EP2296901A1 - Réservoir contenant un fluide sous pression pour un appareil à pression, appareil à pression avec un tel réservoir et procédé d'établissement d'une communication - Google Patents

Réservoir contenant un fluide sous pression pour un appareil à pression, appareil à pression avec un tel réservoir et procédé d'établissement d'une communication

Info

Publication number
EP2296901A1
EP2296901A1 EP08774951A EP08774951A EP2296901A1 EP 2296901 A1 EP2296901 A1 EP 2296901A1 EP 08774951 A EP08774951 A EP 08774951A EP 08774951 A EP08774951 A EP 08774951A EP 2296901 A1 EP2296901 A1 EP 2296901A1
Authority
EP
European Patent Office
Prior art keywords
container
signal
state
output
pressure
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.)
Withdrawn
Application number
EP08774951A
Other languages
German (de)
English (en)
Inventor
Massimo Casalegno
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.)
Pelikan Hardcopy Production AG
Original Assignee
Pelikan Hardcopy Production AG
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 Pelikan Hardcopy Production AG filed Critical Pelikan Hardcopy Production AG
Publication of EP2296901A1 publication Critical patent/EP2296901A1/fr
Withdrawn legal-status Critical Current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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17543—Cartridge presence detection or type identification
    • B41J2/17546—Cartridge presence detection or type identification electronically
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17566—Ink level or ink residue control

Definitions

  • a container of printing medium for a printing device a printing device having such a container and a method for establishing a communication
  • the present invention basically relates to the problem of being able to use pressure medium containers flexibly together with different pressure devices or, conversely, using a pressure device, to be able to use different pressure medium containers flexibly.
  • EP 1 403 070 and EP 1 837 187 disclose procedures which proceed from the stated problem.
  • an input module is provided on the container, by means of which the signals received by the printing device of different significance are selectively forwarded to various units affected thereby, which are installed by means of a chip on the respective container. If it is detected on a signal coming from the pressure device that it is a fill level request signal, then the sensor replacement module is activated.
  • the detected fill level request signal activates the sensor replacement module. It simulates the operation of the - not installed - sensor. Due to this operational simulation, there is also the expected from the pressure gauge level indicator signal.
  • An output module on the container returns the level indication signal to the pressure device. The printing device then assumes the operating state that it would assume if an actually provided level sensor, in response to the mentioned query, would output a substantially equal fill level indication signal.
  • a two-way signal connection for electrical signals is created, namely between a pressure-side interface and a container-side interface, and in which, over the Two-way signal connection, an interrogation signal for a container state is transmitted to the container and then a status indication signal is returned, achieved in that the container, a memory is provided with the status indication signal as pre-stored signal.
  • a memory output is operatively connected to the container side interface, an output control input of the memory as well.
  • the condition indication signal is pre-stored on the container, namely in the mentioned memory.
  • the interrogation signal does not trigger on the basis of its signal properties but due to the event that the interrogation signal is present.
  • Container in this case particularly simple, by directly triggering the occurrence of an electrical signal which is above the noise level, at the mentioned interface, the output of the state indication signal from the memory.
  • the printing device with respect to said interface is designed so that over it different signals, for different purposes, are performed, including the mentioned interrogation signal, then, according to a variant embodiment of the inventive container, the
  • Output control input of the memory and the container-side interface a signal discriminator interposed. This is recognized when an applied signal is a status request signal. Provision of a signal discriminator unit of the type mentioned, which is pre-settable, for example, with respect to signal discrimination, for example, makes it possible to perform the read-out operation on the memory due to predetermined state request signals.
  • the signal discriminator unit merely determines whether or not the or a particular interrogation signal is present.
  • the container condition queried by a condition request signal may be a temperature, a characteristic of the pressure medium, the container, etc.
  • the queried condition is a fill level condition of the print medium or one of the print media in the container.
  • the two-way signal connection is a connection via galvanic contacts and is provided exclusively for the transmission of status inquiry signals and status indication signals.
  • the last-mentioned embodiment results in a particularly simple embodiment of the container according to the invention. If a signal from the printing device is present at the simple, galvanically formed interface, then, without further examination of this signal, the prestored state-indicating signal is output.
  • the container-side interface and the signal discriminator unit is an intermediate A / D converter. This makes it possible to detect a printer-side outputted analog state request signal in digital technology and evaluate according to the invention.
  • the memory contains a plurality of the prestored state indication signals.
  • Each of the aforementioned prestored state indication signals is associated with at least one prestored state request signal, tabular.
  • the signal discriminator unit is further developed into a signal detection unit such that it detects whether and, if so, which of the prestored state request signals is currently being applied by the printing device, whereby the respectively assigned state indication signal is output.
  • At least one sensor is provided for at least one state of the container on the container.
  • This sensor outputs at least one condition-dependent sensor signal, which, for example, does not correspond to the condition-dependent signal which a specific pressure device expects in response to its query.
  • the output of the prestored state indication signal is therefore due to the concern of the state request signal on the one hand, but is additionally linked to a sensor signal dependent condition. This makes it possible to "convert" the state-dependent sensor signal, which is generated by a sensor on the container, in a different, expected by the respective pressure device signal.
  • a mechanical / electrical converter is provided thereon, at least for the generation of the electrical energy required on the container, whereby for the inventive container, autonomy is obtained with respect to electrical energy.
  • a pressure medium container with a mechanical / electrical energy converter for ensuring the operating energy for arranged thereon electronic components is considered as a further invention.
  • the invention further relates to a method for establishing communication between a printing device and a container of printing medium mounted thereon in which, responsive to a status request signal from the printing device, the container responds with a status indication signal.
  • a container status identifying signal is pre-stored on the container and this signal, when the condition request signal from the pressure device, issued to the printing device.
  • a state-dependent sensor signal is generated by means of at least one sensor on the container, and the output of the prestored state-indicating end signal is additionally linked to a condition dependent on the sensor signal.
  • Figure 1 Based on a simplified signal flow / function block diagram a inventive container on a printing device in a first embodiment.
  • FIG. 2a over the time axis a pressure device side generated state query signal.
  • FIG. 2b shows a status indication signal pre-stored on the container prestored on the interrogation signal according to FIG. 2a from the container to the pressure device.
  • FIG. 3 Schematically the generation of a signal which indicates that a status request signal has been generated on the pressure device side of the container.
  • Figure 4 Further simplified and in the form of a signal flow / function block diagram, a further embodiment of the inventive container or the inventive method.
  • FIG. 5 Further simplified and in the form of a signal flow / function block diagram, a further embodiment of a container according to the invention or of a method according to the invention.
  • Figure 6 Simplifies and based on a signal flow / function block diagram, another embodiment of a container according to the invention or a method according to the invention.
  • Figure 7 Simplified and schematically a mechanical / electrical converter to a container for printing medium, operatively connected to a printing device, for creating electrical energy autonomy on the container.
  • FIG. 1 simplified and in the form of a signal flow / function block diagram, a first exemplary embodiment of a container according to the invention or of a printing apparatus with such a container or the inventive communication method is shown.
  • a two-way signal connection 5 exists between a printing apparatus 1 and a container 3 for at least one usually liquid printing medium, for example ink (not shown).
  • a container-side interface 7b is provided and a pressure-device-side interface 7d.
  • the signal transmission between the interfaces 7d and 7b can be done wirelessly via a local radio link or optically, but in today's preferred embodiment is realized galvanically via metal contacts.
  • a state request signal ZAB is transmitted via the two-way signal connection 5 to the container 3.
  • a storage unit 9 is installed, for example an EPROM, which, as shown in dashed lines at LS, has been pre-charged.
  • a state indication signal ZAN is stored in the memory unit 9, as previously mentioned stored.
  • Output A9 of the memory unit 9 is operatively connected via the two-way signal connection to the printing device 1, via the mentioned interfaces 7b and 7d.
  • the two-way signal connection via the mentioned interfaces is exclusively for state request signals and
  • State indication signals ZAB or ZAN provided. If other than the state request signal ZAB are supplied to the container 3 via this connection 5 on the printer side, this is done via a second two-way signal connection 13 with corresponding interfaces. If, therefore, as shown schematically in FIG. 2a over the time axis t, an electrical signal which lies above the respective noise level at some point on the interface 7b from the printing device 1, must be a state request signal ZAB.
  • the addressed state request signal may be a digital or an analog signal.
  • the memory unit 9 is driven to an output control input L for outputting the stored signal ZAN, which is the bi-directional signal connection 5 back to the printing device 1.
  • the state display signal ZAN output after the time of occurrence t 1 and transmitted to the printer device 1 is shown schematically. Also at This signal ZAN can be a digital or an analog signal. However, because in the memory unit 9, the state indication signal ZAN is stored digitally anyway, the output of an analog signal to the printing device 1 requires a between output A9 of
  • Memory unit 9 and the container-side interface 7b provided digital / analog converter unit, as shown in dashed lines at 11 in Figure 1.
  • the signal ZAN is preferably stored in the memory unit 9 in the format expected by the printing device 1.
  • the printer-side process responsive to a condition request signal ZAB, receives a status indication signal ZAN which is the same as a status indication signal that would output a sensor to the container for the mentioned condition, if any, on the container 3.
  • the requested device state signal ZAN is therefore transmitted back to the printing device 1 in the same way as if a detecting sensor indicating the requested state with ZAN were provided on the container 3.
  • the signal ZAN is not only defined by the amplitude curve over the time t, but also delayed by an optionally present delay time interval ⁇ , which is transmitted back to the pressure device 1.
  • the pre-storage of the status indication signal ZAN on the storage unit 9 is carried out, for example, by means of a laptop or PC, and it may well be possible to apply the aforementioned status indication signal ZAN from a central location
  • Download server for example via the Internet and store in the unit 9.
  • the appropriate server ZAN is provided by the server mentioned, against payment or free of charge.
  • the queried by the printing device 1 state may well be a temperature of the container 3 or a peculiarity of the pressure medium used, etc., but in today's much preferred embodiment, a level state on
  • the prestored signal ZAN is a signal which corresponds to a fill level indication signal of a fill level sensor not installed on the container 3.
  • the processor P of the printing device 1 ' is the printer-side
  • Interface 7d both a state request signal ZAB, analogously to the embodiment of Figure 1, supplied, but in addition further control and / or interrogation signals
  • Signals ZAB The signals transmitted via the mentioned interfaces 7d 'and 7b' are therefore added to a signal discriminator unit 15.
  • characteristics or characteristics of the status request signal ZAB are stored, for example Anplitudenverlauf, pulse sequence, etc. or, as shown with ZAB 3 in Figure 4, the interest
  • the aforementioned output control signal is according to Figure 4, for example, a certain electrical potential ⁇ .
  • the event that the condition request signal is present triggers the output of the status indication signal ZAN via the output control input L to the memory unit 9. This is transmitted via the interfaces 7d 'and 7b' to the printing device 1 '.
  • the signal discriminator 15 is implemented in digital technology, the mentioned discriminator 15 and the container side interface 7b 'then an analog / digital converter interposed (not shown) when the printing device 1' the State query signal provides as an analog signal. As already stated in connection with FIG. 1, the container-side interface 7b 'and the output A9 of the memory unit 9 are then interposed with a digital / analog converter when the viewed printing apparatus 1 expects and processes the status indication signal ZAN as an analog signal.
  • the procedure according to FIG. 4 and as discussed so far is based on the fact that signals are transmitted via the same device-side and container-side interfaces, in two-way communication, which, together with the state-of-interest signal and status indication signal of interest, comprise further signals.
  • FIG. 5 shows such a further embodiment.
  • the container 3 "comprises an interface 7b", for example, as already presented with reference to FIG. For reasons of simplicity, it is assumed that exclusively state-request signal ZAB x or state-indicated signal ZAN x are transmitted at this interface 7b ".
  • the container-side interface 7b is operatively connected to a signal discriminator unit 15".
  • the discriminator unit 15 “comprises a comparator unit 17" and a memory unit 19 ".
  • the memory unit 19 In the memory unit 19 '' characteristics or peculiarities of several different, of different pressure devices Ia, Ib, Ic ... used state query signals ZAB a , ZAB b , ••• stored, as shown, preferably such signals themselves.
  • the memory unit 19 " is, as already described with reference to FIG 4 memory unit 19, in advance of the memory unit 9 pre-loaded with the mentioned signals in digital form.
  • the container 3 " is now connected at will to one of the pressure devices Ia, Ib .... We call this selected printing device I x .
  • 'Now transmitted by this printing apparatus I x the state interrogation signal ZAB x to the container 3''of this status request signal of the comparator 17, so' is supplied.
  • a comparison cycle is triggered, in which all the state inquiry signals ZAB a , ZAB b ,..., Prestored in the memory unit 19 ''... As shown in FIG. 5 with the circulation symbol k, are present with the currently applied signal ZAB x , preferably cached, compared.
  • the memory unit 9 If coincidence of one of the stored signals ZAB a , ZAB b ,... Is detected with the instantaneous signal ZAB x present , then, as already explained with reference to FIG. 4, due to the detection of this event, namely that a recognized state request signal is present, the memory unit 9 "is driven for output.
  • the memory unit 9 '' are the state query signals ZAB 3 , ZABb, - associated, pressure device specifically expected state indication signals ZAN 3 , ZAN b , ... pre-stored in the manner already described.
  • the comparator unit 17 "not only determines whether a currently applied state request signal ZAB x corresponds to one of the signals pre-stored in the memory unit 19", but also determines with which of the memory units 19 "pre-stored
  • Discriminator unit 15 "detects that the currently present state request signal ZAB x is equal to the prestored state request signal ZAB b from the memory unit 9 ", the status indication signal ZAN b is output.
  • a container 3 can be connected to various pressure devices which, device-specifically, generate state request signals ZAB a , ZAB b and also device-specific, state indication signals ZAN a , ZAN b ... expected from the container, it is clear that different state request signals of the type ZAN a , ZAN b - can also be generated by a single pressure device for querying different states.
  • the container 3 is suitable with different pressure devices and / or to be used with pressure devices that each query different states and expect corresponding state indication signals.
  • FIG. 6 merely shows a container 3 '"designed according to the invention and dispenses with the pictorial representation of a respectively assigned printing device. It should be considered the communication with a particular printing device. This provides one or more, as shown, several state request signals, and there is currently an unidentified state request signal ZAB x . As explained with reference to FIG. 5, by means of the signal
  • Discriminator unit 15 '' on the one hand recognized whether the currently present state request signal ZAB x one of the prestored state request signals ZAB a , ZAB b , ... corresponds to Figure 5 and, if so, on the one hand the signal output from the memory unit 9 "is triggered via the output control input L and, in addition, after detection by which prestored state polling signal ZAB x is controlled by the memory unit 9", which associated status indication signals ZAN a , ZANb ... are read out.
  • the container 3 ''' has now in the embodiment according to Figure 6, one or more sensors 20a, 20b, etc. Instead of at least a portion of the mentioned sensors may also be provided a sensor which is capable of depending on the detected state, two or generate more status indication signals.
  • a status indication signal A 3 , B s, etc. is now generated with the provided sensor or sensors 20a, 20b, whereby the status indication signal A 3 indicates that condition that is queried on the printer side with the status request signal ZAB a , for example "print medium”.
  • Memory unit 9 '' pre-stored form expected.
  • a status indication signal which, on the one hand, corresponds to the actual state, ie, for example, fill level 70% and also in the form expected by the pressure device, in the embodiment according to FIG. 6, the output from the memory unit 9 "becomes conditional linked, depending on the sensor output signal A 3 , B 3, etc., for example, if a sensor 20 a indicates the level 70%, with the presence of the Signal A 3 .
  • the status inquiry signal ZAB 3 the expected from the printing device state indication signal ZAN 3.
  • the status indication signal ZAN which is pre-stored in the storage unit 9 "is only returned to the pressure apparatus if the requested state is also measured on the container 3" by means of sensor detection.
  • the embodiment according to FIG. 6 thus makes it possible to connect containers to which states, for example, pressure medium levels are actually measured, to be connected to pressure devices which interrogate these states, but expect a pressure device-specific format of the signal indicating this state from the container.
  • the embodiment according to FIG. 6 can be combined with that of FIG. 4 or 5.
  • the memory units 19 "and 19 can be combined with the memory units 9" and 9, respectively, by providing a single memory, which is like a table wherein one or more status indication signals are associated with the respective status request signals, or vice versa, wherein one or more status indication signals are associated with one or more status request signals.
  • a state request signal generated on the pressure device side for example, time sequentially, is to be retransmitted to a plurality of state indication signals or that a considered state indication signal is to be output, optionally in combination with others
  • a pressure medium container 33 is attached.
  • the container 33 is moved by a pressure device side drive M, for example linearly as shown in FIG. 1 with high acceleration back and forth.
  • a mechanical / electrical converter unit 35 is provided which, for example, comprises a coil arrangement 37, in which a magnet core 39 is arranged, freely movable along the coil axis. Due to the high accelerations of the container 33, the magnetic core 39 is moved along the coil axis in the coil assembly 37 back and forth. As a result, electrical energy is induced at the taps of the coil arrangement.
  • the tap signal from the coil assembly 37 is rectified at a rectifier unit 41 and stored in a memory unit 43 and filtered.
  • the output signal of the storage unit is used for the electrical supply of the electronic aggregates provided on the container 33, in particular the electronic parts used in connection with FIGS. 1 to 6 according to the invention.
  • the unit 43 may be followed by a voltage regulator.
  • this basically means an arrangement in which printing medium, such as ink, is stored and which is refillable or, as a consumable part, replaceable.
  • printing medium such as ink
  • One or more interchangeable sub-containers may be provided on such a container for different color ink.
  • each sub-container may be designed as a container according to the invention or they may be designed together as containers according to the invention, in which case each sub-container is addressed, for example, by different printer-side condition request signals which are answered centrally from a memory unit by means of different status indication signals.

Landscapes

  • Ink Jet (AREA)

Abstract

L'invention concerne un réservoir (3) contenant un fluide sous pression. Afin de pouvoir l'utiliser de manière souple avec un appareil à pression (1) qui interroge un état du réservoir (3), un signal indicateur de l'état (ZAN) attendu par l'appareil à pression (1) est stocké préalablement dans une mémoire (9) sur le réservoir (3) et il est fourni à l'appareil à pression (1) en réponse à un signal d'interrogation (ZAB) de ce dernier.
EP08774951A 2008-07-09 2008-07-09 Réservoir contenant un fluide sous pression pour un appareil à pression, appareil à pression avec un tel réservoir et procédé d'établissement d'une communication Withdrawn EP2296901A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2008/058947 WO2010003458A1 (fr) 2008-07-09 2008-07-09 Réservoir contenant un fluide sous pression pour un appareil à pression, appareil à pression avec un tel réservoir et procédé d'établissement d'une communication

Publications (1)

Publication Number Publication Date
EP2296901A1 true EP2296901A1 (fr) 2011-03-23

Family

ID=40351617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08774951A Withdrawn EP2296901A1 (fr) 2008-07-09 2008-07-09 Réservoir contenant un fluide sous pression pour un appareil à pression, appareil à pression avec un tel réservoir et procédé d'établissement d'une communication

Country Status (2)

Country Link
EP (1) EP2296901A1 (fr)
WO (1) WO2010003458A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002040275A1 (fr) * 2000-11-20 2002-05-23 Seiko Epson Corporation Identification de conteneur pour materiel d'impression d'enregistrement
US6648434B2 (en) * 2001-03-08 2003-11-18 Hewlett-Packard Development Company, L.P. Digitally compensated pressure ink level sense system and method
JP4673143B2 (ja) * 2005-06-23 2011-04-20 キヤノン株式会社 液体収納容器用のモジュール、液体収納容器、およびプリンタ
JP4942161B2 (ja) * 2006-06-30 2012-05-30 キヤノン株式会社 液体収納容器およびインクジェット記録装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010003458A1 *

Also Published As

Publication number Publication date
WO2010003458A1 (fr) 2010-01-14

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