EP1107190A1 - Frankierverfahren und -vorrichtung - Google Patents
Frankierverfahren und -vorrichtung Download PDFInfo
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- EP1107190A1 EP1107190A1 EP00118472A EP00118472A EP1107190A1 EP 1107190 A1 EP1107190 A1 EP 1107190A1 EP 00118472 A EP00118472 A EP 00118472A EP 00118472 A EP00118472 A EP 00118472A EP 1107190 A1 EP1107190 A1 EP 1107190A1
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- Prior art keywords
- postal
- data
- franking
- electronic
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Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00435—Details specific to central, non-customer apparatus, e.g. servers at post office or vendor
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B17/00—Franking apparatus
- G07B17/00185—Details internally of apparatus in a franking system, e.g. franking machine at customer or apparatus at post office
- G07B17/00435—Details specific to central, non-customer apparatus, e.g. servers at post office or vendor
- G07B2017/00443—Verification of mailpieces, e.g. by checking databases
-
- 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
- G07B2017/00822—Cryptography or similar special procedures in a franking system including unique details
- G07B2017/0083—Postal data, e.g. postage, address, sender, machine ID, vendor
Definitions
- the invention relates to a method for automatic franking of mail and to Testing the franking according to the preamble of claim 1 and a method according to the preamble of claim 11.
- the invention also relates a system for carrying out such a method according to the preamble of Claim 12 and a franking machine for automatic franking of mail according to the preamble of claim 15.
- the US Postal Service has a system architecture for open and closed franking systems specified. Such a system is for example from US 5,825,893 known.
- Each user has a physical as safe as possible Security device, on which all postage costs planned for the franking saved by the user.
- In the security device is essentially a charge counter and a user-individual encryption module arranged with which the fee stamp and another machine-readable data stamp, so-called "Indizia", to be generated.
- To frank a piece of mail is from the Security device such an indication from the franking postage, a Identification code of the security device, the sender address, the current one Bill count and possibly further data by means of a signature key generated.
- This silicon is then converted into a two-dimensional barcode coded and printed on the mail, making it easy and reliable from one Test facility of the postal service can be scanned and checked.
- the internal one Postage meter of the franking machine is then used for the Postage amount reduced.
- the object is based on a franking method, a franking system and a franking machine to provide a high level of security against fraud while keeping it low Have costs.
- the invention is based on the idea that a fraud by multiple Use of postage and / or multiple use of data stamps This can be prevented that the franking on the mail applied machine-readable data stamps encoded and / or configured will be that it is clearly different from other used data stamps leaves.
- the data stamp contains the impression and / or value of one for the present franking individualized electronic coin. While usual Money, such as coins and banknotes are common means of payment leaves Do not look at the purpose of payment yourself.
- the solution according to the invention has the advantages that in this case no additional hardware such as a described security device for Save and account for postage and save a custom account Signature key is required and as a pure software solution a conventional computer can be realized. It is not mandatory required that data about the user be contained in the data stamp, so that from the data stamp can not be concluded on the user, whereby the anonymity of the user is maintained. It is also not necessary that next to the user and the postal service a third person as Monitoring instance as in some known solutions the franking process and the billing of postal fees monitored online, but a franking can be done at any time without the intervention of such a monitoring authority. Overall, with the solution according to the invention a similarly high Security standard as with cryptographically secure electronic payment systems reached.
- the Check by comparing the data stamp to be checked with in a database stored used data stamps takes place.
- the comparison test to checking data stamp is equivalent to the comparison check of generated electronic coins.
- each piece of mail an individual Data stamp, so also an individual, the mailpiece individualizing electronic coin is generated, this represents a simple realization of the test wherein the database is stored in a suitable memory device in the Test device is stored.
- the database is not unlimited Storage space, the embodiment according to claim 3 is very advantageous.
- Each data stamp has an expiration date, i. one of the day the creation of the date stamp in the future date by which the Data stamp (or the electronic coin) is valid and up to the example also the mail item is transported.
- This period can be, for example, by default 14 days for all users and all data stamps (or electronic coins) be.
- every day again Storage space in the database can be made available by deleting the Data stamps or electronic coins with the oldest verification data.
- the said checking of postal charges for multiple use allow and prevent fraudsters from self-incriminating themselves create without paying for it is according to the training according to claim 7, an individual coding of the postal fee units by the Postal service provided with a secret key.
- This encoding, for each Postage unit varies differently, can also be found in the on the mail applied data stamp again, which is thus a multiple use of postal fee units.
- the data stamp the date and time of creation, the postage due and the addressee of the Postguts in non-manipulatable form included.
- others and / or other data such as the sender whose Address or expiry date for the postage.
- the Surface structure surface fiber structure, roughness of the surface
- the Surface structure of the Packing material or envelope or another measurable one individual piece mailing property such as e.g. the exact weight be entered by the user or by using one in the Franking machine integrated measuring device automatically when franking be measured.
- this mailing data is artificially in the form of on a label
- Label data will be added to the mail.
- a label may, for example carry a hologram or a barcode whose data as a postal data in the Data stamps are integrated.
- the method of claim 11 carried out on a single franking machine may be in embodiments such as the method described above be educated. Also indicated in the claims 12 to 14 system for Implementation of the method according to claim 1 and in claims 15 and 16 indicated franking machine can be configured in a corresponding manner.
- the mailing and mailing system shown in Figure 1 has a postal service 1, a postage meter 2 and a mailing service 3.
- the postal service 1 essentially has a postage fee facility 11 for issuing and Billing of postal fee units and a checking device 13 for checking and Devaluation of frankings.
- the postal fee units i.e. electronic coins
- the billing and accounting takes place by means of an accounting device 15.
- the franking machine 2 has a central unit 21 and a printing unit 22, which in an open franking system by a standard PC and a standard printer can be realized.
- the central unit 21 comprises a fee module 23, which downloads the postal fee units from the postal service 1, stores and internally charged for a franking.
- the storage of postal fees can For example, on the hard disk of the PC, on a chip card or on a other storage medium done.
- the settlement of postal fees with the postal service is usually done when downloading postal fees from the postal service 1, while internal billing takes place when printing a franking.
- the billing the postal service can use a specially created billing account, by credit card, by electronic payment or by cash respectively.
- a pressure control module 25th provided, which controls the printing device 22.
- the fee stamp and the Data stamps can either be applied directly to the mail or to a sticker to be affixed to the mail Label to be printed.
- the franked mail is then from a postal service 3 transported, either there or in the Postal service 1, for example in a mail collection point, a checking device 13 goes through where the franking is checked and canceled.
- the Test device 13 a memory device 14, in the particular used Data stamps are stored with which a data stamp to be checked is compared becomes.
- Postry stimulating 11 and the test device 13 can also connect to, for example, over used and depreciated ones Postage accounting units to guide and ensure that the testing facility 13 knows the coding of postal fee units, which in regular Can change time intervals.
- the franking which in the present case at least a fee stamp and has a data stamp and is generally referred to as "indicium” should at least the stamped postage and an electronic signature for Authorization of this postage.
- additional data may be provided be to support specific functions of the mailing system.
- the delivery address may be included in machine-readable form automatic mail sorting.
- the Identity of the sender can also be omitted.
- the machine-readable part the franking can be in the form of a two-dimensional barcode, for example be printed. If a franking proves to be valid and sufficient, the mail is delivered to the appropriate recipient.
- a franking system should be used also offer sufficient ease of use. After downloading postage in the value of x, the user should have the option of any Charge value (maximum x) to generate.
- the process of acquisition should be of postal fee units and the generation of frankings from each other be independent, so not as in known systems for generating a Franking first made an online connection to a postage fee facility must be to download a postage, which directly into a Franking is converted.
- the franking should also be offline and without intervention a third, the franking and settlement of the postage monitoring Facility to be possible.
- the data stamp also contains a code that refers to the uses used postage units to generate the franking, can also be determined in this review, if the appropriate Postage units used earlier to generate a franking and therefore consumed. Because the postal fee units also at any time and independently purchased and downloaded from the time of a postage due and subdivide into smaller subunits as well Combining larger units is also the required ease of use reached.
- FIG. 2 shows a mail item 8, in the example an envelope, with an inventive article Franking and addressing shown.
- This has an address field 81 for the Addressing, an optional sender address sender field 82, a Fee stamp 83, a data stamp 84 and a label 85 on.
- the label 85 is optional and serves as a kind of fingerprint for the mail, what on the label contained label data in the data stamp 84 in non-manipulable form are also included. This is to prevent the fee stamp 83 and the datestamp 84 cut or copied and on another mail glued and illegally reused.
- the data stamp 84 may be configured to be machine-readable is, the address of the addressee is included and for machine sorting of the Postage good can be used. In this case, the franking could also only be used for a mail addressed to the same addressee.
- the Arrangement, size and design of the individual fields 81 to 85 can of course also done differently than shown.
- Z denote the set of integers, q a prime, G a family of finite, multiplicative Abelian groups Gq of order q .
- G q a prime
- G q a family of finite, multiplicative Abelian groups Gq of order q .
- powers g x with ( g ⁇ Gq and x ⁇ Z ) defined by repeated multiplication in G q .
- families of groups G q which have efficient algorithms for multiplying group elements, equally distributing randomly selecting group elements, and testing two group elements for equality. Furthermore, the calculation of discrete logarithms is difficult, ie not possible in polynomial time in the bit length of q. Although the last property has not been proven for any family of groups to date, there are candidates to whom these attributes are attributed after several decades of intensive research. This is called the discrete logarithm assumption or discrete representation assumption. Both are equivalent.
- One candidate is large cyclic subgroups of multiplicative groups Zp of finite fields of residues modulo a large prime p. Large means here that p is at least 1024 bit long.
- Other (but less well studied) candidates are families of certain elliptic curves, more specifically large subsets of elliptic curves. The elliptic curves should not be super-singular and of low sex. Specific recommendations are made, for example, by the National Institute of Standards and Technology (NIST) [NIST99] (http://csrc.nist.gov/encryption).
- the current state of research is that calculating discrete logarithms in the former candidate at a module length of 1024 bits is about as heavy as calculating discrete logarithms in the latter candidate at a plot of about 160 bits.
- the multiplicative notation of G q is used. This notation can be easily translated into the additive notation common to elliptic curves by replacing multiplications in G q by addition and powers in G q by scalar multiples of points in a curve.
- a protocol declaration each of which is listed in the first line of the figure consists of the formal output parameters, followed by an assignment arrow, followed by the Log names and the formal input parameters in parentheses.
- All input and output parameters are one Participants in square brackets enclosed, with the bracket in Superscript the abbreviation of the subscriber (S for user, P for Postmay responded) is attached.
- Formal input parameters can be from a protocol participant alone or jointly by all protocol participants be taken. The former are private entries, the latter are called common Inputs.
- a protocol definition is done in matrix notation, with the Each participant's actions are written in columns one below the other and each one Column is overwritten with the participant name. Consecutive A participant's actions can be grouped into blocks.
- Log actions are written in the usual mathematical notation with some special symbols.
- the equally distributed random choice of an element from a set A and the assignment of this element to a variable a is denoted by a E R A.
- the evaluation of an expression E and subsequent assignment of the result to a is denoted by a ⁇ E.
- H denotes a pseudorandom hash function which returns a value of Z q after input of any binary string. It is allowed to write an H with any number of arguments. In this case, the input to H is the concatenation of the binary representations of all arguments.
- Arithmetic operations are written either in G q , ie multiplication mod p, or in Z q , ie addition and multiplication mod q.
- p denotes a large prime number
- q a large divisor of p -1
- Gq the unique subgroup of the multiplicative group of the body Z p having the order q.
- g 1, g 2, G, G 0 be four generators of G q which are chosen independently and equally distributed randomly at system startup.
- a digital coin is valid with respect to a public key y if it satisfies the following equation: Indices or data stamps are in their digital form tuples A, B, (z, a, b, r) s, rcpt, d / t), the first part (A, B, (z, a, b, r) ) is a digital coin, and the second part (s, rcpt, d / t) specifies the power that can be paid for with that indicium.
- s ⁇ 3 / q q are an auxiliary value that allows the user to de-anonymise in the case of fraud, the recipient rcpt and d / t the creation date and the creation time of the index. Further data on the origin of the indicium can be added. A datestamp is valid if the following equation is met:
- FIG. 3 shows part of the protocol that runs when a postage account account is opened.
- a protocol is shown which is traversed to download digital coins.
- Common input is the account number I and the public key y of the postal fee facility.
- Private entry of the postal fee facility P is her private key x.
- Private input of the user S is his private digital identity (u 1 , u 2 ).
- the user proves to have a discrete representation of I (block 51).
- the protocol is shown in FIG.
- the postage facility and the user take the joint input I and the user takes as his private input his private digital identity (u 1 , u 2 ).
- Now the user selects uniformly distributed random two values w 1, w 2 E Z q and computes a ⁇ g w 1/1 g w 2 / 2.
- This value a is sent to the postal charges means evenly distributed then randomly selects a value c and him sends to the user.
- the user equally randomly selects the values u, v according to block 52.
- the postage meter selects a value t and then calculates the components z, a, b according to block 53.
- the user calculates the value r 'and accepts the obtained digital coin (A', B ', (z', a ', b', r ')) if valid (see equation (1) above) with respect to public key y of the postage facility (see block 56).
- the user stores the discrete representations ⁇ , ⁇ of A and B for the obtained digital coin.
- FIG. 7 shows a test impression of a data stamp with a data matrix of 40 ⁇ 40 elements, ie the smallest amount of data, the options listed in Table 1.
- the printed data stamp is machine-readable and contains the electronic data Coin, its value and its expiry date, as well as other information that the Individualize franking.
- the data matrix 100 may also be made a different number of elements of mx x n elements are formed. Left beside the printed data matrix 100 is a common advertising imprint reproduced.
- the above has been a method for automatic franking of mail and the Review of the franking described.
- the inventive concept can be but use it everywhere in e-commerce (ie-cash systems), For example, it is readily possible that by means of the invention in decentralized and open systems also services such as the issue of Tickets and tickets (theater tickets, tickets, etc.) are handled. Becomes For example, generates a ticket from the ticket user itself, so contains the Ticket imprint all the data of the ticket individual electronic coin. There Each ticket is individualized, is a multiple use of the ticket locked out.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Description
- Figur 1
- das Blockschaltbild eines erfindungsgemäßen Frankier-systems;
- Figur 2
- ein nach dem erfindungsgemäßen Verfahren frankiertes Postgut;
- Figur 3
- das zum Eröffnen eines Postgebührenkontos abgearbeitete Protokoll;
- Figur 4
- das zum Herunterladen einer Postgebühreneinheit abgearbeitete Protokoll;
- Figur 5
- das zur Erzeugung eines Datenstempels abgearbeitete Protokoll;
- Figur 6
- das zur Detektion der doppelten Verwendung einer Postgebühreneinheit abgearbeitete Protokoll.
- Figur 7
- zeigt einen beispielhaften Abdruck (eines Datenstempels bzw. einer elektronischen Münze) mit einer Datenmatrix von 40 x 40 Elementen
neues Postgebührenkonto mit Nummer I eröffnet.
Claims (19)
- Verfahren zum maschinellen Frankieren von Postgut (8) und zur Prüfung der Frankierung, wobei Postgebühren in elektronischer Form als elektronische Münzen gespeichert und abgerechnet werden und wobei auf das Postgut (8) ein maschinenlesbarer, die elektronische Münze enthaltener Datenstempel aufgebracht wird, wobei für jedes Stück Postgut eine individuelle, von denen für andere Stücke Postgut erzeugten elektronischen Münzen unterscheidbare elektronische Münze erzeugt wird und anhand des die elektronische Münze enthaltenen Datenstempels (84) eine Prüfung auf mehrfache Verwendung von elektronischen Münzen und/oder Datenstempeln erfolgt.
- Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Prüfung durch Vergleich der zu prüfenden elektronischen Münze (84) mit einer in einer Datenbank (14) gespeicherten benutzten elektronischen Münze erfolgt. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass jeder Datenstempel (8) bzw. die in ihr enthaltene elektronische Münze ein (individuelles) Verfallsdatum enthält. - Verfahren nach Anspruch 3,
dadurch gekennzeichnet, dass in der Datenbank (14) nur die bis zu einem maximalen Verfallsdatum gültigen, bereits benutzten elektronischen Münzen gespeichert werden. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Postgebühren, die eine elektronische Münze repräsentieren, als Postgebühreneinheiten gespeichert werden, wobei jede Postgebühreneinheit eine postgutindividuelle Codierung aufweist und dass die Codierung derart bei der Erzeugung der elektronischen Münze für ein Postgut (8) verwendet wird, das anhand des Datenstempels (84) überprüfbar ist, ob eine Postgebühreneinheit bzw. elektronische Münze bereits zur Frankierung eines Postguts verwendet worden ist. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, dass mehrere Postgebühreneinheiten zur Frankierung eines Postguts (8) kombinierbar sind und/oder eine Postgebühreneinheit aus mehreren elektronischen Münzen bestehen kann. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die elektronische Münze nur ganz bestimmte Daten authentisiert. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Postgebühreneinheiten in mehreren Untereinheiten unterteilt sind und dass die Untereinheiten zur Frankierung unterschiedlicher Stücke Postgut verwendbar sind. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Erzeugung der Postgebühreneinheiten bei deren Erwerb von einer Postgebühreneinrichtung mittels eines nur ihrbekannten (geheimen) Schlüssels erfolgt. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass in dem Datenstempel (84) bzw. in der generierten elektronischen Münze dessen bzw. deren Erstelldatum und Erstellzeit, die frankierte Postgebühr und/oder der Adressat des Postguts (8) (in nicht manipulierbarer) Form enthalten sind. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass in dem Datenstempel (84) bzw. der generierten elektronischen Münze das Postgut (8) charakterisierende Postgutdaten, insbesondere physikalische Eigenschaften des Postguts charakterisierende Postgutdaten, enthalten sind. - Verfahren nach Anspruch 11,
dadurch gekennzeichnet, dass als Postgutdaten die Art und/oder Oberflächenstruktur des Verpackungsmateriales des Postguts einmalig charakterisierende und/oder auf einem zusätzlich auf dem Postgut aufgebrachten Etikett (85) befindliche Etikettdaten verwendet werden. - Verfahren zum maschinellen Frankieren von Postgut (8),
wobei Postgebühren als elektronische Münze in elektronischer Form gespeichert und abgerechnet werden und wobei auf das Postgut (8) ein maschinenlesbarer die elektronische Münze enthaltener Datenstempel (84) aufgebracht wird, wobei für das Stück Postgut (8) ein individueller, von den für andere Stücke Postgut erzeugte elektronische Münze unterscheidbare elektronische Münze (84) erzeugt und auf das Postgut (8) aufgebracht wird, und zwar in der Art, dass anhand des die elektronische Münze enthaltenen Datenstempels (84) eine Prüfung auf mehrfache Verwendung von elektronischen Münzen und/oder Datenstempeln möglich ist. - System zur Durchführung des Verfahrens nach Anspruch 1,mit eine Frankiermaschine (2) zum maschinellen Frankieren von Postgut (8), umfassend eine Druckeinheit (22) zum Aufbringen eines maschinenlesbaren, unter Umständen verschlüsselten, Datenstempels (84) auf das Postgut (8) und eine Zentraleinheit (21) mit einem Gebührenmodul (23) zum Laden, Speichern und Abrechnen von Postgebühren, mit einem Drucksteuermodul (25) zum Steuern der Druckeinheit (22), undmit einer Postgebühreneinrichtung (11) zum Ausgeben von Postgebühreneinheiten undmit einer Prüfeinrichtung (13) zum Prüfen des Datenstempels, wobei ein kryptographisches Modul zum Verschlüsseln von Daten für den Datenstempel vorgesehen ist, welches derart ausgestaltet ist, dass für jedes Stück Postgut (8) ein individueller, von den für andere Stücke Postgut unterscheidbarer Datenstempel (84) erzeugt wird, und dass die Prüfeinrichtung ausgestaltet ist zur Überprüfung auf mehrfache Verwendung von Postgebühren und/oder Datenstempeln anhand des Datenstempels (84).
- System nach Anspruch 14,
dadurch gekennzeichnet, dass der Datenstempel (84) die Informationen einer elektronischen Münze enthält und die elektronische Münze für jede Frankierung individualisiert ist, so dass sich die elektronischen Münzen jeder Frankierung voneinander auch dann unterscheiden, wenn der gleiche Gebührenwert auf das Postgut aufgedruckt ist. - System nach Anspruch 14 oder 15,
dadurch gekennzeichnet, dass die Prüfeinrichtung (13) eine Speichereinrichtung (14) aufweist zum Speichern benutzter Datenstempel bzw. benutzter elektronischer Münzen. - System nach Anspruch 16,
dadurch gekennzeichnet, dass die Postgebühreneinrichtung (11) eine Verschlüsselungseinrichtung (12) (Kryptografieeinrichtung) zum Verschlüsseln (Kryptografieren) von Postgebühreneinheiten aufweist. - Frankiermaschine (2) zum maschinellen Frankieren von Postgut (8), umfassend eine Druckeinheit (22) zum Aufbringen eines maschinenlesbaren, eine elektronische Münze enthaltenen Datenstempels auf das Postgut (8) eine Zentraleinheit (21) mit einem Gebührenmodul (23) zum Laden, Speichern und Abrechnen von Postgebühren, mit einem Drucksteuermodul (25) zum Steuern der Druckeinheit (22), wobei auf jedes Stück Postgut (8) ein individueller, von den für andere Stücke Postgut erzeugte Datenstempel unterscheidbarer Datenstempel (84) derart erzeugt wird, dass anhand des Datenstempels (84) eine Überprüfung auf mehrfache Verwendung von Postgebühren und/oder Datenstempeln und/oder elektronischer Münzen möglich ist.
- Frankiermaschine nach Anspruch 18,
dadurch gekennzeichnet, dass die Frankiermaschine im Wesentlichen durch einen konventionellen Computer mit einem konventionellen Drucker realisiert ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19958721A DE19958721A1 (de) | 1999-12-06 | 1999-12-06 | Frankierverfahren und -vorrichtung |
| DE19958721 | 1999-12-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1107190A1 true EP1107190A1 (de) | 2001-06-13 |
| EP1107190B1 EP1107190B1 (de) | 2006-02-15 |
Family
ID=7931574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00118472A Expired - Lifetime EP1107190B1 (de) | 1999-12-06 | 2000-08-25 | Frankierverfahren und -vorrichtung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7496538B2 (de) |
| EP (1) | EP1107190B1 (de) |
| DE (2) | DE19958721A1 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19958721A1 (de) * | 1999-12-06 | 2001-07-12 | Francotyp Postalia Gmbh | Frankierverfahren und -vorrichtung |
| US7162035B1 (en) | 2000-05-24 | 2007-01-09 | Tracer Detection Technology Corp. | Authentication method and system |
| US8171567B1 (en) | 2002-09-04 | 2012-05-01 | Tracer Detection Technology Corp. | Authentication method and system |
| DE10260406B4 (de) * | 2002-12-16 | 2007-03-08 | Francotyp-Postalia Gmbh | Verfahren und Anordnung zur unterschiedlichen Erzeugung kryptographischer Sicherungen von Mitteilungen in einem Hostgerät |
| US20040122776A1 (en) * | 2002-12-18 | 2004-06-24 | Pitney Bowes Incorporated | Method for obtaining refunds from a meter that produces a dual postal indicia |
| US7937333B2 (en) * | 2003-09-19 | 2011-05-03 | Pitney Bowes Inc. | System and method for facilitating refunds of unused postage |
| US7353213B2 (en) * | 2003-09-19 | 2008-04-01 | Pitney Bowes Inc. | System and method for preventing duplicate printing in a web browser |
| US20050138469A1 (en) * | 2003-09-19 | 2005-06-23 | Pitney Bowes Inc. | Fraud detection in a postage system |
| DE102004037695A1 (de) * | 2004-08-02 | 2006-02-23 | Deutsche Post Ag | Verfahren und Vorrichtungsanordnung zur digitalen Freimachung von Postsendungen |
| DE102004046051A1 (de) * | 2004-09-21 | 2006-03-30 | Deutsche Post Ag | Verfahren und Vorrichtung zum Frankieren von Postsendungen |
| DE102007018394A1 (de) * | 2007-04-17 | 2008-10-23 | Deutsche Post Ag | Verfahren zur Frankierung einer Postsendung sowie Vorrichtung, Netzwerkknoten, Logistiksystem und Bearbeitungseinheit zur Durchführung des Verfahrens |
| US7995196B1 (en) | 2008-04-23 | 2011-08-09 | Tracer Detection Technology Corp. | Authentication method and system |
| US20160292788A1 (en) * | 2015-03-30 | 2016-10-06 | Domenick Gabriel Grasso | Currency and Financial Instrument Based Digital Assets |
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| WO1997024699A1 (en) * | 1995-12-29 | 1997-07-10 | S. E. Axis Limited | Authentication of articles |
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| US4775246A (en) * | 1985-04-17 | 1988-10-04 | Pitney Bowes Inc. | System for detecting unaccounted for printing in a value printing system |
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| US5606507A (en) * | 1994-01-03 | 1997-02-25 | E-Stamp Corporation | System and method for storing, retrieving and automatically printing postage on mail |
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| US5513563A (en) * | 1994-11-14 | 1996-05-07 | Pitney Bowes Inc. | Indicia security via variable dot size |
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| US6438530B1 (en) * | 1999-12-29 | 2002-08-20 | Pitney Bowes Inc. | Software based stamp dispenser |
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- 1999-12-06 DE DE19958721A patent/DE19958721A1/de not_active Withdrawn
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2000
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- 2000-08-25 DE DE50012218T patent/DE50012218D1/de not_active Expired - Lifetime
- 2000-12-01 US US09/728,741 patent/US7496538B2/en not_active Expired - Fee Related
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| US5390251A (en) * | 1993-10-08 | 1995-02-14 | Pitney Bowes Inc. | Mail processing system including data center verification for mailpieces |
| US5987441A (en) * | 1995-12-19 | 1999-11-16 | Pitney Bowes Inc. | Token generation process in an open metering system |
| WO1997024699A1 (en) * | 1995-12-29 | 1997-07-10 | S. E. Axis Limited | Authentication of articles |
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Also Published As
| Publication number | Publication date |
|---|---|
| US7496538B2 (en) | 2009-02-24 |
| DE19958721A1 (de) | 2001-07-12 |
| EP1107190B1 (de) | 2006-02-15 |
| DE50012218D1 (de) | 2006-04-20 |
| US20020035547A1 (en) | 2002-03-21 |
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