FR38301E - Device for adjusting the circulation - Google Patents

Device for adjusting the circulation

Info

Publication number
FR38301E
FR38301E FR38301DA FR38301E FR 38301 E FR38301 E FR 38301E FR 38301D A FR38301D A FR 38301DA FR 38301 E FR38301 E FR 38301E
Authority
FR
France
Prior art keywords
circulation
adjusting
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)
Inventor
Willem Huizinga
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 filed Critical
Application granted granted Critical
Publication of FR38301E publication Critical patent/FR38301E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/096—Arrangements for giving variable traffic instructions provided with indicators in which a mark progresses showing the time elapsed, e.g. of green phase

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Audible And Visible Signals (AREA)
  • Traffic Control Systems (AREA)
  • Road Signs Or Road Markings (AREA)
FR38301D 1927-08-16 1930-02-12 Device for adjusting the circulation Expired FR38301E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL37964T 1927-08-16
NL38301X 1929-02-13

Publications (1)

Publication Number Publication Date
FR38301E true FR38301E (en) 1931-05-12

Family

ID=32065061

Family Applications (2)

Application Number Title Priority Date Filing Date
FR666639D Expired FR666639A (en) 1927-08-16 1929-01-03 Device for adjusting the circulation
FR38301D Expired FR38301E (en) 1927-08-16 1930-02-12 Device for adjusting the circulation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR666639D Expired FR666639A (en) 1927-08-16 1929-01-03 Device for adjusting the circulation

Country Status (4)

Country Link
DE (1) DE485243C (en)
FR (2) FR666639A (en)
GB (1) GB328937A (en)
NL (1) NL20385C (en)

Also Published As

Publication number Publication date
GB328937A (en) 1930-04-30
DE485243C (en) 1929-10-28
FR666639A (en) 1929-10-03
NL20385C (en) 1929-02-15

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