FR2286556A1 - Detecteur de proximite a amplification directe - Google Patents

Detecteur de proximite a amplification directe

Info

Publication number
FR2286556A1
FR2286556A1 FR7432799A FR7432799A FR2286556A1 FR 2286556 A1 FR2286556 A1 FR 2286556A1 FR 7432799 A FR7432799 A FR 7432799A FR 7432799 A FR7432799 A FR 7432799A FR 2286556 A1 FR2286556 A1 FR 2286556A1
Authority
FR
France
Prior art keywords
plate
proximity detector
pairs
charge displacement
sensing
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.)
Granted
Application number
FR7432799A
Other languages
English (en)
French (fr)
Other versions
FR2286556B3 (enExample
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7432799A priority Critical patent/FR2286556A1/fr
Publication of FR2286556A1 publication Critical patent/FR2286556A1/fr
Application granted granted Critical
Publication of FR2286556B3 publication Critical patent/FR2286556B3/fr
Granted 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
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • 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)
FR7432799A 1974-09-30 1974-09-30 Detecteur de proximite a amplification directe Granted FR2286556A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7432799A FR2286556A1 (fr) 1974-09-30 1974-09-30 Detecteur de proximite a amplification directe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7432799A FR2286556A1 (fr) 1974-09-30 1974-09-30 Detecteur de proximite a amplification directe

Publications (2)

Publication Number Publication Date
FR2286556A1 true FR2286556A1 (fr) 1976-04-23
FR2286556B3 FR2286556B3 (enExample) 1976-09-24

Family

ID=9143556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7432799A Granted FR2286556A1 (fr) 1974-09-30 1974-09-30 Detecteur de proximite a amplification directe

Country Status (1)

Country Link
FR (1) FR2286556A1 (enExample)

Also Published As

Publication number Publication date
FR2286556B3 (enExample) 1976-09-24

Similar Documents

Publication Publication Date Title
GB1367641A (en) Proximity alarm control device
GB1357573A (en) Corrosion rate meter
JPS54155079A (en) Magnetic field detector for electronic watch
JPS5240905A (en) Transmissin-reception anticollision system
NL7601261A (nl) Schakeling met een lage impedantie met ionisatie rook-sondes.
ES447767A1 (es) Un perceptor de flujo magnetico mejorado.
ES420980A1 (es) Perfeccionamientos en las disposiciones electronicas de mando, sensibles a la temperatura.
FR2087004A5 (en) Gas detector using semi-conductor with gasre
ES401154A1 (es) Instalacion de proteccion de las aberturas de un local.
NO143116C (no) Fremgangsmaate og innretning for deteksjon av en formagnetisering i en magnetkrets
FR2339198A1 (fr) Reveil electrique utilise comme moyen d'alarme
GB1314582A (en) Electrical resistors
FR2450464A1 (fr) Detecteur de proximite pour la realisation de dispositifs de protection des lieux et des biens contre les intrusions, et de dispositifs de comptage
JPS5484909A (en) Signal detection system
JPS5276654A (en) Accident detection device in power system
FR2287049A1 (fr) Pendule electronique perfectionne pour la radiesthesie
JPS5279959A (en) Self-checking sensor
JPS5224516A (en) Key switch operation detection circuit
GB977769A (en) Improvements in or relating to electrical circuits for use with temperature responsive devices
JPS5370753A (en) Alternating current signal switch circuit
JPS525574A (en) Electric clock
ES416578A1 (es) Perfeccionamientos en un dispositivo electronico detector automatico de gases.
ES168966U (es) Cinturon de seguridad con dispositivo de alarma.
CA605823A (en) Electrical signal sensing circuit
JPS52122158A (en) Alarm electronic watch