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Publication numberUS3812945 A
Publication typeGrant
Publication dateMay 28, 1974
Filing dateOct 18, 1972
Priority dateOct 18, 1972
Also published asCA1000867A1, DE2352131A1
Publication numberUS 3812945 A, US 3812945A, US-A-3812945, US3812945 A, US3812945A
InventorsEberle F, Ho S, Koplow H, Lesnick E
Original AssigneeWang Laboratories
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Typewriter system
US 3812945 A
Abstract
An editing typewriter system having a typewriter, two magnetic tape cassettes and control logic. Representative of its operational features are its ability to learn a format including margins and tabs, line spacing and number of lines per page, as well as its ability automatically to indent and automatically to tabulate by aligning the decimal points of a column of numbers. During recording, it can be operated to center headings, insert memos, pre-hyphenate, underline and combine symbols. Corrections can be made while recording simply by backspacing and striking over without retyping the remainder of the line, or the entire line can be erased if desired. After recording, it has the ability to search and index to a desired line solely by reference to the initial symbols of that line, after which the system can be operated to print out that line in whole or part for revision by inserting or deleting as required. Transfer can be accomplished directly from cassette to cassette for editing so that it is unnecessary to print anything except the revisions. During playback, the right margin may be changed, adjusted within a variable space adjust zone and even justified.
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Koplow et a1.

United States Patent [191 1 TYPEWRITER SYSTEM [751' Inventors: Harold Stanley Koplow, Peabody;

Fritz Eberle, Lowell; Shu-Kuang H0, Chelmsford; Edward Lesnick, Carlisle, all of Mass.

[73] Assignee: Wang Laboratories, Inc.,

Tewksbury, Mass.

[22] Filed: Oct. 18, 1972 [21] App]. No.: 298,664

[52] US. Cl 197/19, 197/178, 95/45 [51] Int. Cl B4lj 5/30 [58] Field of Search 197/19, 1, 20, 84 R, 84 A,

[56] References Cited v UNITED STATES PATENTS 2,926,769 3/1960 Toeppen 197/178 3,025,941 3/1962 Blodgett et a1. 197/20 3,031,647 4/1962 Dirks 340/1725 3,260,340 7/1966 Locklar et al. 197/20 3,294,856 12/1966 Jenkins et a1 197/1 X 3,297,124 1/1967 Sims 197/19 3,413,624 11/1968 Murdoch et a1. 197/20 X 3,512,132 5/1970 Jones et a1. 197/19 X 3,579,193 5/1971 Bernier l97/19X 3,674,125 7/1972 Kolpek 197/19 1 LOGIC [451 May 28, 1974 Primary Examiner-Robert E. Bagwill Assistant Examiner-R. T. Rader [57] ABSTRACT An editing typewriter system having a typewriter, two magnetic tape cassettes and control logic. Representative of its operational features are its ability to learn a format including margins and tabs, line spacing and number of lines per page, as well as its ability automatically to indent and automatically to tabulate by aligning the decimal points of a column of numbers. During recording, it can be operated to center headings, insert memos, pre-hyphenate, underline and combine symbols. Corrections can be made while recording simply by backspacing and striking over without retyping the remainder of the line, or the entire line can be erased if desired. After recording, it has the ability to search and index to a desired line solely by reference to' the initial symbols of that line, after which thesystem can be operated to print out that line in whole or part for revision by inserting or deleting as required. Transfer can be accomplished directly from cassette to cassette for editing so that it is unnecessary to print anything except the revisions. During playback, the right margin may be changed, adjusted within a variable space adjust zone and even justified.

12 Claims, 42 Drawing Figures PA'IENTEIIIMIEB IIIII M12345 SHEET DBIIF 39 242 240 242 246 244 246 FIG 4 I I BELL TAPE TAPE TYPEWRITER' DRIVE 236 DRIVE T- T T T I L R I KEYBOARD I 23s 2 I TAPE UNIT I I v n I4 I2 I04 I02 I06 I I I READONU CENTRAL I MOS I I MEMORY PROCESSOR MEMORY I I I L. nfqyfiq;%@ F m0 ToImz I55 I56 I58 I60 I62 I64 I66 I68 I70 I72 I74 I76 11g READ ONLY MEMORY CENTRAL I I I AI I PROCESSOR bud bh be |86 I82 3 0| bI zo 00p ucbc mop kk sIoI b JGCI h I g ICA PATENTEIIIIAI 28 Ian sIIm as 0F 39 0 23456789ABCDEF TAPE BUFFER I 0000000000000000 I I 0000000000000000 1 0000000000000000 0000000000 00000000'00000000 1' SETTINGS KEYBOARD OOOOOOOOOOOOOOOO INPUT BUFFER OOOOOOOOOOOO OOOO OOOOOOQJOOOOOOOO I I I I I I I I I I I I I I I I I I I I I I I D OOOOOOOOOOOOOOOO E OOOOOOOOOOOOOOOO F OOOOOOOOOOOOOOOO MOS MEMORY PATENTEU MAY 28 1974 saw as or 39 RESET INITIALIzATION END OF DOC REWIND STOP REWIND GO RWS RWG TAB REQ TAB EoD,

UNDERsCoRE HYPHEN RESET FROM 40 REwIND 302 304 306 H TAPE 7 CYCLE CHECK KEYBOARD QQ AND PLAYBACK CHA TER FROM 36 KEYS FORWARD wIND UPDATE TAPE PLAYBACK ggg g STATUS FROM 58 POWER ON NO Jg INITIALIZATION EQUF'ES'IED 300 FROM l3 LRN DELETE 320 CHARACTER DLT IN BUFFER 3 l6 3 8 wRITE FORMAT ON TAPE WFB SEARCH I SEARCH PROCESS LsP L05 LOAD 35R CODE ":1" SEARCH SEARCH 308 BUFFER TAPE BKs 3l2\ CARRIER RETURN CRL RCR REM SET FLAG SEARCH FOR REQUIRED CARRIER RETURN FOR MEMO MEMO/FORMAT MEM MEMO OR CTR FOUND CENTER CODE RFB SET FLAG fi sPACE F SPC FORFORMAT SWITCH/READ SWR BLK BLOCK LINK 7.!)JORMAL CHARACTER Eg H$ P+EN REQ sPACE FORMAT REQ BACKsPACE TYPE ENTER MEM FORMAT LRT LINE RETURN TO CYC LE PATENTEBIIII 28 L974 SHEET m 0? 39 PLAY DECODE CHARACTER CRL REPLACES TAB J RTB REPLACE RTB TAB,RTB,OR SPC CTR CENTER LINE SPC wITH CRL AND TYPE, IF NEEDED FOR TRANSFER LINE EJECT f :I P HYPHBI lGNORED LSP SET FLAG OR DELETED IGNORE HYPHEN S $3 IF IN ADJUST BEFORE ZONE FHEN DELETE HYPHEN SEARCH IF JUSTIFY OPPOSITE TAPE BEFORE ZONE FOR MEMO MEM AUTO ASSEMBLY FLAG NORMAL CHARACTER TRANSFER RQ STP MEMO /FORMAT RSP RSK BLOCK I-2 SPACES REPLACE CRL REPLACE CRL WITH l-2 SPC'S ENTER FOR NEEDED FOR CRL FORMAT INTO ADJUST/JrldSTlFY MAC INE 4 JUSTIFY WRITE LI E RWG REWIND TAPE JUSTIFY TRANSFER SPACE REWIND BLOCK INSERTING wRITE LINE R IF TRANSFER REwIND TAPE JUSTIFY END PLAYBACK TRANSFER REWIND BLOCK SwR DELETED SWWCH TAPE SELEC'HON wRITE LINE SWR TYPE CHARACTER 'IF.TRANSFER IF NOT SKIP OR JUSTIFY DELETE REWIND DELETE CHARACTER IF JUSTIFY I.

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Classifications
U.S. Classification400/5, 400/67, 400/76, 400/7, 400/2, 400/279, 400/6, 400/63, 400/284
International ClassificationB41J5/31, B41J5/42
Cooperative ClassificationB41J5/42
European ClassificationB41J5/42
Legal Events
DateCodeEventDescription
Mar 15, 1995ASAssignment
Owner name: BT COMMERCIAL CORPORATION (AS AGENT), NEW YORK
Free format text: SECURITY INTEREST;ASSIGNOR:WANG LABORATORIES, INC.;REEL/FRAME:007377/0072
Effective date: 19950130
Feb 16, 1995ASAssignment
Owner name: WANG LABORATORIES, INC., MASSACHUSETTS
Free format text: RELEASE OF SECURITY INTEREST IN AND REASSIGNMENT OF U.S. PATENTS AND PATENT APPLICATIONS;ASSIGNOR:CONGRESS FINANCIAL CORPORATION (NEW ENGLAND);REEL/FRAME:007341/0041
Effective date: 19950130
Dec 27, 1993ASAssignment
Owner name: CONGRESS FINANCIAL CORPORATION (NEW ENGLAND), MASS
Free format text: SECURITY INTEREST;ASSIGNOR:WANG LABORATORIES, INC.;REEL/FRAME:006932/0047
Effective date: 19931220
Owner name: WANG LABORATORIES, INC., MASSACHUSETTS
Free format text: TERMINATION OF SECURITY INTEREST;ASSIGNOR:FIRST NATIONAL BANK OF BOSTON, AS TRUSTEE;REEL/FRAME:006932/0001
Effective date: 19930830
Oct 4, 1989ASAssignment
Owner name: FIRST NATIONAL BANK OF BOSTON, MASSACHUSETTS
Free format text: SECURITY INTEREST;ASSIGNOR:WANG LABORATORIES, INC.;REEL/FRAME:005296/0001
Effective date: 19890915