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GB2013576A - Erasing Printed Characters - Google Patents

Erasing Printed Characters

Info

Publication number
GB2013576A
GB2013576A GB7842409A GB7842409A GB2013576A GB 2013576 A GB2013576 A GB 2013576A GB 7842409 A GB7842409 A GB 7842409A GB 7842409 A GB7842409 A GB 7842409A GB 2013576 A GB2013576 A GB 2013576A
Authority
GB
United Kingdom
Prior art keywords
character
erased
printed characters
fraction
moved
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.)
Granted
Application number
GB7842409A
Other versions
GB2013576B (en
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB2013576A publication Critical patent/GB2013576A/en
Application granted granted Critical
Publication of GB2013576B publication Critical patent/GB2013576B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/26—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling
    • B41J29/36—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling for cancelling or correcting errors by overprinting
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/26—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling
    • B41J29/32—Type members
    • B41J29/34—Type members repeatedly actuated

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Liquid Crystal Substances (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

To erase a character, the printing paint is moved to a first position a fraction to one side of the printed character to be erased and the type of the character to be erased stuck against an erase tape onto the printed character. The printing point is then moved a second position a fraction on the other side of the character to be erased and the type is again struck. This arrangement is particularly suitable for daisy wheel print heads where the accuracy of character placement when overprinting is relatively low.
GB7842409A 1978-01-30 1978-10-30 Methods of erasing typewriter printed characters and typewriters including erase apparatus Expired GB2013576B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87319778A 1978-01-30 1978-01-30

Publications (2)

Publication Number Publication Date
GB2013576A true GB2013576A (en) 1979-08-15
GB2013576B GB2013576B (en) 1982-01-20

Family

ID=25361157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7842409A Expired GB2013576B (en) 1978-01-30 1978-10-30 Methods of erasing typewriter printed characters and typewriters including erase apparatus

Country Status (24)

Country Link
JP (1) JPS5494913A (en)
AT (1) AT371066B (en)
AU (1) AU516878B2 (en)
BE (1) BE872910A (en)
BR (1) BR7900559A (en)
CA (1) CA1097582A (en)
CH (1) CH635030A5 (en)
CS (1) CS216244B2 (en)
DE (1) DE2900393C2 (en)
DK (1) DK150101C (en)
ES (2) ES477249A1 (en)
FI (1) FI790299A (en)
FR (1) FR2415538B1 (en)
GB (1) GB2013576B (en)
IL (1) IL56278A0 (en)
IN (1) IN150284B (en)
IT (1) IT1160393B (en)
MX (1) MX146208A (en)
NL (1) NL189075C (en)
NO (1) NO150310C (en)
OA (1) OA06168A (en)
PT (1) PT68955A (en)
SE (1) SE438983B (en)
ZA (1) ZA786217B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388005A (en) * 1980-04-17 1983-06-14 Olympia Werke Ag Method and apparatus for printing partially overlapping characters
GB2120604A (en) * 1982-03-19 1983-12-07 Canon Kk Erasing typed indicia
DE3423890A1 (en) * 1983-06-28 1985-01-10 Alps Electric Co., Ltd., Tokio/Tokyo Daisywheel printer
EP0154294A2 (en) * 1984-02-27 1985-09-11 Sharp Kabushiki Kaisha Method for erasing a mistyped character
GB2222115A (en) * 1988-06-24 1990-02-28 Brother Ind Ltd Overlapping print-strokes in selective printers

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906135C2 (en) * 1979-02-17 1985-07-11 Olympia Werke Ag, 2940 Wilhelmshaven Printing unit for the production of a typeface with even character spacing
DE2928079A1 (en) * 1979-07-12 1981-01-29 Olympia Werke Ag Typewriter with daisy wheel head and erase facility - has motor controlled carriage, with position control from microprocessor unit, which is positioned in series of incremental movements
CA1256817A (en) * 1984-11-27 1989-07-04 Takeo Tsumura Typewriter misprint correction method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH413877A (en) * 1964-07-06 1966-05-31 Hugo Dr Batt typewriter
IT1001516B (en) * 1972-08-03 1976-04-30 Ibm MACHINE SYSTEM FOR WRITING WITH AUTOMATIC CANCELLATION
US3927749A (en) * 1974-08-12 1975-12-23 William H Wolowitz Apparatus for supplementing the operation of the ribbon selecting and backspacing means of a typewriter
GB1554415A (en) * 1975-10-15 1979-10-17 Xerox Corp Word underscore(enhanced underscoring methods and means for automatic typewriter and the like employing hammertype impact printing mechanism)
DE2618615C2 (en) * 1976-04-28 1978-05-24 Olympia Werke Ag, 2940 Wilhelmshaven Step-by-step mechanism for the paper trolley or type carrier carriage of a writing or printing unit

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388005A (en) * 1980-04-17 1983-06-14 Olympia Werke Ag Method and apparatus for printing partially overlapping characters
GB2120604A (en) * 1982-03-19 1983-12-07 Canon Kk Erasing typed indicia
DE3423890A1 (en) * 1983-06-28 1985-01-10 Alps Electric Co., Ltd., Tokio/Tokyo Daisywheel printer
EP0154294A2 (en) * 1984-02-27 1985-09-11 Sharp Kabushiki Kaisha Method for erasing a mistyped character
EP0154294A3 (en) * 1984-02-27 1988-06-01 Sharp Kabushiki Kaisha Error correction member moving system for a printer
GB2222115A (en) * 1988-06-24 1990-02-28 Brother Ind Ltd Overlapping print-strokes in selective printers
US5051012A (en) * 1988-06-24 1991-09-24 Brother Kogyo Kabushiki Kaisha Carriage positioning for multiple impact printing
GB2222115B (en) * 1988-06-24 1992-03-25 Brother Ind Ltd Printing device

Also Published As

Publication number Publication date
DK36579A (en) 1979-07-31
CH635030A5 (en) 1983-03-15
MX146208A (en) 1982-05-25
NL189075C (en) 1993-01-04
BE872910A (en) 1979-04-17
NL189075B (en) 1992-08-03
JPS5646992B2 (en) 1981-11-06
BR7900559A (en) 1979-08-28
DK150101C (en) 1987-06-15
FR2415538B1 (en) 1985-10-04
ES477249A1 (en) 1979-10-16
SE438983B (en) 1985-05-28
GB2013576B (en) 1982-01-20
AT371066B (en) 1983-05-25
NO790224L (en) 1979-07-31
NO150310C (en) 1984-09-26
DE2900393C2 (en) 1984-02-23
OA06168A (en) 1981-06-30
IT1160393B (en) 1987-03-11
NO150310B (en) 1984-06-18
DE2900393A1 (en) 1979-08-02
PT68955A (en) 1979-01-01
AU516878B2 (en) 1981-06-25
IN150284B (en) 1982-09-04
CA1097582A (en) 1981-03-17
SE7900544L (en) 1979-07-31
AU4324979A (en) 1979-08-09
IT7831211A0 (en) 1978-12-22
FI790299A (en) 1979-07-31
DK150101B (en) 1986-12-08
JPS5494913A (en) 1979-07-27
ATA13379A (en) 1982-10-15
IL56278A0 (en) 1979-03-12
ZA786217B (en) 1980-06-25
ES477250A1 (en) 1979-10-16
CS216244B2 (en) 1982-10-29
NL7900568A (en) 1979-08-01
FR2415538A1 (en) 1979-08-24

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19981029