FR677820A - Indicateur automatique d'itinéraires, d'horaires, etc. - Google Patents
Indicateur automatique d'itinéraires, d'horaires, etc.Info
- Publication number
- FR677820A FR677820A FR677820DA FR677820A FR 677820 A FR677820 A FR 677820A FR 677820D A FR677820D A FR 677820DA FR 677820 A FR677820 A FR 677820A
- Authority
- FR
- France
- Prior art keywords
- timetables
- routes
- automatic indicator
- indicator
- automatic
- 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
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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR677820T | 1929-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR677820A true FR677820A (fr) | 1930-03-14 |
Family
ID=9020685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR677820D Expired FR677820A (fr) | 1929-07-03 | 1929-07-03 | Indicateur automatique d'itinéraires, d'horaires, etc. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR677820A (fr) |
-
1929
- 1929-07-03 FR FR677820D patent/FR677820A/fr not_active Expired
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