EP0944028B1 - Procédé pour une machine d'affranchissement et d'adressage - Google Patents

Procédé pour une machine d'affranchissement et d'adressage Download PDF

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Publication number
EP0944028B1
EP0944028B1 EP99250058A EP99250058A EP0944028B1 EP 0944028 B1 EP0944028 B1 EP 0944028B1 EP 99250058 A EP99250058 A EP 99250058A EP 99250058 A EP99250058 A EP 99250058A EP 0944028 B1 EP0944028 B1 EP 0944028B1
Authority
EP
European Patent Office
Prior art keywords
franking
printing
address
letter
print
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
EP99250058A
Other languages
German (de)
English (en)
Other versions
EP0944028A2 (fr
EP0944028A3 (fr
Inventor
Wolfgang Dr. Thiel
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.)
Francotyp Postalia GmbH
Original Assignee
Francotyp Postalia 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 Francotyp Postalia GmbH filed Critical Francotyp Postalia GmbH
Publication of EP0944028A2 publication Critical patent/EP0944028A2/fr
Publication of EP0944028A3 publication Critical patent/EP0944028A3/fr
Application granted granted Critical
Publication of EP0944028B1 publication Critical patent/EP0944028B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00467—Transporting mailpieces
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G07B2017/00516—Details of printing apparatus
    • G07B2017/00524—Printheads
    • G07B2017/00532—Inkjet
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G07B2017/00572—Details of printed item
    • G07B2017/00596—Printing of address
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G07B2017/00637—Special printing techniques, e.g. interlacing
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00733—Cryptography or similar special procedures in a franking system
    • G07B2017/00741—Cryptography or similar special procedures in a franking system using specific cryptographic algorithms or functions
    • G07B2017/00758—Asymmetric, public-key algorithms, e.g. RSA, Elgamal
    • G07B2017/00766—Digital signature, e.g. DSA, DSS, ECDSA, ESIGN

Definitions

  • the invention relates to a method for a franking and addressing machine according to the preamble of claim 1.
  • the method is suitable for a closed system, in particular for users of franking machines.
  • Newer franking machines use digitally working printing units.
  • applicant's metering machines T1000 and JetMail for the first time worldwide have a thermal transfer printer or an inkjet printer. This makes it possible in principle to print addresses on a filled letter, but only in the area of the franking stamp.
  • the postal regulations of most countries rule out that the address information can be made at the level of the franking imprint. A print in the address area of the envelope for the mail recipient address is not possible with such machines, since the print width of the print head is not sufficient.
  • US 5,200,903 discloses a franking device which prints both the franking mark and the address.
  • the expense of transporting letters relative to the stationary printhead is disadvantageous.
  • Another shortcoming is that the printing of both images should be done in a single motion phase of the letter. This requires a printhead that is as wide as it corresponds to the widths of the two images franking stamp and address field and the intervening space. These are already 10 cm for a standard letter, for other letter formats up to 20 cm. Although a correspondingly wide thermal print head can be produced in principle, it would be disproportionately more expensive than a standard head of about 3-6 cm. As ink jet printhead such widths for the foreseeable future for manufacturing reasons (yield) are not executable. Also, it is not clear how the required for an ink jet printhead constant distance to uneven letter surfaces should be guaranteed.
  • a franking module for a personal computer has already been proposed for such users with low mail volume, in whose slot of a drive insert the franking module is arranged, which allows both the franking and the addressing of envelopes.
  • a franking module is surrounded by a secured housing and, in terms of circuitry, has the same structure as a franking machine in which the letter transport device is saved.
  • the address data are read by a memory managed by the personal computer and fed to the franking module via the internal information network.
  • Such a franking module is operable only in connection with the personal computer, but not suitable as a stand-alone machine. In addition, only standard curve fits in the feed slot.
  • the printing mechanism itself has not been disclosed there. In a digital printing process, it is not safe to determine whether the printed postage stamp image is not merely an uncollapsed copy of an earlier impression and has been combined with a desired other address.
  • the object of the invention is to make a low-cost stand-alone machine for smaller mail volumes so that the functions franking and addressing of original mail are combined in one machine and allows the use of a cheap ink jet printhead. Both impressions should be made directly on the letter surface.
  • the solution is also for filled letters with uneven surface a consistently good Ensure print quality.
  • the operation of the machine should be controlled so that the processing time is minimized.
  • the security of the franking imprint against fraudulent manipulation should meet the future stringent requirements of the postal companies and at the same time allow a low-cost verification of the authenticity of each imprint.
  • a request for the input of a shipping destination address, a generation of the print image for the address field, starting the printing of the address and a control of the information processes for generating a security imprint takes place parallel to certain movement sequences of the printhead.
  • the movements of the printhead include the procedures for printing the address and / or the positioning before printing.
  • the information processes relate in particular to a generation of a digital signature. The latter is performed prior to the printing of the franking stamp image time-parallel to the first task of printing the address and corresponding movements of a print head, so that overall a time-optimal sequence is achieved when printing the address and the franking stamp image.
  • FIGs 1a and b show a flow chart for a time-optimal control of a franking machine printing mechanism, which was shown in Figure 2 in principle as a front view.
  • a standing on the edge - not shown - - letter are inserted into a holding device 2.
  • the holding device 2 is inclined at an angle ⁇ to the vertical and at an angle ⁇ to the horizontal.
  • the imprint page of an envelope was shown in plan view in FIG.
  • This letter shows a franking imprint in a franking field and a mailing address imprint in an address field. For addressing and franking this is inserted in the aforementioned feed slot rotated by 180 ° in the aforementioned feed slot 1.
  • sensors e.g. Photoelectric sensors arranged, which detect the presence of a letter.
  • windows 4, 5 are incorporated for the fields to be printed on the imprint page of the envelope (address field, franking field).
  • An ink jet print head 6 sliding on a guide rod 8 is connected to a belt 7.
  • the belt 7 passes over a drive roller 12 and a deflection roller 13. With the drive roller 12 driven by a drive motor 11 thus the ink jet print head 6 can be moved in a known manner in the X direction and opposite thereto.
  • a retaining plate 9, which runs on a second guide rod 14, is connected to a second drive 10. The details have not been shown separately, since the second drive 10 may be formed in a known manner.
  • the latter includes, for example, a motor with a gear and a gear which engages in teeth of a guide rod 14 designed as a rack.
  • a second mechanism is provided which can move the first mechanism, including the ink jet printhead 6, in the Y direction and, conversely, to an alternate printing position.
  • the former print position and the alternate print position may overlap in the X direction.
  • An overlap in the Y-direction is not provided, as this is excluded by the applicable postal regulations.
  • the inkjet printhead 6, which is movable by means of the aforementioned postage meter printing mechanism, is moved in an approximately meandering manner in order to carry out the imprinting in a time-optimized manner.
  • the address field is initially run counter to the X direction before an offset of the inkjet printhead 6 against the Y direction is required, in order subsequently to pass through the address field in the X direction.
  • the franking field is traversed again counter to the X direction and thereby printed.
  • a further movement can be performed again counter to the X direction in order to control a starting position in the window 5 before the franking field is traversed.
  • the address field may first be traversed counter to the X direction before an offset of the ink jet printhead 6 against the Y direction is required to subsequently traverse the franking field in the X direction.
  • the control of the franking machine pressure mechanism and the ink jet print head 6 is effected by a known per se electronics with microprocessor control.
  • the microprocessor is programmed accordingly, that from a starting position in which the ink jet print head 6 can be positioned to engage with a - not shown - cleaning and sealing device, a time-optimal sequence of movements is made.
  • the flow chart for a time-optimal control of Fig. 1a shows the process during the printing of a shipping address.
  • the flow chart for a time-optimal control according to FIG. 1b shows the sequence during the printing of a franking imprint.
  • time-consuming data processing operations are processed by the microprocessor in a time-interleaved manner with specific movement phases of the print head.
  • a corresponding control program, according to which the microprocessor is programmed is stored in a read-only memory.
  • the microprocessor is programmed by the control program so that the information processes for generating a security imprint are executed parallel to certain movement sequences of the print head 6.
  • a first step 100 in which the effected application of a letter has been detected, prompting steps 101, 102, 103, for entering an address (step 101) with automatic call of the associated ZIP code or a comparable transport destination code (step 102) as well as for entering the franking value (step 103).
  • the prompting steps and the automatically determined ZIP code can be displayed via a display device (not shown).
  • the microprocessor is connected to the read-only memory, the display device and an input device and determines in step 104 whether the inputs have been confirmed by means of the input device.
  • step 101 If no new entries are required according to at least one of the steps 101 to 103, it is possible to work with stored values which have to be confirmed. If not confirmed, the system branches to a waiting line. Otherwise, a branch is made from step 104 to a step 105 for generating the print image for the address field. Subsequently, in step 106, the start of the printing of the address field.
  • the printing of the address field is a first task JOB1.
  • further time-intensive tasks JOB2, JOB3,... JOBx are processed in a time-interleaved manner with respect to the first task.
  • Such further tasks JOB2, JOB3, JOB4, JOB5 show steps 107, 108, 109, 110.
  • Step 107 relates to the application of a hash algorithm, for example a SHA (Security Hash Algorithm), to the data elements or a reduction of the data set after a comparable mathematical function.
  • the dataset includes the data elements generally agreed with the postal carriers. This data set is limited in the reduction such that the individual data elements are not reproducible again. However, only to the extent that changed records of different letters always differ.
  • the call of a secret key which is called "private key” below.
  • the latter is stored in a security module of the franking and addressing inextricably.
  • the security module also stores a known asymmetric encryption algorithm. The encryption is performed in step 109.
  • a suitable known asymmetric encryption algorithm is, for example, the Digital Signature Algorithm (DSA), one of the Elliptic Curve Digital Signature Algorithms (ECDSA) or the ELGamal Algorithm (ELGA).
  • DSA Digital Signature Algorithm
  • EDSA Elliptic Curve Digital Signature Algorithms
  • ELGA ELGamal Algorithm
  • a program-specific execution of such an asymmetric encryption algorithm for example the DSA (Digital Signature Algorithm)
  • DSA Digital Signature Algorithm
  • the calculation is started when all required data is ready.
  • the processing is time-interleaved with the printing in the address field, which is printed first and for which no processing of encryption algorithms is required.
  • An alternative possibility is to carry out the processing during the adjustment of the inkjet printhead 6 in the opposite direction to the Y direction, when the postage meter printing mechanism operates relatively slowly. Preferably, however, is begun before this adjustment with the aforementioned processing.
  • step 110 a conversion into a special machine-readable symbolism, such as barcode, 2-D barcode or PDF 417-symbolism, take place.
  • barcode 2-D barcode
  • PDF 417-symbolism a special machine-readable symbolism
  • a branch is made to the interrogation step 111 illustrated in FIG. It is queried whether the address field has been completely printed. Between steps 110 and 111 there may be further query steps in which the termination of the other tasks (JOBs) is queried.
  • the timing of the print head movement to the address printing is generally such that at the latest until the activation of the mechanism for moving the ink jet print head in the direction of the franking field, all JOBs are processed.
  • step 112 the start of repositioning is triggered to control the inkjet printhead to the position for the imprint.
  • the execution of the next JOB, ie step 113, according to the invention is time-interleaved with the aforementioned positioning.
  • step 113 the franking value is debited from the credit, which is stored in the post register of the security module.
  • a call is made to the standard graphic elements of the franking imprint, and in a further step 115 a provision of the data elements for the franking imprint is carried out.
  • step 116 a query is made as to whether the franking position has been reached. If this is not the case, the system branches to a waiting loop. Otherwise, in step 117, the machine-readable symbols and the visually readable data are printed, as well as the printing of the standard graphic elements.
  • the end of the processing is signaled via the display unit or beeper and prompted to remove the completely addressed and prepaid envelope.
  • the address field is arranged centrally.
  • the Postempftuleradersse is in plain text and an associated ZIP code is printed as unencrypted barcode.
  • the franking imprint is located in the periphery on the top right.
  • a sender specified in the upper left corner is optional.
  • an approximately 1 inch wide franking imprint is created with a machine readable area.
  • Certain clear data and the signature are, for example, converted to PDF 417 symbolism and printed.
  • Above the machine readable area is the visually (human) readable area and an area for the FIM code according to the US Postal Regulations. Because of the FIM code, an approximately 11 to 14 mm wide visually (human) readable area results for an approximately 1 inch wide franking imprint. Thus, the remaining width can be used for the machine-readable area.
  • An alternative embodiment of the machine according to the invention comprises a letter feeder. This consists of a slot which is as wide as the widest letter to be processed and has an opening width which corresponds to the maximum letter thickness to be processed. Inside the holding device 2 with the letter slot are again sensors, such as photoelectric sensors arranged, which detect the presence of a letter. Beyond this opening is a receiving plate for receiving the letter, which can be raised in the vertical direction by means of a motor drive. Above the letter receiving plate a rigid plate is arranged with two recesses or recesses.
  • These recesses correspond in size to at least the franking imprint or the addressing imprint and are arranged within the plate, as it corresponds to the arrangement of the two pressure fields on the letter to be processed.
  • the print head is located.
  • the motor-driven movement of the print head is measured, for example by means of an inductive displacement meter. Other displacement measurements in the drive motor or in the gearbox, which measure the rotation, can also be used.
  • the measured path signals are fed to control electronics which synchronize these signals with the pressure control signals sent to the printhead.
  • the printhead is designed as a single color system with preferably black color.
  • a particularly favorable in terms of consumption costs solution is achieved by using an ink jet printhead according to the patent of the applicant US 5,, 592,203.
  • the name of the recipient or parts of the same is used.
  • the name is represented in the form of alphabetic characters.
  • alphabetic characters For cryptographic encryption, these are converted into numbers.
  • the first letter of the recipient personal name or company name
  • ASCII code can also be used for this. This number is now appended to the address code (5-digit postal code) and extends this by two digits.
  • address code (5-digit postal code)
  • other letters of the name can be converted and included. Each additional letter extends the address code by two digits.
  • the recipient name is not used to extend the address code, but the street name.
  • a special form would be the use of the house number, because in this case the conversion into a numerical character can be omitted.
  • the print head is narrower than the field to be printed. This necessitates a decomposition of the printing process into several phases. In each phase, only one strip of the entire print image is printed. The process corresponds in principle to the first embodiment. Between the phases, the duck head is shifted by the respective width of a print strip.
  • a second movement device arranged orthogonally to the first movement device is provided in the letter plane. To save time when crossing the free space between franking field and address field, the both movement devices switched to a special mode. In this case, the second movement device is activated continuously until the printing position for the address field is reached. The first movement device is set to stand still.
  • the duration of the special mode is linked to the letter format chosen by the customer.
  • An automatic detection of the letter format by means of optical sensors is provided in a sub-variant.
  • Each format is assigned in this case a certain width of the free center strip, which is stored in a memory of the machine.
  • the special mode is then controlled by means of these stored format-specific values.
  • a combined movement against the X / Y direction is particularly time-saving.
  • the two independent drives are controlled according to known trigonometric relationships by the microprocessor.
  • the printing phase itself can be divided once again into two sub-phases.
  • the printhead moves along the letter and prints the top half of the strip to be printed.
  • the print head is shifted in the orthogonal direction by half the width of the print strip and the direction of movement of the print head along the letter is rotated by 180 °.
  • the lower part of the print strip is printed.
  • the machine according to the invention is used in the following manner.
  • the franking letter is manually inserted into the slot provided up to a stop.
  • the said sensors detect its presence.
  • the machine is switched to a first mode. This may be the franking mode, but also the address mode (hereinafter, the address mode is assumed).
  • the customer is requested to enter the address. This address can be entered via a keyboard with which the device according to the invention is equipped, or via a PC connected to the device via a serial interface. Upon completion of this input, the customer will be prompted to enter the franking value.
  • the machine is also able to calculate the postage from other data, such as weight, size and shipping in a known manner.
  • the address data are cryptographically encrypted together with other security-relevant data, such as franking value, date, machine number, and prepared for printing in the franking field.
  • the pressure is released.
  • the receiving plate is raised with the letter lying on it and pressed the letter against the said plate.
  • the usual bumps filled letters are largely compensated.
  • the standing above the recesses printhead thus receives a nearly constant distance to the letter surface to be printed regardless of the thickness and shape of the contents of the letter. This allows the use of a low-cost inkjet printhead.
  • the letter can also be brought into the print position immediately after feeding and before entering data. After the letter has reached the print position, the actual printing process is triggered.
  • the print head can first print the franking field or first the address field. After completion of the printing, the receiving plate is lowered and the letter can be removed manually.
  • the printhead is in the default position for printing the address field.
  • the creation of a letter is reported by the sensors.
  • the operator is prompted to enter the destination address of the letter.
  • the entered address is displayed by means of a display.
  • the validity of the entry is confirmed by the operator by pressing an ENTER key.
  • the processor automatically starts to search an address file.
  • This file can be stored, for example, in a chip card inserted in the machine.
  • the address entered is assigned an address code, eg ZIP code or zip code, by means of this file.
  • the user is prompted to enter the franking value.
  • the franking value is determined automatically.
  • the operator must specify the data determining the franking value, such as the letter format, the weight of the letter and possibly the shipping method.
  • the entered or calculated franking value is displayed and confirmed by the operator with the ENTER key. Without confirmation of the entries there will be no further processing.
  • the print image for the address pressure is generated.
  • the preparation of the printed image is carried out according to the wysiwyg principle, i. the impression corresponds to the address input shown on the display.
  • the start command for the printout is followed by the start command for the printout. If the printing is carried out with a height of the address field entprechend wide printhead, only one movement phase is required for the impression. The time required for this depends on the printing speed of the print head and the length of the address field. This time is at a printing speed of 100 mm / s and an address field length of 80 mm at about 1 second.
  • the debiting of the franking value from the user's credit balance is carried out and the updating of the registers ascending, descending and accont is carried out accordingly.
  • the generation of the visually evaluable part of the franking imprint include the standard graphic elements such as the post horn of the DPAG and data such as the date and the franking value. If these steps are executed, the message for the end of the address pressure is awaited.
  • the print head When the address printing is completed, the print head is immediately controlled to the position for the franking imprint. In order to minimize the time for this movement, the address pressure on the left side of the address field has started and thus ended on the right side. From this position, the print head is now moved to the right side of the franking field to be printed. Including the franking pressure, the print head thus performs a movement which corresponds to a mirror-inverted Z. The angle of the diagonal is dependent on the length of the address field to be printed and the length of the franking field to be printed, as well as the selected letter format. At any rate, at this point in time, the machine has all the information to do simple trigonometric functions Move the print head away and thus optimally in time to its second print position.
  • the print head requires about 1 second with a standard letter until the new print position is reached.
  • the calculation of the machine-readable part of the franking imprint can be carried out.
  • the digital signature is determined.
  • the o.g. Dataset of the Secure Hash algorithm applied.
  • This algorithm described in FIPS PUB 180-1, generates 160 bit information.
  • each machine's own private key is called.
  • the DSA operation is applied to the 160 bit information.
  • This algorithm described in FIPS PUB 186, generates two 160-bit information. This information is placed in two 20-byte fields for printing.
  • another crypto-algorithm may also occur, such as e.g. RSA.
  • the digital signature is converted together with the record that generates it into a machine-readable code. Since the space for such an imprint, which is to be printed together with the visually evaluable information, is limited, preferably a 2-dimensional barcode is used. Such a code is, for example, the PDF 417 described in Technical Report Monograph 8, Symbol Technologies, April 1992.
  • the franking field printing begins. If, due to the limited width of the print head, several movement phases of the print head are required in order to print the entire franking field, the two-dimensional bar code arranged in the lower half is begun. This is followed by the expression of the visually evaluable part of the franking field. If the entire franking field is printed, the letter is released for removal given and the operator receives the request to remove the letter.
  • the two parts of the key pair, the private key and the public key, are generated by the manufacturer of the franking and addressing machine.
  • the private key used to form the digital signature for each franking imprint is stored in a secure memory, preferably in the security module of the machine.
  • the public key which serves to verify the digital signature by means of a check device of the mail carrier in an evaluation point, is stored in a database. This can be operated by the manufacturer and the test device loads if necessary the public key herrunter. Alternatively, the manufacturer immediately sends the public key to a database, which is under the control of the test facility.
  • the assignment of the matching key of the key pair can be done for example via a machine serial number or device identification data (Device ID).
  • each key pair consisting of a private key and a public key, is valid for a limited time and can be changed suddenly to a specific date and time of the data center.
  • the timing of switching occurs according to the current progress made in modern analysis techniques, such as differential cryptanalysis, and is such that an attack on the security of the system is likely to fail.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Record Information Processing For Printing (AREA)
  • Storing Facsimile Image Data (AREA)

Claims (6)

  1. Procédé destiné à une machine rotative à affranchir et à adresser, comprenant des étapes d'invitations pour l'entrée de la valeur d'affranchissement, des étapes destinées à la génération d'une prévisualisation associée de l'impression et des étapes pour démarrer et terminer l'impression, caractérisé en
    - une invitation (101) à entrer une adresse de destination de l'envoi,
    - une génération (105) de la prévisualisation de l'impression pour la zone d'adresse,
    - un démarrage (106) de l'impression de l'adresse,
    - un traitement de signaux du mouvement relatif entre la tête d'imprimante et la lettre, ainsi que
    - une commande des processus d'information destinée à la génération d'une copie de sécurité parallèlement dans le temps à des opérations de mouvements de la tête d'imprimante (6).
  2. Procédé selon la revendication 1, caractérisé en ce que
    les opérations de mouvements de la tête d'imprimante (6) comprennent les opérations lors de l'impression.
  3. Procédé selon la revendication 1, caractérisé en ce que
    les opérations de mouvements de la tête d'imprimante (6) comprennent les opérations lors du positionnement avant impression.
  4. Procédé selon la revendication 1 à 3, caractérisé en ce que
    les processus d'information comprennent une génération (109) d'une signature numérique.
  5. Procédé selon la revendication 4, caractérisé en ce que
    la génération (109) de la signature numérique avant l'impression du cachet d'affranchissement (117) s'effectue parallèlement dans le temps à la première activité d'impression de l'adresse et à des opérations de mouvement correspondantes de la tête d'imprimante (6), de sorte qu'une opération optimale dans le temps est atteinte lors de l'impression de l'adresse et du cachet d'affranchissement.
  6. Procédé selon la revendication 5, caractérisé en ce que
    lors de la génération (109) de la signature numérique, un procédé de verrouillage asymétrique et un code privé sont utilisés, sachant que la signature peut être vérifiée à l'aide d'un code public associé.
EP99250058A 1998-03-18 1999-03-02 Procédé pour une machine d'affranchissement et d'adressage Expired - Lifetime EP0944028B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19812902 1998-03-18
DE19812902A DE19812902A1 (de) 1998-03-18 1998-03-18 Verfahren für eine Frankier- und Adressiermaschine

Publications (3)

Publication Number Publication Date
EP0944028A2 EP0944028A2 (fr) 1999-09-22
EP0944028A3 EP0944028A3 (fr) 2000-11-22
EP0944028B1 true EP0944028B1 (fr) 2006-12-13

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Application Number Title Priority Date Filing Date
EP99250058A Expired - Lifetime EP0944028B1 (fr) 1998-03-18 1999-03-02 Procédé pour une machine d'affranchissement et d'adressage

Country Status (3)

Country Link
US (1) US6438529B1 (fr)
EP (1) EP0944028B1 (fr)
DE (2) DE19812902A1 (fr)

Cited By (1)

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EP2192556A1 (fr) 2008-11-26 2010-06-02 Francotyp-Postalia GmbH Appareil d'estampillage manuel électronique à utilisation universelle

Also Published As

Publication number Publication date
DE19812902A1 (de) 1999-09-23
EP0944028A2 (fr) 1999-09-22
DE59914043D1 (de) 2007-01-25
EP0944028A3 (fr) 2000-11-22
US6438529B1 (en) 2002-08-20

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