DE2064388A1 - Device for printing out a multicolored sample cartridge - Google Patents

Description

Ing.Hons Puchert
Complete Phys. Reinfried Frhr. v. Schorlemer D 4oo7 ο η ο / ο ρ ο

Piterrtanwalt. ^ U y 4 O O O

3506HeISa-WIzKaSSeI December 24, 197 ©

Mariengrund 3 a phone 05005/23 67

Franz Morat GmbH, Stuttgart-Vaihingen

Device for printing a multicolored sample cartridge

The invention relates to a device for printing out a multicolored sample cartridge, containing a scanning head for scanning an artist's drawing or another sample cartridge, one color evaluation circuit connected downstream of the scanning head and one depending on the detected colors controlled printer.

From British patent specification 1 19o.6oo is a device known, by means of which an artist's drawing is optically-electrically scanned and at the same time a through the received Scanning signals controlled printer is moved over a drawing paper in such a way that one for each scanned point corresponding point is printed out. A major disadvantage of this device is that the printed Sample cartridge cannot be seen whether the so-called repeat connections in line direction or in height are correct when the pattern cartridge is used to control a machine, for example a knitting machine or a machine Production of mosaic pictures, or for the production of a control strip for such machines is used.

In the following, “repeat” is understood to mean the smallest regularly recurring pattern of a textile product, a mosaic picture or the like, formed from a plurality of points. In the manufacture of such goods, there is a requirement that the repeats that are repeated within the goods are repeated in identical form, which means that the sample cartridges must be carefully checked for the correct repeat connections.

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When using the machine described above, A check of the correct repeat connections can only be achieved after completion of the sample cartridge on each line of the sample cartridge the first m points of the subsequent Bapportes in the direction of the line and on the last Line the first η lines of the report below can be connected · This work can either be done manually or can be carried out automatically by scanning the corresponding points of the artist's drawing again. Both Possibilities are disadvantageous because they reduce the production time of the pattern cartridge provided with a repeat connection raise·

The invention is therefore based on the object of creating a device by means of which the repeat connections both can be printed out in line direction as well as in height without significant loss of time

Based on the device referred to above, there is the invention in a device for automatically printing out the first m dots of each line of the sample cartridge following the printing of the corresponding complete line · The report connection in line direction is thus automatically produced immediately after a line has been printed out, without the need for this, the first Points of the corresponding line of the artist drawing to be scanned again or drawn in manually

the rapport connection is in height; According to the invention, a device for automatically printing out the first η lines of the sample cartridge in connection with the printing of a complete report provided with Bapportanscnluß in the direction of the line is provided Had to touch ^ pktfone, one more time or manually "n & ctaneeiohnen *.; -. V". "- ■". '-_ ■ - ..

; ORIGINAL .INSPECTED

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The invention has the essential advantage that the printout of the port connections takes place almost without loss of time. In the device according to the above-mentioned British patent specification 1 19o 6oo, this means that a line is first scanned and printed out at the same time, and then when it comes to a standstill the scanning head of the terminal repeat is prepared in the row direction, and that thereafter the next line is started with the scanning or printing ·. After scanning of all the scanning line corresponding to a repeating pattern is locked, while the first η lines are printed again.

The device for automatic printing of the report connections preferably contain any storage devices in which the necessary for the rapport connections Information is temporarily stored when the associated lines are scanned until they are ready for printing are needed.

The invention can be applied to all devices for printing out a multicolored sample cartridge. She is particular not limited to those devices in which the scanning operation and the printing operation are almost simultaneous occur. Rather, it is also possible to have the artist's drawing or an already existing sample cartridge in one To scan earlier method section and the scanning signals obtained in this way permanently in a memory device save. If then, in a later process section, the stored information for controlling the printer are used, the information read out from the storage device can be used in the same manner as above the scanning signals are buffered.

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Although the invention is not limited to the use of any type of latch, shift registers preferred.

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The invention is described below in connection with the drawing using a special embodiment.

FIG · Λ schematically shows the overall construction of the apparatus according to the invention ·

Fig. 2 shows part of the scanning and printing device.

Fig. 3 »Yes and 3b show the manner in which the sampled signals are stored.

Figures 4a and 4b show the different phases during the scanning or printing process when using the in Fig.2 illustrated scanning and printing device.

FIG. 5 shows schematically that for transferring the scanning signals circuit arrangements required in the memory device

FIG. 6 shows part of the logic used in the device of FIG.

Fig. 7 shows schematically the circuit arrangement, the for converting the information stored in the memory device into control signals for the printing device is needed.

FIGS. 8, 8a and 8b schematically show a central control unit or parts thereof.

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In Fig. 1 there is schematically the overall construction of a device according to the invention Device for the automatic scanning of a freely drawn drawing, the so-called Artist's drawing 1, and for the automatic printing of a drawing composed of individual colored dots, the so-called sample cartridge 1o shown. The artist's drawing 1 is like the sample cartridge 1o in general drawn in multiple colors, but can also consist of areas with different shades of gray or the like. if this leads to different reflection or Lead transmission behavior. In addition, the Artist's drawing 1 like the sample cartridge 1o generally the size of a repeat, i.e. it shows that smallest, regularly recurring pattern e.g. of a textile product or a mosaic picture.

During the scanning process, the artist's drawing 1 is scanned line by line with the aid of an optical-electrical scanning head 2. The scanning signals obtained in this way are evaluated and / or sorted in an evaluation circuit 3 and then via an encoding and decoding unit 4 ·, an intermediate memory 5 and a logic 6 of a storage device 7, in which they are permanently stored in digital form.

The information saved will be used when printing first read from the memory device 7 and then via the logic 6, the buffer 5 and the Encoding and decoding unit 4- a printer 9 is supplied, which prints a drawing paper point by point and on in this way one that corresponds to the artist's drawing, but produces pattern cartridge 1o consisting of many individual points in the form of a grid, each grid point is printed in a single color. The individual points of the finished sample cartridge 1o are, for example, each a mesh of a knitted fabric or one piece of the mosaic each assigned to a mosaic image.

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By comparing the sample cartridge 1o with the original Artist's drawing 1, the designer can determine whether the knitting pattern or mosaic image equivalent to the pattern cartridge 1o optimally corresponds to his ideas or whether changes still need to be made · After such changes have been made (e.g. point-by-point correction of the sample cartridge 1o) and after deletion of the saved when scanning the artist's drawing Information -will then be the sample cartridge 1o . scanned, so that in the memory device 7 now the corrected sample cartridge 1o corresponding information get saved. The processes described can be repeated until at. Printing a sample cartridge 1o is printed out that appears optimal, which is equivalent This means that the information stored, which is later used for other purposes, is accurate correspond to the desired sample cartridge 1o.

In order to avoid that the entire sample cartridge 1o must be newly scanned and stored, is provided according to the invention, which in the memory device 7 to add addresses to the information entered. This makes it possible to use the stored information to correct gradually. Measures are preferably provided that allow all of that information to be exchanged which are assigned to a preselected line of the sample cartridge 1o

Between the printer 9 and the storage device 7 can depending on the design of the printer, delay stages 11 and 12 can be switched to allow the individual Colors corresponding information to delay relative to each other.

If it is determined that the stored information leads exactly to the desired sample cartridge, the storage device will 7 read out again. The information read out is stored in the buffer 5 and other facilities not shown either for direct

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Control of a sample cartridge 1o reproducing Machine 13 used or a device 14 - for producing one for the electronic control of such Appropriate control strips for machines.

Between the evaluation circuit 3 and the storage device 7 or the storage device 7 and the machine 13. or. Device 14 can also be connected to a device 16 in order to bring the signals into a desired order, which is referred to as "offset" in knitting technology, for example will.

With the device described with reference to FIG. 1, artist drawings drawn without raster in the same way 1 and rasterized sample cartridges 1o are scanned. Besides that it contains facilities which will be described later "and by means of which changes in scale are made i.e. an artist's drawing 1 can optionally be stretched or compressed over its entire width or height will. This advantage makes it possible on the one hand to print with a constant dot size and on the other hand to evaluate an artist's drawing even if it is only drawn on the wrong or visually unsightly scale. In addition, since the scanning of an artist's drawing 1 is equivalent to the scanning of a sample cartridge 1o, im following reference only to the artist's drawing 1 during the scanning process.

During the scanning process, the artist's drawing 1 is transferred, for example, to a rotatably mounted drum 1o1 (FIG. 2) spanned so that its Y-axis is parallel to the drum axis and its X-axis is perpendicular to the drum axis in the circumferential direction direction of the drum 1o1 runs. On two rails 1o3 parallel to the drum axis, a carriage 1o5 is sliding, pole-bearing, which is moved back and forth in the Y direction along a surface line of the drum 1o1 by means of a stepping motor 1o7 can be. The scanning head 2 is mounted on the carriage 1o5.

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Before the start of the scan, the scanning head 2 is on the beginning of the first line of artist drawing 1 running in X-direction, so that the first valid Drum rotation the first line is scanned »at the end of the first or each subsequent line scanned the stepping motor 1o7 supplied so many step pulses that the scanning head 2 at the beginning of the next drum revolution stands exactly above the beginning of the line of the artist's drawing 1 to be scanned below.

During the printing process, the paper to be printed is accordingly stretched onto the drum surface in such a way that s fine Y-axis parallel to the drum axis / its X-axis runs in the circumferential direction of the drum 1o1. In contrast, the printer 9 is mounted on the carriage 1o5. As with scanning the paper to be printed is printed line by line until the cartridge 1o is completed. The printer 9 is preferred with printer pins 1o6 spaced apart in the X direction equipped.

In order to achieve the highest possible scanning speed, scanning is carried out according to the invention in a fully automatic manner continuous process, the drum 1o1 by means of a step or synchronous motor 1o9 and an intermediate one Gear 111 rotated continuously and the carriage 1o5 is advanced step by step.

The gear 111 can be designed as a changeover gear for setting several circumferential speeds of the drum 1o1 be. The setting of different speeds of the drum 1o1 can, however, also be purely electrical Ways take place, as will be described later with reference to the central control unit (Fig. 8). The correct setting is made preferably when pressing the "Scan" or "Print" buttons.

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The carriage 1o5 is to be advanced within a period of time while not scanning or printing at the same time. In the embodiment described here is therefore the drum circumference is larger than the maximum possible expansion the artist's drawing 1 in X-direction. This remains on the drum circumference when scanning or printing free part between the end of a line and the beginning of the next line, so that the Y feed is always can then be carried out when this free part wanders past the scanning head 2 or printer 9. According to other embodiments you can move the drum 1o1, so that there is enough time for the Y-feed, after scanning or printing run one line around again and block the scanning or printing process on this second cycle, or both Embodiments apply combined, for example if the scanning process is much faster than the printing process expires.

Rotatable signal disks 113, 115 are located on the drum axis with gap or hole markings 117 »119» which are scanned with optical-electrical scanning devices 121, 123, or any other signal transmitter attached. The markings 117 »119 can be exactly at the beginning or the end of the line of the artist's drawing 1 can be adjusted so that the scanners 121, 123 each time the drum is rotated 1o1 emit an electrical signal at the beginning or end of the line. In the following it is assumed that the marking 117 to the beginning of the line and the marker 119 to the End of line · is set. That produced by marker II7 Signal is therefore called MZA signal (mechanical line start) and the signal generated by the marker 119 is referred to as the MZE (Mechanical End of Line) signal.

On the frame carrying the drum Ιοί is a connector provided for a cable 125, in which all lines are accommodated, by means of which the operation The voltages, signals, etc. required or generated during operation of the drum can be supplied or removed.

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According to one embodiment of the invention, the carriage 1o5 has a guide 127j into which optionally the scanning head 2 or the printer 9 can be pushed. A screw 129 is used for fastening. According to another embodiment two separate drums 1o1 can be provided, which are only used for the scanning or printing process. According to Further embodiments of the invention can be arranged on the rails 1o3 a second carriage 1o5, which through the same or a different stepper motor 1o7 in the Y direction is transported. This arrangement is useful if you want to scan and print at the same time. In the end it is also conceivable to have the carriage for the scanning head on the front and the carriage for the printer on the rear to arrange the drum.

For scanning the artist's drawing 1, a scanning head 2 used according to British patents 1170947 and 119oo93 which are hereby expressly referred to. Such scanning heads are used to detect the from illuminated artist's drawing of reflected light and essentially contain three photodiodes and three in front of them Color filters through which each photocell is only supplied with light from a narrow range of wavelengths (e.g. blue, green, red). The photodiodes are followed by preamplifiers, those for the white basic color of the artist's drawing 1 can be brought to the same output level. The digital conversion of the analog signals that are sent to the outputs of the Preamplifiers appear, takes place through post-amplifiers with suitably variable threshold values in the scanning head 2 downstream evaluation circuit 3> which has three outputs 31 (FIG. 1) corresponding to the three photodiodes. With four-color artist's drawing (blue, green, red, white) appears when scanning a blue, green or red point at each a signal at one of the three outputs; if a white point is scanned, on the other hand, at all three outputs at the same time

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a signal · If the colors turquoise, purple and yellow are also used, such a color will appear when such a color is scanned 3 signals at each of the two outputs of the evaluation circuit. These signals are fed to the coding and decoding unit 4-.

In the coding and decoding unit 4- the color information, which correspond to the possible states at the outputs 31, binary coded words' assigned. Using words with two bits each are sufficient for four colors such as "11" for color 1, "1o" for color 2, "o1" for color 3 and "oo" for color 4-. There besides the color information further information is stored, each of these words in the logic 6 is increased by one bit, so that a total of three-digit words emerge. Parity bits can also be used to increase the level of error security will. Finally, it is possible to record each word twice, pa coding and decoding units well known further details are not described.

According to one embodiment of the invention, a magnetic tape 7o1 (FIGS. 3 »3a, 3b) is used as a memory because this is advantageous for reasons of cost. However, in order to achieve that the magnetic tape for direct control, for example a knitting machine operating at 1οθο Hz can be, the recording of the information on the magnetic tape must be done in a special way.

According to FIG. 3, the magnetic tape 7o1 is written on in blocks, each recorded information block 7o3 containing all information about one line of the artist's drawing 1. In FIG. 3, the information blocks 703 are numbered consecutively with 1 to y in order to make visible the raw sound sequence in which they are recorded. Accordingly, the first half is 1 to γ / 2 ι in the Vorlmif (arrow V) of the magnetic tape 7o1

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of all information blocks? o3 are recorded, while the remaining y / 2 + 1 bit y information blocks 705 are written during the rewind (arrow R). At the end of each information block 7 ° 3 a special character is recorded Artist's drawing 1 ("ZB -zeichen 7o5" in Fig. Yes). A special character, which is written at the end of the last information block y / 2 recorded during the forwarding, means that half of all lines of the artist's drawing 1 have been recorded. This special character is referred to below as the "first y / 2 character" and the electrical signal assigned to it is referred to as the "first y / 2 signal ^w . A character 7 © 9 (FIG. 3a ), which is referred to as the "second y / 2 character" in the following, is recorded at the end of the last information block y when rewinding. E * indicates that all lines of the artist's drawing 1 have now been scanned and recorded.

Since each special calibration and each larbinfowmtioa is assigned a three-digit binary word, “three tracks are required _{for both forward and reverse of the magnetic tape? O1 j e.} One more lane each down the fore tow. Return is required to write the information blocks between a j address 1o serves in correcting the pattern template to locate the associated information block of a particular row and replace it with a new information block. This is advantageous if the cartridge has, for example, 500 or 1000 lines, but only a few lines are to be corrected.

Finally, a ninth track of the magnetic tape ^ οΛ is required to write synchronization characters *? ΛΛ (Pig. 3a) during the forward movement, which are read during the rewinding of the tape and enable the information blocks written during the rewind to be in essentially the same place as the

² ° ^{9 8 3} ° / ° ^{1 3 8} "bath

Information blocks written in the lead are arranged · Instead of a synchronization character, however, the ZB and y / 2 characters could also be used for this purpose.

The division of the 'required tracks is, for example, as follows »

Forward track 1 track. 3 Track 5 "Track 7 Track 9 Return Track 2 Track 4 Track 6 Track 8 -

Color 11 1 1 ο ο

Color 2 1 ο 1 ο ο

Color 5 , ο 5 '1 ο ο

Color 4 ο ο 1 ο ο

ZE 1 1 ο ο ο

y / 2 '1 οο ο ο Ao 1 ο 1 1

The A-sign? 12 (Figure 3a ·) means that at this sign en- the address of a Inforaationsblouks directly \ j closes. j

· ■■ * .- 't »

The address for a particular information block becomes; Simplification of the entire execution appended to the previous information block. The address for the second information block follows immediately after the first information block and the address for the first information block immediately after the last information block Address stopped, then the recording or reading of the desired information block can be started immediately. In Fig. 3a, for example, an information block 703 is shown, which is written during the advance and consists of the words for four colors F1 to F4, a ZE character, a Α character and a four-digit address. FIG. 3b, on the other hand, shows the last information block recorded during the rewind, which differs from the information block according to FIG. 3a by the y / 2 character and a different address . This information block begins in

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the rest where the synchronization character *? ΛΛ of the information block 7o3 assigned to it and recorded during the advance is located.

If the report and thus the artist's drawing 1 or cartridge 1o consists of an odd number of lines, then in order to maintain the organization described, an empty block at a defined point, which results from FIG. 3 713 formed, which is about the same place as the information block y / 2 + 1 lies, but does not contain any information in any single track.

During writing and reading, the magnetic tape ΊαΛ is in start / stop operationV \ that is, when an information or empty block 7 ° 3 or 713 is recorded, it is continuously transported past the read / write heads that are not shown and then stopped until all characters required for storing an information block are available. At the end of the v / 2nd information block, the first y / 2 signal switches from forward to reverse, and then the recording of the remaining information blocks begins in the same way as with, forward. The second y / 2 signal switches back from reverse to forward.

Then the read / write heads for tracks 1 »3» 5 »7 ¹ WHd 9 Bn must be in a position on the magnetic tape 7o1 that is in front of the first information block so that the next time the magnetic tape 7o1 starts (read cycle or correction) the entire first information block is detected. However, since different time intervals are required to start or stop the tape and these time intervals can also fluctuate, this must be ensured by special measures, e.g. the synchronization characters according to the invention in track 9, which according to Pig.3a at the same place as the A characters ^ 712 lie. With the return of the magnetic tape 7o1

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the read head for track 9 is switched on, which is always thin. A synchronization signal is generated when the Macnet tape in track 9 has a synchronization character *? ΛΛ . The synchronization signals then release the storage of the next information block via a gate circuit, so that the information blocks y / 2 + 1 to y begin and end almost exactly where the information blocks 1 to y / 2 also begin and end. Due to the addresses and the time interval required for the tape stop, the two y / 2 characters also switch from forward to reverse or vice versa, so that the entire following information block is recorded the next time the tape starts.

The circumference of the drum 1o1 (Fig. 2) is selected according to one embodiment of the invention so much larger than the maximum possible width of the artist's drawing 1 or cartridge 1o in the X direction that ^ during the period in which the uncovered part of the drum 1o1 nm scanning head P or printer 9 passes, the scanned information can be accommodated on the magnetic tape 7o1 (scanning process) or a stored information block 7 ° 3 can be read out and processed (printing process) in such a way that the printer receives all for control signals required for one line can be made available.

The phases resulting therefrom during scanning or printing are shown schematically in FIGS. 4a, b.

4a shows the scanning process, the drum 1o1 being rotated in the direction of the arrow P, the scanning head 2 on dom Slide 1o5 is mounted and the artist's drawing 1 on one Part of the drum circumference is spanned.

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During a phase A, one line of the artist's drawing is scanned for each drum revolution. Phase A is initiated by the MZA signal generated by marker 117 (FIG. 2). The scanning signals obtained are shifted into the buffer store 5 and transferred to the magnetic tape 7o1 during a phase B, which is initiated by the ZE signal (end of line). The ZE signal corresponds in time to the MZE signal generated by the marker 119, but is generated electronically. Phase B is ended by an AE signal (end of address) generated by another counter, which indicates that the one line The information block corresponding to the artist's drawing should contain the address for the next information block on the magnetic tape 701. In a phase C, which lies between the AE signal and the MZA signal, there is neither scanning nor recording on the magnetic tape 701. During phases B and 0 , the carriage 1o5 is also adjusted to the next line of the artist's drawing. The duration of phases A, B and C depends on the width of the artist's drawing 1 in the X direction and the time required to adjust the carriage 1o5.

During the printing process is shown in Fig. 4-b on the in the direction of Arrow P rotated drum 1o1 stretched the drawing paper, which forms the pattern cartridge 1o after the printing process. The printer 9 is mounted on the carriage 1o5. After an ST signal (start), which is triggered by means of a manual switch and then always after printing a complete line as "DE signal" (end of print) is generated by a counter, the reading of an information block 7o3 from the magnetic tape 7o1 and the input of this begins Information blocks in the buffer 5.

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Phase D is ended by a signal from a Comparison counter of the buffer is generated and indicates that the information block in the buffer 5 is ready for printing. This signal is referred to below as the VZD signal (comparison counter printing). In a phase E, which depends on the length of a line of the sample cartridge 1o, nothing happens. When appearing of the next MZA signal then begins a phase F in which the information available in the buffer 5 can be printed out. The DE signal then conducts that Reading out the next information block and advancing the carriage 1o5 by one line.

In the following, the latch 5 will be described, in FIG. 5 and 7 ^m i 't a dashed line is boxed. The buffer memory 5 receives from the central control unit 8 (Fig. 8) the necessary control signals and carries these signals to.

In FIG. 5, those parts of the intermediate store 5 are shown, which are required for the scanning process, all of which are unimportant or obvious to a person skilled in the art Parts are omitted.

The intermediate store 5 contains as essential components two shift registers 5o1 and 5o3 »which are preferably at least have as many memory elements as the sum of the grid points of a line and that for the special characters and addresses required bits.

The two shift registers 5o1, 5 ° 3 are assigned the values in the coding and decoding unit 4-formed words are offered in parallel on the two information inputs. The clock inputs of the Shift registers ßo1, 5o3 can use an OR gate 5o5 pulses formed at the output AT of the central control unit 8

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of the sampling clock (AT). The output rlen OR gate 5ο5 i ^fil t also mdt the counter ei η pjp.np "03non comparison counter 5 ° 7 connected, which is permanently set to the number of memory cells of the shift registers 50I, 5o3 and when this number is reached a VZA- Signal (comparison counter scanning) emits.

With the clock inputs of the shift register 5 ° 1> 5 ° 3 and the counter input of the comparison counter 5o7, the outputs of two clock generators? O9 and 511 are also connected via the OR gate 5 ° 5, of which the clock generator 5 ° 9 pulses with a relatively high repetition frequency (Fast clock, e.g. 4o KIiZ) and the clock *? ΛΛ supplies pulses with a relatively lower repetition frequency (write clock, e.g. 8 KHZ), the latter also being fed as ZT signals (counter clock signals) to an input ZT of the central control unit 8 .

Outputs ZE or y / 2 of the central control unit 8, at which the ZE or y / 2 signals appear, are via a OR gate 5 * 15 with the start input of the clock 5o9 whose stop input is connected to the output of the comparison counter 5o7.

The output of the comparison counter 5 ° 7 is also connected via a delay stage 515 on the one hand to an input VZA of the central control unit 8 and on the other hand via an AND gate 517 and an OR gate 519 to the start input of the clock generator ^ ΛΛ . The other input of the AND element 517 is at the output Q1 of a flip-flop 521 whose clock input is connected to the output y / 2 of the central control unit 8 and whose output Q2 is connected to the other input of the OR element 519 via a further AND element 523 . The other input of the AND element 523 is connected to an output S of the memory device 7, from which the synchronization signals stored in the track 9 are taken.

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/ JO

The output of the comparison counter 507 is finally still with the start input of the memory device 7 and via the delay stage 515 and an OR element 525 connected to its reset input JR.

The stop input of the memory device 7i dor the stop input of the clock generator 5II and the other input of the OR element 525 are connected to the output of an address counter 527. The address counter 5271, a binary counter 529 and a shift register 531 are used to write the respective address. The input of the binary counter 529 is connected to the output ZE of the central control unit, so that it is set to the address of the following information block by the ZE signals. Since its initial position is the number Λ , it is set to the address of the second line by the ZE signal appearing after the harvested line has been scanned, so that this is appended to the first information block. Correspondingly, the binary counter 529 is set to the address of the first line by the ZE signal of the last line, so that this is appended to the last information block 703.

The binary counter 529 puts the set address into the shift register 531, from which it is transferred to tracks 7 or 8 of the magnetic tape by the clock signals coming from the clock generator 511, if an AND gate 533 from the output Q2 of a flip-flop 535 is prepared accordingly. The input S2 of this flip-flop is connected via a delay stage 537 & ^m output ZS (counter-stop) of the central control unit, the input S1 on the other hand at the output of the address counter 527 "which is also at the jerk etwork input.

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With the output of the AND gate 533 is also the input of the address counter 527 connected so that he those Counts clocks that are fed to the clock input of the shift register 531. The address counter is on the Number of bits set which each address includes, for example the number 9 or 1o if 5oo or I000 Halftone points are to be addressed per line. By the AE signal appearing at the output of the address counter the comparison counter 5o7 is also reset and the magnetic tape stopped.

The memory device 7 has an input connected to dom output y / 2 of the central control unit 8 via a delay stage 539. This input leads % u to a switch, not shown, which switches from forward to reverse when the first y / 2 signal appears and switches from reverse to forward when the second y / 2 signal appears.

The outputs of the shift registers 5 ° ^ and 5 ° 3 have two Logic 6 inputs connected. Further inputs of the logic are with the outputs ZS, y / 2 and ZE of the central control unit 8 connected. Via the four outputs of logic 6, tracks 1, 3 »5 and 9 are activated when moving forward and when moving backward the tracks 2, 4- and 6 of the magnetic tape 7o1 are written.

Another input of the logic 6 is connected to an output UZ (odd number of lines) of the central control unit 8. When a UZ signal appears, an empty block 713 (FIG. 3) is recorded.

The logic 6 is used to provide the write heads of the memory device 7 with the signals required during the writing process to be provided or, during the printing process, the memory

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device 7 read out information in the necessary Order and sequence to be supplied to the buffer store 5. In Fig. 6 that part of the logic 6 is shown schematically, which is required for the enrollment process. The part needed for printing is at the opposite Information flow structured similarly.

According to FIG. 6, an input of two OR gates 6o1 and 6o3 with one of the outputs of the shift registers 5o1 and 5o3 tied together. The output signals of an AND element 6o5 are fed to each other input of the OR elements 6o1, 6o3, its one input at the output Q2 of a flip-flop 6o7 and its other input at the output ZS of the central Control unit lies. A third input of the OR element 6o1 is connected to the output of an AND element 6o9, its one input to the output Q1 of the flip-flop 6o7 and its other input is connected to the output ZS of the central control unit 8. The two entrances 'S1 and S2 of the flip-flop 6o7 are connected to the output ZE or via a delay stage 611 to the output y / 2 of the central control unit 8 connected.

The outputs of the AND elements 6o5 and 6o9 are connected to two inputs of an OR element 613> its third input via a delay stage 615 with the output ZS of the central one Control unit 8 is connected and the output of an inverter 617 is connected downstream.

The part of the logic 6 shown in Fig. 6 has four schematically indicated outputs, at which the tracks 1, 2 tow. 3, 'I- or 5,6 or 9 signals to be supplied: are statically available in the correct order and are queried via gate switch with the write octa developed by the clock generator 5ΛΛ (Fig. 5).

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ZS

The delay stage 611 is to ensure that in the In the event that a y / 2 signal appears, this is so much compared to the ZE signal that appears almost simultaneously is delayed that the output Q2 of the flip-flop 607 is set. The delay stage 615, however, must then Delay the ZS signal by exactly one measure, so that when the ZS signal appears, it is first in tracks 1 to 6 the special character ZE or y / 2 and then the special character A is recorded in the next measure. At the same time with The synchronization character is written to the Α character during the advance in track 9. Switching to the different Write or read heads take place automatically when the memory device 7 is switched over from forward to reverse or vice versa.

In FIG. 7, those parts of the intermediate store 5 are shown, which are required for the printing process, where again all unimportant parts are omitted. It is also useful for a better understanding of the printing process required part of the intermediate memory 5 in FIG. 7 as one of the part required for the scanning process shown in FIG. 5 independent system. Many of the components of the intermediate memory 5 »e.g. the shift registers However, 5o1 and 5o3j can both be used when scanning as well as when printing.

The part of the intermediate memory 5 required for the printing process contains, as essential components, four shift registers 551> 553 »555 and 557j which preferably have the same number of memory cells as the shift registers 5 ° 1 and 503. The information inputs of the shift registers 551 and 555 or 553 and 557 are each connected in parallel, but the information inputs of the shift registers 555 and 557 are one

209830/0138 ^BAD

Information lock 559 is connected upstream. By means of the information lock 559, the information inputs of the shift registers 555 and 557 are kept free of information at certain time intervals without the shift clock supplied to the clock inputs being interrupted. The information inputs of the shift registers are connected to the two information outputs of the logic 6 to which the reading heads of the memory device 7 offer the words stored on the magnetic tape 7o1 serially during the reading process.

The part of the logic 6 required for the printing process is in individual not shown, since it results from the functioning of the entire device and otherwise similar the part shown in Fig. 6 with opposite flow of information. In addition to the two information outputs, logic 6 has at which the color information stored in tracks 1, 3 or 2, 4 appears, still has a ZE output and a y / 2 output, at each of which signals appear when by means of the read heads at the end of an information block 7 ° 3 a ZE sign 7o5 or a y / 2 sign 7o9 (see. Fig. 3a, b) is read out. The ZE output of the logic 6 is via an OR gate 561 and a downstream one OR gate 562 on the one hand with the stop input of the memory device 7 and on the other hand with the start input of a Clock 563 connected. The y / 2 output of logic 6 leads on the one hand also to the OR gate 561 and on the other hand to an input of the storage device 7 »eggs with the switch connected to switch from pre-laxif to return or vice versa is.

The clock inputs of the shift registers 551 »553 are connected to the input of a comparison counter 565> which is set to the number of storage elements in the shift registers. In contrast, the input of an OR element 567 »the clock inputs of the shift registers 555» 557 with the input of a comparison counter 569 corresponding to the comparison counter 565 at the output

209830/0138 'bad _O n, _QINAL

-a * -. 2üb4388

an OR gate 571. At one input each OR gate 567 and 571 is the output of the clock .563 (rapid cycle, e.g. 4o KIIZ) and at a different one each Input one AND element 573 or 575 · «Te one input the AND gates 573 »575 is at an output DT (printer clock) of the central control unit 8. The other The input of the AND gate 573 is at the output Q1 of a flip-flop 5771 whose output Q2 mib the other Input of the AND gate 575 is connected. The input S1 of the flip-flop 577 is at an output DE (end of print), its input S2 at an output RA (report connection) of the central control unit 8.

The third inputs of the OR gates 567, 571 are finally connected to an output of the memory device, which sets the read strobe for the tracks 1 to 6 returns. This output is, for example, indicated by a 'bei the usual circuit arrangement of the commercial magnetic tape recorders is always supplied with a clock signal when the word just read from magnetic tape 7o1 in at least one digit has a binary "1". Since, according to the table given above in connection with FIG. 3, each on word recorded on the magnetic tape 7o1, whether or not it is a color or a special character, has a binary "1" at least in one place in the exemplary embodiment described here, a clock signal is generated when reading out each stored word, whereas when reading out an empty block 7I3 (see. Fig. 3) from the beginning of the reading out of the synchronization character in track 9 to the beginning of the reading out of the following synchronizing character no clock signals are generated at the "read-strobe" output. The magnetic tape 70I is therefore running during the printing process at the beginning of the return over the empty block

BAD ORJGINAL

209830/0138

Another output ST (start) of the central control unit 8 is connected to an input of an OR gate 576, whose The output leads to the start input of the memory device 7.

The outputs of the comparison counters 565 and 569 are at the Stop input of the clock 563 connected so that this is stopped by each VZD signal (see. Fig. 4b). In addition, these outputs are connected to the reset inputs of the two comparison counters connected.

The information lock 559 has a start input which is connected to a further output A of the comparison counter 569 is. This output A can be set manually to any value of the comparison counter 569, so that the information lock 559 is switched on at any given counter reading. The information lock 559 is through every subsequent MZA signal is switched to continuity again.

The outputs of the shift registers 551> 555 are via an OR gate 579, those of the shift register 553, 557 via an OR gate 581 connected to the coding and decoding unit 4, from which the decoded information via the shift register -11,12 are fed to the printer 9, which prints out the sample cartridge.

The part of the intermediate memory required for the printing process also has a device by means of which, after setting the corresponding address, any information block on the magnetic tape ^ οΛ can be searched for. This device contains a double button 583 »which, on the one hand, sets the central control unit to" print "and, on the other hand, sets the magnetic tape drive to continuous operation. The signal appearing via a TTFP element 585 sets the output Q2 of a flip-flop 587, which switches on the magnetic tape drive via the OR element 576 and leaves it switched on, even if the stop input stops signals via the outputs ZE or y / 2 of the logic 6 are fed.

2 0 9 8 3 0/0138 ^B AD original

20bA38S

The desired address is specified by means of a binary counter 589 by setting the number of lines. A comparator 591 is connected to the binary counter, the information input of which is supplied with the address bits taken from an output A of the memory device 7. In addition, an address counter 593 is provided, the output of which with its own reset input R, the reset input Tt. of the comparator 591 and the input S1 of a flip-flop 595 is connected. The address counter 593 is set to the number of bits per address.

The clock inputs of the comparator 591 and the address counter 593 are fed clock signals via an AND gate 597, if this is via the output Q2 of the flip-flop 595 is prepared. The input S2 of the flip-flop is connected to an output A of the logic 6, via which the A signals are fed. The other input of the AND element 597 is connected to an output B_ of the memory device 7, from which the "read strobe" of tracks 7 and 8 is taken as clock pulses.

The operation of this device is as follows. After setting a specific address in the binary counter 5 ^ 9 and after setting the flip-flops 587 and 595 to the outputs Q1 v / ird the key 583 is pressed, whereby the Mngnetbnndnntrieb is started. The magnetic tape can be in any position when starting. With the back flank of every Α, signal the AND gate 597 is prepared, so that the following "read-strobe-Imptilse the through Shift the Α signal of the announced address into the comparator 591. If this is not identical with the one in the binary counter 589, the last clock pulse from output B causes the address counter 593, the comparator 591 and. the flip-flop 595 is reset.

BAD OR'G'NAL

209830/0138

2084388

When the next Α signal appears, the same processes take place. Is by the comparator 591 when Reaching the desired address Identity established, then the magnetic tape is stopped via its output and the flip-flop 587 is reset, which ends the search is. Since the address of an information block is 7 ° 3 each is at the end of the previous information block, the read / write heads of the storage device are located 7 now immediately before the addressed information block, so that the buffer 5 is on "scanning" switched and a new line can be scanned and stored.

In the following, the central control unit 8 is described with reference to FIGS. 8, 8a and 8b, which the timing of all Controls processes that occur when scanning and printing or storing or reading out the information in the or play from the storage device 7. The central control unit 8 thus not only includes all devices for generating the various start, stop, clock and synchronization signals, but also those devices those for adaptation to different sized artist drawings 1, sample cartridges 1o or grid point sizes are needed.

The central control unit 8 contains essential parts the stepper motor 1o7 for driving the slide 1o5 in Y direction and the synchronous motor 1o9 for driving the Drum 1o1 in the X direction (see. Also Fig. 2). The stepper motor 1o7 is equipped with a Y-grid dimension counter 8o1 (in the following YRMZ counter) and a Y raster point counter 8o ,? (hereinafter referred to as the YRZ counter). With dom YRMZ counter can determine the size of a scanning or pressure point in the Y direction, with the YRZ counter 8o2, on the other hand, the Set the number of grid points of the artist's drawing in the Y-direction. The synchronous motor 1o9 »which transports the

BATH ORIGINAL

209830/0138

drawing or cartridge caused in the X-direction are accordingly a YRMZ counter 80 3 (X-raster measure counter) and an XfiZ counter 8o4 (X raster point counter) is assigned.

The various signals fed to the counters or motors are generated by a common square wave generator 8of? derived. The generator 8o5 is connected to the synchronous motor 1o9 via a frequency converter 8o7. Between the generator 8o5 and the frequency converter 8o7 are activated a "Scan" key 8o9 a 2: 1 divider 811 and when a "Print" key 81o is operated, an additional 5 * 1 divider 812 switched. This has the consequence that the drum 1o1 in the scanning process at a higher speed than in the printing process is driven. Between the two dividers 811 and 812 and the frequency converter 8o7 there are also two AND elements 81? and 814 and an OR gate 816 connected. The drum 1o1 is completely uniform by the synchronous motor 1o9 driven.

In order to scan the artist's drawing 1 or to print the sample cartridge 1o in the X direction, the generator 8o9 generates a Sampling clock or a printer clock derived ;. For this is the Generator 8o9 via a 2: 1 divider 817 with dom input IC of the XRMZ counter 8o3 connected, its output A on the one hand directly with one input of an AND element 819 and on the other hand via a 5 * 1 divider 821 with one input an AND gate 823 is connected. The other entrance of the AND gate 819 is connected to the "Scan" button 8o9, the other input of the AND gate 823 is connected to the "Print" button 81ο. The outputs of AND gates 819 and 823 lead to two connection terminals AT (sampling cycle) and DT (printer cycle), which are arranged on a connection plate 825.

209830/0138 bathroom original

SO

The divider 8I7 is enabled by an enable circuit 827 or · blocked. The release takes place via an AND element 829j to whose one input a general start button 833 is connected via a delay stage 831, whereas its other input is connected to the scanning device 121 (see FIG. 2). The start button 833 leads also via an OR gate 837 to a connection terminal ST (start), the output of the scanning device 121 on the other hand to a connection terminal MZA (mechanical line start). The 8I7 divider is blocked using an OR element 839 »one input of which is connected to the output of an AND gate 84I, one input of which is connected to the" scan "key 8o9 and its other input leads to output A of the XRZ counter 8o4. At the other entrance dee OR gate 839 is the output of an AND gate 843 connected, One input with the "Print" button 81ο and the other input with a connection terminal DE (print end) is connected.

The AND gates 819 and 823 are connected via an OR gate 845 connected to the input E of the XRZ counter 8o4, its reset input R via an OR gate 847 to the output A of the XRZ counter 8o4 and the terminal DE is connected. The output of the XRZ counter 8o4 is also connected to the input of a circuit 85o which is im hereinafter referred to as "X-Test" and will be described in more detail later with reference to FIG. 8b.

Furthermore, the appearing at the output of the counter XRZ 8o4 signals via an OR gate 851 are the Rückstelloingang of XRMZ counter 8o3i to one input of each ^f an AND gate 853 and 854 and finally to the input S2 supplied to a flip-flop 855th

, BAD ORfGiNAL

2 0 98 3 fr / 0138

2064358

• The output Q2 of the Flip-Flop.855 leads together with a Output B of the XRZ counter 8o4 via an AND gate 857 either to terminal DE or via OR gate 837 to terminal ST. The input S1 of the flip-flop 855 is connected to the terminal MZA, which is also connected to drn input S1 of a flip-flop 859, stretch Output Q1 connected to the other input of AND gate 853 is whose output to a connection terminal ZE (end of line), to input 3S of the YRZ counter 8o2, to cd η en Input of an AND gate 861 and finally on the one hand The input of an AND element 863 leads, the other input of which is connected to the 8o9 key. The output Q2 of the flip-flop 859 is on the one hand with one input AND gate 865j its output via the OR gate 845 leads to input E of the XRZ counter 8o4 and its other input is connected to a terminal ZT (counter clock), and on the other hand to the other input of the AND gate 854 connected, the output of which is connected to a terminal ZS (counter stop) is performed.

The other input of the AND element 861 is connected to the "Print" button 8o4. Its output leads to a connector RA (rapport connection). The input S2 of the flip-flop 859 is connected to a terminal VZA (comparative counter sampling) tied together.

The stepper motor 1o7 is driven by the generator 8o5 via a 2: 1 divider 868, one of which is replicated 64H divider 869 and a subsequent ßiied.chcr counter 871, whose output A. also has its reset input R is connected. The divider 869, which its Ausgongfjsignale also the input E of the YRMZ counter 8o1 is supplied, is temporarily released by an enable circuit 873 Vw /. locked. The release takes place on the one hand via the Aurgnng Q1 of a flip-flop 875, which has a TTND-Gl iedes with one input 877 is connected, and on the other hand via a delay η ρ ::

BAD OR ¹ CN ¹ AL

209830/0138

stnife 879, which is connected to the other input of the AND gate 877 connected is. The input of delay stage 879 is connected to an OR gate 881, at the inputs of which the AND gates 843 and 863 are located. The blocking of the divider 869 and the resetting of the YRMZ counter 8o1 take place via output A of the YRMZ counter 8o1.

The YRZ counter 8o2 has three outputs, one output y / 2, which is decoded to half the number of lines in the artist's drawing 1, an output B, which switches to the limit switch is decoded, and an output UZ (odd number of lines), the meaning of which will be explained later with reference to FIG. 8a.

The output y / 2 is connected to a connection terminal y / 2 of the connection plate 825, to the input E of a counter 883 and to the reset input R of the YRZ counter 8o2. The output of the counter 883 leads together with the key 81ο and the output JB of the YRZ counter 8o2 to the three inputs of a UTID element 885, the output of which on the one hand leads via an OR element 887 and a delay stage 889 to a connection terminal E (end shutdown) and on the other hand only leads via the OR gate R87 to the reset input R of the counter 883 and to the input S1 of a flip-flop 891 whose input S2 is connected to the button 833. The output Q2 of the flip-flop 891 is connected to one input each of the AND gates 813 and 814. In addition, the output A_ of the counter 883 leads together with the 8o9 key to the two inputs of an AND element 893> that is connected to the other input of the OR element 887.

The output UZ of the YRZ counter is connected to the input S? dop flip-flop 875 and with one terminal UZ (odd number of lines) tied together. The YRZ counter also has an MZA input, which is connected to the MZA connection terminal.

BAD OR / GINAL

? 09830/01 38

- Ή - 7U6AJÖ8

Which is shown schematically in Pic · #a?: F; el. The YRZ counter 8o2 is structured so that for an even number of lines nnch Abbas exercise or pressure dpr · line y / P fin ι »rs ben y /, ^J -Sigmil and nnch Abbas exercise bZ7 /. Pressure dor last 7eiie a "v / ei ben y / PF) 1 Lgna generated Rr π is different I / on other counters in it dall nichb bir; Bur oir.i ':? F r bollbf" ri number nonder 'n zv / ^ iinaL bir. to the HnIfbe der elmy-nf; Ί 1 .bon Zahi hochnnhib. To achieve this, a specific decoding of the individual decades (Möbiusrinr;) pew ^: ihLb, the further functionality of the3 YRZ-Zähier . ¹ ; Π ο 2 result «I aun the original image of the Fi ^ * 8? I.

When selecting a straight line) 7.ihl ir, b the Tanbc Hn '' ⁷ , not pressed, whereby a to the TFND-GI i ed 0o? 'L nnch ^ onohni pray "Fllpflop ßo ^ S, whose Aunr ^ anf ¹ ; QH mi b 'learn AusDrin? ^ V% ' rprbunden isb, permanently nuf no aur; p '^ n ^ QI penebab remains; If the counter is set to the number "Po" , for example: Lnt and the counting cycle at "1" ^ PKin ;, then?; Is the YlW counter by the after sampling; The ZE-Ri ^ mI appearing on the first line is set to the number "2". At the end of the Abbnr.bunp of the 1o. In the 1st line, the YRZ counter, because it is decoded at "1o", does not return a y / 2-f> tennis back to the number · "'!" set so that he starts counting again and me sampling the 2o. Line by submitting the zv / elben y / 2-Sigrial zurückr; es el; ^ bv / i rd,

The YHZ-Z ^: ihler ßo2 isb zurjäbzi i ch dernrb decoding that when it is set to an odd number of lines it counts up to y /? of the TIND member 8o? 1 a "1", vreil the key On? ^ g-idrünkb isb. Dior h.-it means that after the abasben of the line y / Pf-1 / P zv / ar 7 / iednrum a y / 2 signal extending over the abbreviation of the following line, but d'iss also through the y /? - Rignnl dfis flip-flop Bo25 nn its output Qi? gesebzb

BATHROOM ΟΠίΟΙΝΛΙ

2 0 9 8 3 0/0138

2Ü64388

becomes, bo that at the output UZ for the duration of the entire next line eLrie "1" is present »

Assume that the YRZ counter is set to the number "21", whereby the button 8o2j5 is automatically pressed. In this case, the YRZ counter is not at Ίο.5, but at y / 2 + 1/2 = ΊΊ decoded »As a result, 11 full lines of the artistic drawing were scanned before the y / 2 signal err.cheinb, by means of which the memory device 7 is switched from forward to reverse. As a result of the UZ signal appearing simultaneously with the y / 2 ~ signal, the flip-flop 875 'is set to its / Vuc output Q2 in FIG is delayed via the delay stage 879, not; reaches the release line end 873 »Since the UZ-Sigrial only disrupts the next ZE signal together with the y / 2 signal when it appears, this process cannot be disturbed by an MZA signal appearing in between. According to Figure 5, the UZ signal is also fed to the logic 6 in order ^to suppress any recordings on the magnetic tape 7 ° 1 during the renewed scanning of the 11th line, which corresponds to the recording of an empty block.

The consequence of this is that after scanning the 11th line of the Step motor 1o7 not started and the 11th Line is scanned again.

Because of this design of yRz counter 8O2 the second y / 2 signal but with an odd number of lines at the end of the 22 line creates "Because of the double sampling of the 11th line corresponds Dleo sampling of exactly 21 lines on which the yRz Counter 8o2 is set.

20 98 307 0 138

2U64388

Essentially the same processes can occur in printing play, i.e. you could hear the UZ signal when it appears, As shown in FIG. 8, for the duration of a line, on the one hand, the Y feed and, on the other hand, through a connection to the storage device 7 (see. Fig. 7) the further transport of the magnetic tape npcrrnn. It exists but also the possibility of printing a gmifc normal Use YRZ counter because the empty block after switching from forward to reverse and after restarting the tape would pass the read heads ineffectively until the following information block without a new binding stop is read out. The YRZ counter 8o2 therefore decides essentially only whether there is an empty block on the magnetic tape 7o1 7o3 should be recorded or not.

The circuit X-Test 85o is shown schematically in FIG. 8b. According to FIG. 8, their inputs are connected to the outputs of the XRZ counter 804 or the scanning device 12.3. The output of the XRZ counter 8o4 leads to one input each of AND gates 85o1 and 85o3 and via an inverter 85o5 to one input of an AND element 85o7 · The The outputs of the AND gates are connected to inputs S2, one each Flip-flops 85o9, 8511 and 8513 connected. The outputs Q2 these flip-flops lead to lamps 8515, 8517 and 8519. The Output Q2 of flip-flop 85o9 is via an inverter 8521 with an input of the AND gate 8507 and, like the output Q2 of the flip-flop 85II, via an OR gate 8523 and a Inverter 8525 connected to one input of AND gate 8503. Between the scanning device 123 and the one input the AND gate 850I is also an inversion stage 8527. The inputs S1 of the flip-flops are connected to the connection terminal MZA.

? 09830/0138

The circuit X-Test 85o is to ensure that the sampling an artist's drawing 1 begins exactly at the desired beginning of the line or ends at the desired end of the line will. The exact start at the beginning of the line is ensured during the scanning process by the MZA signal after with the drum 1o1 at rest, the marking 117 (FIG. 2) has been precisely set. Whether the scanning is exactly through the marking 119 (Fig. 2) ends certain line end depends on the setting of the XRMZ counter 803, because the Number of raster points per line, which is set by the XRZ counter 804, from the outset by the desired one Rapport or the desired number of points per line is specified. The XRMZ counter 8o3 must therefore be used before the start the scanning the width of a raster point in line direction can be set so that the total width of all Grid points corresponds exactly to one line length.

Since the XRMZ counter 8o3 can be set very precisely ¹ , an approximate calculation is first made of the value to which it should be set. The drum 1o1 is then set in motion by pressing the start button 833 (FIG. 8). The Y stepper motor 1o7 can remain switched on or switched off.

After the arrival of an MZA signal (see. Fig. 8), the sets all flip-flops in FIG enabled, whereby the XRMZ counter 8o3 begins to count. When the set number is reached, the XRZ counter 8o4- - moved one step further, which means that dor first Raster point is scanned. After scanning all the raster points set by the XRZ counter 8o4 appears at the output A of the XRZ counter 8o4 with correct setting dos XRMZ counter 8o3 exactly at the same time as the same MZE signal of the scanning device 123 a signal »Appear

209830/013 8

both signals at the same time, the light will come on 8519, because the flip-flop 8519 em early Q2 is set. In contrast, the two lamps 8515 and 8517 do not light up because the AND element 85o7 does not pass any signal to the associated flip-flops for the duration of the XRZ signal and the AND element 85o1 for the duration of the MZE signal.

If the XRZ signal appears before the MZE signal, then lights up the lamp 8515 comes on, since it was on before the MZE signal appeared Both inputs of the AND gate 85o1 have a "1" · The other two lamps do not light up because the Flip-flops are set with the trailing edge of pulses, and when these trailing edges appear, that Flip-flop 85o9 is set so that the AND gates 85o7 and 85o3 an "O" is present when the MZE signal arrives. The same applies in the event that the XRZ signal arrives later than the MZE signal. In this If so, only the 8517 lamp lights up.

When the lamp 8515 lights up, the width of each Grid point can be increased by a small amount so that by setting the XRMZ counter 8o5 to one larger number of XRZ signals appear a little later. Conversely, the XRMZ counter 8o3 must be set to a smaller number when the 8517 lamp lights up. The finer the XRMZ counter is adjustable, the more precisely the appearance of the XRZ signal can match the appearance of the MZE signal be adjusted, in the ideal case even down to a value that is smaller than the width of the signals MZE or XRZ is.

A Y test corresponding to the X test is not absolutely necessary in the device according to the invention. When the device is put into operation, the scanning head 2 is first stretched onto the first line of the drum 1o1

209830/0133

- 50 -

. Artist's drawing 1 discontinued «, then the YRMZ counter 8o1 set to the calculated number and the central control unit is put into operation with the synchronous motor 1o9 switched off. This is in a Test run of the sledges to the last line of the artist's drawing. With the right setting of the YHMZ counter, the readhead stays exactly above the last line. If this is not the case, then "with a changed setting of the YRMZ counter 8o1 Test runs carried out until the set number is correct. '

In contrast to the X-test, "the Y-test can be carried out with the drum at rest _s so that an automatically operating device is unnecessary for it" The circles surrounding the crosshairs are facilitated, whereby the circle visible in the eyepiece makes precisely that area of the drum visible which is captured by the optics of the scanning head.

The setting of the grid dimension can be made extremely precisely with the help of the memory counter 871 and the YRMZ counter 80I. The memory counter avoids adding up the errors per raster point, which are unavoidable due to the setting of the YRMZ counter 80I, so that the total error remains smaller than one motor step after each Y feed made. If one motor step corresponds to an advance of the slide 1o5 of 0.05 mm, then the total error at any point in the artist's drawing -A is always less than 0.05 mm. The memory counter 8? 1 can be permanently set or adjustable. When using an adjustable memory counter β 8? 1, the YRMZ counter 80I can be permanently set.

209830/0138

The mode of operation is described below with reference to FIGS. 4a, 5, 6 and 8 of the essential part of the device according to the invention for scanning an artist's drawing.

After performing the X and Y tests and the associated Setting of the various counters are initially all by pressing a clear button (not shown) Flip-flops set to their output Q1. Then the AND gates are activated by pressing the "scanning" button 8o9 813, 841, 86J, 893 and 819 prepared. The scanning process then runs fully automatically when the start button 833 is pressed.

By pressing the start button 833, the AND gate is prepared for passage, so that the synchronous motor 1o9 the Drum 1o1 drives with the scanning speed. At the same time, the start signal is given by the delay stage 831 long delayed until the drum 1o1 has reached its full speed and synchronicity. Only then does the AND element become 829 prepared in such a way that when the next MZA signal arrives, the divider 817 is enabled. To the release the clocks of the divider 817 are fed to the XRMZ counter 8o3, from whose output the sampling clock is removed via the connection terminal AT. According to FIG. 5, the sampling clocks become the clock inputs of the shift registers 5o1 and 5o3 as well as the comparison counter 5o7 and according to FIG. 8 to the XRZ counter 8o4. As a result, the words formed in the coding and decoding unit 4 become (Color information) of a line is shifted into the shift register, whereby phase A in FIG. 4a is ended.

When all points of a line have been scanned, a signal appears at the output of the XRZ counter 804 which indicates the AND element 853 as a ZE signal of the logic 6 on the one hand

'2 09830/0138

(Fig. 6) and on the other hand to the start input of the clock 509 (Fig «5). This will make the Information blocks located in shift registers 5 © 1 and 5o3 at high speed to the end of the shift register 5o1, 5o3 shifted, while on the other hand the sampling clock is blocked via the AND gate 841 (Fig. 8).

If the information block is shifted to the end of the shift registers 5o1 and 5 <> 3 by the high-speed clock, a VZA signal _$ appears at the output of the comparison counter 5o7, which with a delay switches on the clock 511 and sets the flip-flop 859 to output Q2. In addition, the VZA signal switches off the clock generator 509 without delay and switches on the magnetic tape drive of the storage device 7. When the magnetic tape has reached its full speed, the clock signals of the clock generator 511 are used to record the information in the shift registers 5o1 and 5o3 via the logic 6 on the magnetic tape. At the same time, these clock signals are fed to the input of the XRZ counter via the terminal ZT. The setting of flip-flop 855 caused by the ZE pulse has no effect because the signal appearing at output B dos XRZ counter 8o4 only resets counter 8o4 when printing via terminal DE. By setting the flip-flop 859 to its output Q2, the next signal emitted by the XRZ counter 804, which indicates that all color information has been recorded on the magnetic tape, is fed via the AND gate 854 to the logic 6 on the one hand and to the flip-flop 535 on the other.

As can be seen from Fig. 6, the ZS signal causes dns during the previous counting cycle of the XRZ counter 804 in the flip-flop 6o7 stored ZE signal to the just recorded Information block is appended. If this tact

209830/0138

is over, the flip-flop 535 is set via the delay stage 537, so that now the clock signals of the clock generator 511 are fed to the clock inputs of the shift register 531 and the address counter 527 via the AND gate 533. The binary counter 529 is at this time at the address for the second information block , ψβϋ it has been set by one clock cycle by the previously appearing ZE signal. When the address has been written in, the address counter 527 emits the AE signal , which switches off the magnetic tape drive, switches off the clock <? ΛΛ and resets the comparison counter 5 ° 7 and the binary counter 527. In addition, the AE signal sets flip-flop 535 back to output Q1. The end of phase B (FIG. 4a) is hereby reached.

By the first counting cycle of the XRZ counter 8o4- during the ZE signal emitted in phase A is independent of dom just now 8, the clock of the divider 869 is also released with a slight delay has been, by which the stepping motor 1o7 is transported by exactly as many steps that the slide 1o5 with the scanning head 2 now above the second line the artist's drawing is located. The blocking of the clock signals of the clock generator 869 takes place after reaching this position via the YBMZ counter 80I.

After phase 0 has ended, the next MZA signal appears, by means of which the XHZ counter 804 · is reset again and the flip-flops 859 »855 and 875 are set to their output Q1. In addition, the down clock is released again via the AND gate 829

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The processes described are now repeated until the YHZ counter 8o2 emits the first y / 2 signal will. This y / 2 signal is then stored instead of the ZE signal in the iflip-flop 607 (FIG. 6) and instead of the ZE mark recorded on the magnetic tape? o1. Besides that the y / 2 signal is shown in FIG. 5 for switching over the Storage device 7 used from gate travel to return. These However, the switchover only takes place with the aid of the delay stage 539 when the last information block recorded has still been provided with the address for the next information block. When rewinding play each other Then, again, perform the operations described in a cyclical order, although it should be noted that track 9 of the Magnetic tape is read. As a result, the information blocks are not already! When the VZA signals appear, are recorded, but only when a synchronization signal appears at the output S of the storage device 7, that via the AND gate 523 the start of the clock 511 causes. The AND gate 523 is namely by the y / 2- • Signal instead of the AND gate 5 ^ 7 has been prepared.

After scanning the last line of the artist's drawing 1, a second y / 2 signal appears at the output of the YRMZ counter 8o2, which in addition to the processes initiated by the first y / 2 signal causes the output of the to the number 2 When the counter 883 is set, a signal appears which is fed to a limit switch (not shown) via the OR gate 887 and the delay stage 889. The delay stage 889 is set in such a way that, although the address for the first information block is still recorded, the magnetic tape cannot be restarted in the forward direction. In addition, the signal of the counter 883 is used to reset the flip-flop 891, whereby the synchronous motor 1o9 is stopped «

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According to FIG. 3, all information blocks are now on the magnetic tape 701 7o3 recorded in the manner of an endless loop, so that the magnetic tape by alternately switching can be read as often as required from forward to reverse or vice versa, without having to rewind the magnetic tape Time would be lost. This type of recording on the magnetic tape also has significant advantages over using one glued together to form an endless loop Magnetic tape, because the length of such an endless loop would depend on the number of information blocks to be recorded, if not between the last There should be too large a gap between the recorded information block and the first recorded information block.

The information recorded on the magnetic tape can now be produced directly with the aid of suitable devices a tax strip or for direct control of a Machine 13 (Fig. 1) can be used as described in a parallel application from the same day to which this is expressly referred to.

A particular advantage of the invention is that the stored information is first read out and converted into a sample cartridge with the aid of the device described so far Ίο can be printed out. This not only makes it possible to determine whether the information stored is actually used lead to the desired pattern. Rather, the sample cartridge can also be corrected line by line or completely for as long until the stored information corresponds exactly to the desired pattern. Another essential one The advantage is that the machine 13 with the magnetic tape 7o1 can be controlled before a control strip is produced. Is it a knitting machine, then the customer can produce a sample product and check it before finally deciding to produce the Tax strip resolves.

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The following is based on Figures 4b, 7 and 8 of Printing process described «He again begins by performing an X and Y test and using a clear button, all flip-flops can be set to output Q1. the information lock 559 on Passage is switched, by pressing the key "Print" 81 ο the AND gates 84-3, 814, 885, 823, 85? and 861 prepared. After subsequent actuation the start button 835 begins to rotate the drum 1o1 as in the scanning process, but with it a speed caused by the divider 8 * 12, in the ratio 5i1 lower, because this is for reasons of Printing accuracy is more advantageous. In addition, the AND element 823 is prepared by the key 81ο, so that the printer clock appearing at the connection terminal DT also has a frequency that is ^ m ratio 5 * 1 lower.

By pressing button 833, magnetic bond drive is started as shown in FIG. 7. As a result, under the control of the "read-strobe" clock, the words of the first information block are transferred to the shift registers 551, 553? 555 ■ and 557 pushed. The comparison counter 569 can be decoded to any number at its output A. The set number decides how many raster points of each line should be appended to the end of each line (repeat connection in line direction). It is assumed in the following that the comparison counter is ^a 569 uf ^ ^{e Zanl} m = 2o set. As a result, after the first 20 words have been written into the shift registers 555 and 557, the lock 559 becomes effective, so that no further information can be entered into these shift registers.

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However, lock 559 does not prevent that these 20 words by the "read-strobe" clock parallel to the first 20 words in the shift registers 551 and 553 can be pushed further. After reading out an information block 7o3 from Magnetic tape, a ZE signal appears at the output ZE of the logic 6, which on the one hand drives the magnetic tape turns off and on the other hand turns on the clock 563, so that the in the shift registers The information that is located is now shifted at high speed to the end of the shift register. When the end of the shift register is reached, the comparison counters "565" and 569 give a VZD signal from, by which the clock 563 switched off and the Comparison counter must be reset. This is the Phase D (see Fig. 4-b) completed.

Phase F is initiated by an MZA signal which in the central control unit 8 is the divider 817 is enabled, so that the output signals of the XRMZ counter 803 appear as printer clocks at the terminal DT-. These printer clocks are first sent to the clock inputs of the shift register via the AND gate 573 551 and 553 supplied because the AND gate 575 by the Output Q2 of flip-flop 577 is not prepared. As a result, the first line will be a full line information corresponding to the sample cartridge to be produced is shifted out of the shift registers 551 and 553 and via the coding and decoding unit 4

forwarded to the printer 9. The printer clocks are counted in the XRZ counter 8o4 from the central control unit 8.

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However, when the set number of this counter is reached, the Printer cycle blocked because with the IMD-GIied 841 not the "Print" button 81o is connected. Rather, through the output signal of the XRZ counter 8o4 Generates an RA signal via the AND gate 861, which according to Fig.? sets flip-flop 577 to output Q2, so that the printer clocks are now via the AND gate 575, Shift registers 555 and 557 are supplied. Through this the first 20 points of the line just printed are immediately after the end of this line reprinted.

The counter 8o4 starts to count again because it has been reset by its output signal, the printer clocks, however, still persist »Due to its output signal, the 855 flip-flop is also on the output Q2 has been set so that the AND gate 857 is now prepared. This AND gate 857 is when the XRZ counter 8o4 reaches the number set at its output B, a signal is emitted, which on the one hand, as a St signal causes a new magnetic tape start and on the other hand both an AND gate via the terminal DE 84J as well as the flip-flop 577 of FIG resets output Q1 '. Since the other input of the AND element 843 is prepared by the "Print" button 81ο is, the DE signal reaches the delay stage to the release circuit 873 »whereby, as in the scanning process, the carriage 105 is transported by one raster point is effected in the Y direction «In addition, the DE signal is sent via the AND gate 843 to the release circuit 827, which blocks the printer clock · Finally, the DE signal causes the XRMZ and the des to be reset XRZ counter. This is the end of phase F (Fig. 4b) achieved·

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The output B of the XRZ counter 8o4 can, if the different colored Printer pins 1o8 (Fig. 2) are arranged so that they all ■> print on the same point, must also be set to the number 2o, since in this case printing a full line is finished when the 2o. Point of the line has been printed for the second time. According to the invention However, in order to achieve a higher printing speed, a printer is used whose different colored Printer pens by 24 grid points from each other are spaced. In the case of four-color printing, three printer pens 108 are therefore provided, with the two outer printer pens are spaced apart by 48 grid points. The fourth color is the color of the backing of the cartridge so that this color does not need to be specially printed out. It follows that the signals appearing at the output of the coding and decoding unit 4 through delay stages, for example the Shift registers 11 and 12, each by as many printer cycles must be offset against each other, as the printer pins 1o8 of the printer are observed from each other. Since the If the maximum delay is 48 printer cycles, the printer cycle must not be set when the XRZ counter is set 8o4 are terminated by B ■ 2o, but only at a position of B = 68, so that through the shift register, too 11 and 12 can still be printed out. The fact that the printer clocks shifting Acting temporarily on empty shift registers 555 and 557 is irrelevant, because it only does this Words "00" are pushed out, those of color 4 and so that the color of the base of the sample cartridge 1o are assigned.

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After the DE signal appears, the magnetic tape becomes 7 ° 1 restarted to read out the next information block. This is followed in a periodic order the processes already described until a y / 2 signal appears at the end of the first half of the information blocks, through which a switchover from forward to reverse is effected.

After the last line of the sample cartridge has been printed out, there is also a repeat connection in the Y-direction of the sample cartridge instead of. This report connection is set by the YRZ counter at output B. For example is it is possible, after all lines of the original artist's drawing 1 have been printed out, to repeat the to print out the first η = 2o lines with a line report. In this case the output B of the YRZ counter 8o2 is on 2o set.

If the second y / 2 signal is output by the counter 883 cLas, therefore, in contrast to the scanning process, no E signal is generated. The DE signal, which after printing of the last block of information is issued, rather initiates a new start of the magnetic tape in the forward direction a. After the first 2o stored information blocks have been read out and printed out again, the AND element 885, which has already passed through the static output of the counter 883 and the "Print" button 81ο is prepared for the output B of the YRZ counter 8o2 signal coming as an E signal cause the end shutdown of the entire device.

The particular advantage of the equipment used for printing is that the artist's drawing, although it is drawn without a repeat connection, with

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Report connection can be printed out. The designer can therefore not only carry out any corrections to the report yourself, but also determine whether the Repeat connections in the X or Y direction are correct and If necessary, make corrections here as well.

The invention is not restricted to the exemplary embodiment described, since there are numerous possible variations exist. For example, it is possible to omit the buffer and the magnetic tape directly when scanning 7o1 or when printing directly from the Mognet tape 7o1 to be controlled from printer 9. The benefit of dos The intermediate memory, however, consists in the fact that different scanning or printing speeds are used can and that the scanning or printing speed is completely independent of the prescribed tape speed is. This makes it possible to scan raster points with edge lengths between 0.6 and 3.0 mm without difficulty or to print. In addition, since all processes are controlled by the common clock generator 8o5, the result no synchronization problems

It is also possible, from the exemplary embodiment described, to scan-store-print with the selected sequence of the overall report to deviate in that with two drums Ιοί worked and the sequence scanning-Einspcichem-printing is selected for each individual line. However, this would require the read or write heads the storage device 7 to be arranged in such a way that both the forward and the reverse, the write heads are arranged in front of the lone heads and consequently the stored information can be read out again immediately. For this embodiment, either A sufficiently large part of the drum used for scanning can be exposed freely to allow the printing process to take place allow, or the two drums could per

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Reverse line twice, being scanned during the first revolution and during the second revolution is printed. Here, both the scanning head and the printer could be on the same drum and even on the same rails 1o3 or the same Slide 1o5 be arranged because the Y feed would only have to take place every two revolutions.

Instead of the magnetic tape storage device 7, others can also be used Storage types are used. However, the magnetic tape memory has the advantage that it is relatively cheap and that the information blocks, as long as they are small reports, are not necessarily addressed will need.

When choosing a different memory, make sure that the access time to the individual information blocks remains small. Should the memory, for example, be used to directly control an electronically controllable knitting machine are used, then at no point in time is it allowed to search for and read out information or an information block take so long that the continuous knitting cycle of about 1000 Hz cannot be maintained. If, for example, a magnetic tape is written on continuously, i.e. not in the form of an endless loop, then the magnetic tape would have to after reading out the last information block, rewound to read out the first information block again which takes a lot of time, especially when it comes to reports with a large number of Lines and each line leads to a block of information approximately 100 milliseconds long.

In addition to magnetic tape storage devices of the type described, disk or drum storage devices are particularly suitable, for each groove or track a read or write

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own head. A core memory with a matrix of 50,000 or more would also be conceivable if this is taken care of that the stored information is retained when switching off.

According to a further embodiment, instead of line-by-line recording, point-by-point recording can be used starting and stopping the magnetic tape for each point. This is particular inexpensive for small repeats and enables them to be corrected point by point.

The invention is also not limited to a point Control of printer pins 1o8 limited. Preferred Rather, devices can be provided by means of which the printer pen (s) in each case so long against the template can be printed as the color to be printed remains unchanged, so that a line-shaped record is created results.

The report connection can also be made with just one shift register whose information output is with the information input is connected so that the information is pushed all around. For repeated printing In this case, the start of the report is the first m of information between two printer cycles in rapid cycle pushed forward.

The information blocks can also be stored in other storage facilities, e.g. disk or drum storage systems, can be recorded in the form of an endless loop by initially For example, only tracks 1,3,5 ... y and then tracks y-1, y-3 »» «4-, 2 can be written.

Finally, the device described can be expanded for any number of colors by placing it on the magnetic tape Any number of endless loops can be formed with the same number of tracks, e.g. for three colors each all information included. In these cases, however, several scanning and printing cycles are required,

209830/013 8

Claims (12)

Claims 1) Device for printing out a multicolored sample cartridge, containing a scanning head for scanning an artist's drawing or other sample cartridge, a The color evaluation circuit connected downstream of the scanning head and one controlled as a function of the detected colors Printer, characterized by a device (555 » 557 »559) to automatically print out the first m points of each line of the sample cartridge (1o) following on the printing of the associated complete line. 2) Device according to claim 1, characterized by a device (7) for automatically printing out the first η Lines of the sample cartridge (Ίο) following the printout of a complete report with eapport connection in the direction of the line. 3) Device according to claim 1, characterized in that at least one shift register (555 »557) is provided for producing the repeat connection in the row direction is in which the first m sampled -points, one Line corresponding information is cached and from which this informational before printing the next line can be read out again. 4 ·) Device according to claim 2, characterized in that a buffer (7) is provided in which the first Information corresponding to the scanned lines is temporarily stored until a complete report has been completed will. 209830/0138 5) Device according to one of claims 1 to 4-, characterized characterized that between the Farbauswertungsscholtunc (?) and the printer (9) a storage device (7) for permanent storage of all information received from a complete artist's drawing (1) or sample cartridge (1o) is switched. 6) Device according to claim 5 »characterized in that all one line of the artist's drawing (1) or Munterpatrone (1o) corresponding information is stored in the form of a coherent information block (7 <> 3). 7) Device according to one of claims 1 to 6, characterized in that the storage device (7) is an intermediate storage (5) is connected downstream, in each of which a full information block is entered during the printing process. 8) Device according to claim 7i, characterized in that the buffer has two parallel shift register stages (551 »553 or 555» 557), one shift register stage (551 »553) a complete information block (703), the other shift register stage (555» 557) on the other hand only takes up the first m information of an information block (7o3). 9) Device according to claim 7 »characterized in that the buffer has only one shift register stage and the information outputs are connected to the information inputs 10) Device according to claim 6 or 7 * characterized in that that the information blocks (7o3) are stored in such a way that the information block assigned to the first line is accessible again immediately after reading out the information block assigned to the last line BAD ORiGINAL 209830/0138 _ 54 - 11) Device according to one of claims 5 to 1o, characterized in that that as a storage device (7) a magnetic tape, plate, drum, core, punch card, punched tape or magnetic card memory is provided. 12) Device according to claim 11, characterized in that that the information blocks (? o3) are recorded in the manner of an endless loop. 2098 3 0/0138