FR749160A - Warning device to announce the arrival of cars - Google Patents

Warning device to announce the arrival of cars

Info

Publication number
FR749160A
FR749160A FR749160DA FR749160A FR 749160 A FR749160 A FR 749160A FR 749160D A FR749160D A FR 749160DA FR 749160 A FR749160 A FR 749160A
Authority
FR
France
Prior art keywords
announce
cars
arrival
warning device
warning
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.)
Electricite Wadenswil SA D
Original Assignee
Electricite Wadenswil SA D
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 Electricite Wadenswil SA D filed Critical Electricite Wadenswil SA D
Application granted granted Critical
Publication of FR749160A publication Critical patent/FR749160A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C27/00—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels
    • B60C27/06—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over the complete circumference of the tread, e.g. made of chains or cables
    • B60C27/16—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over the complete circumference of the tread, e.g. made of chains or cables formed of close material, e.g. leather or synthetic mats

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Traffic Control Systems (AREA)
FR749160D 1932-01-18 1933-01-17 Warning device to announce the arrival of cars Expired FR749160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH749160X 1932-01-18

Publications (1)

Publication Number Publication Date
FR749160A true FR749160A (en) 1933-07-20

Family

ID=4533718

Family Applications (2)

Application Number Title Priority Date Filing Date
FR393767A Expired FR393767A (en) 1932-01-18 1908-08-05 Protector for pneumatic tires
FR749160D Expired FR749160A (en) 1932-01-18 1933-01-17 Warning device to announce the arrival of cars

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR393767A Expired FR393767A (en) 1932-01-18 1908-08-05 Protector for pneumatic tires

Country Status (3)

Country Link
BE (1) BE393767A (en)
DE (1) DE615554C (en)
FR (2) FR393767A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1087054B (en) * 1954-10-11 1960-08-11 Gina Orlando Photoelectric control for traffic signal and traffic counting systems
US3026508A (en) * 1959-02-26 1962-03-20 George H Muller Signal system for guiding a car into a garage
US3105952A (en) * 1960-08-04 1963-10-01 Kidder Warren Benjamin Pressure detecting method and apparatus

Also Published As

Publication number Publication date
FR393767A (en) 1909-01-06
DE615554C (en) 1935-07-08
BE393767A (en)

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