JPS58501891A - Raster image processor and method thereof - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Raster inoprocensor and method thereof The present invention generally relates to raster inoprocensor and its method. 90 generation knowledge, and furthermore, if the KW is specified, binary raster data can be generated from symbolic input commands. - Concerning O processors and methods for generating scans. In recent years, production of printing boards, printed wiring board production, recording and transmission of 2-yo images, etc. Conhi is used for building buildings.

Nieter is used with laser engraving (for example, U.S. Pat. No. 4, 240, 119 is a 1-h computerized machine that is especially suitable for printing 2 printing plates. The laser engraving device was explained and understood, published on May 24, 1979, issue number 4. 2,133 is a laser engraving machine used to create artwork for printed wiring boards. U.S. Pat. It describes the facun milli device for forming grooves. For each of these = i, The laser beam scans the output medium in a raster pattern 1 and -! The image that is produced It is modulated according to binary data that defines the page. Suitable for beam modulation For the purpose of supplying data through sequence 1, a serial bit stream is required. and computer-driven equipment; the need for two bit streams; The computer used for such equipment is sufficiently fast relative to the rest of the equipment. This resulted in the inability to supply data due to roundabout circumstances. .

Typically, a symbolic input command produces serial output data. SUMMARY OF THE INVENTION It is an object of the present invention to provide new and improved pro-sensors and methods. This is one purpose of

Another object of the present invention is to reduce the occurrence of Art Two 2 for laser engraving and printed wiring boards. or intelligent copiers, i.e., computer-driven copiers. Radar engraving is a process with the aforementioned characteristics that makes it particularly suitable for use in i. An object of the present invention is to provide a processor and a method.

For these and other purposes, each group of scanlines in character memory , load the depiction O data for all of the characters to be imaged.

Also, each scan line (τ) that howls in the character store is By loading non-policy input commands for the This is achieved using This input command ゛d, the character in the character memory Ai of drawing data regarding the character: As with Luz, each character Define the X and yu positions of the vector. Input command data for a given scan line When the data is completely assembled into the character store, it - The input command data for another line is sent to the buffer and the character store is It is free for data assembly. Beano scans the output medium in lateral df As time goes by, Ki Tokuyo Akira! '18-fit H8! 11 (3) Yaracters No Fu r middle The data for depicting f''17 is retrieved from the character memory. 1. The modulation of the light beam caused by the Syrian I was sent out. /C converted Ru. In one preferred embodiment, this depiction data is a compressed actual travel length mark. It is stored in an encoded format and provides a serial output stream. The compression will be released in FIG. 1 shows an embodiment D block of a raster image processor according to the present invention. Figure 2 shows the character memory in the 11th stage IH. The information about the character is encoded with a running length code for storage. This is a diagram showing the data for depiction in a cedar-like manner.

Figure 3 shows the non-policy input commands used in the example of Figure 1 (τ2). Figures 4 and 5'' are diagrams representing the This is a flowchart depicting the edict 1'.

In the z1 diagram, the raster image processor is computer 1] and The engraving device 12 is shown connected to the laser engraving device 12. computer is deinotal Microcomputer-0PDP-11 manufactured by Equipment Company Input terminal and magnetic memory disk'k# etc. Any suitable computer equipped with common peripherals It may be.

For example, the Lee IJ''-engraving device is disclosed in U.S. LIil Patent No. 4,240,119 and Other patents/caps referenced therein that are detailed VC-described types of records. It can be a user plate making machine. In order to provide a signal representing copy 0-, put this Generates a leading laser beam that scans the input copy in a raster pattern (/C). A device for scanning a raster output medium and a light 1) - a laser beam for scanning a raster output medium; Generate a copying device and a Saran ζ to form a copy image on the output medium. The input signal has an O-wave and thus modulates the light beam with a 0-signal ( .

The present invention makes it possible for Shin 71 click input Kakoman 1:'' to be set in the tights writer. Most of the output images are alphanumeric characters. A laser engraving device such as a printer (if any, even one The invention includes other O devices, printed circuit board artwork, line art and O logotypes. D, I thought it could be applied to the t character as well, so I'll write it here. The word character used is Alpha 221 Melink character and 1 general character. Any type of printing contained in the output image, not just cells. The words ``artwork'' or ``information'' will be understood. like that The data used to describe the artwork is a waste of information.An example is the reading of a plate-making machine. The beam scans the equivalent figure, and the resulting signal is converted into a digital digital form. It can also be generated by converting it into a cloak.

The image processor has a data bus 16 and a data output node 17. The data is Computer 11's pass system or Rat Runner] -8t j-j: The input data is transmitted at the 19th floor of Karanochi, and the data is output. ・Output from Gusu 17 to Computer Pesunste 21 and Transceiver ・Gu-18: (So it's a DI from Computer Noxunstem) S-less signal j'j: to lane A-22, decoder 23 and buffer 24 Therefore, the input path 16 is given to the core controller 26'ri, the computer transmits control signals between the computer system and the image processor.

Character memory 28 is a character that makes up the image to be formed. −〇ta v), 7) Provided to store drawing data, address 1 It is combined with the counter 29 Bako○ memory. More details later (The data for depiction is displayed by a computer, and the character image is Loaded inside Molly.

As depicted in Figure 2, the data for depicting the character The data is compressed into a running length encoded format and stored in a vector memory. this data 'ri 2 9 running length bytes c bits O-5, upper and 6-11), color bits bit (bit 12), mode bit (bit 13) and two opcodes pinot 'To(B6) It is constructed as a 16-bit word consisting of 14-15) bits o-1. 11-1: Imaged in color (black/white) specified by color pit 12 Specify the required travel length. Specified by load bit 13td bits 0-11 The image bits that are This indicates whether or not it will be treated as such. If the mode bit is 0, beep) O-1 The entire run of bits denoted by 1 is the color specified by the color bit. imaged. If mode pit is 1, bits 0-11u are separated by two Words that are treated as words and are defined by picho-5 are defined by color pits. The word imaged in the specified color and defined by bits 6-11 has the opposite It is imaged by color How does the opcode bit 14 and 15 decompressor solve the LC code? Please show me how you interpret it.

It is determined according to the following table.

Bit 15 Bit 14 Interpretation 1　0　Character - This as a depiction Decompress the word and get the first word Continue to.

0 1 This is the maximum value for this scan line. This is a later visit. decode this word Press and character ni leech Curse.

Special costume Showa 58-5 (118! II (4) 0　0　(Regarding Tate U Comple Nonyon) This word is used as The next code is the number 1 indicated by repeat C 1 1 This is this scanning line and.

This is the final word regarding description.

This word is compressed and secondary Continuing with D character Character store 31 stores the characters to be imaged in a given scan line. -Accumulates non-polygon input commands and also uses address color 7 32 is linked to this store. This numbolic entry command is character and loaded into the character store. As shown in Figure 3 The symbolic code for each character is in four 16-bit words, as shown in configured. , bits 0-14 of the first word are characters in the output image - bit 151ri, and whether the character is valid, i.e. whether it is It indicates whether something has already been imagined. The second word is character memo Specifies the starting address of the character depiction in the tree 28, and the third word is used. The -4 word is removed from the repeat code for redundant compression. ing.

If the number link data in a given scanline is sufficient in the character store Once assembled, it is transferred to the Soreke character no. The character store is then free to begin assembling data for another line. becomes. The buffer control 371 is operated in conjunction with the buffer 36.

The decompressor 41 encodes the running length from the character memory 28. This is provided to convert the data into a serial bit format (serial bit format). The serial output data of the plate-making machine is adapted to the mononirator for the descriptive beam. The data is stored in the dual line buffer 42 as shown in FIG. The address counter 43 is Compressor 41 and line buffer 42: are connected.

Central processing unit (CPU) 46? ;tProcessor〇Controls operation. This O P　TJd arithmetic and logic unit (AT, U) 47 and micro related to ALU It has a writable control store (WO2) in which instructions are stored. My Sequence 1 in which a black instruction is executed, multiplexer 51 receives input It is controlled by the microprogram sequence +t--49. Out of WaS The commands to be input are stored in Evelyn Lenoster 52 and one command is executed. The next instruction is fetched at a speed of 4,126 nanometers. Achieve faster instruction execution time. In the preferred embodiment, this CP IJ is L from ST Micro Devices' 2QOO microcomputer family Consisting of SI bipolar bit slice elements, they are fast Image processors with excellent performance and device reliability are A processor or processor that interfaces directly to a processor 200A When in the host computer mode, wcsh microinstructions from the host computer The processor can be loaded by communicating the run mode When it is, it also executes the microinstruction.

Reads directly from host computer memory without processor requests Koto has extraordinary abilities. WC8 output register 56-58id Load mode A to the host computer; read the contents of CWC848. make it possible to

Image Nobro sensor @1' and the present invention that can be used for one chamber and one chamber. Law No. 4-51 S○Takumi r1. This will be explained in detail with reference to the figures. image Before you start.

The computer 20 generates character drawings for each character in the output image. Load the image into the character memory 28, and save each character in the character memory. The data V=starting address regarding the vector is passed to the computer.

Scolding the character in the image: Once the related descriptive data has been transmitted, the common All characters with the target tc y address (in the character code related to C) The corresponding character store 319 is loaded into the character store 319. . This y address was also forwarded.

A flag bit is set when all of the data for a given line has been transferred. It will be done. At this point, the image processor begins processing.

The pro-sensor is synchronized with the output beam set and the y-scan line counter is When matched with the character code y address, the data from the character 7 store is It is transmitted to the character sofa 36. At this time, the computer Input command or character code for Oth next scan line during storage. Asen Bling r can be started.

CPU46u reasonable character - Character related to code F - ζ Sofa set meal do. When one is discovered.

CP tJ stops scanning and is also pointed out by the character code Fetch the first word of the character description. Decompressor 41’d this Tacho/press the data, and then convert it to the scan line/S sofa 42 (tei<, scan Data in line buffer■Address Hachi-compressed character's X position The position address When all the data related to the character part l/c is decompressed, 0PU Start scanning the character δ sofa with the i next appropriate character code ( Melt.

When the part of the ○ character in a given scan line is completely imaged, the The appropriate data bits for the character are cleared and the character is stored. The part of the character sofa that is piled up is the one with the correct character code. This processing used in Me( reaches the end of v data in Characters Sofa When the line is continued at the beginning, the processor waits at the beginning of the next scan line and stops at the end. Reason is manipulated.

At an appropriate time, the scan line data loaded into the scan line is processed by the laser engraving machine. After a while, the output beam is modulated accordingly. The computer stores the character call l-'''○ next line in the character store 31. Load into.

For vertical redundancy, the number of bits defined by the run length code of the depiction data is , the character is transferred to the 36 medium O repeat code, and the number of tricks', - is subtracted for each successive scan line.

The image processor and method of the present invention have many important features and advantages. Ru. Generate 2 raster scans using the non-polished Kafka commands. , and they are even more efficient than computers ever offered. 7 real output data is generated. Processor and method for laser engraving device Although described in connection with these other uses, It can be equally applied to

From the previous discussion, we have learned that new and improved laser image processors and It is clear from what has been provided that there is only one specific example of the preferred embodiment. Explained t'1. It seems obvious to engineers who are one meter deep in their field that they like H. However, if we move away from the viewpoint of the present invention as defined in the scope of the patent claim, there will always be a certain change. Changes and modifications may be made.

Oya code M C byte ■ Byte IFIG, 2 FIG.3 Country 1;7 investigation report

Claims (1)

[Claims] 1 Serial output data from non-polish input command ([-Gloss, MfJ record The data is then scanned in a raster fashion by the modulated beam onto the output medium. If you want to create an image in the form of a raster image, Leave it behind. A group of scan lines - a depiction of multiple characters being imaged. Clear character memory and relevant commands are used to store data for displaying meals. Each of them has 111 characters in 111 characters, i) m position, and data and keys. Character - Contains the addressee of descriptive data related to the character in character memory. /input for character K to be printed during a given scan line Rick's Kakoman 13τ spies 7 character stores and characters -/SS Sofa, one ○ scan from the character store to the character's sofa Green ('to transfer all related input command data, r) 4 position and its scanning line Beam D 'D-t>Yohi Character - Think about the data in the buffer and Delineate or display each successive character in a scan line from character memory a device for outputting serial data on the line and providing serial output data on the line; An image processor characterized by having: 2. Character VC-related depiction data is compressed (compressed) into character memory. (press) format 4 A device for supplying not only the accumulated drawing data but also the hanging serial output data. O-decompression to transfer stored data from compressed format to serial bit stream 87) A processor according to claim 1, having a lesser processor. 3 The data for depiction is row naturalized with the running length code f hifomanod, ( ↓Prosensor as stated in Claim 2. 4 The output medium is a printing board, and the Tedashipolink input command is typesetting. Processor 35 described in claim 1, which is a processing command. Generates 7 real output data from the input code and changes it accordingly according to the @station data. An image is formed on an output medium that is scanned in a raster fashion by a tuned beam. According to the method used to D A space for accumulating drawing data related to characters in the character memory. step, and each of the commands represents the character - position # in the output image. Data 2 Yohi Character - Senyarakuta in memory - 7 related correction data The character to be imaged in the given scan line containing the address The step of accumulating the logical input commands in the character store, and the step of accumulating the Input command data related to the eclipse line from the character store the beam position and character information in the scan line. Character by character in the scan line depending on the data in the S buffer The step of extracting drawing data from the character memory and the step of extracting the drawing data from the character memory. processing the lost data to provide serial output data. A method characterized by: 6 Character-related drawing data is compressed into character memory. Accumulated on the mat, The data sent out from the rougher memory is streamed as serial bits as output data. 6. A method according to claim 5, wherein the method is converted into . 7. Patents where the depiction data is encoded in a running length encoding format. The method according to claim 6. 8 The output medium is a printing board and the serial input command is typesetting 6. The method of claim 5, wherein the method is a command. 9 Depictive data regarding the character is generated by a computer and A method according to claim 5, wherein the method is loaded into a character memory. . 10 Symbolic input command data is generated by the computer and 6. The method of claim 5, wherein the method is loaded into a character store. Synlink input data for 111 scan lines is loaded into the character store. When the data is being read, the data for the previous scanline is being processed. The method according to claim 5. 12 The laser beam scans the output along a continuous line in raster form. In a laser engraving device that forms an image on a force medium, the character Regarding memory, character store, and characters contained in images. relating to the characters in a given line of the depiction or display data and image. A computer device that generates non-policy input commands and a Each force command generates an output image, data or data that defines the at of the character in the image. and the address of the drawing data for the character in the character memory. It also stores drawing or display data in the character memory. A device and character for loading non-policy input commands during storage. ・Input command data regarding ζtufa and -1 run f= from character store a device for transferring data from the character to the character buffer, a device for transferring the D beam in the scanning line and and character--each successive character in the scan line in response to the O data in the buffer. - Retrieve the drawing data from the character memory related to the line, and There are 4 positions for supplying serial output data and a laser beam crosses one output medium. A device for modulating a laser beam with serial output data. A laser engraving device comprising: 13 Character-related data is compressed into character memory It is also used for extracting drawing data and supplying serial output data. ff1lt converts data from compressed format to serial bitstream 13. Apparatus according to claim 12, further comprising a decompressor. 14 Special cases where the depiction data is encoded in a running length encoding format. An apparatus according to claim 12. 15. If the output medium is a printing board and the non-policy input command is still set 41! as set forth in claim 12, which is an ing command! .