US3528349A - Printer - Google Patents

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Publication number
US3528349A
US3528349A US547030A US3528349DA US3528349A US 3528349 A US3528349 A US 3528349A US 547030 A US547030 A US 547030A US 3528349D A US3528349D A US 3528349DA US 3528349 A US3528349 A US 3528349A
Authority
US
United States
Prior art keywords
symbol
recording media
character
symbols
storage media
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US547030A
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English (en)
Inventor
John Bragg
Albert Eng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Itek Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Itek Corp filed Critical Itek Corp
Application granted granted Critical
Publication of US3528349A publication Critical patent/US3528349A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1238—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
    • B41B17/00—Photographic composing machines having fixed or movable character carriers and without means for composing lines prior to photography
    • B41B17/04—Photographic composing machines having fixed or movable character carriers and without means for composing lines prior to photography with a carrier for all characters in at least one fount
    • B41B17/10—Photographic composing machines having fixed or movable character carriers and without means for composing lines prior to photography with a carrier for all characters in at least one fount with a continuously-movable carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J1/00—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies
    • B41J1/20—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies with types or dies mounted on endless bands or the like

Definitions

  • ABSTRACT A photoelectric printer for printing the charac- Asslgnee 'P' ters from a family having a large number of characters, such as Lexlngton: Massachusetts the Japanese or Chinese alphabet.
  • the binary code of 3 0/ 172.5, 1 9 each character to be printed in each column of the row is recorded beforehand in a buffer storage stage, and the output [56] References cued of each sensor is compared with the recorded code for each UNITED STATES PATENTS column.
  • the 3,204,540 9/1965 Blakely 95/4.5 p g light is flashed and that character is Primed on the 3,291,015 12/1966 M d 95/4 5 photosensitive recording media.
  • the recording media is then stepped to the next 3,319,516 5/1967 Brown 95/4.5X row Where the printing process is repeated.
  • the present invention relates to high speed electronic printers.
  • Print-out facilities utilized in conjunction with todays highspeed computers have been for the most part relatively slow and cumbersome relative to the computer operations themselves.
  • the problem is compounded where hundreds or thousands of different characters or symbols are to be rapidly printed.
  • it is desirable to rapidly print-outa line at a time of characters selected from a group of over 4,000 Japanese characters. Satisfactory solutions to the problem of rapidly and economically typing, type-setting and printing in the Japanese or Chinese languages have not as yet emerged.
  • FIG. 1 schematically discloses a preferred embodiment of the present invention.
  • FIG. 2 discloses a side view of a portion of the system of FIG. 1.
  • FIG. 3 discloses a portion ofthe character belt.
  • an elongated belt bearing transparent indicia of characters and associated identification code designations is driven over a photosensitive recording media.
  • a plurality of flashing circuits are positioned over the elongated belt, one circuit for each rowof characters to be printed on the media, light produced by each flasher passes through transparent indicia of a selected character to record the selected character on the media.
  • a code comparator is associated with each flashing circuit and causes its associated flashing circuit to flash when the sensed characteridentification code on the belt and under the'zflashing circuit is equal to a character selection address code, thereby to print the selected character under the particular flasher in the desired row of characters.
  • the addresscodes may begenerated by a conventional keyboard encoder or a computer and are inserted sequentially into a plurality of buffers stores, each of which addresses an associated comparator. Since a match will occur between each address code and the identification code of each selected character impressed on the belt once during each belt cycling interval and since the belt and flashing circuits are operated at high-speed, rapid column or line at a time print-out is obtained. By increasing the length of the belt selective print-out of virtually ahy number of characters or other symbols is attainable. 7
  • a photographic film recording media 1 is provided which is supplied by supply roll and passes over print roll 3 as shown in the drawing.
  • Character belt 4 passes about belt rollers 5, 6, 7 and 8 and is driven by belt motor 9 in the direction indicated by arrow 11.
  • character belt 4 includes character track 12 and identification code track 13.
  • Area 14 has a particular transparent Japanese character manifested therein.
  • area 16 contains that identification code which identifies only its associated character in area 14. This code could be in binary form where each digit is manifested by a transparent or opaque subarea. In the alternative, magnetic code markings could also be utilized.
  • a keyboard encoder 17 is coupled to the input circuit of distributor 18 by means of binary code leads 19. Where the printer is designed to print over 4,000 Japanese characters, 12 code leads are needed to provide the requisite number of binary code bits.
  • 40 buffer stores such as buffer store 21, are coupled to the distributor output circuitry by means of 40 cables, such as cable 22, each having 12 code leads.
  • the output leads of each buffer are coupled to the binary comparator of each printing station, such as station 22. Forty printing stationsbeing provided for the entire machine and only one of which is shown.
  • the 12 output leads of buffer 21 are coupled to the first input circuit of binary comparator 23, the second input circuit of which is coupled to l l pick-up devices 24 by means of cable 26.
  • Pickup devices 24 may be magnetic reading heads which read magnetically coded code portions or in the alternative could comprise light pipes for reading binary "checker board patterns.
  • a convertor such as a bank of photodiodes could provide for converting light signals into electrical signals which are thereafter applied to binary comparator 23.
  • the distributor is again stepped and the process continues until all characters are printed. Obviously all characters may be encoded before printing takes place by merely providing isolation means between the buffer stores and the binary comparators.
  • the timer is adjusted so as to mark its output circuit 36 after a given interval which is longer than the cycling time of character belt 4.
  • the marking of lead 36 causes all buffer stores and distributors 18 to become reset to thereby set the stage for the printing of a new column of characters.
  • the marking of lead 36 also causes stepping motor 37 to rotate through a given angle which advances recording media 1 and causes an additional increment of paper to be advanced from supply row 2.
  • the printer of the present invention can selectively print Japanese from 4,000 or more characters almost as rapidly as a high speed printer can manipulate the key board.
  • character belt 4 be made longer. It should be understood that a digital computer output or any other source of digital data could readily be substituted for the key board encoder.
  • a photoelectric printer comprising in combination:
  • a symbol storage media having only one symbol of each member of every family of symbols recorded thereon, there being only one required family of symbols, said media further having recorded thereon a separate symbol identification code associated with each one of said symbols;
  • means for selectively detecting one of said symbol identification codes for each symbol to be recorded on said recording media comprising, a source of symbol address codes, a plurality of buffer stores coupled to said source of symbol address codes, symbol identification code reading means coacting with symbol storage media for reading said symbol identification codes associated therewith, and a plurality of code comparators each having a first input circuit coupled to the output circuit of an associated buffer store and having a second input circuit coupled to the output circuit of one of said associated identification code reading means, said comparator having an output coupled to said means for activating a selected source; and
  • said means for activating a selected source includes a variable timing device for accurately controlling the flash instant of the source with respect to the movement of said symbol storage media relative to said recording media.
  • said means for moving includes first means for moving said recording media and second means for substantially continuously moving said symbol storage media in a direction transverse to the direction of movement of said recording media.
  • said means for moving includes first means for moving said recording media and second means for substantially continuously moving said symbol storage media in a direction transverse to the direction of movement of said recording media.
  • a photoelectric printer comprising in combination:
  • a symbol storage media having only one symbol of each member of every family of symbols recorded thereon, there being only one required family of symbols, said media further having recorded thereon a separate symbol identification code associated with each one of said symbols;
  • means for moving said symbol storage media and said recording media relative to one another comprising first means for moving said recording media and second means for substantially continuously moving said symbol storage media in a direction transverse to the direction of movement of said recording media;
  • a photoelectric printer comprising in combination: a. a symbol storage media comprising an elongated tape having only one symbol of each member of every family of symbols recorded thereon, there being only one required family of symbols, said media further having recorded thereon a separate symbol identification code associated with each one of said symbols;
  • means for moving said symbol storage media and said recording media relative to one another comprising first means for moving said recording media and second means for substantially continuously moving said symbol storage media in a direction transverse to the direction of movement of said recording media;
  • a character printer comprising in combination: a. a symbol storage media having only one symbol of each member of every family of symbols recorded thereon, there being only one required family of symbols, said media further having recorded thereon a separate symbol identification code associated with each one of said symbols;
  • means for selectively detecting one of said symbol identification codes comprising, a source of symbol address codes, a plurality of buffer stores coupled to said source of symbol address codes, symbol identification code reading means coacting with symbol storage media for reading said symbol identification codes associated therewith, and a plurality of code comparators each having a first input circuit coupled to the output circuit of an associated buffer store and having a second input circuit coupled to the output circuit of one of said associated identification code reading means, said comparator having an output coupled to said recording means; and
  • recording means responsive to said means for selectively detecting one of said symbol identification codes to record the symbol on said recording media which corresponds to said one symbol identification code.
  • said recording means includes a variable timing device for accurately controlling the timing of said recording means with respect to the relative movement of said symbol storage media and said recording media.
  • a symbol storage media having at least one symbol of each member of a selected family of symbols recorded thereon, said media further having recorded thereon a separate symbol identification code associated with each of said symbols;
  • said means for moving including first means for moving 12.
  • said recording media is sensitive to said electromagnetic radiation which optically coacts with said symbol storage media;
  • said recording means further includes means for activating a selected source of said plurality of sources of radiation in response to said means for selectively detecting to record one of said symbols on said recording media.
  • a character printer comprising in combination: a. a symbol storage media having only one symbol of each member of every family of symbols recorded thereon, there being only one required family of symbols, said media further having recorded thereon a separate symbol identification code associated with each one of said symbols;
  • means for moving said symbol storage media and said recording media relative to one another comprising first means for moving said recording media and second means for substantially continuously moving said symbol storage media in a direction transverse to the direction of movement of said recording media;
  • recording means responsive to said means for selectively detecting one of said symbol identification codes to record the symbol on said recording media which corresponds to said one symbol identification code.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Record Information Processing For Printing (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Dot-Matrix Printers And Others (AREA)
US547030A 1966-05-02 1966-05-02 Printer Expired - Lifetime US3528349A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54703066A 1966-05-02 1966-05-02

Publications (1)

Publication Number Publication Date
US3528349A true US3528349A (en) 1970-09-15

Family

ID=24183056

Family Applications (1)

Application Number Title Priority Date Filing Date
US547030A Expired - Lifetime US3528349A (en) 1966-05-02 1966-05-02 Printer

Country Status (6)

Country Link
US (1) US3528349A (ref)
BE (1) BE697860A (ref)
CH (1) CH463277A (ref)
DE (1) DE1549762A1 (ref)
GB (1) GB1187493A (ref)
NL (1) NL6706125A (ref)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792483A (en) * 1971-06-05 1974-02-12 Agfa Gevaert Ag Arrangement for recording alpha-numeric symbols

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792483A (en) * 1971-06-05 1974-02-12 Agfa Gevaert Ag Arrangement for recording alpha-numeric symbols

Also Published As

Publication number Publication date
GB1187493A (en) 1970-04-08
DE1549762A1 (de) 1971-04-15
BE697860A (ref) 1967-11-03
NL6706125A (ref) 1967-11-03
CH463277A (fr) 1968-09-30

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