NL7201299A - - Google Patents
Info
- Publication number
- NL7201299A NL7201299A NL7201299A NL7201299A NL7201299A NL 7201299 A NL7201299 A NL 7201299A NL 7201299 A NL7201299 A NL 7201299A NL 7201299 A NL7201299 A NL 7201299A NL 7201299 A NL7201299 A NL 7201299A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
- B43L13/022—Draughting machines or drawing devices for keeping parallelism automatic
-
- 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
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
- G09B21/001—Teaching or communicating with blind persons
- G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
Landscapes
- Engineering & Computer Science (AREA)
- Educational Administration (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Automation & Control Theory (AREA)
- Toys (AREA)
- Recording Measured Values (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE151071A SE345919B (fr) | 1971-02-08 | 1971-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7201299A true NL7201299A (fr) | 1972-08-10 |
Family
ID=20258327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7201299A NL7201299A (fr) | 1971-02-08 | 1972-02-01 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT316178B (fr) |
| BE (1) | BE779048A (fr) |
| CH (1) | CH531767A (fr) |
| DE (1) | DE2204867C3 (fr) |
| FR (1) | FR2126755A5 (fr) |
| GB (1) | GB1341678A (fr) |
| IT (1) | IT948428B (fr) |
| NL (1) | NL7201299A (fr) |
| SE (1) | SE345919B (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2538629C2 (de) * | 1975-08-30 | 1983-04-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Verfahren zur taktilen Darbietung von Bildern an Blinde |
| DE3400093A1 (de) * | 1984-01-03 | 1985-07-18 | Nixdorf Computer Ag, 4790 Paderborn | Einrichtung zur darstellung von informationen auf einem lesegeraet fuer blinde |
| CN109291701B (zh) * | 2018-11-25 | 2023-12-26 | 广东双鹰玩具实业有限公司 | 高精度绘图装置 |
-
1971
- 1971-02-08 SE SE151071A patent/SE345919B/xx unknown
-
1972
- 1972-02-01 NL NL7201299A patent/NL7201299A/xx unknown
- 1972-02-02 DE DE19722204867 patent/DE2204867C3/de not_active Expired
- 1972-02-02 CH CH153472A patent/CH531767A/de not_active IP Right Cessation
- 1972-02-03 IT IT4812672A patent/IT948428B/it active
- 1972-02-03 AT AT84872A patent/AT316178B/de active
- 1972-02-07 BE BE779048A patent/BE779048A/fr unknown
- 1972-02-07 FR FR7204014A patent/FR2126755A5/fr not_active Expired
- 1972-02-08 GB GB578072A patent/GB1341678A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE779048A (fr) | 1972-05-30 |
| DE2204867A1 (de) | 1972-09-21 |
| IT948428B (it) | 1973-05-30 |
| DE2204867C3 (de) | 1975-05-22 |
| SE345919B (fr) | 1972-06-12 |
| AT316178B (de) | 1974-06-25 |
| FR2126755A5 (fr) | 1972-10-06 |
| DE2204867B2 (de) | 1974-09-19 |
| GB1341678A (en) | 1973-12-25 |
| CH531767A (de) | 1972-12-15 |