FR956770A - - Google Patents
Info
- Publication number
- FR956770A FR956770A FR956770DA FR956770A FR 956770 A FR956770 A FR 956770A FR 956770D A FR956770D A FR 956770DA FR 956770 A FR956770 A FR 956770A
- Authority
- FR
- France
- 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
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US346517A US2249100A (en) | 1940-07-20 | 1940-07-20 | Traffic actuated control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR956770A true FR956770A (US07534539-20090519-C00280.png) | 1950-02-07 |
Family
ID=23359774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR956770D Expired FR956770A (US07534539-20090519-C00280.png) | 1940-07-20 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2249100A (US07534539-20090519-C00280.png) |
| FR (1) | FR956770A (US07534539-20090519-C00280.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2705789A (en) * | 1952-03-06 | 1955-04-05 | Eastern Ind Inc | Traffic actuated control systems |
| BE523463A (US07534539-20090519-C00280.png) * | 1952-08-26 | |||
| US3035246A (en) * | 1954-06-08 | 1962-05-15 | Gen Railway Signal Co | Highway signalling system |
-
0
- FR FR956770D patent/FR956770A/fr not_active Expired
-
1940
- 1940-07-20 US US346517A patent/US2249100A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2249100A (en) | 1941-07-15 |
