WO2005102718A1 - Imprimante combinee - Google Patents

Imprimante combinee Download PDF

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Publication number
WO2005102718A1
WO2005102718A1 PCT/EP2005/004179 EP2005004179W WO2005102718A1 WO 2005102718 A1 WO2005102718 A1 WO 2005102718A1 EP 2005004179 W EP2005004179 W EP 2005004179W WO 2005102718 A1 WO2005102718 A1 WO 2005102718A1
Authority
WO
WIPO (PCT)
Prior art keywords
rfid
unit
printing unit
thermal transfer
label
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2005/004179
Other languages
German (de)
English (en)
Inventor
Johannes Lenkl
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.)
Avery Dennison Corp
Original Assignee
Avery Dennison Corp
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 Avery Dennison Corp filed Critical Avery Dennison Corp
Publication of WO2005102718A1 publication Critical patent/WO2005102718A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
    • B41J3/4075—Tape printers; Label printers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/16—Means for tensioning or winding the web
    • B41J15/165—Means for tensioning or winding the web for tensioning continuous copy material by use of redirecting rollers or redirecting nonrevolving guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
    • B41J3/546—Combination of different types, e.g. using a thermal transfer head and an inkjet print head
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G06K1/121—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by printing code marks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier

Definitions

  • the present invention relates to a printer for printing on print media which are arranged on a carrier web and contain RFID tags.
  • the printer is a combination printer, ie it contains both an inkjet printing unit and a thermal transfer printing unit or a direct thermal printing unit.
  • Such printers are used to print product information labels such as size and price garments.
  • the thermal transfer printing unit is used, which normally contains only a single thermal transfer film, so that the label can only be printed with one color.
  • Multi-color printing is provided by the inkjet printing unit.
  • the inkjet printing unit is not suitable for printing on any surface, since the ink must be able to seep into a porous material.
  • the inked printing medium must also dry for a while so that the printed area is not smeared by external influences.
  • the advantages of inkjet printers and thermal transfer printers are optionally used in the previously known combination printer.
  • the print medium is conveyed from the ink jet printing unit to the thermal transfer printing unit via the conveyor belt.
  • the Inkjet printing unit is located "upstream" from the thermal transfer printing unit to allow the ink to dry on and in the medium as it is being conveyed from the thermal transfer printing unit to the thermal transfer printing unit.
  • a buffer unit is preferably provided between the inkjet printing unit and the thermal transfer printing unit so that a continuous conveyance of print media through the carrier web can be made possible by the combination printer.
  • the buffer unit delays the conveyance of the printing medium printed with ink to the thermal transfer printing unit until the applied ink has dried and the thermal transfer printing can thus finally be carried out.
  • RFID stands for radio frequency identification.
  • An RFID label includes any device that can be addressed at a certain distance using radio waves.
  • the RFID tag is designed to in turn emit a radio frequency signal in response to a received radio frequency signal.
  • tags are also referred to as RFID tags that work in the gigahertz range (microwaves) or in the range of a few hundred Hertz. Infrared radiation, visible light and higher-energy electromagnetic radiation are excluded, since they have different properties, particularly sensitive to temperature fluctuations and lighting conditions.
  • the term label is used because the presence of the label can easily be determined in the send / receive area of the RFID label.
  • the radio frequency signal sent by the RFID label can contain an identifier of the label and can thus serve to identify the label.
  • the RFID label can be used to identify any product to which it is physically attached. Each device can be referred to as a label that can be affixed to a product to identify it.
  • the RFID label can consist of microfibers that are contained in the paper.
  • the RFID label consists of a transponder and an antenna.
  • the antenna is there to receive the respective electromagnetic radiation and send it out.
  • the term transponder is composed of the words transmitter / responder, which means transmitter / responder in German.
  • the function of the transponder is to automatically generate a response to a request or a received signal.
  • the identifier of the RFID tag is sent by the transponder in response to a received signal.
  • the transponder thus represents in particular a data memory.
  • the transponder usually consists of a transistor circuit which is implemented by a microchip.
  • Print media which contain an RFID label consist, for example, of a piece of paper or a plastic card, on which the transponder in the form of a microchip is glued together with the antenna or is otherwise attached.
  • the RFID tags comprise an antenna and a transponder chip designed as a microchip.
  • the connection between the transponder and the antenna breaks relatively easily.
  • it is absolutely necessary for the functioning of the RFID label Such a break can occur in particular if the print head, in particular the thermal transfer printer, is too high or too high. high temperature is transmitted to the transponder and / or the antenna of the RFID tag. Applying liquid ink to the transponder and / or the antenna can also be harmful, since this can induce short circuits.
  • the object is achieved by the printer according to appended claim 1. It is a combination printer that uses a thermal transfer and / or
  • Direct thermal printing unit and an inkjet printing unit furthermore the printer has an RFID reader.
  • the reading unit is suitable for controlling RFID labels in order to read out information, in particular the identification of the RFID labels.
  • the RFID reader can thus monitor at any time whether print media with RFID labels are currently being fed or printed. If there are no print media available, the RFID reader does not receive a signal after sending a query. If the RFID reading unit has received information from an RFID label, in particular the identification of the RFID labels, the combination printer can be controlled as a function of the information from the RFID label. The printer thus automatically finds out whether existing RFID tags should be taken into account when printing, which is why damage to the RFID tags can be avoided.
  • a control unit is preferably provided which receives the information received from the RFID reading unit.
  • the control unit controls the printing, in particular the thermal transfer and / or direct thermal printing unit and the inkjet printing unit as a function of the information received.
  • the thermal transfer printing unit and the inkjet printing unit normally have a CPU and a working memory to control the printing units.
  • the CPU can act as a control unit, which processes the information from the RFID reading unit.
  • the CPU retrieves information from the RFID reader.
  • the information received from an RFID label can in particular contain the nature of the print medium and the RFID label.
  • the combination printer according to the invention can thus react appropriately to the nature of the printing medium and the label in order to avoid damage to the labels.
  • the control unit ensures that the print heads are lifted from the print medium in the area of the RFID label so that the print head does not collide with the label.
  • information regarding the location of the label on the printing medium and information about whether the printing of the label in the vicinity of the RFID label could be included.
  • the RFID label could even indicate which motif is to be printed on the print medium.
  • the RFID label preferably only transmits its identifier (ID).
  • ID is a sequence of digits that uniquely identifies the RFID label. All further Information regarding the RFID label as well as the printing medium and possibly the motif to be printed are stored in an identification memory of the control unit. If the control unit is implemented by the CPU and the main memory of the thermal transfer and inkjet printing unit, a non-volatile memory (for example a hard disk) is provided as the identifier memory. All identifiers of RFID labels to be printed are stored in the identifier memory. Exactly one instruction set is assigned to each identifier. The instruction set includes all instructions with which the printer according to the invention is to be controlled in order to ensure smooth printing.
  • an RFID transponder can be shielded electromagnetically if it is surrounded by a metal layer. This can be achieved, for example, by printing conductive ink, for example ink with fine metal particles, on the RFID transponder.
  • the RFID reading unit which is combined with the combination printer according to the invention, preferably recognizes whether a transponder is to be printed with such a printing medium.
  • the control unit then ensures that the inkjet printing unit is used to print a layer of ink on the RFID transponder covered by an insulator in order to electromagnetically shield the RFID transponder.
  • the RFID label can no longer be accessed by means of an RFID reading unit. In a way, it can remain hidden that an RFID label is present. Only those who know their position can read the information from the RFID label by removing the ink. This can be used in particular to prove the originality of objects. For example, such hidden RFID tags can be sewn into items of clothing. The forger such garments will have no knowledge of the RFID label. The counterfeit garment can be recognized by the fact that it does not have an RFID label. Finally, there are a variety of products where it is desired that certain information regarding the product be hidden from consumers. For example, RFID labeling could be used to document the manufacturing process of an item. The customer and especially potential competitors should not experience this.
  • the RFID reading unit If there are several RFID tags in the transmitter / reception area of the RFID reading unit, the RFID reading unit simultaneously receives several identifiers of the respective RFID tags in response to a request.
  • the RFID reader must therefore be enabled to separate the signals received from the RFID labels.
  • Several access methods are known from radio technology which allow several transmitters to send their data to a single receiver, namely the RFID reading unit: SDMA (Space Division Multiple Access), TDMA (Time Domain Multiple Access), FDMA (Frequency Domain Multiple Access) and CDMA (Code Division Multiple Access). Since the RFID technology of the transponders has only a limited capacity and should be manufactured as cheaply as possible, the TDMA is mainly suitable as a method.
  • the signals received by the RFID reading unit can be separated in time.
  • FDMA the signals sent by the RFID tags are sent on different carrier frequencies.
  • the carrier frequency signal is then amplitude modulated to transmit information.
  • the signals received in the RFID reader are then separated by frequency filters. It is also possible to use a combination of TDMA and FDMA.
  • Manchester coding is a suitable signal coding method that allows the RFID reading unit to recognize whether multiple RFID tags are sending signals.
  • anti-collision methods must be used to ensure that the RFID tags send their identifiers using one of the aforementioned access methods, for example TDMA, in such a way that they can be separated from the reading unit. There are deterministic and probabilistic algorithms for this.
  • a possible deterministic algorithm is the tree trunk algorithm. If this algorithm is used, the RFID reading unit requests all accessible RFID tags with each request step to send back their identification if the identification is part of a predetermined group of identifications. Responses to multiple RFID tag requests, i. H. if a collision is detected, the reading unit reduces the number of elements from the predetermined group on the next request. The group is reduced until only one RFID identifier is sent back. The corresponding RFID label is thus recognized. The algorithm proceeds analogously with the remaining identifiers until all RFID tags have been identified.
  • the reading unit provides the RFID labels with a number of time intervals. Each of the RFID tags randomly selects a time slot in which it responds. If the number of possible time slots is much larger than the number of responding tags, there is a low probability that none of the tags will respond alone during a time slot, or that there will be no time slot in which only one tag replies.
  • the RFID tag recognition process consists of several rounds of inquiry. As soon as the RFID reading unit has recognized an RFID label, the corresponding transponder of the RFID label is muted, so that no response from this transponder is received with the next request.
  • the reading unit can determine from the reduction in the received signal intensity from the RFID labels how far the labels are from the RFID reading unit. Since the labels move or are conveyed along a certain path through the printer, it is possible to infer the position of the respective label. It is therefore possible to determine which of the labels of the Inkjet printing unit is supplied and which is fed to the thermal transfer printing unit. This means that you can monitor which print media is being printed at any time. The position detection could also be determined on the basis of the determined transit time or time delay after a request from the reading unit.
  • the tree trunk process is particularly suitable for RFID label recognition. Since the speed at which the RFID tags are transported through the printing unit is known, the RFID reading unit can use this information to predict which of the recognized RFID tags will have left the sending / receiving area of the RFID reading unit with the next request. in particular which of the known RFID tags are received. The RFID tags, which are expected to be within the transmitting / receiving range of the reading unit when the next question is asked, are muted on the next request. If a new RFID tag is transported into the send / receive area of the RFID reader, this is the only answering RFID tag, since all other RFID tags are muted. The effort to identify the RFID tag is therefore very limited. An embodiment of the present invention is described below with reference to the accompanying Fig.1.
  • Fig. 1 shows a combination printer according to the embodiment of the present invention.
  • the combination printer shown is used for printing on print media which are arranged on a carrier web E.
  • the print media include or contain RFID tags. They are arranged at the same distance from one another along the carrier web E in the conveying direction.
  • An unwind roll 20 is provided outside of a housing 10 of the printer.
  • the carrier web E is pulled off the unwinding roll 20 and inserted into the printer housing 10.
  • the carrier web E is then guided past four inkjet printing units 30.
  • the inkjet printing units 30 are arranged at the same distance from one another along the carrier web within the housing 10.
  • Each inkjet printing unit 30 is designed to print the labels transported on the carrier web E in each case with a color.
  • Three of the four illustrated inkjet printing units 30 are each attached to two horizontal slits 32 running parallel to one another. Any of these
  • Inkjet printing units 30 can be displaced vertically along the carrier web E within the horizontal slots 32. Thus, the distance between the ink jet printing units 30 can be varied.
  • a plurality of biasing springs 66 are provided, which bias the dancer arm 62 to the left. I.e. the dancer arm 62 would move horizontally from the Extend axis 64 if the carrier web E would not exert a downward force on the dancer arm 62 via a roller 68.
  • the roller 68 is attached to the end of the support arm 62 opposite the axis 64.
  • the thermal transfer printing unit 70 the labels printed in color by the inkjet printing unit 30 are provided with a thermal transfer printing.
  • the thermal transfer printing unit 70 uses a transfer film, not shown.
  • the thermal transfer printing unit 70 also has a dispensing unit which detaches the labels arranged on the carrier web E and outputs them via a dispensing edge.
  • the carrier web E without a label finally arrives at a take-up roll 80, which is likewise arranged within the housing 10.
  • An RFID reading unit 100 is arranged in the immediate vicinity of the thermal transfer printing unit 70. This is located at the entrance of the carrier web E into the thermal transfer printing unit 70. Each of the labels transported over the carrier web E is guided past the RFID reading unit 100.
  • the RFID reading unit 100 shown in the exemplary embodiment shown has a short transmission / reception range. It communicates with RFID tags attached to the carrier web E by means of inductive coupling. Therefore, it only detects the RFID label located directly at the entrance of the thermal transfer printing unit 70. The distance between the RFID labels on the carrier web is large enough so that only one RFID label is detected by the RFID reading unit at a time.
  • the RFID reading unit 100 is connected to the thermal transfer printing unit 70 via a control unit (not shown).
  • the control unit is implemented by the CPU and the main memory of the thermal transfer printing unit.
  • the RFID reading unit 100 continuously addresses the RFID tags being passed, so that the control unit (not shown) is informed at all times about which is introduced as a 'next thermal transfer printing unit into the RFID tag 70.
  • the control unit has an identification memory in which the corresponding print job for the thermal transfer printing unit 70 is stored for each RFID label. Shortly before the label is inserted into the thermal transfer printing unit 70, the thermal transfer printing unit 70 is transmitted via the control unit of the print job, so that it is ensured that the labels are printed correctly by the thermal transfer printing unit 70. In particular, the print job contains information about where it should not be printed so that the RFID label is not damaged.
  • the RFID reading unit 100 is positioned in front of the thermal transfer printing unit 70 and between the inkjet printing units 30 and the thermal transfer printing unit 70. In this position, it can only be determined whether and, if so, which RFID label is currently being inserted into the thermal transfer printing unit 70. However, the RFID reading unit 100 can also be positioned in front of the inkjet printing units 30 and between the unwinding roller 20 and the inkjet printing units 30.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

La présente invention concerne une imprimante conçue pour imprimer des supports d'impression qui se trouvent sur une bande de support (E) et présentent des étiquettes RFID. Cette imprimante comprend une unité d'impression thermotransfert et/ou thermodirecte (70) et une unité d'impression à jet d'encre (30). La présente invention concerne également une unité de lecture RFID conçue pour lire des informations provenant des étiquettes RFID. Cette unité de lecture RFID est reliée à l'unité d'impression thermotransfert et/ou thermodirecte (70) et à l'unité d'impression à jet d'encre (30) de manière à pouvoir commander l'unité d'impression thermotransfert et/ou thermodirecte (70) et à l'unité d'impression à jet d'encre en fonction des informations lues à partir de chaque étiquette RFID.
PCT/EP2005/004179 2004-04-20 2005-04-19 Imprimante combinee Ceased WO2005102718A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410019069 DE102004019069A1 (de) 2004-04-20 2004-04-20 Kombi-Drucker
DE102004019069.0 2004-04-20

Publications (1)

Publication Number Publication Date
WO2005102718A1 true WO2005102718A1 (fr) 2005-11-03

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ID=34965060

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/004179 Ceased WO2005102718A1 (fr) 2004-04-20 2005-04-19 Imprimante combinee

Country Status (2)

Country Link
DE (1) DE102004019069A1 (fr)
WO (1) WO2005102718A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009056519A1 (fr) * 2007-10-29 2009-05-07 Weidmüller Interface GmbH & Co. KG Imprimante et marqueur pour marquer des appareils, des connecteurs, des câbles électriques ou analogues
US11017185B2 (en) 2016-11-16 2021-05-25 Avery Dennison Retail Information Services Llc Programming and testing of wire RFID tags

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007061626B4 (de) * 2007-12-18 2019-06-06 Tesa Scribos Gmbh Verfahren zur Beschriftung von Etiketten in Abhängigkeit von andersartiger Kennzeichnung
JP2018097686A (ja) * 2016-12-14 2018-06-21 東芝テック株式会社 Ｒｆｉｄリーダライタ及びプログラム
JP2020112930A (ja) * 2019-01-09 2020-07-27 東芝テック株式会社 データ格納装置及びデータ格納方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019865A (en) * 1998-01-21 2000-02-01 Moore U.S.A. Inc. Method of forming labels containing transponders
WO2002074546A1 (fr) * 2001-03-20 2002-09-26 Avery Dennison Corporation Imprimante combinee
EP1394718A2 (fr) * 2002-08-16 2004-03-03 Paxar Corporation Imprimante portable avec capacité de lecture/écriture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6784789B2 (en) * 1999-07-08 2004-08-31 Intermec Ip Corp. Method and apparatus for verifying RFID tags
DE19963609C1 (de) 1999-12-23 2001-05-03 Voest Alpine Ind Anlagen Verfahren zur Erzeugung von Roheisen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019865A (en) * 1998-01-21 2000-02-01 Moore U.S.A. Inc. Method of forming labels containing transponders
WO2002074546A1 (fr) * 2001-03-20 2002-09-26 Avery Dennison Corporation Imprimante combinee
EP1394718A2 (fr) * 2002-08-16 2004-03-03 Paxar Corporation Imprimante portable avec capacité de lecture/écriture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009056519A1 (fr) * 2007-10-29 2009-05-07 Weidmüller Interface GmbH & Co. KG Imprimante et marqueur pour marquer des appareils, des connecteurs, des câbles électriques ou analogues
US11017185B2 (en) 2016-11-16 2021-05-25 Avery Dennison Retail Information Services Llc Programming and testing of wire RFID tags

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