US3893100A - Variable size character generator with constant display density method - Google Patents

Variable size character generator with constant display density method Download PDF

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Publication number
US3893100A
US3893100A US427023A US42702373A US3893100A US 3893100 A US3893100 A US 3893100A US 427023 A US427023 A US 427023A US 42702373 A US42702373 A US 42702373A US 3893100 A US3893100 A US 3893100A
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Prior art keywords
character
matrix
size
component
printing
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Expired - Lifetime
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US427023A
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English (en)
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Charles W Stein
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Data Royal Inc
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Data Royal Inc
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Priority to US427023A priority Critical patent/US3893100A/en
Priority to JP49146706A priority patent/JPS5836348B2/ja
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • G09G5/26—Generation of individual character patterns for modifying the character dimensions, e.g. double width, double height
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/10—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/004—Generic data transformation
    • G06K2215/0054—Geometric transformations, e.g. on rasterised data
    • G06K2215/0057—Sizing and resolution changes

Definitions

  • the present invention relates to character generators in general and more particularly, to a point display system for displaying variable size characters which have a constant point display density.
  • CRT-matrix format character generators are used in a variety of applications. Representative examples of such generators are shown in the following U.S. Pat. Nos. 3,305,841 issued Feb. 21 1967 to Mr. Schwartz for PATTERN GENERATOR; U.S. Pat. No. 3,426,344 issued Feb. 4, 1969 to R. J. Clark for CHAR- ACTER GENERATOR FOR SIMULTANEOUS DIS- PLAY OF SEPARATE CHARACTER PATTERNS ON A PLURALITY OF DISPLAY DEVICES; US. Pat. No. 3,588,872 issued June 28, 197! to E. R.
  • the six component shapes are binary coded so that any character in a 5 X 7 format can be defined by only seven words per character.
  • the binary coding scheme for the size independent component shapes permits the use of a relatively low capacity memory and I/O buffer.
  • a standard matrix printer either impact or non-impact, is used to produce variable size characters.
  • the size of the characters is controlled by varying the number of points printed for each of thirty five components in a 5 X 7 matrix.
  • Other matrix configurations are possible within the coding scheme of the invention.
  • the scheme uses six different, size independent component shapes for each component.
  • Characters are defined through the 5 X 7 matrix in which each point may have one of the following six possible configurations: (1) empty; (2) a square in which the point is entirely filled; (3) half the point space is filled in by a triangle at 0; (4) half the point space is filled in by a triangle at 90; (5) half the point space is filled in by a triangle at I; and, (6) half the point space is filled in by a triangle at 270.
  • Each one of the six configurations is assigned its own unique binary code. Given a 5 X 7 matrix configuration, a row-by-row code can be developed for each character in seven fifteen bit numbers where each number defines one of the seven rows of points.
  • the resulting seven fifteen bit numbers provide a size independent descriptor for each character.
  • the size of the total character is varied by varying the size of each component shape, i.e., triangle or square, in both the X and Y directions. Since the output device of the preferred embodiment is a matrix printer, size expansion of the six component shapes is achieved by converting the desired size of each component shape to a series of points to be printed by the matrix printer. Thus, if a size 3" square is desired, the square component is converted to a square of points having three points on each side. Similarly, a size 4 triangle is formed by four points on each side of the triangle. Other degrees of expansion can be obtained by increasing the number of matrix printing points in each dimension of the six component shapes.
  • a character generator produces a seven bit output to drive the matrix printer. If the character size is larger than the seven vertical point printing line of a standard matrix printer, several passes of the printer will be required to define the character. However, since the spacing between each printing point of the printer remains constant, the matrix printing density of the character also remains constant even though the size of the characters may be changed from line-to-line and/or from document-to-document.
  • FIG. I is a tabular diagram illustrating the six size independent component shapes which are used to define the characters
  • FIG. 2A is a diagram of a 5 X 7 matrix showing the formation of the character 9" using the six component shapes illustrated in FIG. 1;
  • FIG. 2B is a tabular diagram showing a seven, fifteen bit number description for the character 9 using the binary component shape codes listed in FIG. I;
  • FIGS. 3A and 3B depict the formation of the triangle and square component shapes at sizes 3 and 4 respec tively;
  • FIG. 4 illustrates the formation of the character 9 of FIG. 2A at size 3 by means of three printing line passes of the matrix printer
  • FIG. 5 is a tabular diagram depicting in binary form the first pass printing signal input to the matrix printer for the character 9 at size 3', and,
  • FIG. 6 is a functional block diagram of the variable size character printing system.
  • FIGS. I through 5 the method of the pres ent invention is illustrated in FIGS. I through 5 and the apparatus for performing the method thereof is depicted in functional block diagram form in FIG. 6.
  • the generation of variable size characters is achieved in the present invention by defining each character through a matrix having a predetermined number of components with each of the components having one of a predetermined number of size independent component shapes.
  • the six, sizes independent component shapes 10a through 10f comprise, respectively, an open square or space within which nothing is printed, a filled in square in which the entire area is printed, a printed triangle at a printed triangle at 90, a printed triangle at l80 and a printed triangle at 270.
  • the six component shapes 100 through 10f are used to define the character nine shown in FIG. 2A through an N X M matrix 14.
  • the matrix is shown as a conventional X 7 matrix.
  • other matrix configurations can be employed in accordance with the invention to generate variable size characters having a different aspect ratio.
  • the matrix defines thirty five individual points 16 which are arranged in five vertical columns and seven horizontal rows.
  • Each matrix point has a specific component shape.
  • the point identified by Row 1 in FIG. 2A has a compo nent shape 10d, Le, a triangle at 90 while the point identified by Row 1, Column 5 has a component shape 10c, i.e., a triangle at 0.
  • Each one of the six component shapes 100 through 10f is assigned a three bit binary code as shown in FIG. 1.
  • a row-by-row code can be developed for each character 12 using seven fifteen bit numbers 18 where each number 18 defines one of the seven rows of points.
  • FIG. 28 illustrates the coding arrangement for the character nine shown in FIG. 2A. The resulting seven fifteen bit numbers provide a size independent descriptor 20 for each character 12. It will be appreciated that this coding scheme permits the use of the same amount of data to describe each character re gardless of the size of the character thereby substantially reducing the data storage requirements.
  • the size of the total character I2 is varied in the present invention by varying the size of each component shape 10a through l0fin both the X and Y directions. Since the output device if the preferred embodiment is a matrix printer, size expansion of the six component shapes is achieved by converting the desired size of each component shape to a series of points to be printed by the matrix printer. However, the same tech nique is applicable to the generalized form of the invention in which the component shapes are converted to a series of inside display points having one of two display states. In the first state, the display condition is visible while in the second state the display condition is invisible? Therefore, the term point display as used herein means a device which creates a visual image by means of a plurality of discrete points having two display states.
  • FIG. 3A illustrates a size 3 expanded square corresponding to the matrix point 16 shown in FIG. 2A.
  • the size 3 square is converted to a square of points 22 having three points on each side.
  • each matrix point 16 is defined by a square of nine matrix printing points having three points on each side.
  • a size 4 square or triangle is formed by four points 22 on each side of the triangle as illustrated in FIG. 38.
  • the visual display or printing point density is constant regardless of the size of each character. It should be seen from an inspection of FIGS. 3A and 38 that the spacing between and among the points 22 is the same at size 3 and at size 4. This arrangement significantly improves the visual appearance of the resulting visual display or hard copy print of the characters.
  • FIG. 4 The full expansion of the entire FIG. 2A character nine at size 3 is depicted in FIG. 4.
  • the formation of the nine point, 3 X 3 array which represents a matrix point I6 is depicted only in the area defined by Row 1, Column 1 of FIG. 4.
  • the visual display or printing points 22 are illustrated as a filled-in circle 220 or an empty circle 22b to depict, respectively, a point which is printed and a point which is not printed.
  • the socalled no-print points 22b have been omitted from the remainder of FIG. 4 again only for purposes of clarity.
  • each one of the individual component shapes 10a through 10f has been expanded to a size 3 by defining the component shape in terms of nine printing points 22 arranged in a 3 X 3 square.
  • Each component shape is visually presented by means of points 220 and/or no-points 22b.
  • the visual presentation of the individual component shape points 22 can be implemented physically in a variety of ways. As previously mentioned, in the preferred embodiment these points are printed or not printed by a conventional impact or non-impact matrix printer. However, it should be appreciated that the invention is equally suitable for any other type of visual point display, such as for example, lighted Scoreboards, stock quotation displays and cathode ray tubes.
  • the method of the present invention can best be understood from again considering an illustrative example.
  • the visual display of the enlarged character shown in FIG. 4 will be performed by a matrix printer having a print head which includes seven print wires arranged vertically and mounted on a horizontally movable carriage.
  • the print wires are selectively pulsed in the conventional manner as the carriage sweeps horizontally across the print line.
  • FIG. 4 it can be seen that the printing of the enlarged character nine can be accomplished by such a matrix printer in three horizontal passes of the printer. Each pass is identified in FIG. 4 by an appropriate label Print Line No. I", Print Line No. 2 and Print Line No. 3.
  • the series of points 22 (representing in the generalized form a visual display point 22a and no-display point 22b or in the specific embodiment a print point 220 and a no-print point 22b) is converted into a corresponding plurality of binary point display or printing signals shown in tabular form in FIG. 5.
  • the binary printing signals indicated generally by the reference numeral 24 in FIG. 5 have been arranged in the corresponding Row and Column configuration for a display or printing means having seven vertically arranged display or printing points per scan or printing line.
  • the binary printing signals 24 are employed preferably after buffering, to actuate a conventional matrix printer as will be described in greater detail below.
  • FIG. 6 there is shown in functional block diagram form the variable character size matrix printing system of the preferred embodiment of the present invention.
  • the major functional components shown in FIG. 6 are as follows: an EIA standard RS-232 serial interface 26, a random acess memory (RAM) 28, a read only memory (ROM) 30, a central processing unit (CPU) 32, a printer interface 34 and a conventional impact or non-impact matrix printer 36.
  • the ROM 30 has an expansion logic section 38, an interface control logic section 40, a matrix printer control logic section 42 and a character symbol table section 44.
  • the RAM has two input data buffers 46 and 48 and two output data buffers 50 and 52.
  • variable character size printing system shown in FIG. 6 can best be understood by examining the sequential operations of the system.
  • ASC-Il code is inputted to the serial interface 26 and converted to sixteen bit parallel form.
  • the parallel form data is then stored in the proper input data buffer. Assuming that both input data buffers 46 and 48 are empty, the sixteen bit parallel form date is stored in the first input data buffer 46. When input buffer 46 is full, storage of the date commences in the secone] input data buffer 48 and processing of the data in the first input data buffer is initiated.
  • the data in input data buffer 46 is processed to produce the expanded characters in the following sequence.
  • each character is used to index the proper character symbol table in the character symbol tables 44.
  • the symbol tables 44 contain for each character the component shapes 10 which define the particular character.
  • six size independent component shapes 10a through 10f are used to define each character.
  • these component shapes are three bit binary coded and stored for each character in the form of a seven word descriptor 20.
  • Each component shape through 10]" is expanded in accordance with the size specified in the input data.
  • the resulting binary point display signals are truncated for the proper scan of the matrix printer 36 and then stored in the first output data buffer 50 for that scan.
  • the preceding process is repeated for each character stored in the input data buffer 46.
  • a scan is printed on the matrix printer 36.
  • the input data buffer 46 is processed and the resulting data printed as many times as necessary (N times for character size N) to generate the desired number of scans for the matrix printer 36. It should be noted that this processing occurs in parallel with the printing of the previous scan.
  • the input data buffer 46 When the processing of the input data buffer 46 has been completed (although the printing of the data may not necessarily be completed) and the second input data buffer 48 is full, the input data again commences to be stored in the first input data buffer 46 and the data in the second input data buffer 48 is processed in the same manner as described above in connection with the data in the first input data buffer 46.
  • a method for producing variable size, matrix de' fined and point displayed characters comprising the steps of:
  • each character through a matrix having a predetermined number of components, said components each having one of a predetermined number of size independent, component shapes with each component being an element of the matrix;
  • each character through a matrix having a predetermined number of components, said components each having one of a predetermined number of size independent, component shapes with each component being an element of the matrix;
  • each character is defined through a 5 X 7 matrix having thirty five components.
  • each character through a matrix having a predetermined number of components, said components each having one of six, size independent, component shapes with each component being an element of the matrix;
  • each character is defined through a 5 X 7 matrix having thirty five components.
  • each character descriptor is formed from seven words.
  • each character descriptor is formed from seven fifteen bit numbers.
  • the method of claim 7 further comprising the step of buffering said converted printing signals before they are applied to said matrix printer.
  • signal generating means for producing a plurality of binary display signals for the point display corresponding to said series of points to be displayed with one binary state representing a display condition and the other binary state representing a nodisplay condition.
  • a character descriptor for each character which represents a matrix definition of the character in which each matrix component has one of six, size independent, component shapes.
  • said descriptor comprising a plurality of numerical character component shape codes which represent the component shapes of a specific character for each component of the matrix.
  • said numerical component shape codes being arranged on a matrix row-by-row basis to form a plurality of numbers which in turn represent the component shape codes on a row-byrow basis for the character;
  • size input signal responsive means coupled to said descriptor storage means for converting the size of each component shape defined by a descriptor into a series of points to be printed within each matrix component by a matrix printer with the matrix printing density of said printing points remaining the same regardless of the size of said character;
  • signal generating means coupled to said size input signal responsive means for generating a plurality of binary printing signals corresponding to said series of points to be printed with one binary state representing a print condition and the other binary state a no-print condition;
  • the character generator of claim 16 further comprising means for buffering said converted printing sig- 10 nals before said signals are applied to the matrix printer.
  • the character generator of claim 16 further com prising signal input means for addressing said character descriptor storage means in response to an input signal representing a character having a descriptor that is stored in said storage means.
  • signal format conversion means for converting said plurality of binary printing signals into a signal format that is compatible with the printing line format of the matrix printer.

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303670A1 (fr) * 1975-03-11 1976-10-08 Centronics Data Computer Procede et appareil d'impression de caracteres de taille variable
FR2324065A1 (fr) * 1975-09-12 1977-04-08 Seikosha Kk Appareil d'agrandissement d'un caractere forme par une matrice de points
US4044879A (en) * 1975-03-07 1977-08-30 Siemens Aktiengesellschaft Arrangement for recording characters using mosaic recording mechanisms
FR2347844A1 (fr) * 1976-04-08 1977-11-04 Hughes Aircraft Co Dispositif d'affichage par lignes a resolution elevee
US4070662A (en) * 1975-11-11 1978-01-24 Sperry Rand Corporation Digital raster display generator for moving displays
US4079367A (en) * 1974-12-28 1978-03-14 Kabushiki Kaisha Seikosha Apparatus for forming a character out of a pattern of separate display picture elements
US4107662A (en) * 1976-02-17 1978-08-15 Hitachi, Ltd. Character generator for visual display devices
US4118695A (en) * 1973-12-05 1978-10-03 Ricoh Company, Ltd. Data processing system
US4241340A (en) * 1978-05-26 1980-12-23 Harris Corporation Apparatus for generating displays of variable size characters
US4242678A (en) * 1978-07-17 1980-12-30 Dennison Manufacturing Company Variable size character generation using neighborhood-derived shapes
US4254409A (en) * 1978-12-15 1981-03-03 Quality Micro Systems, Inc. Control system for full line variable height and width character and symbol printing
US4254416A (en) * 1976-06-01 1981-03-03 Raytheon Company Variable size character generator
US4283723A (en) * 1979-05-29 1981-08-11 Motorola Inc. Apparatus and method for providing digital and/or bar graph displays of measured quantities
US4297694A (en) * 1978-05-18 1981-10-27 Thomson-Csf Symbol generator for a graphic console
US4322717A (en) * 1978-09-18 1982-03-30 Tokyo Shibaura Denki Kabushiki Kaisha Recording character configuration changing system
US4409591A (en) * 1981-05-20 1983-10-11 Wayne State University Variable size character generator
DE3213646A1 (de) * 1982-04-14 1983-10-27 Olympia Werke Ag, 2940 Wilhelmshaven Verfahren und schaltungsanordnung zum schreiben gerasterter zeichen
US4428065A (en) 1979-06-28 1984-01-24 Xerox Corporation Data processing system with multiple display apparatus
US4566002A (en) * 1979-03-30 1986-01-21 Canon Kabushiki Kaisha Data output apparatus capable of rotating data output therefrom relative to data input thereto
US4695835A (en) * 1982-11-19 1987-09-22 U.S. Philips Corporation Data display systems
FR2603721A1 (fr) * 1986-09-05 1988-03-11 Pitney Bowes Inc Imprimante de securite pour l'impression de signes postaux et son procede d'utilisation
US4907193A (en) * 1980-09-29 1990-03-06 Canon Kabushiki Kaisha Word processor using character group discrimination codes for variable pitch and logotype character control printing
USD308538S (en) 1988-12-05 1990-06-12 Miles Inc. Font of type
USD309154S (en) 1988-12-05 1990-07-10 Miles Inc. Font of type
US4942390A (en) * 1987-04-01 1990-07-17 International Business Machines Corporation Method and apparatus for generating a character image
EP0421491A3 (en) * 1983-07-18 1991-06-12 Pitney Bowes, Inc. System for the printing and reading of encrypted messages
US5159320A (en) * 1986-07-14 1992-10-27 Hitachi, Ltd. Graphic data processing system for extending font data into color data which is input into an image memory

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
JPS5753783A (cs) * 1980-09-18 1982-03-30 Matsushita Electric Industrial Co Ltd
JPS58105283A (ja) * 1981-12-18 1983-06-23 大日本印刷株式会社 文字パタ−ンの拡大方法
JPS58153355U (ja) * 1982-03-31 1983-10-13 株式会社中央製作所 Ｐｈ複合電極
JPS6062801A (ja) * 1984-07-30 1985-04-11 Hitachi Ltd 誘導電動機を備えた電気車

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US3331985A (en) * 1964-07-17 1967-07-18 Stromberg Carlson Corp Character generating system utilizing a cathode ray tube in which a portion of a plurality of electron beams are selectively defocussed to form the character
US3573789A (en) * 1968-12-13 1971-04-06 Ibm Method and apparatus for increasing image resolution
US3614767A (en) * 1968-02-19 1971-10-19 Rca Corp Electronic photocomposing system that forms characters of different point sizes
US3659283A (en) * 1969-05-09 1972-04-25 Applied Digital Data Syst Variable size character raster display
US3786478A (en) * 1972-08-17 1974-01-15 Massachusettes Inst Technology Cathode ray tube presentation of characters in matrix form from stored data augmented by interpolation
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US3331985A (en) * 1964-07-17 1967-07-18 Stromberg Carlson Corp Character generating system utilizing a cathode ray tube in which a portion of a plurality of electron beams are selectively defocussed to form the character
US3614767A (en) * 1968-02-19 1971-10-19 Rca Corp Electronic photocomposing system that forms characters of different point sizes
US3792463A (en) * 1968-10-24 1974-02-12 O Nilsson Apparatus for producing graphic images on an image surface
US3573789A (en) * 1968-12-13 1971-04-06 Ibm Method and apparatus for increasing image resolution
US3659283A (en) * 1969-05-09 1972-04-25 Applied Digital Data Syst Variable size character raster display
US3786478A (en) * 1972-08-17 1974-01-15 Massachusettes Inst Technology Cathode ray tube presentation of characters in matrix form from stored data augmented by interpolation

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118695A (en) * 1973-12-05 1978-10-03 Ricoh Company, Ltd. Data processing system
US4079367A (en) * 1974-12-28 1978-03-14 Kabushiki Kaisha Seikosha Apparatus for forming a character out of a pattern of separate display picture elements
US4044879A (en) * 1975-03-07 1977-08-30 Siemens Aktiengesellschaft Arrangement for recording characters using mosaic recording mechanisms
FR2303670A1 (fr) * 1975-03-11 1976-10-08 Centronics Data Computer Procede et appareil d'impression de caracteres de taille variable
US3991868A (en) * 1975-03-11 1976-11-16 Centronics Data Computer Corporation Method and apparatus for printing segmented characters
FR2324065A1 (fr) * 1975-09-12 1977-04-08 Seikosha Kk Appareil d'agrandissement d'un caractere forme par une matrice de points
US4129860A (en) * 1975-09-12 1978-12-12 Kabushiki Kaisha Seikosha Apparatus for forming a character by a matrix pattern of picture elements
US4070662A (en) * 1975-11-11 1978-01-24 Sperry Rand Corporation Digital raster display generator for moving displays
US4107662A (en) * 1976-02-17 1978-08-15 Hitachi, Ltd. Character generator for visual display devices
FR2347844A1 (fr) * 1976-04-08 1977-11-04 Hughes Aircraft Co Dispositif d'affichage par lignes a resolution elevee
US4158838A (en) * 1976-04-08 1979-06-19 Hughes Aircraft Company In-raster symbol smoothing system
US4254416A (en) * 1976-06-01 1981-03-03 Raytheon Company Variable size character generator
US4297694A (en) * 1978-05-18 1981-10-27 Thomson-Csf Symbol generator for a graphic console
US4241340A (en) * 1978-05-26 1980-12-23 Harris Corporation Apparatus for generating displays of variable size characters
US4242678A (en) * 1978-07-17 1980-12-30 Dennison Manufacturing Company Variable size character generation using neighborhood-derived shapes
US4322717A (en) * 1978-09-18 1982-03-30 Tokyo Shibaura Denki Kabushiki Kaisha Recording character configuration changing system
US4254409A (en) * 1978-12-15 1981-03-03 Quality Micro Systems, Inc. Control system for full line variable height and width character and symbol printing
US4566002A (en) * 1979-03-30 1986-01-21 Canon Kabushiki Kaisha Data output apparatus capable of rotating data output therefrom relative to data input thereto
US4283723A (en) * 1979-05-29 1981-08-11 Motorola Inc. Apparatus and method for providing digital and/or bar graph displays of measured quantities
US4428065A (en) 1979-06-28 1984-01-24 Xerox Corporation Data processing system with multiple display apparatus
US4907193A (en) * 1980-09-29 1990-03-06 Canon Kabushiki Kaisha Word processor using character group discrimination codes for variable pitch and logotype character control printing
US4409591A (en) * 1981-05-20 1983-10-11 Wayne State University Variable size character generator
DE3213646A1 (de) * 1982-04-14 1983-10-27 Olympia Werke Ag, 2940 Wilhelmshaven Verfahren und schaltungsanordnung zum schreiben gerasterter zeichen
US4695835A (en) * 1982-11-19 1987-09-22 U.S. Philips Corporation Data display systems
EP0421491A3 (en) * 1983-07-18 1991-06-12 Pitney Bowes, Inc. System for the printing and reading of encrypted messages
US5159320A (en) * 1986-07-14 1992-10-27 Hitachi, Ltd. Graphic data processing system for extending font data into color data which is input into an image memory
FR2603721A1 (fr) * 1986-09-05 1988-03-11 Pitney Bowes Inc Imprimante de securite pour l'impression de signes postaux et son procede d'utilisation
US4942390A (en) * 1987-04-01 1990-07-17 International Business Machines Corporation Method and apparatus for generating a character image
USD308538S (en) 1988-12-05 1990-06-12 Miles Inc. Font of type
USD309154S (en) 1988-12-05 1990-07-10 Miles Inc. Font of type

Also Published As

Publication number Publication date
JPS5836348B2 (ja) 1983-08-09
JPS50115431A (cs) 1975-09-10

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