GB8523201D0 - Inductive loop detector - Google Patents

Inductive loop detector

Info

Publication number
GB8523201D0
GB8523201D0 GB858523201A GB8523201A GB8523201D0 GB 8523201 D0 GB8523201 D0 GB 8523201D0 GB 858523201 A GB858523201 A GB 858523201A GB 8523201 A GB8523201 A GB 8523201A GB 8523201 D0 GB8523201 D0 GB 8523201D0
Authority
GB
United Kingdom
Prior art keywords
inductive loop
loop detector
detector
inductive
loop
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.)
Withdrawn
Application number
GB858523201A
Other versions
GB2165651A (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.)
ELECTROMATIC Pty Ltd
Original Assignee
ELECTROMATIC Pty 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 ELECTROMATIC Pty Ltd filed Critical ELECTROMATIC Pty Ltd
Publication of GB8523201D0 publication Critical patent/GB8523201D0/en
Publication of GB2165651A publication Critical patent/GB2165651A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
GB08523201A 1984-09-24 1985-09-19 Inductive loop detector Withdrawn GB2165651A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848424096A GB8424096D0 (en) 1984-09-24 1984-09-24 Inductive loop detector

Publications (2)

Publication Number Publication Date
GB8523201D0 true GB8523201D0 (en) 1985-10-23
GB2165651A GB2165651A (en) 1986-04-16

Family

ID=10567179

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848424096A Pending GB8424096D0 (en) 1984-09-24 1984-09-24 Inductive loop detector
GB08523201A Withdrawn GB2165651A (en) 1984-09-24 1985-09-19 Inductive loop detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848424096A Pending GB8424096D0 (en) 1984-09-24 1984-09-24 Inductive loop detector

Country Status (5)

Country Link
AU (1) AU585894B2 (en)
DE (1) DE3533769A1 (en)
FR (1) FR2570857A1 (en)
GB (2) GB8424096D0 (en)
ZA (1) ZA8507319D (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3514833A1 (en) * 1985-04-24 1986-11-06 Siemens AG, 1000 Berlin und 8000 München INDUCTIVE PROXIMITY SWITCH
DE3546245C3 (en) * 1985-12-28 1994-11-17 Link Walter Non-contact proximity switch
CN109951669B (en) * 2019-04-18 2021-08-06 浙江西谷数字技术股份有限公司 Building intercom indoor terminal and security detection method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492637A (en) * 1965-11-29 1970-01-27 Singer General Precision Inductive loop vehicle detector
US3683351A (en) * 1970-01-07 1972-08-08 Merton F Wilcox Presence detector
GB1366875A (en) * 1971-11-15 1974-09-11 Plessey Co Ltd Vehicle detection systems
US3875555A (en) * 1973-05-29 1975-04-01 Indicator Controls Corp Vehicle detection system
CA1047623A (en) * 1974-02-21 1979-01-30 Canoga Controls Corporation Inductive loop vehicle detector
BE862377A (en) * 1977-12-27 1978-06-27 Centre Rech Metallurgique DEVICE FOR DETECTING THE PRESENCE OF A MOVING ROLLED METAL PRODUCT
US4472706A (en) * 1981-11-30 1984-09-18 Hodge Patrick M Vehicle presence loop detector

Also Published As

Publication number Publication date
GB8424096D0 (en) 1984-10-31
ZA8507319D (en) 1986-05-28
AU4761785A (en) 1986-04-10
DE3533769A1 (en) 1986-04-03
GB2165651A (en) 1986-04-16
FR2570857A1 (en) 1986-03-28
AU585894B2 (en) 1989-06-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)