BR9400936A - Tecla com dispositivo de marcaçÃo de cor perceptível - Google Patents
Tecla com dispositivo de marcaçÃo de cor perceptívelInfo
- Publication number
- BR9400936A BR9400936A BR9400936A BR9400936A BR9400936A BR 9400936 A BR9400936 A BR 9400936A BR 9400936 A BR9400936 A BR 9400936A BR 9400936 A BR9400936 A BR 9400936A BR 9400936 A BR9400936 A BR 9400936A
- Authority
- BR
- Brazil
- Prior art keywords
- key
- marking device
- color marking
- noticeable color
- noticeable
- 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
-
- 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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9402716A GB2286561A (en) | 1994-02-11 | 1994-02-11 | Colour-coded keyboards. |
BR9400936A BR9400936A (pt) | 1994-02-11 | 1994-04-05 | Tecla com dispositivo de marcaçÃo de cor perceptível |
CA002167644A CA2167644A1 (en) | 1994-02-11 | 1996-01-19 | Keytop with perceivable color mark device |
FR9601547A FR2744833B3 (fr) | 1994-02-11 | 1996-02-08 | Parties superieures de touches de clavier ayant un agencement de marques de couleur |
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 (pt) | 1994-02-11 | 1994-04-05 | Tecla com dispositivo de marcaçÃo de cor perceptível |
CA002167644A CA2167644A1 (en) | 1994-02-11 | 1996-01-19 | Keytop with perceivable color mark device |
FR9601547A FR2744833B3 (fr) | 1994-02-11 | 1996-02-08 | Parties superieures de touches de clavier ayant un agencement de marques de couleur |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9400936A true BR9400936A (pt) | 1995-11-07 |
Family
ID=31499371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9400936A BR9400936A (pt) | 1994-02-11 | 1994-04-05 | Tecla com dispositivo de marcaçÃo de cor perceptível |
Country Status (4)
Country | Link |
---|---|
BR (1) | BR9400936A (pt) |
CA (1) | CA2167644A1 (pt) |
FR (1) | FR2744833B3 (pt) |
GB (1) | GB2286561A (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5588760A (en) * | 1996-01-04 | 1996-12-31 | So; Henry | 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)
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 |
-
1994
- 1994-02-11 GB GB9402716A patent/GB2286561A/en not_active Withdrawn
- 1994-04-05 BR BR9400936A patent/BR9400936A/pt not_active Application Discontinuation
-
1996
- 1996-01-19 CA CA002167644A patent/CA2167644A1/en not_active Abandoned
- 1996-02-08 FR FR9601547A patent/FR2744833B3/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9402716D0 (en) | 1994-04-06 |
GB2286561A (en) | 1995-08-23 |
FR2744833A3 (fr) | 1997-08-14 |
FR2744833B3 (fr) | 1998-01-09 |
CA2167644A1 (en) | 1997-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EE | Request for examination | ||
EG | Technical examination (opinion): publication of technical examination (opinion) | ||
FC | Decision: refusal |