FR700174A - Disposition pour enclencher les signaux de circulation aux croisements de rues au moyen de deux traverses de contact dans la voie carrossable
- Google Patents
Disposition pour enclencher les signaux de circulation aux croisements de rues au moyen de deux traverses de contact dans la voie carrossable
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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STERNBERG TRAFFIC AUTOMATEN CO
Original Assignee
STERNBERG TRAFFIC AUTOMATEN CO
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by STERNBERG TRAFFIC AUTOMATEN COfiledCriticalSTERNBERG TRAFFIC AUTOMATEN CO
Application grantedgrantedCritical
Publication of FR700174ApublicationCriticalpatent/FR700174A/fr
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)
FR700174D1929-08-071930-08-07Disposition pour enclencher les signaux de circulation aux croisements de rues au moyen de deux traverses de contact dans la voie carrossable
ExpiredFR700174A
(fr)