GB647403A - Improvements in or relating to vehicle detectors - Google Patents

Improvements in or relating to vehicle detectors

Info

Publication number
GB647403A
GB647403A GB3064547A GB3064547A GB647403A GB 647403 A GB647403 A GB 647403A GB 3064547 A GB3064547 A GB 3064547A GB 3064547 A GB3064547 A GB 3064547A GB 647403 A GB647403 A GB 647403A
Authority
GB
United Kingdom
Prior art keywords
coil
saturation
cone
passage
short
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
GB3064547A
Other languages
English (en)
Inventor
Merrel Omer Williams
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
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 Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Priority to GB3064547A priority Critical patent/GB647403A/en
Priority to FR976920D priority patent/FR976920A/fr
Publication of GB647403A publication Critical patent/GB647403A/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
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB3064547A 1947-11-19 1947-11-19 Improvements in or relating to vehicle detectors Expired GB647403A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3064547A GB647403A (en) 1947-11-19 1947-11-19 Improvements in or relating to vehicle detectors
FR976920D FR976920A (fr) 1947-11-19 1948-11-19 Détecteur magnétique de véhicules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3064547A GB647403A (en) 1947-11-19 1947-11-19 Improvements in or relating to vehicle detectors

Publications (1)

Publication Number Publication Date
GB647403A true GB647403A (en) 1950-12-13

Family

ID=10310875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3064547A Expired GB647403A (en) 1947-11-19 1947-11-19 Improvements in or relating to vehicle detectors

Country Status (2)

Country Link
FR (1) FR976920A (fr)
GB (1) GB647403A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049949A3 (en) * 1980-10-15 1982-10-13 Minnesota Mining And Manufacturing Company Apparatus for detecting a ferromagnetic material
EP0262621A3 (fr) * 1986-09-30 1989-04-12 Siemens Aktiengesellschaft Détecteur de véhicule pour la détermination de grandeurs de trafic dans le trafic routier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049949A3 (en) * 1980-10-15 1982-10-13 Minnesota Mining And Manufacturing Company Apparatus for detecting a ferromagnetic material
EP0262621A3 (fr) * 1986-09-30 1989-04-12 Siemens Aktiengesellschaft Détecteur de véhicule pour la détermination de grandeurs de trafic dans le trafic routier

Also Published As

Publication number Publication date
FR976920A (fr) 1951-03-23

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