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FR832021A - Improvements to main time devices of circulation control installations for multiple crossings - Google Patents

Improvements to main time devices of circulation control installations for multiple crossings

Info

Publication number
FR832021A
FR832021A FR832021DA FR832021A FR 832021 A FR832021 A FR 832021A FR 832021D A FR832021D A FR 832021DA FR 832021 A FR832021 A FR 832021A
Authority
FR
France
Prior art keywords
circulation control
main time
time devices
control installations
multiple crossings
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
French (fr)
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
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Application granted granted Critical
Publication of FR832021A publication Critical patent/FR832021A/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)
  • Traffic Control Systems (AREA)
FR832021D 1937-01-13 1938-01-13 Improvements to main time devices of circulation control installations for multiple crossings Expired FR832021A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB215018X 1937-01-13

Publications (1)

Publication Number Publication Date
FR832021A true FR832021A (en) 1938-09-20

Family

ID=10164009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR832021D Expired FR832021A (en) 1937-01-13 1938-01-13 Improvements to main time devices of circulation control installations for multiple crossings

Country Status (3)

Country Link
CH (1) CH215018A (en)
FR (1) FR832021A (en)
GB (1) GB488796A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3254324A (en) * 1961-01-13 1966-05-31 Casciato Leonard Traffic signal systems
US3241105A (en) * 1962-08-10 1966-03-15 Lab For Electronics Inc Traffic control system
GB2198272B (en) * 1984-09-25 1989-02-08 Lux Traffic Controls Ltd Improvements relating to traffic light control systems
CN108648472B (en) * 2018-03-23 2021-04-06 公安部交通管理科学研究所 Method and system for setting maximum green of signal control intersection

Also Published As

Publication number Publication date
CH215018A (en) 1941-05-31
GB488796A (en) 1938-07-13

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