FR620570A - Signal automatique avertisseur - Google Patents
Signal automatique avertisseurInfo
- Publication number
- FR620570A FR620570A FR620570DA FR620570A FR 620570 A FR620570 A FR 620570A FR 620570D A FR620570D A FR 620570DA FR 620570 A FR620570 A FR 620570A
- Authority
- FR
- France
- Prior art keywords
- warning signal
- automatic warning
- automatic
- signal
- warning
- 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
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR620570T | 1926-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR620570A true FR620570A (fr) | 1927-04-25 |
Family
ID=8984486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR620570D Expired FR620570A (fr) | 1926-08-24 | 1926-08-24 | Signal automatique avertisseur |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR620570A (fr) |
-
1926
- 1926-08-24 FR FR620570D patent/FR620570A/fr not_active Expired
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