EP0297025A1 - Dispositif d'enregistrement à partir d'un écran sur un support d'informations - Google Patents

Dispositif d'enregistrement à partir d'un écran sur un support d'informations Download PDF

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Publication number
EP0297025A1
EP0297025A1 EP88730131A EP88730131A EP0297025A1 EP 0297025 A1 EP0297025 A1 EP 0297025A1 EP 88730131 A EP88730131 A EP 88730131A EP 88730131 A EP88730131 A EP 88730131A EP 0297025 A1 EP0297025 A1 EP 0297025A1
Authority
EP
European Patent Office
Prior art keywords
sheet
housing
ribbon cassette
recording
ink ribbon
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.)
Granted
Application number
EP88730131A
Other languages
German (de)
English (en)
Other versions
EP0297025B1 (fr
Inventor
Hans-Joachim Kardinal
Herbert Lehmann
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to AT88730131T priority Critical patent/ATE63860T1/de
Publication of EP0297025A1 publication Critical patent/EP0297025A1/fr
Application granted granted Critical
Publication of EP0297025B1 publication Critical patent/EP0297025B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41J17/00—Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
    • B41J17/32—Detachable carriers or holders for impression-transfer material mechanism
    • 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
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides

Definitions

  • the invention relates to a device for recording image information on a recording sheet having a line-shaped recording head arranged in a housing of the device, and with an ink ribbon cassette which can be connected to the housing and which contains a pressure body and an ink ribbon which, in sections, lies against the pressure body with the recording sheet being interposed can be guided past the recording head transversely to the line direction.
  • Such a device is designed as a thermal transfer printer operating in parallel, in which a line-shaped recording head is arranged within a housing.
  • the housing has a lateral opening through which an ink ribbon cassette can be inserted into the housing in the direction along the recording head, said ribbon cassette containing a pressure body in the form of a printing roller and an ink ribbon on two winding spools that are axially parallel to the printing roller.
  • the ink ribbon cassette has on its side facing away from the recording head a window-shaped recess, through which a recording sheet to be printed can be inserted individually and by hand into the ink ribbon cassette, so that the recording sheet adjacent to the printing roller can be guided past the recording head with the ink ribbon therebetween and can be conveyed out of the ribbon cassette again through the same recess.
  • the known device only enables manual feeding of individual recording sheets to be printed.
  • thermo working in parallel Transfer printer trained device in which an automatic feeding or removal of recording sheets to be printed is provided within the device.
  • Both a line-shaped recording head and an axially parallel printing roller are arranged within a housing of the known device.
  • an ink ribbon cassette that can be inserted into the housing, an ink ribbon with a width approximately corresponding to the length of the recording head is stored on two winding spools that are axially parallel to the printing roller.
  • the ribbon section located between the two winding spools runs partly outside a concave outside of the ribbon cassette, so that this outside and the ribbon section in question form a cavity accessible from the side.
  • the ribbon cassette can be inserted from the side - i.e.
  • the line-shaped recording head is therefore only held firmly at one end in the housing of the known device; Only after the ribbon cassette has been changed is a holder also made possible for the other end of the recording head by closing the opening in the housing with a cover which has a support for the other end of the recording head.
  • the invention has for its object to provide a device for recording image information with a very easy to replace ribbon cartridge and an automatic transport of the recording sheets to be printed within the device.
  • this object is achieved in that a sheet feed device and a sheet storage device are arranged in the housing and that the ink ribbon cassette extends between the pressure body and the sheet feed device on the one hand and the sheet storage device on the other hand for transferring the recording sheet coming from the sheet feed device to the pressure body and from there to the sheet storage device.
  • the main advantage of the device according to the invention is that, together with an ink cartridge which can be plugged into and detached from the housing without further action, the transportable recording sheets to be printed are transported automatically within the device by moving each recording sheet to be printed out of the housing into the the ribbon cassette held there is guided in, is passed there for printing together with the ribbon past the recording head and is then returned out of the ribbon cassette back into the housing.
  • the housing has a receiving opening into which the ink ribbon cassette can be inserted, so that openings for transferring the recording sheet between the ink ribbon cassette and the housing and for mutual access of the recording head and the pressure body to one another in principle in all of them Outside of the ribbon cassette can be arranged, which come to rest when the ribbon cassette is held on the housing within its receiving opening.
  • the housing and the ink ribbon cassette preferably each adjoin one another with a single side. This achieves a particularly simple construction of the device according to the invention, the relevant adjacent sides of the ink ribbon cassette and the housing preferably being perpendicular to the direction in which the Ribbon cassette is plugged into or detached from the housing, are aligned.
  • the design outlay for the device according to the invention is advantageously limited to a minimum by the fact that the ribbon cassette and the housing are parts of an overall housing which can be plugged together and that, with the exception of the adjacent sides, all other sides of the housing and the ribbon cassette are the outer sides of the entire housing. While, in the known devices mentioned at the outset, the respective housings are already designed as a complete housing and contain specially designed receiving spaces for accommodating the associated ink ribbon cassette, in the device according to the invention the ink ribbon cassette and the housing each form independent modules which are not only functional but when they are put together also structurally add to the overall device.
  • the ribbon cassette and the housing are preferably matched to one another with respect to their outer dimensions such that in the area of their connection the sides of the ribbon cassette and the housing forming the outer sides of the entire housing are at least approximately flush with one another.
  • the device With regard to the guidance of the recording sheet to be printed within the ribbon cassette, according to a preferred embodiment of the device according to the invention it is provided that in the ribbon cassette an opening for transferring the recording sheet into the ribbon cassette, the pressure body and an opening for transferring the recording sheet out of the ribbon cassette are arranged in superimposed levels. Due to this design, a compact structure of the device according to the invention is achieved because the recording sheet is guided within the ink ribbon cassette from one feed level to another level, where it is printed, and from there is transferred to a storage level. Accordingly, the inner is within the scope of the invention Structure of the housing divided in a particularly compact manner in three superimposed levels, the sheet feed device, the recording head with an electrical control device and the sheet storage device being arranged in superimposed levels in the housing.
  • a very compact housing can be realized for the device according to the invention, the outline of which is essentially determined only by the format of the recording sheets used.
  • the sheet feed device, the recording head with the control device and the sheet storage device lie one above the other in the same order as in the ribbon cassette the opening for transferring the recording sheet into the ribbon cassette, the pressure body and the opening for transferring the recording sheet from the ribbon cassette are arranged.
  • the recording head with the control device can be located below or between the levels of the sheet feed and sheet storage device, the sheet storage device preferably being in the uppermost level to enable easy removal of the printed recording sheet or for attaching, for example, a sheet sorting device.
  • the sheet feed device preferably contains, in a manner known per se, a sheet supply cassette with a single sheet feed device (feeder). If the sheet feed device is arranged in the lowest level, it can easily be supplemented at the bottom, for example, by additional sheet supply cassettes.
  • the recording head is advantageously held in the edge region of a printed circuit board carrying the control device.
  • the circuit board is space-saving in the intermediate level between the sheet feed device and the sheet storage device or below both devices and has a format which at least approximately corresponds to the format of the recording sheets. Furthermore the mounting of the recording head in the edge area of the circuit board is particularly easy to implement.
  • a further development of the device according to the invention provides for a motor drive unit with a drive-side coupling part to be arranged in the region of the connection to the ink ribbon cassette and for the ink ribbon cassette to have a coupling part on the output side which is connected with conveying means for conveying the recording sheet and the ribbon within the ribbon cassette.
  • the two coupling parts engage in one another, so that, starting from the motor drive in the housing, the recording sheet can be conveyed within the ribbon cassette.
  • axially parallel rollers, between which the recording sheet is conveyed come into consideration as conveying means within the ribbon cassette.
  • the pressure body itself is preferably designed as a conveying means for the recording sheet and the ink ribbon in the form of a pressure roller. Because the ink ribbon is guided past the recording head together with the recording sheet, additional conveying means for the ink ribbon are therefore not required.
  • the recording sheet inserted into the ink ribbon cassette for printing is moved inside the ink ribbon cassette by means of the sheet guide device to the pressure body and thereby guided past the recording head, in order to then be guided out of the ribbon cassette again.
  • the ribbon cassette is preferably constructed in such a way that the sheet guide device has two guide elements which extend between the opening for transferring the recording sheet into the ribbon cassette and a sheet feed point on the pressure body or between the sheet feed point and the opening for transferring the recording sheet from the Extend the ribbon cassette out in an arc shape, each forming a receiving space for the ribbon.
  • the recording sheet to be printed coming from the sheet feed device is first guided by the guide elements past the receiving space for the ribbon supply past the area of the pressure body - based on the recording head - so that the recording sheet for image recording is in direct contact with the pressing body between the latter and the ink ribbon is guided past the recording head; from there, the recording sheet is guided past the receiving space for the used ribbon out of the ribbon cassette onto the sheet depositing device of the housing.
  • individual recording sheets to be printed can be inserted from the sheet depositing device through the opposite opening of the ink ribbon cassette into it and up to the sheet placement point of the pressure body, where the recording sheet together with the ink ribbon is guided past the recording head and is then returned to the sheet depositing device in the same way .
  • a controllable switch is arranged in the course of the sheet guide device between the pressure body and the opening for transferring the recording sheet out of the ink ribbon cassette; behind the switch is a sheet branching off from the sheet guide device and looping back to the sheet contact point of the pressure body guide channel arranged.
  • the beginning of the sheet is guided to the sheet contact point of the pressing body in order to be able to start printing the next partial image; the time periods between the printing of two successive partial images can thus be reduced to negligibly small values, so that a high printing speed is achieved.
  • the length of the sheet feed channel is dimensioned with respect to the length of the recording sheet such that at any time a part of the recording sheet in the area between the sheet feeder and the sheet feeder lies against the sheet recording head, so that the recording sheet in the case of the formation of the pressure body as a platen roller constantly from the Printing roller is promoted without additional conveyors are necessary for this.
  • Control of the switch from the central control device in the housing is advantageously made possible in that the controllable switch can be connected to the control device in the housing via a coupling in the region of the connection of the ink ribbon cassette to the housing.
  • the switch itself can be an electric motor drive have, which is electrically connected to the control device in the housing via the coupling; however, the electromotive drive for the switch is preferably arranged in the housing as part of the control device and mechanically coupled to the switch via the coupling.
  • the switch is connected on the control side to a stepping mechanism which can be switched in accordance with the number of revolutions of the recording sheet in the sheet guide guide channel.
  • the stepping mechanism has three or four switch positions.
  • the stepping mechanism can have, for example, an eccentric cam that rotates through a certain angle with each switching step, the switch being deflected by the cam.
  • the indexing mechanism consists of a toothed roller with a number of teeth corresponding to the number of the specified indexing positions, of which one tooth in each indexing position extends so far into the conveying path for the recording sheet that the indexing mechanism of the The beginning of the sheet of the incoming recording sheet is advanced by one switching position.
  • the recording sheet to be conveyed by the recording head in the direction of the switch bumps the beginning of the sheet against the respective tooth of the toothed roller and rotates it further by a predetermined angular amount into the next switching position for controlling the switch; In this way, the turnout is actuated particularly easily and reliably in terms of control technology.
  • Figure 1 shows a thermal transfer printer as a preferred embodiment of the inventive device for recording image information on a recording sheet
  • FIG. 2 gives an overview of the essential parts of the thermal transfer printer.
  • the image is recorded in such a way that the individual recording sheets consisting of simple paper are brought into contact with a heat-sensitive ink ribbon and that dyes contained in it are also transferred point by dot to the paper recording sheet by heating the ink ribbon.
  • thermal transfer printing here is only an example of many other printing processes that can be used in the device according to the invention.
  • FIG. 1 shows a housing 1 and an ink ribbon cassette 2, which can be plugged into it and, together with the housing 1, forms the overall housing 3 of the thermal transfer printer.
  • the ribbon cassette 2 and the housing 1 are joined together with one side each to form a connection interface 4, while all other sides of the ribbon cassette 2 and the housing 1 form the outer sides of the entire housing 3.
  • FIG. 1 shows, the sides of the ink ribbon cassette 2 and the housing 1 that form the outer sides of the entire housing 3 are aligned with one another almost without a paragraph, so that a uniform overall impression is created.
  • a rotary lever 5 for manually locking or unlocking the ink ribbon cassette 2 connected to the housing 1 is embedded in an outside of the housing 1.
  • FIG. 2 shows the ribbon cassette 2 detached from the housing 1 and essential parts of the housing 1 separated from one another.
  • the housing 1 has an upper housing part 6 in the manner of a hood, which is placed on a lower housing part 7.
  • a sheet feed device 8 is formed in a lowermost level
  • a sheet storage device 11 in the uppermost level.
  • the housing 1 is delimited by a housing wall 12 which has three openings 13, 14 and 15, one above the other, to the ink ribbon cassette 2, corresponding to the position of the three previously described planes.
  • the sheet feed device 8 is installed in the lower housing part 7 and consists of a sheet supply cassette 16 which can be pulled out of the lower housing part 7 for receiving a stack 17 of recording sheets 18 to be printed and a single-sheet conveying device (not shown here) for separating the recording sheets 18 from the stack 17 and to promote the individualized recording sheets 18 through the bottom opening 13 in the housing wall 12 into the ribbon cassette 2. Due to the arrangement of the sheet feed device 8 in the lower housing part 7, further sheet feed devices (feeders) can be easily attached downwards.
  • the recording sheet 18, together with an ink ribbon mounted on two axially parallel winding spools 19 and 20, is guided past a pressure body 21 extending parallel to the winding spools 19 and 20 by means of a sheet guide device which will be explained in more detail later.
  • the pressure body 21 can be designed as an immovable pressure part, but in the exemplary embodiment shown preferably consists of a pressure roller.
  • the pressure body 21 and the recording head 10 are arranged with respect to each other in the ink ribbon cassette 2 and the housing 1, respectively, that when the ink ribbon cassette 2 is attached to the housing 1, the line-shaped recording head 10 through the opening 14 in the housing wall 12 on the pressure body 21 underneath Liner of the ink ribbon and the recording sheet 18 to be printed is present.
  • the pressure body 21 protrudes in the direction of the recording head 10 from the ink ribbon cassette 2, so that the recording head 10 can be arranged correspondingly behind in the housing 1 and is thus protected when changing the ink ribbon cassette 2.
  • the recording head 10 has a plurality of juxtaposed and individually controllable heating elements 22, when controlled, a selective color transfer from the ink ribbon to the recording sheet 18 takes place.
  • the heating elements 22 of the recording head 10 are individually controlled by the control device 9, which is constructed in terms of circuitry on a circuit board 23. In the exemplary embodiment shown in FIG.
  • the recording head 10 is connected to the circuit board 23 via flexible connecting lines 24 in the edge region thereof; it is however, it is also possible to attach the recording head 10 directly to the edge of the printed circuit board 23, so that an additional holder for the recording head is not necessary.
  • slots 25 are provided for individual writing modules 26 which, as shown in FIGS. 1 and 2, can be plugged onto the printed circuit board 23 through a lateral opening 27 in the upper housing part 6.
  • the font modules 26 each contain a preprogrammed character set for a specific font, with the aid of which the recording head 10 is activated for recording data in the selected font.
  • connection locations 28 for control elements 29 and display elements 30 are provided which are arranged in a freely accessible manner in a control panel 31 (FIG. 1) in the rear region of the housing 1.
  • the control device 9 on the printed circuit board 23 further comprises the control for a motor drive unit 32 arranged in the interior of the housing 1 for the single sheet conveying device (not shown) of the sheet feeding device 8 and for conveying means within the ink ribbon cassette 2 for conveying the recording sheet 18.
  • the conveying means inside the ribbon cassette 2 consists of the pressure element 21 designed as a pressure roller, which is connected to the motor drive unit 32 in the housing 1 when the ink ribbon cassette 2 is connected to the housing 1 via coupling parts in the area of the connection interface 4.
  • the coupling parts only one drive-side coupling part 33, designed as a gear, can be seen on the housing 1 in FIG. 2, while a corresponding output-side coupling part on the ink ribbon cassette 2 is not visible.
  • the recording sheet 18 lying within the ink ribbon cassette 2 on the pressure body 21 and printed by the recording head 10 in the housing 1 is, after being printed by the driven printing roller 21, out of the ink ribbon cassette 2 through the opening 15 in the housing wall 12 onto the sheet depositing device 11 Housing 1 promoted.
  • the sheet storage device 11 consists of a flat sheet receiving trough 34 formed on the upper side of the upper housing part 6, onto which the recording sheet 18 conveyed into the interior of the housing 1 passes through a sheet ejection opening 35.
  • a recessed grip 36 for gripping the recording sheet 18 stored in the sheet-receiving recess 34 is formed; in this area, two stops 37 prevent the recording sheet 18 from falling out of the sheet receiving trough 34.
  • FIG 3 shows the arrangement of the pressure body 21 designed as a pressure roller and the winding spools 19 and 20 for the ribbon designated 38 in a cassette housing 39 of the ribbon cassette 2.
  • the two winding spools 19 and 20 are rotatably held on two superimposed axes 40 and 41, which with their respective adjacent ends in two bearing bodies 42 and 43 are mounted parallel to each other.
  • the upper winding spool 20 serves as a winding spool and therefore has a drive gear 44 held in a rotationally secure manner on its axis 41.
  • the winding spool 19 and 20 together with the bearing bodies 42 and 43 form an interchangeable unit which can be easily inserted into the ribbon cassette 2, so that a ribbon change does not necessarily require a ribbon cassette change.
  • the cassette housing 39 of the ribbon cassette 2 has grooves 50 and 51 on its inner walls delimited by guide ribs 49 for receiving the holding parts 46 and 47 with the winding spool 19 and 20 and the pressure roller 21. Furthermore, the cassette housing 39 contains a sheet guide device, consisting of two guide elements 52 and 53, each of which extends in an arc around the two winding coils 19 and 20.
  • FIG. 4 shows a schematic illustration of the embodiment of the device according to the invention shown in FIGS. 1 and 2 in a section perpendicular to the line-shaped recording head 10.
  • the housing 1 contains in a lowermost level the sheet feed device 8, consisting of the sheet supply cassette 16, which contains a stack 17 with recording sheets 18, and a single sheet conveying device 54; this consists of a sheet conveyor roller which is driven by the motor drive unit 32 shown in FIG. 2 under the control influence of the control device 9.
  • the circuit board 23 is arranged in a plane above the sheet feed device in the interior of the housing 1 and carries the control device 9 for the entire device and the line-shaped recording head 10 on its edge area facing the ink ribbon cassette 2.
  • the sheet storage device 11 is designed in the form of the sheet receiving trough 34.
  • the ribbon cassette 2 contains the two superposed winding spools 19 and 20, on which the ribbon 38 is stored, and the pressure element 21 in the form of the pressure roller arranged between the two winding spools 19 and 20. Furthermore, the ribbon cassette 2 contains the sheet guide device, consisting of the two guide elements 52 and 53, each of which extends in an arc around the two winding spools 19 and 20. Both the housing 1 and the ribbon cassette 2 are closed to the outside with the exception of a single side 55 and 56; the two open sides 55 and 56 form the connection interface 4, at which the ink ribbon cassette 2 is attached to the housing 1, a remaining gap between the housing 1 and the ink ribbon cassette 2 being shown in FIG. 4 merely for reasons of clarity.
  • the two mutually facing open sides 55 and 56 of the housing 1 and of the ribbon cassette 2 each have from bottom to top: an opening 57 for the transfer of the recording sheet 18 by the single sheet conveyor 54 out of the housing 1 into the ink ribbon cassette 2, an opening 58 for mutual access of the pressure body 21 and the recording head 10 to each other and an opening 59 for the transfer of the recording sheet 18 out of the ink ribbon cassette 2 onto the sheet depositing device 11 of the housing 1.
  • the guide element denoted by 52 runs between the opening 57 and a sheet contact point 60 of the printing roller 21 and the guide element denoted by 53 runs from the sheet feeder set 60 of the pressure roller 21 to the opening 59.
  • the control device 9 rotates the sheet conveying roller of the single sheet conveying device 54 moves clockwise, whereby the uppermost recording sheet 18 is guided away from the stack 17 out of the housing 1 into the ink ribbon cassette 2 between the guide element 52 and the winding spool 19.
  • the recording sheet 18 is guided with its sheet beginning along the guide element 52 up to the sheet placement point 60 of the printing roller 21, where the recording sheet 18 with its sheet beginning gets between the printing roller 21 and the ribbon section extending between the two winding spools 19 and 20 over the printing roller 21 .
  • the recording sheet 18 together with the ink ribbon 38 on the printing roller 21 is applied to the Recording head 10 passed and printed by selective control of the individual heating elements 22 of the recording head 10.
  • the ink ribbon 38 is wound up by the take-up reel 20, while the recording sheet 18 slides with its beginning of the sheet along the guide element 53 and is guided from there through the opening 59 out of the ink ribbon cassette 2 onto the sheet storage device 11 of the housing 1.
  • a single recording sheet 61 If only a single recording sheet 61 is to be printed, it can be inserted in the area of the sheet depositing device 11 through the opening 59 into the ink ribbon cassette 2, the recording sheet being led with its beginning of the sheet through the guide element 53 to the sheet placement point 60 of the printing roller 21; after it has been printed, the individual recording sheet 61 is again guided onto the sheet depositing device 11 along the guide element 53. If a printed recording sheet 18, which is conveyed onto the sheet depositing device 11, is also to be printed on the rear side, it can be returned to the ink ribbon cassette 2 through the opening 59 as described for the single sheet 61.
  • the winding spools 19 and 20 are exchanged for new winding spools or the ribbon cassette 2 is simply pulled off the housing 1 and a new ribbon cassette is plugged into the housing 1.
  • the housing 1 and the ribbon cassette 4 complement each other both functionally and structurally to form the device according to the invention, the outer sides of the housing 1 and the ribbon cassette 2 completing the outer surfaces of the entire housing 3 of the device according to the invention.
  • FIG. 5 schematically shows a further exemplary embodiment of the device according to the invention in a section perpendicular to the line course of the recording head.
  • a housing 62 which, in three superimposed levels from bottom to top, a line-shaped recording head 63 with an associated control device 64 on a printed circuit board 65, a sheet feed device 66, consisting of a sheet supply cassette 69 containing a stack 67 of recording sheets 68 and a single sheet conveying device designed as a roll 70 and at the top contains a sheet storage device 71, an ink ribbon cassette 72 is held in a plug-in manner.
  • the housing 62 and the ribbon cassette 72 are held together with a single open side 73 and 74, respectively, to form a connection interface 75, while all the remaining, closed sides of the housing 62 and the ribbon cassette 72 form the outside of a module-like arrangement of the housing 62 and the ribbon cassette Form 72 composite housing of the device.
  • the housing 62 and the ribbon cassette 72 are not shown completely connected to one another.
  • the ink ribbon cassette 72 contains an ink ribbon 76 on two winding spools 77 and 78, which are arranged one behind the other and axially parallel to one another with respect to the direction in which the ink ribbon cassette 72 is attached to the housing 62. This results in a very flat structure of the ink ribbon cassette 72 and thus the entire device.
  • the ribbon also contains cassette 72 a pressure body 79 designed as a pressure roller in an arrangement such that when housing 62 and ink ribbon cassette 72 are joined together, recording head 63 rests on pressure body 79;
  • both the housing 62 and the ink ribbon cassette 72 each have an opening (not designated here) in their sides 73 and 74 forming the connection interface 75, which enables the recording head 63 and the pressure element 79 to access one another.
  • the sides 73 and 74 of the housing 62 and the ribbon cassette 72 further contain an opening 80 opposite the sheet feed device 66 for transferring the recording sheet 68 from the housing 62 into the ribbon cassette 72 and an opening 81 opposite the sheet depositing device 71 for transferring the recording sheet 68 the ribbon cassette 72 into the housing 62.
  • a sheet guide device Arranged within the ink ribbon cassette 72 is a sheet guide device, consisting of two guide elements 82 and 83, of which the guide element denoted by 82 extends from the opening 80 in an arc around the winding spool 77 to a sheet contact point 84 on the pressure element 79, and that at 83 designated guide element from a sheet deposit 85 on the pressure body 79 in an outer arc also around the winding spool 77 to the opening 81.
  • the exemplary embodiment of the device according to the invention shown in FIG. 5 differs from the exemplary embodiment shown in FIG.
  • the beginning of the sheet of the recording sheet 68 gets between the pressure body 79 and the ink ribbon 76 lying against it, so that the recording sheet 68 and the ink ribbon 76 are guided past the recording head 63 together.
  • the ink ribbon 76 is separated from the recording sheet 68 in the area of the sheet storage area 85, the ink ribbon 76 being wound up by the winding spool 78 and the recording sheet 68 being guided along the guide element 83 out of the ink ribbon cassette 67 onto the sheet storage device of the housing .
  • FIG. 6 shows a preferred development of the ink ribbon cassette 2 shown in FIG. 4, which also enables multiple printing of the recording sheet 18.
  • the ribbon cassette shown in FIG. 6, like the ribbon cassette according to FIG. 4, contains two superposed winding spools 86 and 87 for a ribbon 88. Between the two winding spools 86 and 87 there is an axially parallel pressure body 89 in the form of a pressure roller, around which the respective ribbon section located between the two winding spools 86 and 87 is guided around.
  • An opening 91 for transferring a recording sheet 92 into the ribbon cassette and an additional opening 93 for transferring the recording sheet 92 out of the ribbon cassette are formed in a side 90 of the ribbon cassette which forms the interface to the housing (not shown here).
  • a guide element 95 extends around the winding spool 86 between the opening 91 and a sheet contact point 94 on the pressure body 89; a further arcuate guide element 96 extends around the winding spool 87 between the opening 93 and the sheet contact point 94; in the course of the guide element 96 is a An electrical contact of a coupling 97 with the control device 9 in the housing 1 (FIG. 2) is connected to a controllable switch 98, behind which a sheet guide channel 99 branches off from the guide element 96, which leads in a loop back to the sheet contact point 94 of the pressure element 89.
  • the recording sheet 92 printed by a recording head 100 is either guided in the direction of the opening 93 for transferring the recording sheet 92 out of the ink ribbon cassette or into the loop-shaped sheet guide channel 99 and fed to the pressure body 89 for re-printing.
  • the controllable switch 98 is controlled by the control device 9 of the device into the position shown in solid lines in FIG. 6.
  • the recording sheet 92 fed via the opening 91 to the guide element 95 along the printing roller 89 is guided past the recording head 100 by the rotation of the printing roller 89 and is thereby printed with a first partial image.
  • the recording sheet 92 coming from the pressure body 89 is guided with its sheet beginning into the loop-shaped sheet guide channel 99 and is brought up again to the sheet contact point 94 of the pressure body 89.
  • the length of the loop-shaped sheet guide channel 99 is dimensioned such that the beginning of the sheet of the recording sheet 92 reaches the sheet contact point 94 before the sheet end of the recording sheet 92 leaves the pressure body 89 at its sheet depositing point 96.
  • the recording sheet 92 is guided past the recording head 100 for the second time and the second partial image is thereby printed. This process is repeated until the last partial image begins to be printed.
  • the controllable switch 98 is controlled in the switch position shown in broken lines, so that the recording sheet 92 is conveyed out of the ink ribbon cassette through the opening 93.
  • the ribbon cassette shown has a sheet insertion slot 101 in its front outer width, through which recording sheets and special formats such as envelopes to be individually printed can be fed directly to the sheet placement point 94 of the pressure body 89.
  • the printed recording sheets can also be removed individually directly from the ink ribbon cassette by opening a sheet ejection slot 103 by actuating a flap 102 in the area of the transition from the guide element 96 in the sheet guide channel 99.
  • FIG. 7 shows a schematic representation of a modified embodiment of the ink ribbon cassette shown in FIG. 6 in the region of the controllable switch.
  • a step-by-step mechanism 105 is arranged in the course of the guide element 97 immediately in front of a switch 104 which, via a cam 106, switches the switch 104 either into a switching position which redirects the incoming recording sheet 92 into the sheet guide channel 99 or into the switching position 92 in the direction of the Opening 93 forwarding switching position controls.
  • the indexing unit 105 is designed as a toothed roller, the teeth of which protrude into the area of the blade guide immediately in front of the switch 104 in each switching position of the indexing unit 105.
  • the recording sheet 92 coming from the sheet depositing point 96 of the pressure body 89 therefore bumps with one of its teeth against one of the teeth of the toothed roller 105 and rotates it further by one switching position.
  • the cam 106 held on the toothed roller 105 is designed with regard to its eccentricity in such a way that it controls the switch 104 in a switch position diverting the recording sheet 92 into the loop-shaped sheet guide channel 99 with three switching positions of the stepping mechanism 105; in the fourth switching position of the indexing mechanism 105, the switch 104 is controlled in the switch position shown in broken lines, in which the recording sheet 92 in the direction of the opening 93 for transferring the recording sheet 92 out of the ink ribbon cassette 2 is leading.
  • the step mechanism 105 is particularly suitable if the four colors yellow, magenta, cyan and black are to be printed in succession for the color printing of the recording sheet 92.
  • the ribbon contained in the ribbon cassette is continuously provided with color sections in the colors mentioned.
  • ribbon cassettes can be provided for the possibilities of guiding the recording sheet to be printed within the ribbon cassette, such as the switch for multiple or multicolored printing of the recording sheet or the additional sheet insertion and sheet ejection slots for printing individual recording sheets, provided for in the exemplary embodiments described above , which can be plugged into the housing of the device depending on the desired function.
  • This also applies to ink ribbon cassettes that are designed for special formats of the recording sheets.
  • the ribbon stored in the ribbon cassette can be replaced in a simple manner after the ribbon cassette has been removed from the housing of the device.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Electrically Operated Instructional Devices (AREA)
EP19880730131 1987-06-24 1988-06-06 Dispositif d'enregistrement à partir d'un écran sur un support d'informations Expired - Lifetime EP0297025B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88730131T ATE63860T1 (de) 1987-06-24 1988-06-06 Vorrichtung zum aufzeichnen von bildschirminformationen auf einem aufzeichnungsblatt.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873721231 DE3721231A1 (de) 1987-06-24 1987-06-24 Vorrichtung zum aufzeichnen von bildinformationen auf einem aufzeichnungsblatt
DE3721231 1987-06-24

Publications (2)

Publication Number Publication Date
EP0297025A1 true EP0297025A1 (fr) 1988-12-28
EP0297025B1 EP0297025B1 (fr) 1991-05-29

Family

ID=6330393

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880730131 Expired - Lifetime EP0297025B1 (fr) 1987-06-24 1988-06-06 Dispositif d'enregistrement à partir d'un écran sur un support d'informations

Country Status (5)

Country Link
US (1) US4869606A (fr)
EP (1) EP0297025B1 (fr)
JP (1) JPS6420184A (fr)
AT (1) ATE63860T1 (fr)
DE (2) DE3721231A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449237A1 (fr) * 1990-03-30 1991-10-02 Tokyo Electric Co., Ltd. Imprimante pour transfert

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829445A1 (de) * 1988-08-26 1990-03-01 Siemens Ag Farbbandkassette
US5277502A (en) * 1990-02-24 1994-01-11 Goldstar Co., Ltd. Device for loading ink film and printing papers in color video printer
DE4009293A1 (de) * 1990-03-20 1991-09-26 Siemens Ag Verfahren zum fuehren eines blattes in einer farbbandkassette und farbbandkassette zur durchfuehrung des verfahrens
DE4117798A1 (de) * 1991-05-30 1992-12-03 Mannesmann Ag Farbbandkassette
US5447380A (en) * 1992-06-01 1995-09-05 Nai Technologies, Inc. Thermal printer
GB2310402B (en) * 1993-09-22 1998-04-22 Asahi Optical Co Ltd Thermal line printer
GB2282568B (en) * 1993-09-22 1998-04-22 Asahi Optical Co Ltd Thermal line printer
USD386519S (en) * 1996-03-29 1997-11-18 Apple Computer, Inc. Computer printer
FR2778141B1 (fr) * 1998-04-30 2000-06-09 Sagem Dispositif d'impression thermique et cartouches de consommable pour ledit dispositif
JP3776243B2 (ja) * 1998-10-06 2006-05-17 株式会社沖データ インクリボン・印刷用紙カセット及びこれを用いたプリンタ
JP4871746B2 (ja) * 2006-02-17 2012-02-08 キヤノン株式会社 消耗品カセット及び記録装置
JP4669406B2 (ja) * 2006-02-20 2011-04-13 キヤノン株式会社 カセット

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539526A1 (de) * 1984-11-08 1986-05-07 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Bilderzeugungsgeraet
EP0208203A1 (fr) * 1985-06-26 1987-01-14 Kabushiki Kaisha Sato Ensemble du type impression thermique d'étiquettes
EP0225582A2 (fr) * 1985-12-05 1987-06-16 Hitachi, Ltd. Imprimante thermique par transfert

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JPS5625476A (en) * 1979-08-09 1981-03-11 Canon Inc Electronic instrument with printer
JPS6024973A (ja) * 1983-07-21 1985-02-07 Canon Inc 被記録体給送装置
JPS60127181A (ja) * 1983-12-14 1985-07-06 Fuji Xerox Co Ltd インクドナ−フイルムカセツト
JPS6122981A (ja) * 1984-07-11 1986-01-31 Fuji Xerox Co Ltd 転写型感熱記録装置
JPS6183077A (ja) * 1984-10-01 1986-04-26 Nippon Kogaku Kk <Nikon> 感熱転写記録装置用のインキシ−ト・カセツト
JPS6189073A (ja) * 1984-10-08 1986-05-07 Toshiba Corp 画像形成装置
CA1284913C (fr) * 1984-10-23 1991-06-18 Mitsuhiro Shimada Dispositif d'enregistrement thermique du type a transfert de chaleur
JPS61118280A (ja) * 1984-11-14 1986-06-05 Toshiba Corp 画像形成装置
JPS61114876A (ja) * 1984-11-08 1986-06-02 Toshiba Corp 画像形成装置
JPS61235172A (ja) * 1985-04-11 1986-10-20 Mitsubishi Electric Corp 熱転写記録装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539526A1 (de) * 1984-11-08 1986-05-07 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Bilderzeugungsgeraet
EP0208203A1 (fr) * 1985-06-26 1987-01-14 Kabushiki Kaisha Sato Ensemble du type impression thermique d'étiquettes
EP0225582A2 (fr) * 1985-12-05 1987-06-16 Hitachi, Ltd. Imprimante thermique par transfert

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 146 (M-389)[1869], 21. Juni 1985; & JP-A-60 024 973 (CANON K.K.) 07-02-1985 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0449237A1 (fr) * 1990-03-30 1991-10-02 Tokyo Electric Co., Ltd. Imprimante pour transfert
US5106215A (en) * 1990-03-30 1992-04-21 Tokyo Electric Co., Ltd. Transfer printer with removable print head

Also Published As

Publication number Publication date
DE3863013D1 (de) 1991-07-04
JPS6420184A (en) 1989-01-24
US4869606A (en) 1989-09-26
DE3721231A1 (de) 1989-01-05
EP0297025B1 (fr) 1991-05-29
JPH0459149B2 (fr) 1992-09-21
ATE63860T1 (de) 1991-06-15

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