DE3010822A1 - DEVICE WITH BONES ISSUE FOR PRICE REGISTRATION OF GOODS, IN PARTICULAR PRICE CALCULATING SCALE WITH PRINTER - Google Patents

Description

P ATE N.TANtW-Ä LITE ": -:" ":::

D1PL.-PHYS. BUSE DIPL.-PHYS. MENTZEL dipl-ing. LUDEWJG

Unterdörnen 114 · Postfach 200210 · 5600 Wuppertal 2 · Fernruf (0202) 553611/12 · Telex 8591 606 wpüi

511 5600 Wuppertal 2, March 20th, 1980

Password; "Cliché prom and

Programmer / case 248 "

Company Maatsch.ap.plj .van. BerJtel's. Patent N.V ..,. .Rotterdam / Netherlands

Device with receipt issuing for the price registration of goods, in particular price-calculating scales with printer

The invention relates to a device with receipt output for the price registration of goods, in particular a price-calculating device Scales with printer, which initially has an input device for prices, which are displayed as individual prices and, if applicable, as unit prices, E.g. kilogram prices can be entered in a price-calculating scale.

The device also includes a computer for determining a weight-determined Price of goods and the total of a purchase process comprising several individual goods and finally a printer which records the desired data on an information carrier, e.g. a strip of paper. These records on the receipt can basically be divided into two groups. A group of the recording consists of a fixed graphic, the default one includes textual and / or pictorial components. One of these fixed graphics is, for example, a company screen de in the head of the receipt, which shows the company name, the company address and / or a pictorial company emblem. Might continue to this Graphics also include a unit bar in the head of the receipt, where information about the unit of weight and the type of currency are included are. Finally, the

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Identification numbers of the retail scales used and others unchanged « Include information.

The other group of records on the receipt are variable Data that depends on the individual items in the respective purchase process. These include, for example, the individual goods prices, goods weights, unit prices, goods identification numbers and the like, which fell of course, depending on the type and quantity of the goods in question. At the bottom of the receipt is the resulting total recorded during the purchase process.

The known device of this type required a double printer to complete a receipt. All fixed to the mentioned Representations belonging to the graphic were applied to a cliché, which was used to complete the corresponding section the receipt required its own working mechanism. A separate print unit with print types is available for recording the variable data or the like. had been provided that could apply the desired numeric or alpha-numeric symbols individually. the Production of such a cliché is tedious and relatively expensive. Requires a change to the fixed graphic lengthy conversion work. One such printer is also space-consuming and because of the required coordinated working method various printing unit parts susceptible to failure.

The invention is based on the object of developing a device of the type mentioned in the preamble of claim 1, which has a simple printer and yet is highly reliable and quick to adapt to changing operating requirements excels.

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This is achieved according to the invention in that the printer has a single dot-matrix printing unit for recording both the stationary Graphics as well as the variable data and has an interchangeable insert in a recording and the insert contains the relevant control program for the fixed graphic

This means that there are initially different printing systems for the fixed one Graphics on the one hand and variable data on the other when creating a receipt avoided. Such a matrix print is extremely space-saving, since it only has a group of pressure elements that act in a point-like manner, for example only in a single one Need to be arranged in a row. As a result, the printer used to produce a receipt is space-saving, so that it is good inside is to be accommodated on a retail scale. Such a matrix printer is also extremely inexpensive. The point-like acting pressure elements can Not only alphanumeric symbols can be created by activating several elements and / or activating an element several times in a row Bringing work steps to the emergence, but at the same time any pictorial components in the fixed graphics of the receipt. You get a surprisingly large amount of freedom in designing the fixed graphic. The whole steering program for activating the printing elements when displaying the The fixed graphic is combined in an insert that is housed in an easily accessible receptacle on the printer. This control program is contained in the insert by means of an integrated circuit and can be formed from a Prom. When plugged in In the mentioned recording of the printer, the control program located there is called up when it comes to the fixed to record a standing graphic on a receipt. This printing process then runs completely, only then is the same matrix printer ready to print the aforementioned variable data for the goods to apply on the receipt.

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To trigger the printer for recording these fixed Graphics on the information carrier, a sensing element can be provided at the removal point of the receipt section in the printer. As soon the receipt is to be captured and replaced by the information carrier, this sensing element responds and causes the relevant control: program of use to create the graphic is called up. The easiest way is to move one on the printer as a sensing element Provide attached separating edge, which is useful for tearing the receipt from the end of the information carrier. When tearing off the Receipts, the fixed graphic is printed on a subsequent section of the information carrier that corresponds to the receipt of the future purchase process.

The invention is also directed to a very advantageous method of setting up the link of the printer, which defines the shape of the fixed graphic on the receipt. This is because there is particularly simple programming within the scope of the invention of the aforementioned use which characterizes the invention ..

In this procedure according to the invention, it is sufficient that the to use the desired fixed graphic in any template, be it as a drawing, be it as a photo, be it as a three-dimensional Object. This template is via a video camera or the like. recorded and initially - based on a selectable reference value for the blackening in the recorded image - in a binary signal sequence changed. This signal sequence can then be corrected or supplemented as required and in line by line on a video terminal Representation create a rasterized image of the template. The line-wise number of raster points in this raster image corresponds the number of elements in the dot-matrix printer. This raster image can be saved. Eventually it is retrieved

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and programmed into action. On the video terminal you can there; Recognize the appearance of the raster image and correct it by changing individual raster points or adding additional raster points. In this way the appearance of the fixed graphic can be optimized and you get a flawless operation with the relevant control program.

The owner of a scale designed according to the invention can have a bevy of different inserts for different fixed Have graphics, which, as required, can be inserted into the receptacle of the printer to create the fixed information can use in the receipt. This means that the appearance of the receipt can be changed in the shortest possible time with regard to the fixed graphic. It would even be possible to use them together via appropriate electrical connections to a group of independent scales to be connected, which take the control program in it to generate their fixed graphic. That would allow For all printers in the scales of an entire company, a quickly adaptable uniform graphic for all of them Obtain receipts to be created. This results in a particularly noticeable reduction in workload.

In the drawings, the invention is shown in one embodiment. Show it:

1 shows a price-calculating scale designed according to the invention,

2 is a sectional view through the essential parts of a printer designed according to the invention;

Fig. 3 is greatly enlarged, partially broken, the top view of an essential piece of the printer mechanism used in Fig. 2 ,

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Fig. 4 shows an example of one produced with the printer according to the invention Receipts,

Fig. 5 shows in a large enlargement the representation of a with the invention Printer-made symbol,

6 shows, as a block diagram, the most important components in the price-calculating scale shown in FIG. 1, and FIG

7 shows the means for setting up a relevant control member in a corresponding representation.

The device shown in Fig. 1 consists of a two-part price-calculating scale, which consists of a weight determination unit 11 and an evaluation unit 10 composed. Both units 10, 11 could also be more compact in a common housing Be united. The weight determination unit takes goods 12 to be determined in terms of weight on a load tray 13 on, which acts on a not shown per se known measuring mechanism, which via a connecting line 14 measuring signals of the evaluation unit 10 connected to it.

The evaluation unit 10 comprises an input device 15, the number keys for entering unit or Includes unit prices and has various command buttons. There is also a display device 16 is provided, both to the seller's side visible in FIG. 1 and to the buyer's side that is invisible in FIG. 1 has various types of reading windows to show the unit price, the weight of the goods and the ones determined by the computer To show the price of the goods visibly. Finally, the evaluation unit 10 also includes a printer 20, which in the illustrated embodiment

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management example is integrated into the housing. If necessary, however, the printer could also be connected to one another via electrical connections be housed in a separate unit. The printer 20 is used to output a receipt 19 documenting a purchase process on which the data of the individual goods, such as prices and / or weights ^ are specified. FIG. 2 shows the structure of such a printer according to the invention and FIG. 4 shows an example of the one produced therewith Receipt 19.

As shown in FIG. 4, such a receipt 19 comprises two principles borrowed different sections 28, 29. The first section is located in the head of the receipt and represents a fixed graphic 28, which, as shown, can be composed of a company panel 30, a unit bar 31 and, if necessary, other fixed information, such as a number designation 32 of the device. In addition to text information 34, the company panel 30 also contains image parts, namely a company emblem 35 and a decorative frame 36 are provided. The unit bar 31 indicates the names whose values are in German The lower section 29 of the receipt 19, which is yet to be mentioned, is to be indicated numerically in columns. Appears in the first column the weight in "kilograms". The unit price is listed in the middle column, namely the respective currency unit Kilograms of the goods and in the last column the currency of the goods price determined from the aforementioned values appears.

Only variable appear in the lower section 29 of the receipt] Data. The individual items of the be the goods covered by this purchase process. In the shown receipt 4, the first three items and the fifth item comprise goods, the prices of which are derived from the weight determined in each case and the associated unit price of the goods. Only a unit price appears as the fourth item because the unit price

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this pre-packed goods is fixed from the start. At the foot of the receipt, the final total appears, which is the result of adding the in this Column located commodity prices.

As FIG. 2 shows, the same printing unit, namely a dot-matrix printing unit 21 _; used. In the printer there is a web of an information carrier 17 wound into a roll 18, which in the present case can be thermally inscribed. The roll 18 lies in a tray 53 arranged in the printer. The web 17 is guided over an angled edge 22 of the tray 53 to the matrix printer 21. From there, the web 17 passes a separating edge 26 through an opening 25 of a flap 23, which closes a lower housing half 24 of this printer 30. As can be seen from the dash-dotted fold-out position, the flap 23 is to be opened in order to be able to get into the interior of the shell 52, for example to change the roller 18. The supply on the roll 18 can be seen through a viewing window 27. The end portion of the information carrier 17 which protrudes from the opening 25 of the flap 23 can be pressed against the separating edge 26, whereby this end piece is cut off and can be used as a receipt 19 for this purchase process. This process will be described in more detail.

The matrix printer 21 comprises, as FIG. 2 shows in plan view, a group of point-like elements 33, which are arranged here in a row. Each of these elements 33 is with electrical Inlet and outlet lines 37 are provided, with which the element 33 is arranged in a carrier sheet 38 made of insulation material. the Point-like surfaces of the elements 3 3, however, are exposed on the side facing the web 17 in FIG. 1 and can be effective for recording on this web · If through the associated lines

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Electricity flows. The carrier sheet 38 is at the ends of its lines 37 provided with plug contacts 39 which, as FIG. 2 shows, interact with complementary contact receptacles 40 in the case of assembly, which are mounted on a printed circuit board 41 arranged in the printer housing 24. The carrier sheet 38 is sufficiently flexible to accommodate the in Fig. 2 visible bending to be able to perform. The area encompassing the relevant thermally active elements 33 of the carrier sheet 38 is of a pivotably arranged pressure member 42, which is loaded by a spring 43, against a roller 44 held. The Wa ^ ze 44 is with a not shown in detail Provided drive for a defined transport of the web 17 in accordance with the thermal efficiency of the elements 33 cares. As FIG. 3 shows, the elements 33 of the printing unit 21, which are arranged in a line, determine a line length that is the desired line length Width of the recordings on track 17 is the same. The pressure element 42 ensures a defined position of the elements 33 with respect to the web 17 guided past the roller 44. The pressure member 42 can be used to thread the web 17 against the aforementioned Force of the spring 43 are pivoted back into an inoperative position.

The aforementioned shell 53 is outside the range of the roll 18 a pocket 45 which is used to hold an insert 46. The insert contains a PROM 47 inside, where the control program stored for the fixed graphic 28 of the receipt 19

is. Connector elements 48, which are connected to the PROM 47, protrude out of the insert 46 and are connected in the inserted state in the pocket 45 with coupling elements 49 arranged there, from which lines 50 extend which lead to the mentioned printed circuit board 41.

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The circuit board 41 is provided with a bevy of electrical components who are responsible for the control and operation of the matrix printer 21. This includes a microcomputer 51, a further memory 52, called "Character-Prom", the size and shape of all available numeric or alpha-numeric symbols contains which are to be printed in the receipt section 29 with the fixed data. By exchanging the memory 52 one could also change the shape of the symbols for the variable data 29 subsequently. Finally, the circuit board 41 also carries one Switch 54, via which it is connected to electrical lines. This switch 54 in turn has the aforementioned separating edge 26 in connection and is effective as follows.

The separating edge 26 is the sharpened toothed end of a blade 55, which is displaceable in a guide 56 parallel to itself is made and is connected to a holding member designed as a handlebar 57. This holding member 57 is angled with an Arm 58 is provided and has a fixed bearing point 59. In the pivoting movement of this arm 58 is the actuator of the aforementioned Switch 54 arranged. A spring 62 ensures that the link 57 is pressed against a stop 60. The blade 55 is in The direction of the arrow 61 can be displaced when the end the web 17 is pressed against the separating edge 26 in order to cut the receipt 19 therefrom, as has already been mentioned.

The operation of the device is best seen in the diagram of Fig. 6, where the components already mentioned by their respective digits are designated. In this respect, the previous description applies, even if individual components are compared to their specific ones Representation shown schematically in the preceding figures are.

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When the end section of the web 17 is torn off at the separating edge 26, in order to receive the receipt 19 for the previous purchase process The switch 54 is activated via the movable blade 55, which causes the microcomputer 51 via the line 63 of FIG. to generate the complete fixed graphic 28 in the header of the receipt 19 shown in FIG. 4 via the matrix printing unit 21. To do this works the microcomputer 51 cooperates with the memory in the mentioned insert 46 via the mentioned lines 50 and acts over a control line 64 with this printing unit 21. This activates the elements 33 for point-like recording and drives an associated one Transport mechanism 65 in the printer coordinated with these activations, whereby the web 17 used for recording has a defined one Receives feed. While the operator is still busy tearing off and handing over the receipt 19, this period is used to complete the fixed graphic for a future purchase process. Thereafter the device is immediately available for further work which is recorded on the receipt shown in FIG. 4 from the there recorded variable data 29 can be taken.

The goods 12 shown in FIG. 6 conducts on the weight meter 11 Via the connection 14, a measurement signal is sent to the evaluation unit 10 connected to it, where it is first passed into an evaluation element 66 a corresponding signal via line 67 to a main computer. 68 forwards, but also via further lines 69 on the one hand to the display device 16 and, on the other hand, to the microcomputer 51. In the display device 16 appears in the first display field digitally the weight value of the goods 12. The Evaluation of this weight value for printing is expediently only carried out in response to a pulse from the input device 15, which is why you first need a memory, not shown in detail

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which is accessible to the microcomputer 51 is used.

Via the input device 15, as FIG. 6 further shows, either A unit price is passed on to the main computer 68 directly via the lines 71, 72 or indirectly through an intermediary so-called “price-look-up” memory '70 is passed on to the main computer 68 via the line 72. In both cases This signal is also passed on via the line 73 to the display device 16, where this value appears in the middle reading window, and this pulse is also transmitted via the line 74 passed on to the microcomputer 51 or to the associated memory mentioned. Whether the unit price is direct or indirect comes about depends on the working position of a switch 75, which is e.g. Input device 15 is reversible. In the one, dargestell th position of the switch 75 determines the actuation of the buttons the input device 15 directly the unit price. In the other position of the switch 75 is the actuation of the buttons in the input device 15 only a code number that is taken from the connected PLU memory 70 under this number contained value to - the lines downstream of switch 7 5 72, 73, 74 passes on. In the main computer 68 the incoming unit price via the line 72 and that from the evaluation element 66 The weight value supplied via the line 67 is computed and the associated price of goods is determined therefrom, which is used as a signal reaches the display device via the lines 76, 77 on the one hand, where this goods price appears in the last reading window, and is also fed through the line 77 to the microcomputer 51 or the memory located there.

If the variable data of the goods 12 that have become visible in the display device 16 are now fixed, and the goods 12 should be in the

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Purchase process will be included, e.g. via a no further details shown pushbutton in the input device 15, the microcomputer 51 is controlled, which is now supplied to him or in the associated Memory input values can be recorded by the matrix printer 21, namely the mentioned weight value, unit price and price of goods. This is done by the microcomputer 51, in accordance with the signals accessible via the lines 69, 74, 77, takes the data required for the representation of these symbols via a line 78 from the character PROM already mentioned and accordingly activates the matrix printing unit 21 via the control line 64. This in turn is done through coordinated Activation of the printer elements 33 on the one hand and the transport mechanism 65 on the other hand. One line of variable data may be recorded in section 29 of receipt 19 of FIG. It would be but also conceivable to provide a control that stores several items of variable data 29 or even all items and then several or all of the variable data in section 29 of receipt 19 in writes in one operation.

As can be seen, in order to obtain another fixed graphic 28 on the receipt 19, it is sufficient simply to insert the insert 46 with an ent other speaking, which is then placed in the pocket 45 of the Printer 20 is introduced.

In Fig. 7 it can be seen on the basis of a schematic representation in which simple way a PROM 47 for use 46 with the Control program for the fixed graphic can be provided.

The shape of the desired graphic 80 is recorded on a template 79. This is now recorded by a video camera 81. After this optical conversion, an electrical video signal,

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which also includes all associated synchronization pulses from the video camera is passed on via line 82 to a demodulator 83. There the image information is taken from the synchronization signal separated and both passed on via lines 84 to a control unit, which consists of a microcomputer. In one there The comparison circuit provided or connected upstream of the microcomputer is the image information present as an analog signal converted into a binary high-low signal. With this binary conversion, an adjustable reference value decides whether a high or Low signal arises at a certain point in this signal sequence. This reference value is set to a certain blackening the template 79 is set, via a line 86 this is binary Signal sequence fed to a further video modulator 87, which, taking into account further synchronization pulses via the Line 88 forwards a video signal to a video terminal 90, where now a rasterized signal generated with the binary signal sequence Image 91 of the desired graphic 80 is created. The line-by-line number of the raster points 9 2 produced is less than / equal to the number of printing elements 33 in the dot matrix printer, which is shown fragmentarily in FIG. 3 already mentioned. the end This rasterized image 91 shows the conversion of the original 80 into raster points, which is now decisive for the printer. It can now changes are still to be made.

For such corrections, an image sensor 93 (scanner) is used a line 89 is connected to the control unit 85. This button 93 carries a handle 94, when actuated a targeted certain raster point 92 'is converted into the opposite signal. In the assumed case, a "black point" is 92 'error appearing from the graphic 80 of the template 7 9 rigid men can be changed into the complementary signal, namely a "white point". This is registered by the control unit 85 and there will be

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Correspondingly corrected signals are then fed to the video terminal 90 via the lines 86, 88.

A keyboard 95 can also be connected to the control device 85 via the line 96, via the keys of which textual inputs in In addition to the template 79 or instead of a template 79, digits or letters can be entered for checking purposes the video terminal 90 appear. Special control buttons 97 enable it, the place of recording these alpha-numeric symbols on the Select the screen of the video terminal 90. A control printer 99 is also connected to the control unit 85 via a line 98, which e.g. consists of a thermal printer. In this way it can be checked what the final shape will be in the device saved graphic has now been obtained. The image can be read on the paper strip 101 delivered by the printer 99. the The control printer 99 is triggered by a key 102 integrated into the keyboard 95.

Finally, a programming device 100 is also connected to the aforementioned control device 85 via a line 103. The control unit 85 now calls up the final form of the desired graphic, which is already divided into grid points, and programs the PROM 47 connected to the device 100. This has now acquired a control program which is able to maintain the same fixed To bring about graphics in the later matrix printer 21, which could be checked in the control printer 99 mentioned above. the This programming process can also be initiated from the keyboard 95, because there is one for the programming command responsible key 104 is provided. The fully programmed PROM 47 can now be removed from the device 100 and placed in the housing of a Insert 20 are introduced after it has been

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has been clocked to in the manner shown in FIG the device according to the invention to be used. With the device shown in Fig. 7, if the rasterized image 91 of the template is established and stored there, any Create number of PROMs 47 with the same control program.

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PATENT LAWYERS:. ^ :: :::

DiPL-PHYS. BUSE DIPL.-PHYS. MENTZEL dipl.-ing. LUDEWIG

Unterdörnen 114 · Postfach 200210 · 5600 Wuppertal 2 · Femruf (0202) 553611/12 · Telex 8591606wpat

5600 Wuppertal 2, the

Password: "Klischeeprom and

Programmer, case

List of reference symbols:

10 evaluation unit

11 Weight determination unit

12 goods

13 load pan

14 connecting cable

15 input device ^v

16 Display device

17 information carrier, rail

18 role

19 receipt

20 printers

21 printing unit

22 angled edge of 53

23 flap

24 housing half

25 outlet opening

26 separating edge

27 viewing window

28 upper section of 19, fixed graphic

29 lower section of 19, variable data

30 company bezel

31 Unit bar

32 Device number

33 pressure element

34 Textual information in 28

35 company emblem in 30th

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36 Decorative frame in 30 6 S ' management 37 To-derivation for 33 70 PLU memory 38 Carrier sheet 71 management 39 Plug contact 72 management 40 contact 73 management 41 Circuit board 74 management 42 Pressure member 75 counter 43 feather 76 management 44 roller 77 management 45 Bag, recording 78 management 46 mission 79 template 47 Prom 80 graphic 48 Connector element 81 Video camera 49 Coupling element 82 management 50 management 83 Demodulator 51 Microcomputers 84 'Management 52 Storage 85 Control unit 53 Plastic shell 86 management 54 counter 87 Video modulator 55 blade 88 management 56 guide 89 management 57 Handlebars 90 Video terminal 58 Arm of 57 91 rasterized image 59 Depository 92 Grid point 60 attack 92 " Grid point (error) 61 Movement arrow 93 Image scanner 62 feather 94 Handle for 93 63 management 95 keyboard 64 Control line 96 management 65 Transport plant 97 button 66 Evaluation element 98 management 67 management 99 Control printer 68 Main computer 100 Programming device

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101 strips of paper

102 button

103 line

104 Programming key

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Claims (10)

PATENTA N _: 'W "Ä LT E: ·: ::: DiPL.-PHYs. BUSE · DiPL-PHYS. MENTZEL dipl-ing. LUDEWiG Unterdörnen 114 · Postfach 200210 · 5600 Wuppertal 2 · Fernruf (0202) 553611/12 · Telex 8591 606wpat 5600 Wuppertal 2, March 20th, 1980 Password; "Cliché prom and Programmer, case 24 8 " Expectations : ill) device with receipt issue for price registration of goods, in particular price-calculating scales with printer, with an input device for unit prices and, if necessary, for unit prices of the goods, with a computer to determine a weight-based price and the final total of a purchase process, and with a printer with an information carrier feed, like a paper strip on the end section of the information carrier on the one hand, prints a fixed graphic that includes specified textual and / or pictorial components, and on the other hand records variable data coming from the input device and / or the computer, the end section can be torn off and serves as a receipt for this purchase process, characterized, that the printer (20) has a single dot-matrix printing unit (21) for recording both the fixed graphic (28) and the variable data (29) has 130040/0223 COPY
ORIGINAL INSPECTED as well as an exchangeable insert (46) in a receptacle (45), and the insert (46) the relevant control program for the Includes printing the fixed graphic (28). 2.) Device according to claim 1, characterized in that the insert (46) is an integrated circuit, in particular one PROM (47). 3.) Device according to claim -1 or 2, characterized in that the removal point (25) in the printer (20) for the receipt section (19) is equipped with a sensing element (55) and that Sensing element (55) a trigger of the printing unit (21) for recording the fixed graphic (28) on the information carrier (17) is. 4.) Device according to claim 3, characterized in that the sensing member from a movably mounted separating edge (26) for Severing the end section of the information carrier which forms the receipt (19) (17) exists. 5.) Device according to claim 4, characterized in that the separating edge (26) is connected to holding members (57) which against a restoring force (43) which determines its initial position - a displaceable guide (61) of the separating edge (26) produce. 6.) Device according to claim 4 or 5, characterized in that in the movement path of the separating edge or its holding members (27, 28) the actuator of an electrical switch (54) 130040/0223 arranged and the switch (54) is connected to a control member (51) of the printer, which the operation for recording the stationary graphic (28) on the information carrier (17). 7.) Device according to one or more of claims 1 to 6, there characterized in that by separating the receipt section (19) the fixed graphic (28) on a subsequent Part of the information carrier (17) can be printed, which forms the receipt (19) for a future purchase process. 8.) Method for setting up a link of the printer of the device according to claim 1, which determines the shape of the fixed graphic on the receipt, characterized that a template having the desired fixed graphic (80) in any unlatched design (79) recorded in video (81) and - based on a selectable reference value of the blackening in this recording in a binary signal sequence is converted, this signal sequence is corrected or supplemented if necessary and then on a Video terminal (90) a rastered image (91) of the original is converted in line-by-line representation, the number of which is line-by-line of raster dots (92) corresponds to the number of elements (33) in the dot-matrix printing unit (21), this raster image (91) then stored and finally retrieved and programmed into the insert (46, which is used to record the control program (47) is used for the fixed graphic. 9.) The method according to claim 8, characterized in that selectable raster points (92 ·) of the on the video terminal for correction (90) appearing raster image (91) can be changed into the respective complementary raster point representation. 130040/0223 OOPY
ORIGINAL INSPECTED 10.) Method according to claim 8 or 9, characterized in that to supplement the raster image (91) of the original that appears on the video terminal (90), additional rastered image elements inserted. 13 0040/0223