AT293522B - Contactless switching device - Google Patents

Contactless switching device

Info

Publication number
AT293522B
AT293522B AT240369A AT240369A AT293522B AT 293522 B AT293522 B AT 293522B AT 240369 A AT240369 A AT 240369A AT 240369 A AT240369 A AT 240369A AT 293522 B AT293522 B AT 293522B
Authority
AT
Austria
Prior art keywords
switching device
contactless switching
contactless
switching
Prior art date
Application number
AT240369A
Other languages
German (de)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of AT293522B publication Critical patent/AT293522B/en

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
AT240369A 1968-04-06 1969-03-11 Contactless switching device AT293522B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681762105 DE1762105A1 (en) 1968-04-06 1968-04-06 Contactless switching device

Publications (1)

Publication Number Publication Date
AT293522B true AT293522B (en) 1971-10-11

Family

ID=5696865

Family Applications (1)

Application Number Title Priority Date Filing Date
AT240369A AT293522B (en) 1968-04-06 1969-03-11 Contactless switching device

Country Status (2)

Country Link
AT (1) AT293522B (en)
DE (1) DE1762105A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2280239A1 (en) * 1974-07-26 1976-02-20 Unicum Sa Automatic position controller for conductive band - has self-inductive oscillator circuit on either side of conductive band
FR2980654B1 (en) * 2011-09-27 2019-08-02 Schneider Electric Industries Sas LC DETECTION OSCILLATOR FOR INDUCTIVE PROXIMITY DETECTOR ROBUST RADIATIVE ENVIRONMENTS
DE102012008543A1 (en) * 2012-05-02 2013-11-07 K.A.Schmersal Gmbh Switch device for monitoring closing position of floor door, has actuator tuning coil to resonance in closed state of protective unit, where quality of resonance characteristic is tuned coil such that resonance frequency is tolerated

Also Published As

Publication number Publication date
DE1762105A1 (en) 1970-04-16

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee