DE1951137B2 - ELECTRONIC, CONTACTLESS SWITCHING DEVICE - Google Patents
ELECTRONIC, CONTACTLESS SWITCHING DEVICEInfo
- Publication number
- DE1951137B2 DE1951137B2 DE19691951137 DE1951137A DE1951137B2 DE 1951137 B2 DE1951137 B2 DE 1951137B2 DE 19691951137 DE19691951137 DE 19691951137 DE 1951137 A DE1951137 A DE 1951137A DE 1951137 B2 DE1951137 B2 DE 1951137B2
- Authority
- DE
- Germany
- Prior art keywords
- oscillator
- electronic
- switching
- switching device
- switch
- 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.)
- Pending
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
- H03K17/9537—Proximity switches using a magnetic detector using inductive coils in a resonant circuit
- H03K17/9542—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator
- H03K17/9547—Proximity switches using a magnetic detector using inductive coils in a resonant circuit forming part of an oscillator with variable amplitude
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/14—Modifications for compensating variations of physical values, e.g. of temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for ac voltages or currents
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/73—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for dc voltages or currents
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Electronic Switches (AREA)
Description
35 kann.35 can.
Das erfindungsgemäße elektronische, berührungslos arbeitende Schaltgerät, bei dem diese AufgabeThe inventive electronic, contactless switching device, in which this task
Die Erfindung betrifft ein elektronisches, beruh- gelöst ist, ist dadurch gekennzeichnet, daß der Hilfsrungslos arbeitendes Schaltgerät, das über insgesamt widerstand und die Schaltstrecke des elektronischen zwei Anschlußleiter einerseits an eine Spannungs- 40 Schalters parallel geschaltet sind und die Parallelquelle und andererseits an eine Last anschließbar ist, schaltung aus dem Hilfswiderstand und der Schaltbestehend aus einem von außen beeinflußbaren Os- strecke des elektronischen Schalters mit der Zenerzillator, einem von dem Oszillator, gegebenenfalls diode in Reihe geschaltet ist. Bei dem erfindungsgeüber einen Schaltverstärker, steuerbaren elektroni- mäßen Schaltgerät wird also unabhängig davon, ob sehen Schalter, einer Speiseschaltung für den Oszilla- 45 der elektronische Schalter geschlossen ist oder nicht, tor und gegebenenfalls einer Gleichrichter-Brücken- stets ein Strom über die Zenerdiode geführt, der an schaltung, wobei die Speiseschaltung für den Oszilla- der Zenerdiode in Form der Zenerspannung die für tor einen hochohmigen Hilfswiderstand und eine den Oszillator erforderliche Hilfsspannung erzeugt. Zenerdiode aufweist. Bei geschlossenem elektronischem Schalter fließtThe invention relates to an electronic one, which is resolved, is characterized in that the auxiliary raft working switching device that has over total resistance and the switching path of the electronic two connecting conductors are connected in parallel to a voltage switch and the parallel source and on the other hand can be connected to a load, circuit consisting of the auxiliary resistor and the switching from an externally influenceable Os- section of the electronic switch with the Zener oscillator, one of the oscillator, possibly a diode, is connected in series. In the case of the invention A switching amplifier, controllable electronic switching device is therefore independent of whether see switch, a feed circuit for the oscillator 45 the electronic switch is closed or not, tor and, if necessary, a rectifier bridge, a current is always passed through the Zener diode, which is connected to circuit, the feed circuit for the oscillator of the zener diode in the form of the zener voltage for tor generates a high-resistance auxiliary resistor and an auxiliary voltage required for the oscillator. Has zener diode. When the electronic switch is closed, flows
Schaltgeräte der eingangs beschriebenen Art, die 50 nämlich der durch den elektronischen Schalter fliealso kontaktlos ausgeführt sind, werden in zuneh- ßende Strom, bei geöffnetem elektronischen Schalter mendem Maße an Stelle von mechanisch betätigten der durch den Hilfswiderstand fließende Strom durch elektrischen Schaltgeräten, die kontaktbehaftet aus- die Parallelschaltung aus Zenerdiode und Oszillator, geführt sind, in elektrischen Meß-, Steuer- und Re- fällt also an der Zenerdiode die für den Oszillator ergelkreisen verwendet. Da diese elektrischen Schaltge- 55 forderliche Hilfsspannung ab.Switching devices of the type described above, namely the 50 fliealso by the electronic switch are made contactless, the current increases when the electronic switch is open Increasing measure instead of mechanically operated current flowing through the auxiliary resistor electrical switching devices with contacts - the parallel connection of Zener diode and oscillator, are carried out, in electrical measuring, control and Re- falls so on the Zener diode that ergelcircle for the oscillator used. Since this electrical switching 55 required auxiliary voltage.
rate im Gegensatz zu mechanisch betätigten elektri- Im einzelnen gibt es verschiedene Möglichkeiten,rate in contrast to mechanically operated electric- In detail there are different possibilities
sehen Schaltgeräten einer Hilfsspannung für den Os- das erfindungsgemäße elektronische, berührungslossee switching devices of an auxiliary voltage for the Os- the electronic according to the invention, contactless
zillator bedürfen, besteht ein Problem bei der prakti- arbeitende Schaltgerät auszugestalten und weiterzu-need zillator, there is a problem with the practical working switching device to design and continue
schen Ausgestaltung dieser elektronischen Schaltge- bilden. Insbesondere kann als elektronischer Schalterrule design of this electronic circuit form. In particular, it can be used as an electronic switch
rätc in der Schaffung einer entsprechenden Speise- 60 ein Thyristor oder ein Transistor vorgesehen seinA thyristor or transistor should be provided in the creation of a corresponding feed 60
schaltung zur Erzeugung der vom Oszillator benötig- und/oder kann der elektronische Schalter durchcircuit for generating the required by the oscillator and / or the electronic switch can through
ten Hilfsspannung, ein Problem, dessen Lösung des- einen Transistor ansteuerbar sein.th auxiliary voltage, a problem whose solution must be controllable by a transistor.
wegen Schwierigkeiten bereitet, weil insgesamt nur Die durch die Erfindung erreichten Vorteile sindbecause of difficulties, because overall there are only the advantages achieved by the invention
zwei Anschlußleiter zur Verfügung stehen. zusammengefaßt darin zu sehen, daß bei dem erfin-two connecting conductors are available. summarized in the fact that the invented
Bei einer bekannten Ausführungsform eines elek- 65 dungsgemäßen elektronischen Schaltgerät alleineIn a known embodiment of an electronic switching device according to the invention, alone
Ironischen Schallgerütcs der eingangs beschriebenen durch den Hilfswiderstand, den ohnehin vorgesehe-The ironic sound of the one described at the beginning by the auxiliary resistor, which is already provided
An weist tlie Spciscschaltung für den Oszillator die neu elektronischen Schalter und die Zenerdiode dieThe Spcisc circuit for the oscillator indicates the new electronic switch and the Zener diode
Reihenschaltung des hochohmigen Hill'swiderstandcs Erzeugung der für den Oszillator erforderlichenSeries connection of the high-impedance Hill's resistance. Generation of the necessary for the oscillator
Hilfsspannung, in weiten Grenzen vom Lastwider- Grund erübrigt sich, auf die dargestellte Ausfuhrung
stand und der Höhe der Spannung der speisenden des Schaltverstärkers 9 einzugehen. .
Spannungsquelle unabhängig, sichergestellt ist, wobei Wie die Figur zeigt, weist die Speiseschaltur-g 8 zur
ohne Weiteres mehrere der erfindungsgemäßen Erzeugung der für den Oszillator 6 erforder l.chen
Schaltgeräte parallel oder in Reihe geschaltet werden 5 Hilfsspannung eine Zenerdiode 10 und einen hochkönnen,
ohmigen Hilfswiderstand 11 auf Der Hilfswider-Auxiliary voltage, within wide limits of the load resistance reason, is unnecessary, stood on the illustrated embodiment and the level of the voltage of the power supply of the switching amplifier 9 to go into. .
Voltage source independent, is ensured, whereby As the figure shows, the feed circuit 8 has for easily several of the inventive generation of the switching devices required for the oscillator 6 are connected in parallel or in series. ohmic auxiliary resistor 11 on the auxiliary resistor
Im folgenden wird die Erfindung an Hand einer stand 11 und die Schaltstrecke des eleKtrornschenIn the following, the invention is based on a stand 11 and the switching path of the electrical horn
ledislich ein Ausführungsbeispiel darstellenden Schalters 7 sind parallel geschaltet, wahrend d.ePar-Switches 7, which are only one embodiment example, are connected in parallel, while the
Zeichnung näher erläutert; die einzige Figur zeigt das allelschaltung aus dem Hilfswiderstand ii und derDrawing explained in more detail; the single figure shows the allele circuit of the auxiliary resistor ii and the
Schaltbild einer Ausführungsform eines erfindungs- io Schaltstrecke des elektronischen Schalters 7 v.v.x derCircuit diagram of an embodiment of an inventive switching path of the electronic switch 7 vvx
ermäßen Schaltgerätes zum Anschluß an eine Wech- Zenerdiode 10 in Reihe geschähet sind,allow switching device to be connected to an AC Zener diode 10 in series,
selspannung führende Spannungsquelle. Da die dargestellte Ausfuhrungsform des crfin-self-voltage carrying voltage source. Since the illustrated embodiment of the crfin-
Das in der Figur dargestellte elektronische Schalt- dungsgemäßen Schaltgerätes 1 zum Anschluß an eine aerät 1 arbeitet berührungslos, d. h., es spricht auf ein Wechselspannung führende Spannungsqueüe« besieh annäherndes, in der Figur nicht dargestelltes 15 stimmt ist, ist ausgangsseitig noch eine Gleich-Metallteil an und ist über insgesamt zwei Anschluß- richter-Brückenschaltung 12 vorgesehen Insgesairt leiter 2,3 einerseits an eine Spannungsquelle 4 und liegen also die Spannungsquelle 4 die Gleichric > ,ndererseits an eine Last 5 angeschlossen ter-Brückenschaltung 12, die Parallelschaltung ausThe electronic circuit shown in the figure according to the switching device 1 for connection to a aerät 1 works without contact, i.e. That is, it speaks to a voltage source carrying alternating voltage 15, which is approximate, not shown in the figure, is still an identical metal part on the output side and is provided in total via a total of two connector bridge circuits 12 conductors 2,3 on the one hand to a voltage source 4 and so the voltage source 4 are the DC> , on the other hand connected to a load 5 ter bridge circuit 12, the parallel connection off
In seinem grundsätzlichen Aufbau besteht das dar- dem Hilfswiderstand Π und der Schaltstrec^ desIn its basic structure, this consists of the auxiliary resistor Π and the switching circuit ^ des
gestellte elektronische, d.h. kontaktlose Schaltge- *° elektronischen Schalters7, die Zenerdiode 10 undAsked electronic, ie contactless switching * ° electronic switch7, the Zener diode 10 and
rät I aus einem von außen, nämlich durch das Me- die Last 5 in Reihe. ^ ^ ^I advises one from the outside, namely through the Me- the load 5 in series. ^ ^ ^
lallteil, beeinflußbaren, d.h. bedämpfbaren Oszilla- Die Arbeitsweise der SpeiscscftaKung„ «es cr.in-all part, controllable, i.e. attenuated oscillations- The mode of operation of the food activation
tor6. einem von dem Oszillator 6 steuerbaren elek- dungsgemäßen Schaltgerates 1 ist äußerst einfach:goal6. an electrical switching device 1 controllable by the oscillator 6 is extremely simple:
ironischen Schalter7, im dargestellten Ausführungs- Unabhängig davon, ob der elektronische Schalter7ironic switch7, in the illustrated embodiment, regardless of whether the electronic switch7
beispiel einem Thyristor, und einer Speiseschaltung 8 *5 geschlossen ist oder nicht, wird stets ein Strom überfor example a thyristor, and a feed circuit 8 * 5 is closed or not, a current is always over
zur Erzeugung der für den Oszillator 6 erforderlichen die Zenerdiode 10 geführt, der an der Zenerdiode 10to generate the zener diode 10 required for the oscillator 6, the zener diode 10
Hilfsspannung. Zwischen dem Oszillator 6 und dem in Form der Zenerspannung die fur den Oszillator 6Auxiliary voltage. Between the oscillator 6 and the one for the oscillator 6 in the form of the Zener voltage
elektronischen Schalter 7 ist im übrigen noch ein erforderliche Hilfsspannung erzeugt. Bei geschlosse-electronic switch 7, a required auxiliary voltage is also generated. When closed
Schaltverstärker9 vorgesehen, der in Abhängigkeit nem elektronischen Schalter 7 ilieiit nämlich derSwitching amplifier 9 is provided, which is dependent on an electronic switch 7, namely the
vom Zustand des Oszillators 6 den elektronischen 30 durch den elektronischen Schalter 7 fließende Stromfrom the state of the oscillator 6 the electronic 30 through the electronic switch 7 flowing current
Schalter 7. über einen ausgangsseitig vorgesehenen bei geöffnetem elektronischen Schalter 7 der durchSwitch 7. via an output side provided when the electronic switch 7 is open by
Transistor, durchschaltet. den Hilfswiderstand 11 fließende Strom durch dieTransistor, switched on. the auxiliary resistor 11 current flowing through the
Auf die in der Figur dargestellte Ausführung des Parallelschaltung aus Zenerdiode 10 und OsziUa-On the embodiment shown in the figure of the parallel connection of Zener diode 10 and OsziUa-
Oszülators 6 einzugehen erübrigt sich, da diese nicht tor 6, fällt also an der Zenerdiode 10 die fur den Os-There is no need to enter oscillator 6, since this is not gate 6, i.e.
Gegenstand der Erfindung ist. Aus dem gleichen 35 zillator 6 erforderliche Hilfsspannung aD.The subject of the invention is. From the same 35 cillator 6 required auxiliary voltage aD.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (3)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691951137 DE1951137B2 (en) | 1969-10-10 | 1969-10-10 | ELECTRONIC, CONTACTLESS SWITCHING DEVICE |
CH1490870A CH514124A (en) | 1969-10-10 | 1970-10-08 | Electronic, contactless working distance indicator |
CH1490670A CH521689A (en) | 1969-10-10 | 1970-10-08 | Electronic, contactless switching device |
CH1490770A CH521690A (en) | 1969-10-10 | 1970-10-08 | Electronic, contactless switching device |
FR7036531A FR2065247A5 (en) | 1969-10-10 | 1970-10-09 | |
FR7036532A FR2065248A5 (en) | 1969-10-10 | 1970-10-09 | |
FR7036533A FR2065249A5 (en) | 1969-10-10 | 1970-10-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691951137 DE1951137B2 (en) | 1969-10-10 | 1969-10-10 | ELECTRONIC, CONTACTLESS SWITCHING DEVICE |
Publications (2)
Publication Number | Publication Date |
---|---|
DE1951137A1 DE1951137A1 (en) | 1971-05-13 |
DE1951137B2 true DE1951137B2 (en) | 1973-03-01 |
Family
ID=5747849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19691951137 Pending DE1951137B2 (en) | 1969-10-10 | 1969-10-10 | ELECTRONIC, CONTACTLESS SWITCHING DEVICE |
Country Status (3)
Country | Link |
---|---|
CH (3) | CH521689A (en) |
DE (1) | DE1951137B2 (en) |
FR (3) | FR2065247A5 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2500413A1 (en) * | 1974-01-11 | 1975-07-17 | Yamatake Honeywell Co Ltd | AC two-wire proximity switch - has magnetically, capacitively or optically controlled oscillator |
DE2446578A1 (en) * | 1974-09-30 | 1976-04-08 | Siemens Ag | Optically controlled trigger - has supply volts applied at output using voltage divider and zener diode |
FR2475825A1 (en) * | 1980-02-09 | 1981-08-14 | Ifm Electronic Gmbh | ELECTRONIC SWITCHING DEVICE WITH PROXIMITY EFFECT, PROTECTS THE PULSE PULSES |
DE3111753A1 (en) * | 1981-03-25 | 1982-10-07 | Siemens AG, 1000 Berlin und 8000 München | Electronic timer |
DE2446454C2 (en) * | 1974-09-20 | 1984-06-28 | Pulsotronic Merten Gmbh & Co Kg, 5270 Gummersbach | Two-pole, non-contact switching device |
DE3427498A1 (en) * | 1984-07-26 | 1986-02-06 | Ifm Electronic Gmbh, 4300 Essen | ELECTRONIC, PREFERABLY CONTACTLESS SWITCHGEAR |
DE3722335A1 (en) * | 1987-07-07 | 1989-01-19 | Ifm Electronic Gmbh | ELECTRONIC, PREFERABLY CONTACTLESS SWITCHGEAR |
DE3722334A1 (en) * | 1987-07-07 | 1989-02-09 | Ifm Electronic Gmbh | ELECTRONIC, CONTACTLESS SWITCHGEAR |
DE4023529A1 (en) * | 1990-06-11 | 1991-12-19 | Ifm Electronic Gmbh | Electronic proximity detection system with status indicator |
DE4023502A1 (en) * | 1990-07-24 | 1992-02-06 | Ifm Electronic Gmbh | Electronic switch with e.g. opto-electronic proximity sensor |
DE4111297C1 (en) * | 1991-04-08 | 1992-06-17 | Ifm Electronic Gmbh, 4300 Essen, De | |
DE4114763C1 (en) * | 1991-05-06 | 1992-11-05 | Ifm Electronic Gmbh, 4300 Essen, De | |
DE19905170B4 (en) * | 1999-02-08 | 2010-02-25 | Ifm Electronic Gmbh | Electronic, in particular non-contact, pole-switched switching device |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2330233C3 (en) * | 1973-06-14 | 1975-12-11 | Robert 7995 Neukirch Buck | Electronic, preferably contact-free, SchaH device |
DE2330969B2 (en) * | 1973-06-18 | 1976-01-02 | Nixdorf Computer Ag, 4790 Paderborn | Circuit arrangement for generating a defined logic state, in particular for providing monitoring signals in data processing systems |
DE2552310C3 (en) * | 1974-11-22 | 1988-02-11 | Square D Co., Park Ridge, Ill. | Electrical proximity switch |
DE2515654B2 (en) * | 1975-04-10 | 1979-10-18 | Klaschka, Walter, Dr.-Ing., 7531 Tiefenbronn | Proximity switch |
DE2618163C2 (en) * | 1976-04-26 | 1985-08-08 | Eckart Dr.Rer.Nat. 2300 Kiel Hiss | Coil arrangement for proximity switches |
DE2628427C3 (en) * | 1976-06-24 | 1979-06-21 | Robert 7995 Neukirch Buck | Electronic switchgear |
US4117351A (en) * | 1977-03-31 | 1978-09-26 | Rca Corporation | Transistor switching circuit |
BE870387A (en) * | 1978-09-11 | 1979-01-02 | Lecloux Jacques | CINETISM SWITCH |
FR2473700A1 (en) * | 1980-01-11 | 1981-07-17 | Jaeger | PROXIMITY SENSOR |
DE3205737C2 (en) * | 1982-02-18 | 1984-07-05 | Ifm Electronic Gmbh, 4300 Essen | Circuit arrangement for monitoring a switching device and the external conductors connected to it |
DE3238396C2 (en) * | 1982-04-21 | 1994-02-24 | Ifm Electronic Gmbh | Electronic, preferably non-contact switching device |
DE3331000C2 (en) * | 1983-08-27 | 1986-10-30 | Eckart Dr.Rer.Nat. 2300 Kiel Hiss | Rod sensor |
EP0461550B1 (en) * | 1990-06-11 | 1996-09-04 | i f m electronic gmbh | Electronic switching apparatus with state indicator |
US5367198A (en) * | 1990-06-11 | 1994-11-22 | I F M Electronic Gmbh | Proximity detector with error-preventing ambient condition compensation |
DE4031252C1 (en) * | 1990-10-04 | 1991-10-31 | Werner Turck Gmbh & Co Kg, 5884 Halver, De | Inductive proximity switch - detects coil induced voltage difference which is fed to input of oscillator amplifier |
JP3027242B2 (en) * | 1990-10-04 | 2000-03-27 | ヴェルナー トゥルク ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | Inductive proximity switch |
DE4238992C2 (en) * | 1992-11-19 | 1996-03-21 | Ifm Electronic Gmbh | Method and device for contactless detection of the approach of a response body |
DE19517936C1 (en) * | 1995-05-18 | 1996-07-25 | Ifm Electronic Gmbh | Contactless electronic switching device for proximity switch or current monitor |
DE19906342C2 (en) * | 1999-02-16 | 2000-11-30 | Ifm Electronic Gmbh | Electronic, preferably non-contact switching device |
EP1978641A1 (en) * | 2007-04-04 | 2008-10-08 | Senstronic, S.A. | Method for compensation of temperature dependent variation of coil resistance and inductive proximity swich using said method |
JP5801502B1 (en) * | 2015-01-15 | 2015-10-28 | イサハヤ電子株式会社 | Latch circuit and insulation interface circuit |
DE102015119701A1 (en) * | 2015-11-15 | 2017-05-18 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg | Method for operating a capacitive sensor arrangement of a motor vehicle |
-
1969
- 1969-10-10 DE DE19691951137 patent/DE1951137B2/en active Pending
-
1970
- 1970-10-08 CH CH1490670A patent/CH521689A/en not_active IP Right Cessation
- 1970-10-08 CH CH1490770A patent/CH521690A/en not_active IP Right Cessation
- 1970-10-08 CH CH1490870A patent/CH514124A/en not_active IP Right Cessation
- 1970-10-09 FR FR7036531A patent/FR2065247A5/fr not_active Expired
- 1970-10-09 FR FR7036533A patent/FR2065249A5/fr not_active Expired
- 1970-10-09 FR FR7036532A patent/FR2065248A5/fr not_active Expired
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2500413A1 (en) * | 1974-01-11 | 1975-07-17 | Yamatake Honeywell Co Ltd | AC two-wire proximity switch - has magnetically, capacitively or optically controlled oscillator |
DE2446454C2 (en) * | 1974-09-20 | 1984-06-28 | Pulsotronic Merten Gmbh & Co Kg, 5270 Gummersbach | Two-pole, non-contact switching device |
DE2446578A1 (en) * | 1974-09-30 | 1976-04-08 | Siemens Ag | Optically controlled trigger - has supply volts applied at output using voltage divider and zener diode |
FR2475825A1 (en) * | 1980-02-09 | 1981-08-14 | Ifm Electronic Gmbh | ELECTRONIC SWITCHING DEVICE WITH PROXIMITY EFFECT, PROTECTS THE PULSE PULSES |
DE3111753A1 (en) * | 1981-03-25 | 1982-10-07 | Siemens AG, 1000 Berlin und 8000 München | Electronic timer |
DE3427498A1 (en) * | 1984-07-26 | 1986-02-06 | Ifm Electronic Gmbh, 4300 Essen | ELECTRONIC, PREFERABLY CONTACTLESS SWITCHGEAR |
DE3722335A1 (en) * | 1987-07-07 | 1989-01-19 | Ifm Electronic Gmbh | ELECTRONIC, PREFERABLY CONTACTLESS SWITCHGEAR |
DE3722334A1 (en) * | 1987-07-07 | 1989-02-09 | Ifm Electronic Gmbh | ELECTRONIC, CONTACTLESS SWITCHGEAR |
DE3722335C2 (en) * | 1987-07-07 | 1989-11-23 | Ifm Electronic Gmbh, 4300 Essen, De | |
DE4023529A1 (en) * | 1990-06-11 | 1991-12-19 | Ifm Electronic Gmbh | Electronic proximity detection system with status indicator |
DE4023502A1 (en) * | 1990-07-24 | 1992-02-06 | Ifm Electronic Gmbh | Electronic switch with e.g. opto-electronic proximity sensor |
DE4111297C1 (en) * | 1991-04-08 | 1992-06-17 | Ifm Electronic Gmbh, 4300 Essen, De | |
DE4114763C1 (en) * | 1991-05-06 | 1992-11-05 | Ifm Electronic Gmbh, 4300 Essen, De | |
DE19905170B4 (en) * | 1999-02-08 | 2010-02-25 | Ifm Electronic Gmbh | Electronic, in particular non-contact, pole-switched switching device |
Also Published As
Publication number | Publication date |
---|---|
FR2065248A5 (en) | 1971-07-23 |
FR2065247A5 (en) | 1971-07-23 |
CH514124A (en) | 1971-10-15 |
DE1951137A1 (en) | 1971-05-13 |
FR2065249A5 (en) | 1971-07-23 |
CH521689A (en) | 1972-04-15 |
CH521690A (en) | 1972-04-15 |
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