GB8616255D0 - Proximity switch - Google Patents

Proximity switch

Info

Publication number
GB8616255D0
GB8616255D0 GB868616255A GB8616255A GB8616255D0 GB 8616255 D0 GB8616255 D0 GB 8616255D0 GB 868616255 A GB868616255 A GB 868616255A GB 8616255 A GB8616255 A GB 8616255A GB 8616255 D0 GB8616255 D0 GB 8616255D0
Authority
GB
United Kingdom
Prior art keywords
proximity switch
proximity
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.)
Granted
Application number
GB868616255A
Other versions
GB2177216A (en
GB2177216B (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.)
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 GB8616255D0 publication Critical patent/GB8616255D0/en
Publication of GB2177216A publication Critical patent/GB2177216A/en
Application granted granted Critical
Publication of GB2177216B publication Critical patent/GB2177216B/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
    • H03K17/08—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
GB8616255A 1985-07-05 1986-07-03 Proximity switch Expired GB2177216B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8616255D0 true GB8616255D0 (en) 1986-08-13
GB2177216A GB2177216A (en) 1987-01-14
GB2177216B GB2177216B (en) 1989-07-19

Family

ID=4244735

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8616255A Expired GB2177216B (en) 1985-07-05 1986-07-03 Proximity switch

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
DE3320413C2 (en) * 1983-06-06 1987-01-02 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
DE3619975A1 (en) 1987-01-08
FR2584550A1 (en) 1987-01-09
FR2584550B1 (en) 1991-11-15
GB2177216A (en) 1987-01-14
CH668872A5 (en) 1989-01-31
JPS6213119A (en) 1987-01-21
GB2177216B (en) 1989-07-19

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Legal Events

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

Effective date: 19950703