FR2584550B1 - PROXIMITY SENSOR - Google Patents

PROXIMITY SENSOR

Info

Publication number
FR2584550B1
FR2584550B1 FR8608857A FR8608857A FR2584550B1 FR 2584550 B1 FR2584550 B1 FR 2584550B1 FR 8608857 A FR8608857 A FR 8608857A FR 8608857 A FR8608857 A FR 8608857A FR 2584550 B1 FR2584550 B1 FR 2584550B1
Authority
FR
France
Prior art keywords
proximity sensor
proximity
sensor
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 - Lifetime
Application number
FR8608857A
Other languages
French (fr)
Other versions
FR2584550A1 (en
Inventor
Bruno Weisshaupt
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.)
Baumer Electric AG
Original Assignee
Baumer Electric AG
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 Baumer Electric AG filed Critical Baumer Electric AG
Publication of FR2584550A1 publication Critical patent/FR2584550A1/en
Application granted granted Critical
Publication of FR2584550B1 publication Critical patent/FR2584550B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/18—Modifications for indicating state of switch
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K2017/0806—Modifications for protecting switching circuit against overcurrent or overvoltage against excessive temperature
FR8608857A 1985-07-05 1986-06-19 PROXIMITY SENSOR Expired - Lifetime FR2584550B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH292685A CH668872A5 (en) 1985-07-05 1985-07-05 PROXIMITY SWITCH.

Publications (2)

Publication Number Publication Date
FR2584550A1 FR2584550A1 (en) 1987-01-09
FR2584550B1 true FR2584550B1 (en) 1991-11-15

Family

ID=4244735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8608857A Expired - Lifetime FR2584550B1 (en) 1985-07-05 1986-06-19 PROXIMITY SENSOR

Country Status (5)

Country Link
JP (1) JPS6213119A (en)
CH (1) CH668872A5 (en)
DE (1) DE3619975A1 (en)
FR (1) FR2584550B1 (en)
GB (1) GB2177216B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815698A1 (en) * 1988-05-07 1989-11-16 Balluff Gebhard Feinmech SELF-TESTING, CAPACITIVE PROXIMITY SWITCH
EP0399242B1 (en) * 1989-05-19 1996-03-20 Festo KG Temperature stabilized inductive proximity switch
JP2586448Y2 (en) * 1992-11-02 1998-12-09 日本ホランド株式会社 Lock coupling detection device for the fifth wheel lock mechanism
GB9411851D0 (en) * 1994-06-14 1994-08-03 Coeval Products Ltd Vehicle warning system
SE0202715D0 (en) 2002-09-12 2002-09-12 Goeran Hansson Capacitive clamp protection
EP2479892B1 (en) 2011-01-19 2013-08-28 Sensirion AG Input device
EP2498481A1 (en) 2011-03-09 2012-09-12 Sensirion AG Mobile phone with humidity sensor
CN105359415B (en) 2013-05-20 2017-03-08 Abb 技术有限公司 Non-contact type approach switch for machine safety

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB642495A (en) * 1947-09-06 1950-09-06 Westinghouse Brake & Signal Self checking means for apparatus for comparing the impedance of two electric circuits
DE1809100B2 (en) * 1968-11-15 1971-09-02 SAFETY LIMIT SWITCH FOR CONTACTLESS SWITCHING
DE2140056C3 (en) * 1971-08-10 1975-05-07 Eduard 7303 Neuhausen Hermle Contactless controllable proximity switch
DE2451100C2 (en) * 1973-10-29 1983-01-13 Xenex Corp., Woburn, Mass. Self-monitoring device for a safety device for controlling a machine as a function of the penetration of an object into a protection zone
JPS5931723B2 (en) * 1977-07-29 1984-08-03 株式会社東芝 input/output device
SE418426B (en) * 1978-04-10 1981-05-25 Telub Ab Light Curtain
JPS5562630A (en) * 1978-11-02 1980-05-12 Omron Tateisi Electronics Co Proximity switch
DE3001168A1 (en) * 1980-01-15 1981-07-23 Philips Patentverwaltung Gmbh, 2000 Hamburg Automatic electrical equipment safety system testing - performed continuously as defined intervals, or on demand using dedicated circuits for testing e.g. isolation resistance and leakage current
DE3110390A1 (en) * 1981-03-18 1982-10-07 Gebhard Balluff, Fabrik Feinmechanischer Erzeugnisse, 7303 Neuhausen TEST AND EVALUATION FOR PROXIMITY SWITCHES IN MACHINE CONTROLS
DE3121645A1 (en) * 1981-05-30 1982-12-16 Robert Bosch Gmbh, 7000 Stuttgart Method and device for detecting faults in transmitters/sensors in vehicles
DE3131490A1 (en) * 1981-08-08 1983-07-21 Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co, 7303 Neuhausen Proximity switch
DE3320413A1 (en) * 1983-06-06 1984-12-13 Pepperl & Fuchs Gmbh & Co Kg, 6800 Mannheim Switching device with an initiator containing an oscillator
DE3327188A1 (en) * 1983-07-28 1985-02-14 Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co, 7303 Neuhausen SELF-TESTING PROXIMITY SWITCH

Also Published As

Publication number Publication date
CH668872A5 (en) 1989-01-31
FR2584550A1 (en) 1987-01-09
JPS6213119A (en) 1987-01-21
GB2177216B (en) 1989-07-19
GB8616255D0 (en) 1986-08-13
DE3619975A1 (en) 1987-01-08
GB2177216A (en) 1987-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse