CH622651A5 - - Google Patents
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- Publication number
- CH622651A5 CH622651A5 CH374677A CH374677A CH622651A5 CH 622651 A5 CH622651 A5 CH 622651A5 CH 374677 A CH374677 A CH 374677A CH 374677 A CH374677 A CH 374677A CH 622651 A5 CH622651 A5 CH 622651A5
- Authority
- CH
- Switzerland
- Prior art keywords
- thyristor
- voltage
- oscillator
- transistor
- constant current
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—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
- Electronic Switches (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Power Conversion In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2616773A DE2616773B2 (de) | 1976-04-15 | 1976-04-15 | Elektronisches Schaltgerät |
Publications (1)
Publication Number | Publication Date |
---|---|
CH622651A5 true CH622651A5 (it) | 1981-04-15 |
Family
ID=5975515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH374677A CH622651A5 (it) | 1976-04-15 | 1977-03-24 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4117393A (it) |
JP (1) | JPS52127055A (it) |
CH (1) | CH622651A5 (it) |
DE (1) | DE2616773B2 (it) |
FR (1) | FR2348605A1 (it) |
GB (1) | GB1564870A (it) |
IT (1) | IT1077917B (it) |
SE (1) | SE425281B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2711877C3 (de) * | 1977-03-18 | 1979-09-13 | Robert 7995 Neukirch Buck | Elektronisches Schaltgerät |
DE2801722A1 (de) * | 1978-01-16 | 1979-07-19 | Siemens Ag | Schaltungsanordnung zum herabsetzen der freiwerdezeit eines thyristors |
JPS5590027A (en) * | 1978-12-28 | 1980-07-08 | Omron Tateisi Electronics Co | Twoowire ac switch proxility switch |
JPS55149533A (en) * | 1979-05-10 | 1980-11-20 | Omron Tateisi Electronics Co | Two-line type alternating current switching contactless switch |
DE2931880C2 (de) * | 1979-08-06 | 1988-07-07 | Pepperl & Fuchs Gmbh & Co Kg, 6800 Mannheim | Berührungslos betätigbarer elektronischer Schalter |
DE2931879C2 (de) * | 1979-08-06 | 1988-07-28 | Pepperl & Fuchs Gmbh & Co Kg, 6800 Mannheim | Berührungslos betätigbarer elektronischer Schalter |
FR2497423A1 (fr) * | 1980-12-31 | 1982-07-02 | Telemecanique Electrique | Appareil detecteur du type a deux bornes, comportant un circuit d'alimentation en courant alternatif redresse et de commande d'une charge a l'aide de thyristors de commutation |
FR2497424A1 (fr) * | 1980-12-31 | 1982-07-02 | Telemecanique Electrique | Appareil detecteur du type a deux bornes alimente en courant alternatif redresse sous une tension pouvant varier dans une large gamme avec commande de la charge a l'aide de thyristors de commutation |
GB2195441A (en) * | 1986-09-02 | 1988-04-07 | Ritchie Gordon S | In-line proximity switch |
US4803418A (en) * | 1986-09-02 | 1989-02-07 | Ritchie Gordon S | In-line electrical switch for AC power supply |
DE3722334A1 (de) * | 1987-07-07 | 1989-02-09 | Ifm Electronic Gmbh | Elektronisches, beruehrungslos arbeitendes schaltgeraet |
DE3722335A1 (de) * | 1987-07-07 | 1989-01-19 | Ifm Electronic Gmbh | Elektronisches, vorzugsweise beruehrungslos arbeitendes schaltgeraet |
DE4238992C2 (de) * | 1992-11-19 | 1996-03-21 | Ifm Electronic Gmbh | Verfahren und Vorrichtung zum berührungslosen Nachweis der Annäherung eines Ansprechkörpers |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1092101A (en) * | 1964-01-27 | 1967-11-22 | Sangamo Weston | Improvements in or relating to electric voltage measuring apparatus |
US3679961A (en) * | 1971-07-07 | 1972-07-25 | Ramsey Controls Inc | Buffer amplifier and voltage regulating circuit |
DE2330233C3 (de) * | 1973-06-14 | 1975-12-11 | Robert 7995 Neukirch Buck | Elektronisches, vorzugsweise berührungslos arbeitendes SchaHgerät |
AT330900B (de) * | 1974-02-20 | 1976-07-26 | Siemens Ag | Zundschaltungsanordnung fur ein elektrisches ventil, insbesondere fur einen thyristor |
US3988661A (en) * | 1974-12-24 | 1976-10-26 | General Electric Company | Power supply system for generating constant power under maximum current conditions |
-
1976
- 1976-04-15 DE DE2616773A patent/DE2616773B2/de not_active Ceased
-
1977
- 1977-03-24 CH CH374677A patent/CH622651A5/de not_active IP Right Cessation
- 1977-03-28 SE SE7703506A patent/SE425281B/xx unknown
- 1977-03-30 GB GB13310/77A patent/GB1564870A/en not_active Expired
- 1977-04-13 JP JP4159377A patent/JPS52127055A/ja active Pending
- 1977-04-14 FR FR7711266A patent/FR2348605A1/fr active Granted
- 1977-04-14 US US05/787,496 patent/US4117393A/en not_active Expired - Lifetime
- 1977-04-15 IT IT22485/77A patent/IT1077917B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2616773B2 (de) | 1978-09-14 |
FR2348605A1 (fr) | 1977-11-10 |
SE7703506L (sv) | 1977-10-16 |
US4117393A (en) | 1978-09-26 |
GB1564870A (en) | 1980-04-16 |
DE2616773A1 (de) | 1977-10-27 |
SE425281B (sv) | 1982-09-13 |
FR2348605B1 (it) | 1982-07-30 |
JPS52127055A (en) | 1977-10-25 |
IT1077917B (it) | 1985-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |