GB9402716D0 - Keyboards with perceivable colour differences - Google Patents

Keyboards with perceivable colour differences

Info

Publication number
GB9402716D0
GB9402716D0 GB9402716A GB9402716A GB9402716D0 GB 9402716 D0 GB9402716 D0 GB 9402716D0 GB 9402716 A GB9402716 A GB 9402716A GB 9402716 A GB9402716 A GB 9402716A GB 9402716 D0 GB9402716 D0 GB 9402716D0
Authority
GB
United Kingdom
Prior art keywords
keyboards
colour differences
perceivable
perceivable colour
differences
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.)
Withdrawn
Application number
GB9402716A
Other versions
GB2286561A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9402716A priority Critical patent/GB2286561A/en
Priority to BR9400936A priority patent/BR9400936A/en
Publication of GB9402716D0 publication Critical patent/GB9402716D0/en
Publication of GB2286561A publication Critical patent/GB2286561A/en
Priority to CA002167644A priority patent/CA2167644A1/en
Priority to FR9601547A priority patent/FR2744833B3/en
Withdrawn legal-status Critical Current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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B13/00—Teaching typing
    • G09B13/04—Devices used in association with a real typewriter, teleprinter, or the like
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/028—Printed information
    • H01H2219/034—Coloured areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
GB9402716A 1994-02-11 1994-02-11 Colour-coded keyboards. Withdrawn GB2286561A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9402716A GB2286561A (en) 1994-02-11 1994-02-11 Colour-coded keyboards.
BR9400936A BR9400936A (en) 1994-02-11 1994-04-05 Key with noticeable color marking device
CA002167644A CA2167644A1 (en) 1994-02-11 1996-01-19 Keytop with perceivable color mark device
FR9601547A FR2744833B3 (en) 1994-02-11 1996-02-08 UPPER PARTS OF KEYBOARD HAVING A COLOR MARK ARRANGEMENT

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9402716A GB2286561A (en) 1994-02-11 1994-02-11 Colour-coded keyboards.
BR9400936A BR9400936A (en) 1994-02-11 1994-04-05 Key with noticeable color marking device
CA002167644A CA2167644A1 (en) 1994-02-11 1996-01-19 Keytop with perceivable color mark device
FR9601547A FR2744833B3 (en) 1994-02-11 1996-02-08 UPPER PARTS OF KEYBOARD HAVING A COLOR MARK ARRANGEMENT

Publications (2)

Publication Number Publication Date
GB9402716D0 true GB9402716D0 (en) 1994-04-06
GB2286561A GB2286561A (en) 1995-08-23

Family

ID=31499371

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9402716A Withdrawn GB2286561A (en) 1994-02-11 1994-02-11 Colour-coded keyboards.

Country Status (4)

Country Link
BR (1) BR9400936A (en)
CA (1) CA2167644A1 (en)
FR (1) FR2744833B3 (en)
GB (1) GB2286561A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29600117U1 (en) * 1996-01-04 1996-02-29 So, Henry, Taipeh/T'ai-pei Key switch unit for computer keyboards
AUPO333896A0 (en) * 1996-10-31 1996-11-21 Whitcroft, Jerome Eymard Colour-coded tactile data-entry devices
GB2371017B (en) * 2000-11-29 2003-11-12 Collin Douglas QWERTY keyboard learning aid
WO2012055421A1 (en) * 2010-10-28 2012-05-03 Amr Amin Fahmy El Khodary Teaching keyboard

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1255754A (en) * 1970-04-20 1971-12-01 Mildred Eleanor Olsen Improved method and device for teaching typing and language skills
US4615629A (en) * 1984-04-24 1986-10-07 Power Daniel J Input keyboard
EP0163624A3 (en) * 1984-05-24 1986-06-11 "Prodata" Keyboard, particularly for data-treating machine, such as cash-register and similar
US4909739A (en) * 1988-11-02 1990-03-20 Ladner Eugenia A Interactive typing/training system

Also Published As

Publication number Publication date
CA2167644A1 (en) 1997-07-20
FR2744833B3 (en) 1998-01-09
BR9400936A (en) 1995-11-07
GB2286561A (en) 1995-08-23
FR2744833A3 (en) 1997-08-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)