CH270146A - System for controlling a traffic signal device by means of high-frequency radiation. - Google Patents

System for controlling a traffic signal device by means of high-frequency radiation.

Info

Publication number
CH270146A
CH270146A CH270146DA CH270146A CH 270146 A CH270146 A CH 270146A CH 270146D A CH270146D A CH 270146DA CH 270146 A CH270146 A CH 270146A
Authority
CH
Switzerland
Prior art keywords
controlling
traffic signal
signal device
frequency radiation
radiation
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Albiswerk Zuerich
Original Assignee
Siemens Ag Albis
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 Siemens Ag Albis filed Critical Siemens Ag Albis
Publication of CH270146A publication Critical patent/CH270146A/en

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
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
CH270146D 1946-09-05 1946-09-05 System for controlling a traffic signal device by means of high-frequency radiation. CH270146A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH270146T 1946-09-05

Publications (1)

Publication Number Publication Date
CH270146A true CH270146A (en) 1950-08-15

Family

ID=33480351

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270146D CH270146A (en) 1946-09-05 1946-09-05 System for controlling a traffic signal device by means of high-frequency radiation.

Country Status (5)

Country Link
US (1) US2622140A (en)
BE (1) BE478044A (en)
CH (1) CH270146A (en)
FR (1) FR956864A (en)
GB (1) GB655876A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965893A (en) * 1955-05-31 1960-12-20 Eastern Ind Inc Vehicle detector
US3056106A (en) * 1958-07-14 1962-09-25 Gamewell Co Infrared detectors
US3042303A (en) * 1959-04-24 1962-07-03 Gen Railway Signal Co Object or vehicle detection system
US3045909A (en) * 1959-06-15 1962-07-24 Gen Railway Signal Co Pulsed ultrasonic detector
US3109157A (en) * 1959-06-15 1963-10-29 Gen Signal Corp Directional traffic control system
US3042899A (en) * 1959-06-16 1962-07-03 Gen Railway Signal Co Ultrasonic vehicle detection system
US3110007A (en) * 1959-10-14 1963-11-05 Gen Signal Corp Ultrasonic vehicle detector
US3063179A (en) * 1959-10-16 1962-11-13 Gen Railway Signal Co Vehicle parking area gate control system
US3046519A (en) * 1959-10-28 1962-07-24 Gen Railway Signal Co Ultrasonic vehicle detection system
US3105953A (en) * 1960-01-25 1963-10-01 Gen Signal Corp Directional sonic vehicle detector
US3110008A (en) * 1960-05-09 1963-11-05 Gen Signal Corp Vehicle detection apparatus
US3176266A (en) * 1960-08-12 1965-03-30 Gen Signal Corp Vehicular traffic detection system
US3152315A (en) * 1961-01-27 1964-10-06 Lab For Electronics Inc Aircraft tracking and indicating system
US3278922A (en) * 1963-11-14 1966-10-11 Gen Electric Position and motion detector
US3663937A (en) * 1970-06-08 1972-05-16 Thiokol Chemical Corp Intersection ingress-egress automatic electronic traffic monitoring equipment
GB9107476D0 (en) * 1991-04-09 1991-05-22 Peek Traffic Ltd Improvements in vehicle detection systems
GB2358269A (en) * 2000-01-11 2001-07-18 Roke Manor Research Vehicle detection
IT1395919B1 (en) * 2009-09-24 2012-11-02 Agla Elettronica S R L SYSTEM FOR AUTOMATICALLY FINDING THE PRESENCE OR ABSENCE OF OBJECTS IN A PREDETERMINED SPACE PORTION TO BE CHECKED, FOR EXAMPLE TO DETECT FREE OR BUSY CAR PARKS IN A PARKING AREA

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1658953A (en) * 1924-12-11 1928-02-14 Firm Of M J Goldberg Signaling apparatus
US1917243A (en) * 1929-09-13 1933-07-11 Paul S Edwards Ultra sensitive relay
US1898432A (en) * 1929-10-02 1933-02-21 Paul S Edwards Reactance controlled relay
US2031951A (en) * 1932-02-25 1936-02-25 Bell Telephone Labor Inc Burglar alarm system
US2238041A (en) * 1939-03-03 1941-04-15 Dickens Harry Power control system
US2290771A (en) * 1939-04-25 1942-07-21 Rca Corp Relay system

Also Published As

Publication number Publication date
BE478044A (en) 1948-01-31
GB655876A (en) 1951-08-08
FR956864A (en) 1950-02-09
US2622140A (en) 1952-12-16

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