CH610822A5 - Keyboard on a typewriter - Google Patents
Keyboard on a typewriterInfo
- Publication number
- CH610822A5 CH610822A5 CH748576A CH748576A CH610822A5 CH 610822 A5 CH610822 A5 CH 610822A5 CH 748576 A CH748576 A CH 748576A CH 748576 A CH748576 A CH 748576A CH 610822 A5 CH610822 A5 CH 610822A5
- Authority
- CH
- Switzerland
- Prior art keywords
- typewriter
- keyboard
- Prior art date
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
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/10—Arrangements of keyboards, e.g. key button disposition
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH748576A CH610822A5 (en) | 1976-06-10 | 1976-06-10 | Keyboard on a typewriter |
DE19772725677 DE2725677A1 (en) | 1976-06-10 | 1977-06-06 | KEYBOARD FOR TYPEWRITERS |
FR7717946A FR2354202A1 (en) | 1976-06-10 | 1977-06-10 | KEYBOARD FOR TYPEWRITER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH748576A CH610822A5 (en) | 1976-06-10 | 1976-06-10 | Keyboard on a typewriter |
Publications (1)
Publication Number | Publication Date |
---|---|
CH610822A5 true CH610822A5 (en) | 1979-05-15 |
Family
ID=4325858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH748576A CH610822A5 (en) | 1976-06-10 | 1976-06-10 | Keyboard on a typewriter |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH610822A5 (en) |
DE (1) | DE2725677A1 (en) |
FR (1) | FR2354202A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3338013C2 (en) * | 1983-10-19 | 1993-12-23 | Kathleen Elizabeth Gardner | Keyboard for a typewriter |
US4715736A (en) * | 1984-12-03 | 1987-12-29 | Fwm Enterprises, Inc. | Process for determining optimum keyboard formats for a given language |
US4669903A (en) * | 1985-04-23 | 1987-06-02 | Stuart Herzog | Bio-mechanical keyboard structure and method |
EP0219944A3 (en) * | 1985-08-29 | 1987-10-07 | Pcd Maltron Limited | Keyboard |
FR2611589B1 (en) * | 1987-03-03 | 1989-10-27 | Marsan Claude | ERGONOMIC ALPHANUMERIC KEYBOARDS FOR WRITING MACHINES AND THE LIKE |
NL186072C (en) * | 1987-06-30 | 1990-09-17 | Ava Consult Bv | KEYBOARD FOR A WORD WRITER. |
US4974183A (en) * | 1989-04-05 | 1990-11-27 | Miller Wendell E | Computer keyboard with thumb-actuated edit keys |
US5212473A (en) * | 1991-02-21 | 1993-05-18 | Typeright Keyboard Corp. | Membrane keyboard and method of using same |
US5332322A (en) * | 1991-06-06 | 1994-07-26 | Gambaro Thomas L | Ergonomic thumb-actuable keyboard for a hand-grippable device |
US5178477A (en) * | 1991-06-06 | 1993-01-12 | Gambaro Thomas L | Ergonomic keyboard input device |
US5360280A (en) * | 1992-05-19 | 1994-11-01 | Metamorfyx | Ergonomic keyboard including arcuate elongated keys |
US5397189A (en) * | 1993-04-29 | 1995-03-14 | Minogue; Richard F. | Non-planar ergonomic keyboard |
US5660488A (en) * | 1993-04-29 | 1997-08-26 | Miller; Timothy M. | Ergonomically condensed QWERTY keyboard |
USD405071S (en) | 1997-10-17 | 1999-02-02 | Gambaro Thomas L | Cursor control--data entry device |
GB2360015B (en) * | 2000-01-21 | 2004-07-14 | John Victor Parkinson | Keyboard with improved shift arrangements |
FR2850178B1 (en) * | 2003-01-16 | 2005-04-08 | Michel Artus | UNIVERSAL KEYBOARD. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH390957A (en) * | 1961-08-07 | 1965-04-30 | Guenther Margrit | Keyboard for typewriters and similar machines |
DE1279693B (en) * | 1963-09-28 | 1968-10-10 | Ibm Deutschland | Standard keyboard divided into two mirror-image fields for controlling the drive of functional devices on typewriters and similar machines |
-
1976
- 1976-06-10 CH CH748576A patent/CH610822A5/en not_active IP Right Cessation
-
1977
- 1977-06-06 DE DE19772725677 patent/DE2725677A1/en not_active Withdrawn
- 1977-06-10 FR FR7717946A patent/FR2354202A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2725677A1 (en) | 1977-12-22 |
FR2354202A1 (en) | 1978-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |