NL6817810A - - Google Patents
Info
- Publication number
- NL6817810A NL6817810A NL6817810A NL6817810A NL6817810A NL 6817810 A NL6817810 A NL 6817810A NL 6817810 A NL6817810 A NL 6817810A NL 6817810 A NL6817810 A NL 6817810A NL 6817810 A NL6817810 A NL 6817810A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram
- G09B29/10—Map spot or coordinate position indicators; Map reading aids
- G09B29/102—Map spot or coordinate position indicators; Map reading aids using electrical means
- G09B29/104—Map spot or coordinate position indicators; Map reading aids using electrical means involving the optical projection of slides, microfilm or the like
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6817810A NL6817810A (nl) | 1968-12-12 | 1968-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6817810A NL6817810A (nl) | 1968-12-12 | 1968-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6817810A true NL6817810A (nl) | 1970-06-16 |
Family
ID=19805383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6817810A NL6817810A (nl) | 1968-12-12 | 1968-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL6817810A (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0178742A1 (en) * | 1984-10-19 | 1986-04-23 | United Overseas Technology Limited | Apparatus for projecting slides carrying map information on several scales |
-
1968
- 1968-12-12 NL NL6817810A patent/NL6817810A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0178742A1 (en) * | 1984-10-19 | 1986-04-23 | United Overseas Technology Limited | Apparatus for projecting slides carrying map information on several scales |
| US5024523A (en) * | 1984-10-19 | 1991-06-18 | Ambridge Limited | Map projection system |