FR1020143A - Dispositif indicateur lumineux - Google Patents
Dispositif indicateur lumineuxInfo
- Publication number
- FR1020143A FR1020143A FR1020143DA FR1020143A FR 1020143 A FR1020143 A FR 1020143A FR 1020143D A FR1020143D A FR 1020143DA FR 1020143 A FR1020143 A FR 1020143A
- Authority
- FR
- France
- Prior art keywords
- indicating device
- light indicating
- light
- indicating
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B15/00—Supervisory desks or panels for centralised control or display
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH267829X | 1949-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1020143A true FR1020143A (fr) | 1953-02-02 |
Family
ID=32873420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1020143D Expired FR1020143A (fr) | 1949-07-19 | 1950-06-13 | Dispositif indicateur lumineux |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH267829A (fr) |
| FR (1) | FR1020143A (fr) |
-
1949
- 1949-07-19 CH CH267829D patent/CH267829A/fr unknown
-
1950
- 1950-06-13 FR FR1020143D patent/FR1020143A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH267829A (fr) | 1950-04-15 |
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