GB512439A - Improvements in or relating to traffic control systems - Google Patents

Improvements in or relating to traffic control systems

Info

Publication number
GB512439A
GB512439A GB672238A GB672238A GB512439A GB 512439 A GB512439 A GB 512439A GB 672238 A GB672238 A GB 672238A GB 672238 A GB672238 A GB 672238A GB 512439 A GB512439 A GB 512439A
Authority
GB
United Kingdom
Prior art keywords
phase
camshaft
relay
operated
relays
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
Application number
GB672238A
Other languages
English (en)
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
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
Priority to NL61309D priority Critical patent/NL61309C/xx
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Priority to GB672238A priority patent/GB512439A/en
Priority to FR851135D priority patent/FR851135A/fr
Publication of GB512439A publication Critical patent/GB512439A/en
Expired legal-status Critical Current

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)
  • Mobile Radio Communication Systems (AREA)
GB672238A 1938-03-03 1938-03-03 Improvements in or relating to traffic control systems Expired GB512439A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL61309D NL61309C (enrdf_load_stackoverflow) 1938-03-03
GB672238A GB512439A (en) 1938-03-03 1938-03-03 Improvements in or relating to traffic control systems
FR851135D FR851135A (fr) 1938-03-03 1939-03-03 Dispositif pour le réglage automatique de la circulation, avec arbre à cames commun à toutes les phases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB672238A GB512439A (en) 1938-03-03 1938-03-03 Improvements in or relating to traffic control systems

Publications (1)

Publication Number Publication Date
GB512439A true GB512439A (en) 1939-09-15

Family

ID=9819583

Family Applications (1)

Application Number Title Priority Date Filing Date
GB672238A Expired GB512439A (en) 1938-03-03 1938-03-03 Improvements in or relating to traffic control systems

Country Status (3)

Country Link
FR (1) FR851135A (enrdf_load_stackoverflow)
GB (1) GB512439A (enrdf_load_stackoverflow)
NL (1) NL61309C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR851135A (fr) 1940-01-03
NL61309C (enrdf_load_stackoverflow)

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