GB1396739A - Proximity switch - Google Patents

Proximity switch

Info

Publication number
GB1396739A
GB1396739A GB3722372A GB3722372A GB1396739A GB 1396739 A GB1396739 A GB 1396739A GB 3722372 A GB3722372 A GB 3722372A GB 3722372 A GB3722372 A GB 3722372A GB 1396739 A GB1396739 A GB 1396739A
Authority
GB
United Kingdom
Prior art keywords
coils
coil
inductive element
damage
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.)
Expired
Application number
GB3722372A
Other languages
English (en)
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
Publication of GB1396739A publication Critical patent/GB1396739A/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

Landscapes

  • Electronic Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
GB3722372A 1971-08-10 1972-08-09 Proximity switch Expired GB1396739A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712140056 DE2140056C3 (de) 1971-08-10 1971-08-10 Berührungslos steuerbarer Näherungsschalter
DE19712166021 DE2166021C3 (de) 1971-08-10 1971-08-10 Elektronischer Näherungsschalter

Publications (1)

Publication Number Publication Date
GB1396739A true GB1396739A (en) 1975-06-04

Family

ID=25761575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3722372A Expired GB1396739A (en) 1971-08-10 1972-08-09 Proximity switch

Country Status (4)

Country Link
CH (1) CH544455A (de)
DE (2) DE2166021C3 (de)
FR (1) FR2149901A5 (de)
GB (1) GB1396739A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177216A (en) * 1985-07-05 1987-01-14 Baumer Electric Ag Proximity switch
DE4414748A1 (de) * 1994-04-20 1995-10-26 Pepperl & Fuchs Näherungssensor
DE19913872A1 (de) * 1999-03-26 2000-10-19 Siemens Ag Sensor mit Ausfallüberwachungssystem

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035225B1 (de) * 1980-03-01 1985-05-08 Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co. Näherungsschalter mit zugehörigen Überwachungseinrichtungen
DE3110390A1 (de) * 1981-03-18 1982-10-07 Gebhard Balluff, Fabrik Feinmechanischer Erzeugnisse, 7303 Neuhausen Pruef- und auswerteschaltung fuer naeherungsschalter in maschinensteuerungen
DE3209673C2 (de) * 1981-09-22 1984-07-05 Robert Ing.(grad.) 7995 Neukirch Buck Schaltungsanordnung zur Überwachung eines Schaltgerätes und der an ihm angeschlossenen Außenleiter
DE3220111C1 (de) * 1982-05-28 1983-06-09 Honeywell Gmbh, 6050 Offenbach Überwachungseinrichtung für Näherungsschalter
DE3311781A1 (de) * 1983-03-31 1984-10-04 Weber Gesellschaft für Hüttenelektronik mbH, 2201 Kollmar Anordnung zur funktionsueberpruefung von induktiven naeherungsschaltern
DE3914387A1 (de) * 1988-05-03 1989-11-16 Euchner & Co Sicherheits-naeherungsschalter
DE4114110C1 (en) * 1991-04-30 1993-01-21 Gerno Soyck Gmbh, 5885 Schalksmuehle, De Inductive proximity sensor monitoring arrangement - has HF frequency generator divided into two oscillators, with evaluation of total current from DC source
DE4242164C2 (de) * 1992-09-30 1995-04-27 Hiss Eckart Sicherheitssensor
DE19716914C1 (de) * 1997-04-23 1998-09-17 Siemens Ag Näherungsschalter mit Spulendrahtbrucherkennung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177216A (en) * 1985-07-05 1987-01-14 Baumer Electric Ag Proximity switch
GB2177216B (en) * 1985-07-05 1989-07-19 Baumer Electric Ag Proximity switch
DE4414748A1 (de) * 1994-04-20 1995-10-26 Pepperl & Fuchs Näherungssensor
DE19913872A1 (de) * 1999-03-26 2000-10-19 Siemens Ag Sensor mit Ausfallüberwachungssystem
DE19913872C2 (de) * 1999-03-26 2001-07-12 Siemens Ag Sensor mit Ausfallüberwachungssystem

Also Published As

Publication number Publication date
FR2149901A5 (de) 1973-03-30
DE2166021A1 (de) 1973-02-22
DE2140056B2 (de) 1973-08-02
DE2166021B2 (de) 1978-01-05
CH544455A (de) 1973-12-28
DE2166021C3 (de) 1978-09-07
DE2140056C3 (de) 1975-05-07
DE2140056A1 (de) 1973-02-22

Similar Documents

Publication Publication Date Title
GB1396739A (en) Proximity switch
GB1127802A (en) Integrated circuit apparatus
GB999858A (en) An endo-radio-sonde
ES2006169A6 (es) Disposicion de conexiones para el funcionamiento de un sensor magnetoelastico
GB1306207A (de)
SE324416B (de)
JPS6471211A (en) Multifrequency type static capacitance sensor
GB1330715A (en) Electronci oscillators
GB1113864A (en) Method and means for measuring linear or angular displacement
GB1086621A (en) An improved colpitts oscillator
GB1093538A (en) Improvements in or relating to switched frequency oscillators
JPS5348131A (en) Oscillation type contactless igniting device
GB1070081A (en) Improvements in or relating to apparatus for the direct measurement of capacitance
GB1093164A (en) Improvements in or relating to electric oscillators
IT949966B (it) Dispositivo semiconduttore per la produzione di oscillazioni elettri che ad alta frequenza
GB1331902A (en) Inductive proximity switch
ES326923A1 (es) Dispositivo electronico para la medida de pequeños desplazamientos.
GB1031958A (en) Improvements in or relating to d.c. voltage transformer apparatus
GB1251417A (de)
GB1070842A (en) Improvements in or relating to high frequency circuit arrangements for capacity transducers
SU448471A1 (ru) Преобразователь неэлектрических величин в электрические сигналы
GB1054248A (en) Proximity Detector
ZA757223B (en) A circuit arrangement for the evaluation of received oscillations of predetermined frequency
GB1261240A (en) Current controlled oscillator circuit
GB1317552A (en) Electric power control

Legal Events

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