WO2001041042A2 - Speicherkarte mit nichtflüchtiger anzeige - Google Patents
Speicherkarte mit nichtflüchtiger anzeige Download PDFInfo
- Publication number
- WO2001041042A2 WO2001041042A2 PCT/EP2000/012181 EP0012181W WO0141042A2 WO 2001041042 A2 WO2001041042 A2 WO 2001041042A2 EP 0012181 W EP0012181 W EP 0012181W WO 0141042 A2 WO0141042 A2 WO 0141042A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- memory
- card
- information
- display
- liquid
- Prior art date
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
- G06K19/07703—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
Definitions
- the present invention relates to a memory card with a display and in particular a memory card having a memory chip and / or p rozessorch ⁇ p and / or a magnetic stripe, and a display
- Soeicher cards with a magnetic stripe as memory and / or with a memory and / or processor chip are used in cashless money z 3, and are becoming more and more popular because they are interactive in addition to the pure recognition and storage of information, such as by means of a magnetic stripe Enabling communication with an external reader or writer. Accordingly, information can be read from memory cards, new information can be inserted into the memory card and information can be processed in interaction with the Soeicher badge, wherein communication between the card and reader / writer can take place either by inserting the card Has contact field which is brought into contact with corresponding contacts of the reading / writing device, or ao contactless, for example by inductive or capacitive information transmission
- the information content of the cards can only be read out in connection with a reading / writing device.
- the card holder In order to be able to read the information stored in the card, the card holder must use the reading / writing device to read the information stored on the card display
- cards In order to allow the cardholder to access the information stored in the card independently of a reader / writer, cards have been developed which have an information storage area which interacts with a liquid crystal display for displaying the stored information. Such cards with Fiüssigk ⁇ stail (LCD) displays are such. B: known from EP-0 291 259. For the operation of an LCD display, however, it is necessary that the display is supplied with energy.
- LCD Fiüssigk ⁇ stail
- Power is also required to activate a processor chip that stores the information that is to be displayed on the LCD.
- a means for storing information and a means for displaying information are arranged on the card 1 and are supplied with energy by a means for energy supply likewise arranged on the card.
- the means for storing the information is a memory / processor chip
- the means for display is an LCD display
- the means for power supply is a solar cell and / or a battery.
- the memory / processor chip is designed in such a way that it can communicate with an external means for writing, an external write / read device, the information contained in the memory / processor chip being read out and externally displayed by means of the external scream / read device, and new information is also displayed is pushed into the memory / processor chip.
- the LCD display makes it possible even without the external one
- Read / write device to display the information stored in the memory / processor chip.
- the memory / processor chip is activated and the information stored in the memory / processor chip is displayed by means of the LCD display, both the memory / processor chip and the LCD display being supplied with energy by means of the energy supply
- the PCT / EP96 / 05487 proposed, in addition to the memory / processor chip, as a first means for storing information on the card, a second means for Storage of information, to provide a so-called mirror memory, in which all the information that is also stored in the memory / processor chip is stored.
- the schematic structure of this solution is shown in FIG. 1b.
- this card also has an LCD display as a means for displaying the contain information stored in the first and second means for storing, and also contain a solar cell and / or battery as means for supplying energy to the mirror memory and the LCD display
- a switching device is provided in this card which allows switching between different operating states of the card, the power supply of the LCD display and the mirror memory also being able to be switched off.
- the information is not shown here Spe ⁇ che r / process Orchid activated, but the information is read from the Soiegel Grande, the less energy required as the memory / processor chip, can be saved whereby energy However, it remains as in the beginning besch ⁇ ebenen map also in this map of the disadvantageous high energy consumption of the LCD Display
- the mirror memory and the switching device i.e. two further components, are integrated into the card, which makes the structure of the card more complex and thus increases the production costs. Furthermore, due to the dimensioning of the very fl Achen memory cards comparatively difficult and accordingly expensive to integrate flat LCD displays with batteries and / or solar cells and switching devices into a memory card
- the invention is based on the object of designing a memory card of the type mentioned at the outset in such a way that the information content of the card can be read out at any time without any problem and without energy supply
- 2a shows the structure of a memory card according to the invention with a means for storing information which also serves as a means for displaying information
- 2b shows the schematic structure of a further memory card according to the invention with a first and a second means for storing information, the second means for storing information being at the same time a means for displaying the information
- FIG. 3a and b show the schematic structure of a further memory card according to the invention with a first and second means for storing information, the second means for storing information being simultaneously means for displaying information and a means for writing the second memory into the memory card .
- FIG. 4 shows a first exemplary embodiment of a memory card according to the invention shown schematically in FIG.
- FIG. 5 shows a section through the Soeicher certification of Fig. 4 along the line AA and a section along the line B-3 through the means for writing the memory card of Fig. 4th
- FIG. 8a and b show an exemplary embodiment of a memory card according to the invention shown schematically in FIG. 2a
- 9a and b show an exemplary embodiment of a memory card according to the invention shown schematically in FIG. 3;
- FIG. 9c shows a section through the map of FIG. 9 along the line A - A of FIG. 9b, and FIG. 9d shows an enlarged section of area B of FIG. 9c in a perspective view;
- 10a is a schematic representation of the functional principle of the second center for storing information and the means for writing information of the card of FIGS. 8 and 9,
- FIG. 10b shows an embodiment of the means for storing and displaying information which is suitable as a memory and display means according to the functional principle shown in FIG. 10a,
- 10c shows a further embodiment of the means for storing and displaying
- FIG. 10d shows a further embodiment of the means for storing and displaying information which is suitable as a memory and display means according to the functional diagrams shown in FIG. 10a;
- FIG. 12a to d further embodiments of the means for storing and displaying information, which is suitable as memory and display means according to the functional principle shown in FIG. 10a;
- FIG. 13 shows a further embodiment of the means for storing and displaying information, which is the memory and display means of the functional principle shown in FIG. 10a;
- FIG. 14 further developments of the second embodiment of the invention from FIG. 3;
- FIGS. 15a and b further formations of the means for storing and displaying information, which is the storage and display means of the functional principle shown in FIG. 10a, and of the means for writing the information according to the
- the basic idea of the present invention is to provide a memory card with a non-volatile display device of its current information content, for the display operation of which no energy is required.
- a memory card with a non-volatile display device of its current information content, for the display operation of which no energy is required.
- Card provided a means for storing information, which also serves as a means for displaying the information, and which is designed such that the stored information can be read by an external reader / writer and new information can be written into the means for storage.
- means for writing the memory can also advantageously be arranged on the card.
- a memory card in which, in addition to a first means for storing information, a second means for storing information is provided on the card, the second means for
- Storage of information also serves as a means of displaying the information.
- means are provided for writing the second memory, which make it possible, during or shortly before or after the read / write operation of the first means for storing, by means of an external read / write device, to store corresponding information in a second memory
- the information is stored non-volatile in the second memory and can be read from the ' second memory optically with the naked eye.
- the means for writing the second memory are arranged on the card and the means for writing the second memory draw their energy supply from an external read / write device which serves as means for writing the first memory
- FIG. 2a shows a memory card 2, a first embodiment of the present invention with a means for storing information which is arranged on the card 2 and which also serves as a non-volatile display of the information which can be read optically from the card with the naked eye the means for storing is designed in such a way that the information stored by it can be read by an external read / write device. Furthermore, a means for writing the memory is provided on the card according to the invention which is designed in such a way that information can be read in by the external read / write device the memory can be written
- FIG. 2 b shows a memory card 2, a further embodiment of the first embodiment of the present invention, with a first means for storing information and a second means for storing information which are arranged on the card 2.
- the first means for storing information is designed in such a way that it can communicate with an external read / write device which serves as a means for writing the first means for storing.
- the second means for storing according to the invention is designed such that it also serves as a non-volatile display of the information Writing of the second means is provided for storage, which is operated by the card holder after communication with the external read / write device, in order to write corresponding information into the second means for storage
- FIG. 3 a and b show a memory card 3, a second embodiment of the present invention, with a first means for storing information and a second means for storing information arranged on the card 3.
- the first means for storing information is formed such that it can communicate with an external read / write device, the first means is used to write the first means of storage.
- the second means for storing according to the invention is designed in such a way that it also serves as a memory and non-volatile display of the information, and in addition a second means for writing the second means for storing on the card 2 can advantageously be provided, which is the same as the first means for storing and / or the external
- the read / write device communicates and is supplied with energy by the external read / write device in order to write the corresponding information into the second means for storage.
- FIG. 4 shows a particularly simple embodiment of the first embodiment of the present invention, using the example of a money card 4 with a value of, for example, 1,000 currency units (for example: DM).
- the card 4 has a first memory 41, for example a memory chip 41 that can be read / written by means of a suitable read / write device, and / or a magnetic stripe in which the monetary value, in addition to optional other information, such as, for example: name of the
- the card 4 also has a second memory 42, which in the first embodiment of the invention is an unlabelled and kept area 42 with a suitable writable surface on the upper or lower surface of the card
- a suitable pin 43 is provided in the second memory 42.
- the elongated pin 43 has suitable dimensions which allow the pin to be transported together with the card and has a write head 431 at one end and an erase head 432 at its other end.
- the surface of the second memory 42 and the write head 431 of the pen 43 are designed in such a way that the pen 43 can be used to write on the surface of the memory 42 by hand, and after the writing operation the relevant information remains permanently on the memory 42.
- the surface of the second memory 42 and the erase head of the pin 432 are designed such that an erase head 432 is located on the memory 42
- the pin suitably has a length which is adapted to the length of the card, and on the pin 43 there are also means for fastening 432 of the pin on the card 4, which correspond to corresponding centers for fastening 432 ' on the card 4.
- 5 shows a section through the card 4 along the line AA of FIG. 4 and a section through the pin 43 along the
- the means for fastening 432 to the pin 43 are suitably two pairs of the longitudinal extension of the pin 4 spanning spars with suitable elasticity, which are opposite each other and each have mutually facing knobs, with corresponding recesses 432 ' on the upper and lower surface of the card correspond in such a way that the pin 43 can be locked for transport with the card 4, the knobs of the spars positively engaging in the recesses on the card, so that the pin 43 is on the long side with the card
- the dimensions of the spars, knobs and recesses and the material of the spars and knobs are selected such that the spars and knobs are suitable
- the operation of the card 4 according to the invention proceeds as follows.
- the cardholder buys goods in a shop, for example, worth 100
- the cardholder pays for the goods by removing the pen 43 from the card 4 in order to be able to insert the card 4 into an external reading / typing machine, and then inserting the card 4 into the typing / reading machine (or contactlessly with the card external reader / writer communicates)
- the remaining credit of 900 DM writes the external read / write device in the memory / processor chip 41 and / or on the magnetic stripe on the card 4 and shows the card holder the transaction that has taken place. Then ⁇ er Cardholder writes the card out of the read / write device and writes the value of 900 DM or 90% to memory 42 with the write head 431 of the pen 43. This means that the new credit stored in card 4 is now 900 DM at any time available, and the cardholder can see at any time which credit is available on the cash card.
- Memory 42 clears. It is clear that the card 4 according to the invention can also be recharged as desired, the amount in question also being written into the memory 42 after the previous amount has been deleted, so that the cardholder can easily recognize at any time how much credit is on his money card is saved.
- card 6a and b show the card 6, a further embodiment of the first embodiment of the present invention using the example of a telephone card of 50.00 currency units or telephone units of, for example (DM).
- card 6 has a first memory 61 (a memory and / or processor chip and / or a magnetic stripe) and a second non-volatile memory 62, both of which are arranged on card 6.
- the memory 62 according to the invention consists of a marking button 62 which is positively connected to the card 6 and which is changeable in its position relative to the card 6.
- FIG. 7a shows the marking button 62 from above and without a card 6; 7b shows the marker button 62 from below; and
- FIG. 7c shows a section through the marking button 62 along the line AA from FIG. 7b.
- the marking button 62 is cylindrical here and consists of a first cylinder 621 with a first average, and a second cylinder 622 with a second average, which is greater than the first average, an annular gradation 623 being formed between the first and second cylinders.
- An elongated notch 624 and a mark 625 are also formed in the top of the first cylinder 621, and knobs 623 ' are periodically formed on the annular step 623.
- 7d shows one Detail of the map 6 from FIG. 6 without the marking button 62 from above;
- Fig. 7e shows a section through the card 6 along the line AA of Fig. 7d; and
- FIG. 7f shows a partial section of the card 6 from FIG. 7d from below.
- the card 6 like conventional memory cards, consists of a middle one
- Plastic layer 6M which is arranged between two thin plastic cover layers 6D, 6D.
- a circular hole 63 with a first diameter 631 and a second diameter 632 is arranged in the card 6 and extends through one of the two cover layers 6D and through the middle layer 6M ,
- the hole 63 in the cover layer 6D has a first diameter 631, which corresponds to the first diameter of the first cylinder 621 of the marking button 62, and the hole 63 also has the first in a first section 631 in the middle layer 6M in the region of the cover layer 6D Diameter, and in a second section 632 in the middle layer 6M a second diameter which corresponds to the second diameter of the second cylinder 622 of the
- Marking button 62 corresponds.
- the height of the marking button 62 corresponds approximately to the sum of the height of the cover layer 6D and the height of the middle layer 6M.
- an annular step 633 is also formed, on which recesses 633 ' are arranged at periodic intervals, the shape and arrangement of which with the knobs 623 ' on the ring step 623 of the marking button 62 correspond.
- suitable markings are arranged on the cover layer 6D in the vicinity of the hole 63, which in cooperation with the mark 625 on the mark button 62 produce a display, as shown in FIGS. 6a and b
- cylindrical marker button 62 which is rotatably arranged in its position in the plane of the memory card about its central axis in a correspondingly formed cylindrical hole 63 in the memory card 6, for example a correspondingly designed marker button can be linearly displaced in a rail-like recess in the card 6 be arranged.
- the card 6 is made as follows.
- the middle plastic layer with the hole 26 and with a recess for the memory / processor chip 61 and the marking button 62 are conventionally produced by injection molding or molding.
- the memory / processor chip 61 is arranged in the recess intended for it and fixed in a conventional manner (and / or the magnetic strip is fixed on the card in a conventional manner), and the marking button 62 is inserted into the hole 63 such that the knobs 623 ' on the annular step 623 come to lie in the recesses 633 ' in the angular step 633 ' .
- the lower cover layer 6D is connected to the middle layer 6M, so that the marking button is fixed, and in addition the upper cover layer 6D is connected to the middle layer 6M, suitable recesses being formed in the upper cover layer 6D, so that the memory / Processor chip 61 and the marking button 62 are accessible as intended.
- Cover layer 5D, middle layer 6M and marking button 62 are suitably selected from materials with respective coefficients of friction and elasticity and the
- first and second cylinders and the first and second holes and the knobs 523 ' or Ausappelunge ⁇ 633 ' are matched to one another such that the marking button 62 is positively arranged within the card 6 when the knobs 623 ' in the Ausappelunge ⁇ 633 ' lie, and that by pressing lightly on the marker button 62 and simultaneously rotating the marker button 62 can be rotated within the card 6 until it is arranged in a desired position, in which it is in turn positively connected to the card 6
- a telephone card with a value of DM 50 can be traded as follows: The cardholder inserts his card into a telephone machine that also serves as an external reader / writer for the Teiefo ⁇ badge. The reader / writer activates the first memory 61 and reads it value of DM 50.- saved on the card, recognizes a value that is sufficient to make a call and shows the corresponding value to the cardholder on a display. The cardholder then establishes a telephone connection and can use it during the call observe the time-dependent charges for his call and the resulting credit on the display of the reader / writer. When the call is ended, the remaining credit of, for example, DM 25 is written by the reader / writer into the memory / processor chip 61 and is also shown on the display of the reader / writer
- the cardholder then takes the card 6 out of the external reader / writer and sets the value of the remaining credit by rotating the marking button 62 into a suitable position depending on the marking on the card 6, as shown in FIG. 6b.
- the marking on the card 6 can range, for example, from 1, * %, Yz,% to 0, the
- a device arranged in the external read / write device can also take over the setting (here rotation) of the marking button into a corresponding position.
- FIG. 8 A further advantageous embodiment of the first embodiment of the present invention of FIG. 2a will first be described below in connection with FIG. 8 and a first embodiment of the second embodiment of the present invention of FIG. 3 will be described in connection with FIG Design of their display are based on the second embodiment of the first embodiment shown in FIG. 6 in order to permit a comparison with this. Subsequently, the basic structure of a first embodiment of the second embodiment of the present invention is explained in detail in connection with FIGS. 10 and 11.
- the center of the memory 82 consists of a channel 82 which is formed in the middle layer 8M of the card 8, which is constructed in the same way as the previously coated card 6.
- a liquid 822 is arranged in the channel and, besides the liquid, also a Trennko ⁇ er 82T arranged, which differs in color from the liquid 822, wherein at least one of the cover layers 8D is transparent in a corresponding area and provided with suitable markings, so that at least the Trennko ⁇ er 82T can be seen in the channel 82 suitably fill liquid 822 and Trennko ⁇ er 82T completely the channel
- the channel is here designed to allow a comparison with the second embodiment of the first embodiment of the invention shown in FIG. 6, wherein corresponding sections of the upper or lower cover layer 8D are transparent and provided with suitable markings are fi g 8c shows a section through the map 8 of FIG. 8b along the line AA
- an electrical drive 821 (pump device) is arranged which is designed such that the liquid 822 can be moved within the channel 82 by means of the drive 821, and by means of the liquid separating body 82T, which is here as a display marking
- the dimensions of the channel and the Tre ⁇ nko ⁇ ers and the Mate ⁇ al at least the inside of the channel, the Mate ⁇ ai of the liquid and the Trennko ⁇ ers are selected such that at
- Activation of the electronic device 821 displaces the liquid within the channel and also moves the separating body 82T with the liquid, the cross-section of the channel essentially corresponds to the cross-section of the separating body.
- the channel 82 with the liquid 822 and the separating body 82T serves as an inventive means for storing
- the drive 821 serves as a means according to the invention for writing the memory 82, 822, 823 and is suitably designed such that it is designed during or shortly after the reading process of the memory by means of an external read / write device such that it is, for example, optically the Position of the separating body
- the separating body 82T and thus can read the information from the memory 82, 822, 823, is supplied with energy and is suitably controlled by means of the external reader / writer that it shifts the liquid 822 and thus the separating body 82T within the channel 82 by a corresponding predetermined amount ,
- Memory 82, 822, 823 particularly insensitive to external mechanical influences such as jerky impacts on the card.
- FIG. 9a to d show a card 9, a first embodiment of the second embodiment of the present invention, likewise using the example of an identification card for a restaurant or a canteen with a credit of 10 meals, for example worth DM 200.
- a memory / processor chip 91 and or a magnetic strip is arranged as a first means for storing and furthermore a second means for storing 92 according to the invention is arranged, which is simultaneously designed as a means for display, and also a means 921 for writing the second memory 92 according to the invention.
- the means for storing 92 consists of a channel 92, which is formed in the middle layer 9M of the card 9, which is constructed in the same way as the cards 6 and 8 described above a colored liquid 922 is arranged according to the invention, at least one of the cover layers 9D being transparent in a corresponding area and provided with suitable markings so that the colored liquid 922 can be seen in the channel 92.
- the channel is here for comparison with the second embodiment of the first embodiment shown in FIG.
- the depth of the channel closed here being suitably less than the layer thickness of the middle plastic layer 9M in at least a partial area of the card 9, which enables an advantageous one-piece production of the middle layer.
- an area of the channel 922 which is continuous through the layer 9M is made as large as possible compared to the above-described partial area, with corresponding sections of the upper and lower cover layers 9D are transparent and provided with suitable markings.
- the middle layer 9M is formed in the region of the transitions from the non-continuous partial region to the continuous partial region of the channel in such a way that there is a minimal flow resistance, as shown in FIG. 9b.
- 9c shows a section through the map 9 of FIG. 9b along the line A-A and
- FIG. 9d shows an enlarged detail 3 of the non-continuous part of the channel 92 in a perspective view.
- an electric drive 921 (pump device) is arranged at a suitable position of the channel 92, which is designed such that the liquid 922 can be moved within the channel 92 by means of the drive 921.
- the channel 92 with the liquid 922 serves as a second means according to the invention for storing information, which is also a means for displaying the information.
- the drive 921 serves as a means according to the invention for writing the second memory 92, 922 and is suitable electrically connected to the memory / processor chip 91 in such a way that it also connects to the memory / processor chip during or shortly before or after the read / write operation of the memory / processor chip Energy is supplied and is suitably controlled by means of the external reader / writer and / or the memory / processor chip in such a way that it shifts the liquid 922 within the channel 92 by a correspondingly predetermined amount.
- the card 9 is made as follows.
- the middle plastic layer with the channel 92 and with a suitable recess for the drive 921 and also with a recess for the memory / processor chip 91 is conventionally produced by means of injection molding or molding.
- conductor tracks 93 can be used for the power supply of the drive 921 Positions are arranged, and the lower one
- Cover layer 9D is connected to the middle layer 9M, so that the channel 92 is closed from below.
- the memory / processor chip 91 is inserted into the recess intended for it and fixed in a conventional manner, and the drive 921 is arranged in the recess intended for it in the region of the channel in such a way that it is connected as intended to the channel S2, advantageously the Liquid 922 has already been introduced into the drive 921, so that the drive and liquid can be integrated into the card in one work step and it is ensured that the liquid is arranged at a defined position on the card 9.
- the conductor tracks 93 are connected to the connections of the drive and the memory / processor chip, and the upper cover layer is applied to the middle layer and connected to it, so that the channel 922 formed in the middle layer 9M is closed in a liquid-tight and gas-tight manner.
- the second memory which is also a non-volatile display, can be integrated in a component C together with the means for writing the second memory, i.e. the liquid channel 92, the liquid 922 and the drive 921, which likewise how the memory / processor chip is prefabricated and inserted into a suitable recess within the memory card 9.
- the above modular construction by means of the provision of component C is particularly suitable for the production of the card 8 described above, in which, unlike the card 9, liquid and separating body are introduced into the channel in such a way that the channel is completely filled.
- the operation of the card 9 according to the invention which is, for example, an identification card for entering a restaurant or a canteen, the card storing credit for meals, for example worth DM 200, and using the card Payment can be made in the restaurant or the canteen as follows:
- the cardholder had a meal in the restaurant or the canteen, for example, worth DM 25.
- the cardholder inserts his card into an automatic teller machine, which also serves as an external reader / writer for the card (or the card communicates without contact with the external one)
- the remaining credit of DM 175, for example, is then written by the read / write device into the memory / processor chip 91 and is likewise shown on the display of the read / write device.
- the external read / write device activates the drive 921, and the external read / write device and / or the processor chip controls the drive 921 that by means of a pumping action of the
- the marking on the map 9 can be relative here, for example, as in FIG. 9a, and can range from 100%, 75%, 50%, 25% to 0, or absolute, and can range from 200, 175, 150, 75, 50 to 0 , with the cardholder having a remaining balance of DM 175.- at any time at a glance receives the value stored on the card
- the operation of the card 8 described above runs analogously to the operation of the card 9 described above, with the exception that the external reader / writer is designed such that it is, for example, the information stored in the inventive memory, which is also the display of information
- Reads out 10a to d show the basic structure of the memory and display means and the drive means of a memory card according to the previously described first embodiment of the second embodiment of the present invention.
- the non-volatile storage medium according to the invention which is also a display medium, is provided by a suitably designed channel system 12, within which a suitable liquid 122 and an optional tank body 122T are shifted by means of a drive means 121 in accordance with the information to be stored, the position of the liquid 122 or of the separating body 122T within the channel system 12 corresponds to the stored information and can be read optically.
- Suitable pressure compensation means 12D are in the
- the channel system 12 which are designed such that the liquid can be displaced in the channel system 12 with pressure compensation.
- the channel system 12 is therefore closed and consists of a first channel section 12A for storing and displaying information and a second channel section 12D for pressure equalization when the liquid is displaced
- the channel system 12 can be formed within a middle plastic layer of a memory card, the diameter of the projecting first channel section advantageously being larger than the diameter of the projecting second channel section.
- Channel section through a middle plastic layer of a memory card be formed continuously, while the depth of the second channel section is less than the layer thickness of the middle plastic layer of the card, wherein the middle plastic layer can be produced in one piece by means of molding or injection molding.
- the cross section of the first channel section is larger than that
- Cross section of the second channel system, the cross section of the first channel system being of the order of about 1 to 15 mm 2 , so that the smallest possible volume of liquid needs to be moved when the liquid 12 is displaced and the energy consumption for this can be minimized, and the liquid is clearly visible within the map.
- Channel systems preferably have a low freezing point, a high boiling point and a low coefficient of thermal expansion, and can be colored with suitable color pigments. For good visibility too To ensure darkness, it can also be a fluorescent liquid.
- the liquid is selected from liquids, and the materials of the middle plastic layer and an upper and lower cover layer are matched to the chosen liquid, at least in the surface area of the channel system in contact with the liquid from materials that the
- Liquid has wetting properties with respect to the material enclosing it, so that the displacement of the liquid within the channel system is not impaired by the drive, and the liquid is arranged in a fixed position within the channel system when the drive is switched off.
- the Trennkö ⁇ er has a cross section which is essentially the cross section of the
- the electric drive means according to the invention are one or two-directional micropumps which can also have valve functions and, for example, have piezoelectric membranes as drive elements.
- Such piezoelectric micropumps are known from the prior art, and are particularly suitable in the miniaturized design in question here, in particular in cooperation with suitably designed inlets and outlets of their drive components with suitable high-frequency control of their membranes, and also to control bidirectional pumping effects in a targeted manner, with laminar and turbulent flow effects be exploited.
- all components of the drive can already be structured together with the channel system in the middle layer of the card, so that only the piezoelectric membrane needs to be arranged at a suitable location on the card in order to integrate the drive into the channel system is suitably arranged with its deflection direction perpendicular to the channel system. It is clear that when pre-structuring parts of the drive together with the channel system in a layer of the memory card, the liquid is introduced directly into the channel system at a defined position.
- miniaturized pumps with, for example, thermal, magnetostrictive or electrostrictive drive means can also be used.
- FIG. 10b shows a first embodiment of the non-volatile memory 12 according to the invention, which is also a display in which a liquid 122 is arranged within a channel, and also a separating body, 122T with optical properties that differ significantly in color from its surroundings, within the Channel is arranged, the liquid and the Trennko ⁇ er that
- the separating body 122T is designed such that it has the effect of a separating layer with respect to the liquid within the channel.
- the liquid can preferably be bidirectionally controllable Ant ⁇ eb 121 in both directions within the channel be moved, the position of the
- Trennko ⁇ ers 122T within the channel reproduces the stored information in cooperation with a suitable marker arranged on the channel
- Memory 12 which is also the display in which a liquid 122 with a color that differs significantly from the color of its surroundings is arranged within a channel, the volume of the liquid being small compared to the volume of the channel, and the total volume of the Liquid serves as a marker for the display.
- the liquid can preferably be displaced in both directions within the channel by means of a bidirectionally controllable device 121, the position of the liquid inside the channel representing the stored information in cooperation with a suitable marker arranged on the channel can be arranged in the channel system together with a gas, such as air, or can be arranged in the channel system together with one or more other liquids, the liquids being difficult to mix and having a different color
- the volume of the first The display section 12A approximately corresponds to the volume of the liquid supply section 12V, and the cross section of the liquid supply section 12V is large compared to the cross section of the display section 12A.
- the liquid volume within the channel system occupies a space which is at least equal to the volume of the channel system within the Corresponds to the display area.
- the information is stored and displayed here by moving a liquid column from the storage area to the display area of the channel system, the liquid column also interacting with a suitable display mark on the display area.
- a relative and absolute display marking which can be attached to the display area on a map according to the invention.
- a relative display marking is particularly suitable for cards with one-time use, such as cinema tickets, with one being used
- a unidirectional drive is sufficient as the drive.
- a relative ad marking can also be used for cards with fixed maximum credit, such as voucher cards worth DM 50.-, which are specially marked and recognizable as such, and which can only be recharged up to the fixed maximum amount.
- a unidirectional drive is also expedient, since the cards are recharged up to a defined maximum amount and the liquid is reset to a preset initial value, and thus in a simple manner via the transport of the liquid by a suitably designed one
- Pressure equalization channel can be done by means of a unidirectional drive.
- Absolute ad marking is particularly important for cards with frequently fluctuating credit such as B: Cash cards or credit cards are taken into account, in which case a bidirectional drive is expedient in order to enable the display of credit fluctuating in positive and negative directions in a simple manner.
- FIG. 11 a shows a further embodiment of the second embodiment of the present invention, with a channel system 12 with a display area 12A thereof Cross section is large compared to the cross section of the pressure compensation area 12D, and with an Ant ⁇ eb 121 which is arranged between the pressure compensation area 12D and the display area 12A, and with a colored liquid 122, which fills only a narrow part of the display area 12A, so that the liquid as a marking line within the
- the display area 12A serves as the ant ⁇ eb 121, which is preferably an directional ant ⁇ eb
- 11b shows a further embodiment of the second embodiment of the present invention, with a display area 12A whose cross section is large compared to the cross section of a pressure compensation area 12D, and with one
- Storage area 12V which essentially has the same volume as the display area 12A, and the arm 121 is arranged between the storage area and the display area, and the pressure compensation area 12D display area 12A and storage area 12V is arranged with a flow in a color system which essentially corresponds to the volume of the supply area 12V or the display area 12A.
- the actuator 121 preferably also has a valve function here, the connection between the two halves of the display area being disconnected when the actuator is switched off
- 1 1 c shows a further embodiment of the second embodiment of the present invention, with a display area 12A whose cross-section is large compared to the cross section of the pressure compensation area 12D and with a preferably bidirectional type 121, which is arranged in the center of the display area 12A, and with one Liquid 122, which occupies a volume that is somewhat more than that
- the armature 121 preferably also has a valve function here, the connection between the ooid halves of the display area being disconnected when the arm is turned off
- the channel system consists of two parallel channels 12, 12 with the same cross-section, which are connected to each other at their two ends.
- Preference is ⁇ in Ant ⁇ b 121 in terms of the connections of the two Channels arranged, wherein the connection in the area of the Ant ⁇ ebs can have an enlarged cross section and can serve as a liquid reservoir.
- the display 121, the liquid distribution and the display area can be combined with each other, depending on the type of card, its use and the resulting requirements, and thus optimally meet the respective requirements become.
- the drive 121 comes with a specially designed pressure compensation area, preferably a one-way response, so that it is possible to reset the display by displacing the liquid in its output diaphragm by transporting the liquid through the pressure compensation channel
- channel system 12 b shows a further embodiment of the second embodiment of the previous invention, whereby the channel system 12 consists of a meandering channel system, the ends of which are over a straight-line channel cross-section.
- An Ant ⁇ eb 121 is preferred in the area of a
- the main channel area as the display area 12A and the straight channel area as the pressure compensation area 12D and the area 121 as directional anti-bite area are appropriately designed
- FIG. 12c shows a further embodiment of the second embodiment of the invention with a narrow-shaped channel system 12 as in the embodiment of FIG. 8.
- the arm 121, the liquid distribution and the display area can also be here according to the configurations from FIGS. 10b to 10d and 11a to 11 d depending on the type of card, its use and the resulting requirements variable with each other can be combined and thus optimally met the respective requirements.
- FIG. 12d shows a section of a channel area within a display area 12A, a map, the channel area having a cross-sectionally widening or widening cross section, as a result of which an arbitrary displacement of the liquid within the channel is further counteracted.
- the design of the channel 12 according to FIG. 12d can be applied to the designs described above of the second embodiment of the present invention.
- two or more drives 121 can also be arranged at suitable points on a channel system 12, which, with suitable activation and design of the channels, permit an increased resolution of the display of the information.
- a schematic example of this is shown in FIG. 13, for three
- Ka ⁇ äl ⁇ 13 with three Ant ⁇ b ⁇ n 131 are arranged next to each other, with corresponding markers on the map in the middle of a liquid in the channels 13 each numerical information can be stored, which can be, for example, a ten-step difference.
- the example of FIG. 13 can also be equipped with only one drive 131, the drive 131 and these valves being suitably actuated.
- FIG. 14 shows a memory card 14 according to the invention and a further embodiment of the second embodiment of the previous invention, with a memory / processor chip
- the memory area 142 and the means for writing 143 can, as in the case above, be related to 8 to 13 described embodiments of the second embodiment of the vorii ⁇ g ⁇ nden
- the means for storing is provided by means of a channel system, not shown here, with a colored liquid therein, and the means for writing, for example, by means of a Micropump 143 with a piezoelectric membrane 144 is provided.
- the modular construction of the means for storing 142 and the means for storing 143 are to be shown in the following.
- the means for storing 142 and the means for writing 143 can advantageously be directly in a suitable layer of the memory card except for the piezoelectric membrane
- Production of the layer can be structured by means of injection molding or molding, whereupon the liquid and the piezoelectric membrane are introduced into the channel structure at suitable positions and the memory card is sealed.
- the inlet and outlet and the basic body of the micropump are also structured in the memory card. It can also be advantageous to manufacture the micropump separately from the channel structure from another suitable material as the memory card, and as a module with inlet and outlet and also with an already integrated membrane and with one in the micropump and / or in the channel system Capture liquid in a suitable recess of the memory card 14, in which the channel system is already formed, and then suitably use it with the channel system.
- the overall channel system and the pump that is to say the second means for storing, which is at the same time a means for non-volatile display, and the means for writing the second means for storing as a prefabricated module in a suitable recess of the memory card 14, where the module is here it can also be from a different material than the memory card.
- 15a shows a further embodiment of the second embodiment of the present invention, a modification of the embodiments previously described in connection with FIGS. 8 to 14.
- 15 shows a section of a memory card 15 with its essential components.
- the memory card 15 has a first memory 151 and a second memory, which is also used for non-volatile display, and a means for writing the second memory 156.
- the first memory 151 is a conventional memory / Processor chip and / or a
- Magnetic stripe, and the second means for storing is also provided in the previously described designs of a channel system 152 with a colored liquid 153 therein.
- the liquid 153 is out selected a material that is attracted to electronic fields.
- a means for writing the second memory is therefore provided in the memory card 15, which determines the position of the liquid within the channel system by applying electrical fields at a suitable position of the channel system.
- the means for storing is provided by a multiplicity of electrical poles 154 in capacitor construction at suitable positions of the channel system, which are connected to a circuit 155 which can be controlled by an external read / write device and / or the memory / process chip 151 , the dimension and configuration of the channel system 152, and the arrangement of the electrical poles in
- Capacitor designs are selected in such a way that by applying elastic fields at suitable positions, the liquid is conveyed to a predetermined position, at which position remains after the switching off of the memory card Invention is trained
- 15b shows a modification of the security card 15 from FIG. 15a in which instead of the channel system 152 electronic ink is merged into the security card 15, a large number of colored containers in each case in a large number of small containers 157
- Particles 158 are arranged, the position of which inside the container can also be changed by applying an electronic field.
- any information can be displayed on the memory card 15, which is non-volatile after the electronic field has been switched off 15a, in particular the embodiment of the second embodiment of the invention described above with the aid of FIG are arranged on the card.
- 16 shows a further embodiment of the second embodiment of the present invention, a modification of the embodiments previously described in connection with FIGS. 8 to 15.
- 16 shows a section of a memory card 16 with its essential components.
- the memory card 16 has one
- Memory 162 which also serves as a non-volatile display, and a means for writing to memory 162.
- Memory 162 is here fixed in a suitable first temperature range of preferably -10 to 50 degrees Celsius and in a suitable second temperature range of preferably> 50 Degrees Celsius liquid stall 1622 made of appropriately suitable material.
- a means for writing the second memory 162 can also be provided in the memory card 16, which means consists of a suitable electrical heating device which interacts with electrodes 1621 which are arranged at suitable positions on the liquid chamber 1622.
- the heating device When the heating device is activated and electrical fields are applied to the predetermined position of the (liquid) stall, the (liquid) stall 1622 at the positions predetermined by the electrodes 1621 is removed Forms on and the pattern given by the electrodes is embossed and can be optically molded.
- memory 162 is provided here with a heating device not shown in the drawing and with a number of electrical poles 1621, 1621 in capacitor construction, which are connected to a circuit which can be actuated via an external read / write device, which means that the means for writing can be used g ⁇ ign ⁇ t ⁇ n positions on the (liquid) kstall 1622 on the card or can also be arranged in the external reading / writing device
- the memory 162 can be optically emitted, for example, by means of an external writing / reading device.
- a memory and / or processor chip can be arranged on the card 16, which can contain further information and about which the ⁇ xt ⁇ m ⁇ n read / write device is communicated, and which controls the writing process of the memory 162.
- the cards described above as exemplary embodiments can also each comprise only one memory, which at the same time is non-volatile display of the card, as described above in connection with FIGS. 8 to 16
- Embodiments of the present invention read out the memory which also serves as a display, optically with the naked eye and can also be carried out by means of suitable devices in an external reading / writing device
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19958333.1 | 1999-12-03 | ||
DE1999158333 DE19958333C2 (de) | 1999-12-03 | 1999-12-03 | Speicherkarte mit nichtflüchtiger Anzeige |
Publications (3)
Publication Number | Publication Date |
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WO2001041042A2 true WO2001041042A2 (de) | 2001-06-07 |
WO2001041042A3 WO2001041042A3 (de) | 2001-12-13 |
WO2001041042A9 WO2001041042A9 (de) | 2002-09-12 |
Family
ID=7931306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2000/012181 WO2001041042A2 (de) | 1999-12-03 | 2000-12-04 | Speicherkarte mit nichtflüchtiger anzeige |
Country Status (2)
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DE (1) | DE19958333C2 (de) |
WO (1) | WO2001041042A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10221214A1 (de) * | 2002-05-13 | 2003-11-27 | Orga Kartensysteme Gmbh | Chipmodul |
EP1573663B1 (de) * | 2002-12-12 | 2007-04-04 | Koninklijke Philips Electronics N.V. | Smartcard mit nichtflüchtiger anzeige auf der basis temperaturempfindlicher elektronischer tinte |
DE102011121342A1 (de) * | 2011-12-16 | 2013-06-20 | Giesecke & Devrient Gmbh | Kartenförmiger Datenträger |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2094044A (en) * | 1981-03-04 | 1982-09-08 | Johnson Matthey Plc | Credit card |
EP0564012A1 (de) * | 1992-03-16 | 1993-10-06 | Schlumberger Industries | Elektronische Speicherkarte mit Anzeige des in seinem Speicher verfügbaren Platzes |
FR2731537A1 (fr) * | 1995-03-07 | 1996-09-13 | Gemplus Card Int | Carte a puce avec dispositif d'affichage |
US5786875A (en) * | 1996-03-15 | 1998-07-28 | Brader; Lawrence Allen | Thermal liquid crystal display using thermoelectric link |
US5930026A (en) * | 1996-10-25 | 1999-07-27 | Massachusetts Institute Of Technology | Nonemissive displays and piezoelectric power supplies therefor |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2722427A1 (de) * | 1977-05-18 | 1978-11-30 | Juergen Dethloff | Nachahmungs- und verfaelschungsgeschuetzter visuell und maschinell lesbarer beleg |
DE3129364C2 (de) * | 1981-07-24 | 1985-09-19 | Hermann 7742 St Georgen Stockburger | Wertkarte |
DE4213797A1 (de) * | 1992-04-27 | 1993-10-28 | Bavaria Med Tech | Medizinisches Informationssystem |
IT1261803B (it) * | 1993-07-05 | 1996-06-03 | Texas Instruments Italia Spa | Sistema di comando a distanza. |
DE19605237A1 (de) * | 1996-02-13 | 1997-08-14 | Studienzentrum Fuer Persoenlic | Gerätehalter an Bürobedarfsgegenständen |
DE19807766A1 (de) * | 1998-02-16 | 1999-10-28 | Friedrich Hans Josef | Elektronische Datenträger-Tafel |
DE19806312A1 (de) * | 1998-02-16 | 1999-08-19 | Friedrich | Tafel-Koffer und Tafel-Laptop |
-
1999
- 1999-12-03 DE DE1999158333 patent/DE19958333C2/de not_active Expired - Fee Related
-
2000
- 2000-12-04 WO PCT/EP2000/012181 patent/WO2001041042A2/de active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2094044A (en) * | 1981-03-04 | 1982-09-08 | Johnson Matthey Plc | Credit card |
EP0564012A1 (de) * | 1992-03-16 | 1993-10-06 | Schlumberger Industries | Elektronische Speicherkarte mit Anzeige des in seinem Speicher verfügbaren Platzes |
FR2731537A1 (fr) * | 1995-03-07 | 1996-09-13 | Gemplus Card Int | Carte a puce avec dispositif d'affichage |
US5786875A (en) * | 1996-03-15 | 1998-07-28 | Brader; Lawrence Allen | Thermal liquid crystal display using thermoelectric link |
US5930026A (en) * | 1996-10-25 | 1999-07-27 | Massachusetts Institute Of Technology | Nonemissive displays and piezoelectric power supplies therefor |
Non-Patent Citations (1)
Title |
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DINGWALL R P ET AL: "Liquid or solid display system" IBM TECHNICAL DISCLOSURE BULLETIN, IBM CORP. NEW YORK, US, Bd. 10, Nr. 5, 1. Oktober 1967 (1967-10-01), Seiten 604-605, XP002090065 ISSN: 0018-8689 * |
Also Published As
Publication number | Publication date |
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DE19958333C2 (de) | 2002-11-21 |
WO2001041042A3 (de) | 2001-12-13 |
DE19958333A1 (de) | 2001-06-07 |
WO2001041042A9 (de) | 2002-09-12 |
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