FR2274174A1 - Interrupteur statique par detection de variation de capacite - Google Patents

Interrupteur statique par detection de variation de capacite

Info

Publication number
FR2274174A1
FR2274174A1 FR7419327A FR7419327A FR2274174A1 FR 2274174 A1 FR2274174 A1 FR 2274174A1 FR 7419327 A FR7419327 A FR 7419327A FR 7419327 A FR7419327 A FR 7419327A FR 2274174 A1 FR2274174 A1 FR 2274174A1
Authority
FR
France
Prior art keywords
demodulator
sensor
frequency variation
circuit
interrupter circuit
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Withdrawn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
FR7419327A
Other languages
English (en)
Inventor
Bernard Francois Maury
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.)
PHYLEC
Original Assignee
PHYLEC
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 PHYLEC filed Critical PHYLEC
Priority to FR7419327A priority Critical patent/FR2274174A1/fr
Publication of FR2274174A1 publication Critical patent/FR2274174A1/fr
Withdrawn legal-status Critical Current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
    • H03K17/955—Proximity switches using a capacitive detector

Landscapes

  • Electronic Switches (AREA)
FR7419327A 1974-06-05 1974-06-05 Interrupteur statique par detection de variation de capacite Withdrawn FR2274174A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7419327A FR2274174A1 (fr) 1974-06-05 1974-06-05 Interrupteur statique par detection de variation de capacite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419327A FR2274174A1 (fr) 1974-06-05 1974-06-05 Interrupteur statique par detection de variation de capacite

Publications (1)

Publication Number Publication Date
FR2274174A1 true FR2274174A1 (fr) 1976-01-02

Family

ID=9139627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419327A Withdrawn FR2274174A1 (fr) 1974-06-05 1974-06-05 Interrupteur statique par detection de variation de capacite

Country Status (1)

Country Link
FR (1) FR2274174A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2374000A (en) * 2001-03-09 2002-10-09 Mountway Ltd Obstruction sensor for movable furniture part
EP3553477A1 (fr) * 2018-04-13 2019-10-16 Ontech Security, S.L. Appareil de mesure de perturbation dans un champ magnétique contrôlé

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2374000A (en) * 2001-03-09 2002-10-09 Mountway Ltd Obstruction sensor for movable furniture part
EP3553477A1 (fr) * 2018-04-13 2019-10-16 Ontech Security, S.L. Appareil de mesure de perturbation dans un champ magnétique contrôlé
WO2019197677A1 (fr) * 2018-04-13 2019-10-17 Ontech Security, S.L. Dispositif permettant de mesurer des perturbations dans un champ magnétique contrôlé
CN112041641A (zh) * 2018-04-13 2020-12-04 安泰克安全公司 用以测量受控磁场的间断的设备
US11867863B2 (en) 2018-04-13 2024-01-09 Ontech Security, S.L. Device to measure disruptions in a controlled magnetic field
CN112041641B (zh) * 2018-04-13 2024-03-19 安泰克安全公司 用以测量受控磁场的间断的设备及其用途

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Legal Events

Date Code Title Description
ST Notification of lapse