GB2071578B - Keyboards and methods of operating keyboards - Google Patents

Keyboards and methods of operating keyboards

Info

Publication number
GB2071578B
GB2071578B GB8103628A GB8103628A GB2071578B GB 2071578 B GB2071578 B GB 2071578B GB 8103628 A GB8103628 A GB 8103628A GB 8103628 A GB8103628 A GB 8103628A GB 2071578 B GB2071578 B GB 2071578B
Authority
GB
United Kingdom
Prior art keywords
keyboards
methods
operating
operating keyboards
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
Application number
GB8103628A
Other versions
GB2071578A (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.)
Litterick I A N
Original Assignee
Litterick I A N
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 Litterick I A N filed Critical Litterick I A N
Priority to GB8103628A priority Critical patent/GB2071578B/en
Publication of GB2071578A publication Critical patent/GB2071578A/en
Application granted granted Critical
Publication of GB2071578B publication Critical patent/GB2071578B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G06F3/0235—Character input methods using chord techniques
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H2003/127—Details of the key cap concerning the actuation by fingernails or having provision to allow usage with long fingernails
GB8103628A 1980-02-05 1981-02-05 Keyboards and methods of operating keyboards Expired GB2071578B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8103628A GB2071578B (en) 1980-02-05 1981-02-05 Keyboards and methods of operating keyboards

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8003729 1980-02-05
GB8103628A GB2071578B (en) 1980-02-05 1981-02-05 Keyboards and methods of operating keyboards

Publications (2)

Publication Number Publication Date
GB2071578A GB2071578A (en) 1981-09-23
GB2071578B true GB2071578B (en) 1984-07-11

Family

ID=26274395

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8103628A Expired GB2071578B (en) 1980-02-05 1981-02-05 Keyboards and methods of operating keyboards

Country Status (1)

Country Link
GB (1) GB2071578B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585487B1 (en) * 1985-07-29 1990-09-07 Guyot Sionnest Laurent KEYBOARDS FOR COMPUTERS, <70 CM2 AND LESS THAN 13 CONTACTS ACTUATED IN A WAY WITH ONE-HAND FINGERS
FR2587815B1 (en) * 1985-09-24 1990-06-15 Bernier Jean Paul KEYBOARD DATA ACQUISITION SYSTEM FOR Typing
CA1336418C (en) * 1989-08-29 1995-07-25 Edgar Matias One-handed keyboard
EP0920673B1 (en) 1996-08-23 2002-04-17 Wolf Heider Rein Method and device for the one-handed input of data
GB2421218B (en) * 2004-12-20 2007-04-04 Philip John Mickelborough Computer input device

Also Published As

Publication number Publication date
GB2071578A (en) 1981-09-23

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee