GB8616255D0 - Proximity switch - Google Patents
Proximity switchInfo
- 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
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
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)
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)
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 |
-
1985
- 1985-07-05 CH CH292685A patent/CH668872A5/en not_active IP Right Cessation
-
1986
- 1986-06-13 DE DE19863619975 patent/DE3619975A1/en not_active Withdrawn
- 1986-06-19 FR FR8608857A patent/FR2584550B1/en not_active Expired - Lifetime
- 1986-07-03 GB GB8616255A patent/GB2177216B/en not_active Expired
- 1986-07-05 JP JP15722286A patent/JPS6213119A/en active Pending
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 |