NL60713C - - Google Patents

Info

Publication number
NL60713C
NL60713C NL60713DA NL60713C NL 60713 C NL60713 C NL 60713C NL 60713D A NL60713D A NL 60713DA NL 60713 C NL60713 C NL 60713C
Authority
NL
Netherlands
Application number
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.)
Publication of NL60713C publication Critical patent/NL60713C/xx

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/02Detecting movement of traffic to be counted or controlled using treadles built into the road
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/22Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/24Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
NL60713D 1938-03-17 NL60713C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB828338A GB512836A (en) 1938-03-17 1938-03-17 Improvements in or relating to electric switches suitable for operation by the passage of road vehicles

Publications (1)

Publication Number Publication Date
NL60713C true NL60713C (en:Method)

Family

ID=9849535

Family Applications (1)

Application Number Title Priority Date Filing Date
NL60713D NL60713C (en:Method) 1938-03-17

Country Status (4)

Country Link
DE (1) DE920893C (en:Method)
FR (1) FR851726A (en:Method)
GB (1) GB512836A (en:Method)
NL (1) NL60713C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112176895B (zh) * 2020-10-19 2021-11-23 江苏盛达福交通工程有限公司 道路交通标线投影装置

Also Published As

Publication number Publication date
DE920893C (de) 1954-12-02
FR851726A (fr) 1940-01-13
GB512836A (en) 1939-09-27

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