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GB2496190B - Signal generator - Google Patents

Signal generator

Info

Publication number
GB2496190B
GB2496190B GB1119165.7A GB201119165A GB2496190B GB 2496190 B GB2496190 B GB 2496190B GB 201119165 A GB201119165 A GB 201119165A GB 2496190 B GB2496190 B GB 2496190B
Authority
GB
United Kingdom
Prior art keywords
signal generator
generator
signal
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.)
Active
Application number
GB1119165.7A
Other versions
GB201119165D0 (en
GB2496190A (en
Inventor
David Pearson Richard
Lanfranchi Luigi
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.)
Radiodetection Ltd
Original Assignee
Radiodetection 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 Radiodetection Ltd filed Critical Radiodetection Ltd
Priority to GB1119165.7A priority Critical patent/GB2496190B/en
Publication of GB201119165D0 publication Critical patent/GB201119165D0/en
Priority to EP12191263.8A priority patent/EP2589989B1/en
Publication of GB2496190A publication Critical patent/GB2496190A/en
Application granted granted Critical
Publication of GB2496190B publication Critical patent/GB2496190B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01V3/088—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 operating with electric fields
    • 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
    • G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
    • G01V3/06—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current using AC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B25/00—Simultaneous generation by a free-running oscillator of oscillations having different frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Near-Field Transmission Systems (AREA)
GB1119165.7A 2011-11-04 2011-11-04 Signal generator Active GB2496190B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1119165.7A GB2496190B (en) 2011-11-04 2011-11-04 Signal generator
EP12191263.8A EP2589989B1 (en) 2011-11-04 2012-11-05 Signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1119165.7A GB2496190B (en) 2011-11-04 2011-11-04 Signal generator

Publications (3)

Publication Number Publication Date
GB201119165D0 GB201119165D0 (en) 2011-12-21
GB2496190A GB2496190A (en) 2013-05-08
GB2496190B true GB2496190B (en) 2017-02-15

Family

ID=45421358

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1119165.7A Active GB2496190B (en) 2011-11-04 2011-11-04 Signal generator

Country Status (1)

Country Link
GB (1) GB2496190B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3201067C2 (en) * 1981-01-28 1988-04-14 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Telescopic mast

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940287A (en) * 1982-08-31 1984-03-05 Anritsu Corp Apparatus for detecting metal
GB2457956A (en) * 2008-02-29 2009-09-02 Radiodetection Ltd Electromagnetic sensing means for detecting a buried conductor
US7639094B1 (en) * 2007-05-09 2009-12-29 Marvell International Ltd. Shared pin resonator oscillators

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940287A (en) * 1982-08-31 1984-03-05 Anritsu Corp Apparatus for detecting metal
US7639094B1 (en) * 2007-05-09 2009-12-29 Marvell International Ltd. Shared pin resonator oscillators
GB2457956A (en) * 2008-02-29 2009-09-02 Radiodetection Ltd Electromagnetic sensing means for detecting a buried conductor

Also Published As

Publication number Publication date
GB201119165D0 (en) 2011-12-21
GB2496190A (en) 2013-05-08

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