to be inserted Chip card contains a data memory and the data memory Contains data relating to the vocabulary and the location code.
  • a system with two access devices ZE1, ZE2 and a chip card CK is known. Audio information "ai" is compressed in the compression module KM of the first access device ZE1 and the compressed audio information is written into the memory area SB of the chip card CK.
  • the Chip card CK consists of a memory SB for compressed data and a microprocessor MP.
  • the second Access device ZE2 has a reading module LM for the chip card CK and a conversion module UM, which the read audio information decompressed.
  • the data in the chip card CK are always compressed Transfer form to the second access device ZE2.
  • the chip card according to the invention with the features of The main claim has the advantage that given a Storage space increases the density of the stored information is. Due to the compressed storage of data in memory it is possible to accommodate much more data in the memory, so that the application area of the chip card is expanded. Especially in the case the radio receiver, it becomes possible to use a variety of location codes to save so that with the same chip card the use a radio receiver is spatially expanded without this must be deviated from a standardized chip card. Since the Chip card containing the decoding tables and the microcomputer of the Chip card is able to, due to the decoding table To perform decompression behaves the inventive Chip card as well as a known chip card. Despite the This chip card can therefore be used for increased storage options like the conventional, standardized chip cards.
  • the reader has the advantage that for chip cards with a compressed data set, you can choose whether the data is transmitted to the reader in compressed form should. While through the reader all the usual cards without more can be read by submitting a predetermined Data word to the chip card achieved that the chip card Decoding does not take place in the chip, but rather the information in a compressed form to the reader. Especially at This measure means that the reading time of the high data rates Chip card significantly shortened, so that the user of a corresponding Chip card in conjunction with a suitable reader Waiting time is significantly reduced since it is possible in the reader use much more powerful computers, so that a slow Data transfer from the chip card to the reader can be avoided is.
  • the reading device according to the invention therefore enables data transmission in particular also with large amounts of data from a chip card compressed data to the reader significantly shortened and thereby Waiting time for the user reduced.
  • chip card is used in the memory of the Chip card data for decoding coded traffic reports to file. It is also advantageous to store the Chip card to store data for voice reproduction of digital information. These measures make it possible to use the chip card Broadcast receivers or other electronic devices for use special places and languages.
  • FIG. 1 shows a radio receiver for use with the chip card according to the invention
  • FIG. 2 the chip card according to the invention
  • Figure 3 shows the operation of the microprocessor of the reader in a radio receiver
  • Figure 4 shows the operation of the microprocessor in the chip card.
  • FIG. 1 shows a radio receiver which has an antenna 1.
  • the signal picked up by the antenna 1 is fed to a tuner 2, who selects the high-frequency signals in a known manner and a desired radio transmitter to the operator of the radio receiver brings to hear.
  • an RDS decoder 3 is provided with which it is possible to digitally superimpose information on the radio program to decode and feed it to a microprocessor 4.
  • the microprocessor 4 receives from the decoder 3, for example as an RDS decoder is trained, RDS information or digitized Traffic reports in abbreviated form, such as in the DE-OS 35 36 820 is described in more detail.
  • the available in short form To make messages understandable to the radio listener happens by means of not shown display means, which is optical display means, for example screen or LCD displays can act, or also a voice advertisement, namely from the microprocessor 4 via the input / output unit Voice information can be called up, which is then called synthetic Voice output is played through the loudspeaker of the radio receiver can be.
  • the microprocessor 4 works in this Radio receiver on the one hand as a reader of the chip card and on the other hand as an evaluator of the output from the decoder 3 to the microprocessor News.
  • Decoding table 6 is only required if the microprocessor 4 should also read compressed data.
  • the decoding table contains the Information on how the compressed data is decompressed can. Are therefore on the connections 8 and the input-output unit 14 compressed data read, so it is by means of Decoding table 6 possible to decompress this data.
  • the electronic components of the chip card are shown in FIG.
  • the chip card has a memory 11 in which data in compressed form are stored or read can.
  • the memory 11 stands with a microcomputer 12 in Connection according to which the data of the memory 11 is stored in the memory 11 stored programs can edit.
  • the Microcomputer 12 connected to a decoding table 13.
  • the Decoding table 13 allows the microcomputer 12 to compress the Data to decompress memory 11.
  • the exit of the Microcomputer leads to an input-output unit 14, which the Data traffic between the microprocessor 12 and the contacts 15 controls.
  • Figure 3 shows the operation of the microcomputer 4, insofar as it relates to reading the chip card according to FIG. 2.
  • the microcomputer 4 for example, by switching on the Receiver is powered, continues at location 20 checked whether the contacts of a chip card at the connections 8 attack. This can be caused, for example, by a the lines 8 by inserting the card and making contact is pulled to a different impedance.
  • the microcomputer at point 21 notes that a card is inserted has been, the supply voltage is via one of the lines 8, 15 fed to the card. By supplying the supply voltage for the card, the computer in the card is activated.
  • the microprocessor 4 will place 22 a clock signal given so that the synchronicity of the operation between the Microcomputer 4 and the microprocessor 12 is guaranteed.
  • the microcomputer 4 also gives the microprocessor 12 a reset pulse, which causes the microprocessor 12 in a defined Condition arrived.
  • the microcomputer 4 is now waiting long until after the initialization of the microprocessor 12 of receives a message that he is now ready for operation.
  • the chip card would have to contain data that defines the location code or Contains information in different languages.
  • the microcomputer can determine this at the point 24 whether the chip card transmitted data words at least partially with the data words match that in the computer 4 for a special application are filed. Is for example the chip card for traffic news suitable, the code 100 is given by it.
  • the chip card suitable for making calls without cash for example the code 200 is issued and a chip card is suitable for to withdraw cash from ATMs, code number 300 is given.
  • the microcomputer 4 determines that the inserted chip card is not suitable for its application, so the microcomputer 4 a corresponding message and ends the contact with the chip card by ejecting the chip card or in otherwise requests the owner of the chip card that Take the chip card out of the device.
  • the calculator does found that the chip card is suitable for his device, in the embodiment to evaluate traffic news, so he jumps up digit 25 and activates the desired one on the map Application. This is particularly necessary if the chip card is suitable for several applications, for example not only serves to transmit data related to traffic news, but for other purposes, such as a phone card.
  • the microcomputer 4 now waits for the card has confirmed that the corresponding application is now activated, i.e. that for example traffic information from the map to Microcomputer 4 can be transmitted in the form of data.
  • the microcomputer 4 now waits for the card has confirmed that the corresponding application is now activated, i.e. that for example traffic information from the map to Microcomputer 4 can be transmitted in the form of data.
  • traffic information from the map to Microcomputer 4 can be transmitted in the form of data.
  • the microcomputer receives the information from decoder 3 I / 21, the microcomputer 4 calls via the microprocessor 12 Chip card the information stored under this number from the Memory 11 on. Under the specified in DE-OS 35 36 820 The coding is then from the memory 11 via the microcomputer 12 Text "1 km of slow traffic due to construction work on the passing lane" spent. This text can now be displayed graphically or if in the memory 11 information in synthetic Language were stored, this information also in the loudspeaker of the Broadcast receiver can be played.
  • the decoding table is still in the reader of the radio receiver 6 available, so in the microcomputer 4 with the structure of the Connection continued at point 27.
  • the microcomputer 4 asks at point 27 by means of a data word at microprocessor 12, whether he has data in compressed form or not, at the The response of the microcomputer is now evaluated at position 28. If there is no answer, it is clear that this is a common one Chipcard deals, which does not contain compressed data or else a transmission of compressed data is not provided. This is the case, for example, when it is expected that the stored data does not have to be transferred in large quantities. In this case, the process jumps to point 31, where the data transmission takes place can be started.
  • the microcomputer 4 receives from Microprocessor 12 replies that the data is stored compressed are asked at point 29 whether it is possible to use the data can also be transmitted in compressed form in order to then use the decoding table 6 in the microcomputer 4. If this question with yes is answered, the microcomputer 4 of the reader is located at point 30 set to decompress the compressed data can. Depending on whether in the reader of the receiver according to FIG. 1 the decoding table is included or not, therefore, between a normal data transmission or a fast data transmission to be switched when the special type of chip card this allows. Either way, the microcomputer 4 of the reader is on the point 31 ready to start communication with the chip card, as previously described. This whole The process is of course only once, namely after inserting the Chip card, necessary.
  • the mode of operation of the microprocessor 12 of the chip card is shown in FIG. 4 shown in more detail.
  • the microprocessor 12 After inserting the chip card, the microprocessor 12 and the other components of the card through the Connection contacts 15 with the supply voltage of the reader provided.
  • the microprocessor 12 receives the clock signals from the computer 4 of the reader and its reset pulse.
  • the one stored in the microprocessor 12 begins Program with the initialization of the microprocessor 12 and transfers at position 41 after completion of this initialization phase the answer of the reset via the connections 15 to the computer 4 of the Reader.
  • the microprocessor 12 now receives the Request from the computer 4 of the reading device whether, for example, traffic news are stored on the chip card.
  • the microprocessor 12 uses the decoding table 13 activated. If 4 data are now requested from the reader, so the compressed data 11 that is desired by the reader 4 are brought into the microprocessor 12 and there with the help of Decoding table 13 decompressed. The decompressed data will be then transmitted to the terminals 15 via the input-output unit 14 and so get to the computer of the reader 4.
  • the decoding table 13 is switched off and only the requested data by means of the microprocessor 12 from the Memory read out and transmitted via the data connections 15.
  • On position 46 can now be checked whether computer 4 that have data in compressed or uncompressed form would like to. The data should not be transmitted in compressed form are treated as if no answer from the computer was received.
  • the reading computer 4 compresses it Transmission is desired, so the decoding table at 47 13 switched off and the microprocessor 12 calls the desired data from the memory and sends them to the reading computer 4 without decoding. This completes the structure of the read / write process.
  • the advantages are particularly in connection with a chip card for the RDS radio data system.
  • the radio data system and In future, the digital radio program will also allow the inaudible Transmission of data parallel to the radio program.
  • tables are required in the receiver. These include all standardized events across Europe, cross-country and cross-border location descriptions and others Information to support message output.
  • this data is also preferred stored in chip cards so that the tables are easily adaptable and also are interchangeable for different countries.
  • An exchange of the geographical data allows the recipient to operate in different European countries where traffic news is broadcast become. Changing the language-specific data enables acoustic message output in various national languages.
  • the amount of memory required for a corresponding memory Traffic news card is relatively large.
  • a standard-compliant chip card is due to the large memory requirement with the currently available semiconductor technology can not be produced.
  • the letter E which has a high probability of occurrence has a short data word
  • the letter X a relative long data word assigned because it, at least in the German Language that has a low probability of occurrence.
  • the card manufacturer is at liberty how much effort it takes want to drive for data reduction and what kind of data reduction he uses. If an adapted reader is used, so there is the possibility of data transmission in compressed form to do what speeds it up. However, the reader must then and the chip card must be adapted to one another. It is useful in any case if the chip card is definitely independent of the Compression method can transfer decompressed data, but the Possibility exists if there is a particularly high data throughput it is desirable to provide a reader adapted to the chip card.
  • the Huffmann code for example, is a suitable compression method or the B1 code.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)

Claims (5)

  1. Carte à puce comportant un microcalculateur (12) et une mémoire (11) reliée à celui-ci pour les programmes et les données ainsi qu'une unité entrée/sortie (14) pour émettre et recevoir des informations sur les contacts de branchement (15), dans laquelle les données sont mémorisées à l'état comprimé dans la mémoire (11), et le microcalculateur (12) décomprime les données comprimées,
    caractérisée en ce qu'
    un tableau de décodage (13) est déposé dans la mémoire,
    après initialisation de la carte à puce par l'unité entrée/sortie (14), une information est reçue et exploitée dans le microcalculateur, et
    en fonction du résultat de l'exploitation les données dans la mémoire sont transmises à l'état comprimé ou décomprimé vers l'unité entrée/sortie (14).
  2. Carte à puce selon la revendication 1,
    caractérisée en ce que
    la mémoire (11) contient des données de décodage d'informations de circulation transmises à l'état codé.
  3. Carte à puce selon l'une des revendications précédentes,
    caractérisée en ce que
    la mémoire (11) contient des données pour des informations numériques de synthèse vocale.
  4. Appareil de lecture pour carte à puce selon l'une des revendications 1 à 3,
    comprenant un calculateur (4), une mémoire de données de programme (5) reliée au calculateur (4), une unité entrée/sortie (7) avec des branchements (B) pour émettre et recevoir les informations,
    caractérisé en ce qu'
    après initialisation de la carte à puce reliée au branchement (8), on transmet un mot de données du lecteur vers la carte à puce,
    pour un mot de données prédéterminé, on transmet les données de la carte à puce à l'état comprimé vers le lecteur,
    le calculateur (4) comporte un tableau de décodage (6), et
    à l'aide du tableau de décodage (6) le calculateur décomprime les données comprimées reçues.
  5. Application d'une carte à puce selon l'une des revendications 1 à 3 à un récepteur radio comprenant une partie réception (2) et un décodeur (3), notamment un décodeur R.D.S., pour décoder les informations complémentaires transmises sous forme numérique, comprenant un lecteur de carte pour lire la carte à puce introduite dans le récepteur radio,
    caractérisée en ce que
    les données du récepteur radio sont enregistrées pour l'exploitation des informations complémentaires transmises à l'état numérique et/ou des composants vocaux à codage numérique par la carte à puce,
    le récepteur radio émet un mot de données prédéterminé vers la carte à puce, et
    en fonction du mot de données prédéfini, on émet, à l'état comprimé, les données à lire ou on décomprime les données dans la mémoire.
EP94105920A 1993-05-04 1994-04-16 Carte à puce et dispositif de lecture d'une carte à puce Expired - Lifetime EP0623896B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4314614A DE4314614C2 (de) 1993-05-04 1993-05-04 Chipkarte und Lesegerät für eine Chipkarte
DE4314614 1993-05-04

Publications (3)

Publication Number Publication Date
EP0623896A2 EP0623896A2 (fr) 1994-11-09
EP0623896A3 EP0623896A3 (fr) 1995-06-28
EP0623896B1 true EP0623896B1 (fr) 2000-07-05

Family

ID=6487075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94105920A Expired - Lifetime EP0623896B1 (fr) 1993-05-04 1994-04-16 Carte à puce et dispositif de lecture d'une carte à puce

Country Status (2)

Country Link
EP (1) EP0623896B1 (fr)
DE (2) DE4314614C2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19503420A1 (de) * 1995-02-03 1996-08-08 Bosch Gmbh Robert Rundfunkempfänger zum Empfang und zur Wiedergabe von digital codierten Verkehrsmeldungen
DE19503416A1 (de) * 1995-02-03 1996-08-08 Bosch Gmbh Robert Verfahren zur Decodierung und zur Ausgabe von empfangenen digitalen codierten Verkehrsmeldungen
DE19527183A1 (de) * 1995-07-26 1997-01-30 Philips Patentverwaltung RDS-TMC-Rundfunkempfänger
DE19527831A1 (de) * 1995-07-29 1997-01-30 Philips Patentverwaltung RDS-TMC-Rundfunkempfänger
DE19542910B4 (de) * 1995-11-17 2005-01-05 Deutsche Telekom Ag Verfahren und Vorrichtung zum Schutz gespeicherter Daten
GB2317246B (en) † 1996-09-13 2001-08-08 Orange Personal Comm Serv Ltd Data store
DE19939433A1 (de) * 1999-08-20 2001-02-22 Mannesmann Vdo Ag Autoradio mit abnehmbarer Bedieneinheit
GB2357667A (en) * 1999-12-23 2001-06-27 Motorola Ltd Storage of traffic broadcasts in an RDS receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536820A1 (de) * 1985-10-16 1987-04-16 Bosch Gmbh Robert Verkehrfunk-decoder
JPS6314294A (ja) * 1986-07-03 1988-01-21 Nec Corp アイシ−カ−ド
JPH01219981A (ja) * 1988-02-29 1989-09-01 Nec Corp Ｉｃカード
JP2718129B2 (ja) * 1989-01-09 1998-02-25 凸版印刷株式会社 Ｉｃカード
DE4112828C2 (de) * 1991-04-19 1999-01-28 Bosch Gmbh Robert Chipkarte für einen Rundfunkempfänger
DE4228692A1 (de) * 1992-08-28 1993-01-21 Siemens Ag Chipkarte fuer audio- und videoinformationen

Also Published As

Publication number Publication date
DE4314614C2 (de) 1997-04-24
EP0623896A2 (fr) 1994-11-09
DE59409415D1 (de) 2000-08-10
DE4314614A1 (de) 1994-11-10
EP0623896A3 (fr) 1995-06-28

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