GB1197553A - An Electronic Proximity Detector - Google Patents

An Electronic Proximity Detector

Info

Publication number
GB1197553A
GB1197553A GB786569A GB786569A GB1197553A GB 1197553 A GB1197553 A GB 1197553A GB 786569 A GB786569 A GB 786569A GB 786569 A GB786569 A GB 786569A GB 1197553 A GB1197553 A GB 1197553A
Authority
GB
United Kingdom
Prior art keywords
detector
bridge
proximity
feb
amplifier
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
GB786569A
Other languages
English (en)
Inventor
Christian Gervais
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.)
Compagnie Electro Mecanique SA
Original Assignee
Compagnie Electro Mecanique 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 Compagnie Electro Mecanique SA filed Critical Compagnie Electro Mecanique SA
Publication of GB1197553A publication Critical patent/GB1197553A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9525—Proximity switches using a magnetic detector using inductive coils controlled by an oscillatory signal

Landscapes

  • Electronic Switches (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB786569A 1968-02-16 1969-02-13 An Electronic Proximity Detector Expired GB1197553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR140104 1968-02-16

Publications (1)

Publication Number Publication Date
GB1197553A true GB1197553A (en) 1970-07-08

Family

ID=8646074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB786569A Expired GB1197553A (en) 1968-02-16 1969-02-13 An Electronic Proximity Detector

Country Status (5)

Country Link
BE (1) BE728380A (ja)
DE (1) DE1907626C3 (ja)
FR (1) FR1563053A (ja)
GB (1) GB1197553A (ja)
NL (1) NL6902452A (ja)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799758A (en) * 1951-09-24 1957-07-16 Phillips Petroleum Co Electrical temperature indicating device
FR1460069A (fr) * 1965-10-15 1966-06-17 Silec Liaisons Elec Détecteur de la présence ou du passage de masses métalliques particulièrement applicable sur le passage de véhicules routiers

Also Published As

Publication number Publication date
DE1907626B2 (de) 1980-09-18
NL6902452A (ja) 1969-08-19
DE1907626A1 (de) 1969-11-13
DE1907626C3 (de) 1981-05-14
BE728380A (ja) 1969-07-16
FR1563053A (ja) 1969-04-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee