CA1038039A - Detecteur de jonctions non lineaires entre substances metalliques ou materiaux semiconducteurs - Google Patents

Detecteur de jonctions non lineaires entre substances metalliques ou materiaux semiconducteurs

Info

Publication number
CA1038039A
CA1038039A CA235,208A CA235208A CA1038039A CA 1038039 A CA1038039 A CA 1038039A CA 235208 A CA235208 A CA 235208A CA 1038039 A CA1038039 A CA 1038039A
Authority
CA
Canada
Prior art keywords
frequency
signal
materials
linear
semiconductive
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
CA235,208A
Other languages
English (en)
Other versions
CA235208S (en
Inventor
Alan W. Ward
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.)
Westinghouse Canada Inc
Original Assignee
Westinghouse Canada Inc
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 Westinghouse Canada Inc filed Critical Westinghouse Canada Inc
Priority to CA235,208A priority Critical patent/CA1038039A/fr
Priority to GB3684576A priority patent/GB1527399A/en
Application granted granted Critical
Publication of CA1038039A publication Critical patent/CA1038039A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
    • G01R27/205—Measuring contact resistance of connections, e.g. of earth connections
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/753—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using frequency selective elements, e.g. resonator

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA235,208A 1975-09-11 1975-09-11 Detecteur de jonctions non lineaires entre substances metalliques ou materiaux semiconducteurs Expired CA1038039A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA235,208A CA1038039A (fr) 1975-09-11 1975-09-11 Detecteur de jonctions non lineaires entre substances metalliques ou materiaux semiconducteurs
GB3684576A GB1527399A (en) 1975-09-11 1976-09-06 Locating non-linear junctions between metallic materials and/or semi-conductive materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA235,208A CA1038039A (fr) 1975-09-11 1975-09-11 Detecteur de jonctions non lineaires entre substances metalliques ou materiaux semiconducteurs

Publications (1)

Publication Number Publication Date
CA1038039A true CA1038039A (fr) 1978-09-05

Family

ID=4104013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA235,208A Expired CA1038039A (fr) 1975-09-11 1975-09-11 Detecteur de jonctions non lineaires entre substances metalliques ou materiaux semiconducteurs

Country Status (2)

Country Link
CA (1) CA1038039A (fr)
GB (1) GB1527399A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6897777B2 (en) * 2001-02-13 2005-05-24 Audiotel International Limited Non-linear junction detector
RU2480787C1 (ru) * 2011-09-12 2013-04-27 Владимир Авенирович Кропотов Способ и система для дистанционного обнаружения объектов

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6057765A (en) * 1998-10-07 2000-05-02 Research Electronics International Non-linear junction detector
US6163259A (en) * 1999-06-04 2000-12-19 Research Electronics International Pulse transmitting non-linear junction detector
GB2381077B (en) * 1999-06-04 2003-10-01 Res Electronics Internat Pulse transmitting non-linear junction detector
DE102004025870B4 (de) * 2004-05-27 2008-06-26 Iq-Mobil Gmbh Verfahren zur drahtlosen Signalübertragung und Verwendung eines derartigen Verfahrens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6897777B2 (en) * 2001-02-13 2005-05-24 Audiotel International Limited Non-linear junction detector
RU2480787C1 (ru) * 2011-09-12 2013-04-27 Владимир Авенирович Кропотов Способ и система для дистанционного обнаружения объектов

Also Published As

Publication number Publication date
GB1527399A (en) 1978-10-04

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