CH610822A5 - Keyboard on a typewriter - Google Patents

Keyboard on a typewriter

Info

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
Application number
CH748576A
Inventor
Adolf Muther
Original Assignee
Adolf Muther
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 Adolf Muther filed Critical Adolf Muther
Priority to CH748576A priority Critical patent/CH610822A5/en
Priority to DE19772725677 priority patent/DE2725677A1/en
Priority to FR7717946A priority patent/FR2354202A1/en
Publication of CH610822A5 publication Critical patent/CH610822A5/en

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
CH748576A 1976-06-10 1976-06-10 Keyboard on a typewriter CH610822A5 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2354202A1 (en) 1978-01-06
DE2725677A1 (en) 1977-12-22

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Legal Events

Date Code Title Description
PL Patent ceased