ES480752A1 - Metodo para borrar caracteres impresos en maquinas de escri-bir. - Google Patents
Metodo para borrar caracteres impresos en maquinas de escri-bir.Info
- Publication number
- ES480752A1 ES480752A1 ES480752A ES480752A ES480752A1 ES 480752 A1 ES480752 A1 ES 480752A1 ES 480752 A ES480752 A ES 480752A ES 480752 A ES480752 A ES 480752A ES 480752 A1 ES480752 A1 ES 480752A1
- Authority
- ES
- Spain
- Prior art keywords
- characters
- command
- tab
- electronic
- space
- 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
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
- B41J21/00—Column, tabular or like printing arrangements; Means for centralising short lines
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Record Information Processing For Printing (AREA)
Abstract
Método para borrar caracteres impresos en máquinas de escribir que tienen control electrónico de las operaciones de escritura de acuerdo con datos de caracteres e instrucciones de función introducidos a través del teclado, con un almacenamiento para estos datos e instrucciones y con tabulador reversible, caracterizado porque por cada línea de impresión se almacenan todos los datos de caracteres y todas las instrucciones de función, en particular las posiciones de caracteres, porque a continuación de una instrucción de tabulación se almacena una indicación de tabulación porque dicha indicación de tabulación es leída en sentido inverso cuando ele elemento de tipos realiza espaciamientos inversos y porque se efectúa una comparación entre la posición del elemento de tipos en curso y la posición que el elemento de tipos ha ocupado cuando ha ocurrido dicha instrucción de tabulación, hasta que la comparación indica que la distancia restante entre las citadas posiciones es menor que o igual a un incremento de espacio de retroceso normal, porque se realiza una tabulación inversa que cubre tantas unidades de espaciamiento como sean necesarias para posicionar el elemento de tipos en esa posición en la que ha ocurrido la instrucción de tabulación y porque tras una nueva instrucción de borrado se recuperan de la memoria linea los datos de carácter a saber, el número de unidades de espaciamiento asociadas con el carácter, la palabra de código alfa numérico y el valor de velocidad para impulsar dicho carácter, se posiciona el elemento de tipos y se impulsa el carácter con el medio de borrado situado entre el elemento de tipos y el medio de registro.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/908,315 US4245918A (en) | 1978-05-22 | 1978-05-22 | Erase through tab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES480752A1 true ES480752A1 (es) | 1980-01-16 |
Family
ID=25425577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES480752A Expired ES480752A1 (es) | 1978-05-22 | 1979-05-21 | Metodo para borrar caracteres impresos en maquinas de escri-bir. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4245918A (es) |
| JP (1) | JPS5948754B2 (es) |
| AU (1) | AU520578B2 (es) |
| BE (1) | BE875756A (es) |
| BR (1) | BR7903068A (es) |
| CA (1) | CA1100081A (es) |
| CH (1) | CH636806A5 (es) |
| DE (1) | DE2920493C2 (es) |
| ES (1) | ES480752A1 (es) |
| FR (1) | FR2426574A1 (es) |
| GB (1) | GB2021830B (es) |
| IT (1) | IT1166830B (es) |
| MX (1) | MX146451A (es) |
| NL (1) | NL7903847A (es) |
| SE (1) | SE438984B (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1108103B (it) * | 1978-07-18 | 1985-12-02 | Olivetti & Co Spa | Macchina per scrivere elettronica |
| US4374626A (en) * | 1980-01-30 | 1983-02-22 | Ibm Corporation | Erasing typewriter with automatic/manual selection |
| CA1158588A (en) * | 1980-01-30 | 1983-12-13 | Robert W. Hooker | Erasing typewriter with automatic/manual selection |
| DE3108689C2 (de) * | 1981-03-07 | 1987-03-05 | Olympia AG, 2940 Wilhelmshaven | Verfahren zum Positionieren des Druckwerkes einer Schreib- oder ähnlichen Maschine |
| JPS6042086A (ja) * | 1983-08-18 | 1985-03-06 | Canon Inc | 印字装置 |
| US4834566A (en) * | 1985-12-29 | 1989-05-30 | Brother Kogyo Kabushiki Kaisha | Typewriter having means for interruption of automatic erasing operation, and/or automatic suspension thereof at each space between successive words |
| JPH0212452U (es) * | 1988-07-01 | 1990-01-25 | ||
| US5143462A (en) * | 1989-04-14 | 1992-09-01 | Keyboard Advances, Inc. | Ergonomically effective backspacing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3630336A (en) * | 1970-04-15 | 1971-12-28 | Ibm | Proportional spacing printer incorporating word underscore control |
| IT1001516B (it) * | 1972-08-03 | 1976-04-30 | Ibm | Sistema a macchina per scrivere con cancellazione automatica |
| US3780846A (en) * | 1972-08-03 | 1973-12-25 | Ibm | Automatic erasing typewriter system |
| US4131949A (en) * | 1975-09-10 | 1978-12-26 | Sperry Rand Corporation | Word processor apparatus having means for recording a tab function as a signal indicative of the number of spaces tabbed |
-
1978
- 1978-05-22 US US05/908,315 patent/US4245918A/en not_active Expired - Lifetime
-
1979
- 1979-02-22 CA CA322,248A patent/CA1100081A/en not_active Expired
- 1979-03-28 CH CH286579A patent/CH636806A5/de not_active IP Right Cessation
- 1979-04-12 AU AU45972/79A patent/AU520578B2/en not_active Ceased
- 1979-04-17 FR FR7910420A patent/FR2426574A1/fr active Granted
- 1979-04-20 BE BE0/194758A patent/BE875756A/xx not_active IP Right Cessation
- 1979-05-02 GB GB7915254A patent/GB2021830B/en not_active Expired
- 1979-05-09 MX MX177582A patent/MX146451A/es unknown
- 1979-05-10 JP JP54056441A patent/JPS5948754B2/ja not_active Expired
- 1979-05-16 NL NL7903847A patent/NL7903847A/xx not_active Application Discontinuation
- 1979-05-17 BR BR7903068A patent/BR7903068A/pt unknown
- 1979-05-18 IT IT7922780A patent/IT1166830B/it active
- 1979-05-21 DE DE2920493A patent/DE2920493C2/de not_active Expired
- 1979-05-21 SE SE7904410A patent/SE438984B/sv not_active IP Right Cessation
- 1979-05-21 ES ES480752A patent/ES480752A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2021830B (en) | 1982-02-24 |
| FR2426574B1 (es) | 1982-10-22 |
| JPS54152927A (en) | 1979-12-01 |
| FR2426574A1 (fr) | 1979-12-21 |
| AU520578B2 (en) | 1982-02-11 |
| DE2920493A1 (de) | 1979-11-29 |
| BE875756A (fr) | 1979-08-16 |
| US4245918A (en) | 1981-01-20 |
| SE7904410L (sv) | 1979-11-23 |
| IT7922780A0 (it) | 1979-05-18 |
| CH636806A5 (de) | 1983-06-30 |
| CA1100081A (en) | 1981-04-28 |
| BR7903068A (pt) | 1979-12-04 |
| GB2021830A (en) | 1979-12-05 |
| MX146451A (es) | 1982-06-28 |
| IT1166830B (it) | 1987-05-06 |
| DE2920493C2 (de) | 1985-12-19 |
| NL7903847A (nl) | 1979-11-26 |
| AU4597279A (en) | 1979-11-29 |
| SE438984B (sv) | 1985-05-28 |
| JPS5948754B2 (ja) | 1984-11-28 |
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