CA1060115A - Proximity switch - Google Patents
Proximity switchInfo
- Publication number
- CA1060115A CA1060115A CA239,202A CA239202A CA1060115A CA 1060115 A CA1060115 A CA 1060115A CA 239202 A CA239202 A CA 239202A CA 1060115 A CA1060115 A CA 1060115A
- Authority
- CA
- Canada
- Prior art keywords
- switching
- proximity switch
- source
- capacitor
- load
- 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
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 53
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims 11
- 230000010355 oscillation Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 241001481828 Glyptocephalus cynoglossus Species 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
- G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
- G01V3/102—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude
-
- 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
- H03K17/951—Measures for supplying operating voltage to the detector circuit
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB50629/74A GB1531217A (en) | 1974-11-22 | 1974-11-22 | Proximity switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1060115A true CA1060115A (en) | 1979-08-07 |
Family
ID=10456687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA239,202A Expired CA1060115A (en) | 1974-11-22 | 1975-11-03 | Proximity switch |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1060115A (enExample) |
| FR (1) | FR2292242A1 (enExample) |
| GB (1) | GB1531217A (enExample) |
| IT (1) | IT1051270B (enExample) |
| ZA (1) | ZA756924B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3041840C2 (de) * | 1980-11-06 | 1989-01-12 | Honeywell Gmbh, 6050 Offenbach | Zweidraht-Speiseschaltung |
| GB2180938B (en) * | 1985-09-24 | 1990-02-28 | Square D Co | Low leakage, a c proximity switch circuit |
| RU2169677C2 (ru) * | 1999-05-19 | 2001-06-27 | Гладкий Юрий Александрович | Путевой датчик |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1924279C3 (de) * | 1969-05-13 | 1975-06-12 | Hans 4330 Muelheim Turck | Zweipolige Thyristor-Schaltvorrichtung für Wechselstromkreise |
| FR2148789A5 (enExample) * | 1971-08-02 | 1973-03-23 | Crouzet Sa |
-
1974
- 1974-11-22 GB GB50629/74A patent/GB1531217A/en not_active Expired
-
1975
- 1975-11-03 CA CA239,202A patent/CA1060115A/en not_active Expired
- 1975-11-04 ZA ZA00756924A patent/ZA756924B/xx unknown
- 1975-11-21 IT IT69884/75A patent/IT1051270B/it active
- 1975-11-21 FR FR7535599A patent/FR2292242A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ZA756924B (en) | 1976-10-27 |
| FR2292242B1 (enExample) | 1982-07-09 |
| GB1531217A (en) | 1978-11-08 |
| FR2292242A1 (fr) | 1976-06-18 |
| IT1051270B (it) | 1981-04-21 |
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