FR695970A - Perfectionnements aux appareils de régulation automatique de la circulation - Google Patents

Perfectionnements aux appareils de régulation automatique de la circulation

Info

Publication number
FR695970A
FR695970A FR695970DA FR695970A FR 695970 A FR695970 A FR 695970A FR 695970D A FR695970D A FR 695970DA FR 695970 A FR695970 A FR 695970A
Authority
FR
France
Prior art keywords
control devices
traffic control
automatic traffic
automatic
devices
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
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 SIGNAL CORP
Original Assignee
AUTOMATIC SIGNAL CORP
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 AUTOMATIC SIGNAL CORP filed Critical AUTOMATIC SIGNAL CORP
Application granted granted Critical
Publication of FR695970A publication Critical patent/FR695970A/fr
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)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
FR695970D 1930-04-23 1930-05-22 Perfectionnements aux appareils de régulation automatique de la circulation Expired FR695970A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US355741XA 1930-04-23 1930-04-23

Publications (1)

Publication Number Publication Date
FR695970A true FR695970A (fr) 1930-12-24

Family

ID=21883519

Family Applications (1)

Application Number Title Priority Date Filing Date
FR695970D Expired FR695970A (fr) 1930-04-23 1930-05-22 Perfectionnements aux appareils de régulation automatique de la circulation

Country Status (3)

Country Link
DE (1) DE623176C (fr)
FR (1) FR695970A (fr)
GB (1) GB355741A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922635C (de) * 1949-05-18 1955-01-20 Willy Albe Signalvorrichtung zur Regelung des Strassenverkehrs

Also Published As

Publication number Publication date
GB355741A (en) 1931-08-28
DE623176C (de) 1935-12-16

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