GB1400308A - Traffic hold-up detector circuits - Google Patents

Traffic hold-up detector circuits

Info

Publication number
GB1400308A
GB1400308A GB540473A GB540473A GB1400308A GB 1400308 A GB1400308 A GB 1400308A GB 540473 A GB540473 A GB 540473A GB 540473 A GB540473 A GB 540473A GB 1400308 A GB1400308 A GB 1400308A
Authority
GB
United Kingdom
Prior art keywords
stable
output
speed
threshold
duration
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
GB540473A
Other languages
English (en)
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.)
Societe de Fabrication dInstruments de Mesure SFIM SA
Original Assignee
Societe de Fabrication dInstruments de Mesure SFIM SA
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 Societe de Fabrication dInstruments de Mesure SFIM SA filed Critical Societe de Fabrication dInstruments de Mesure SFIM SA
Publication of GB1400308A publication Critical patent/GB1400308A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
GB540473A 1972-09-12 1973-02-02 Traffic hold-up detector circuits Expired GB1400308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7232248A FR2199152B1 (enExample) 1972-09-12 1972-09-12

Publications (1)

Publication Number Publication Date
GB1400308A true GB1400308A (en) 1975-07-16

Family

ID=9104149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB540473A Expired GB1400308A (en) 1972-09-12 1973-02-02 Traffic hold-up detector circuits

Country Status (7)

Country Link
US (1) US3836965A (enExample)
JP (1) JPS4988548A (enExample)
CH (1) CH570664A5 (enExample)
DE (1) DE2302423A1 (enExample)
FR (1) FR2199152B1 (enExample)
GB (1) GB1400308A (enExample)
IT (1) IT969227B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149991A (en) * 1983-10-18 1985-06-19 Modules Limited H B Doppler radar systems

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3958243A (en) * 1974-01-25 1976-05-18 The United States Of America As Represented By The Secretary Of The Navy Circuit for generating a digital or analog signal as a function of doppler frequency
US4370718A (en) * 1979-02-06 1983-01-25 Chasek Norman E Responsive traffic light control system and method based on conservation of aggregate momentum
GB9107476D0 (en) * 1991-04-09 1991-05-22 Peek Traffic Ltd Improvements in vehicle detection systems
US5337082A (en) * 1992-12-07 1994-08-09 Whelen Technologies, Inc. Traffic management system
ES2116925B1 (es) * 1996-09-16 1999-03-01 Zori Garcia Tomas Sistema de iluminacion para señales de trafico.
CH700149A1 (fr) * 2008-12-23 2010-06-30 Dzotec Sa Dispositif radar autonome électriquement.
US20170372602A1 (en) * 2016-06-24 2017-12-28 Continental Advanced Lidar Solutions Us, Llc Ladar enabled traffic control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2355607A (en) * 1940-03-25 1944-08-15 Shepherd Judson O'd Control system
US2965893A (en) * 1955-05-31 1960-12-20 Eastern Ind Inc Vehicle detector
US3122740A (en) * 1957-01-10 1964-02-25 Admiral Corp Velocity determining device
US3195126A (en) * 1957-05-13 1965-07-13 Lab For Electronics Inc Traffic supervisory system
DE1098260B (de) * 1959-11-25 1961-01-26 Telefunken Gmbh Anordnung zur Anzeige von Fahrzeuggattung und -geschwindigkeit
US3182312A (en) * 1962-01-11 1965-05-04 Lab For Electronics Inc Vehicle detection and counting system
FR1458774A (fr) * 1964-10-24 1966-03-04 Int Standard Electric Corp Dispositif de comptage et de mesure de vitesse de véhicules

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149991A (en) * 1983-10-18 1985-06-19 Modules Limited H B Doppler radar systems

Also Published As

Publication number Publication date
FR2199152A1 (enExample) 1974-04-05
DE2302423A1 (de) 1974-03-21
JPS4988548A (enExample) 1974-08-23
IT969227B (it) 1974-03-30
CH570664A5 (enExample) 1975-12-15
US3836965A (en) 1974-09-17
FR2199152B1 (enExample) 1976-03-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee