IT1149229B - ELECTRONIC MANEUVERING EQUIPMENT, OPERATING WITHOUT MECHANICAL CONTACT - Google Patents
ELECTRONIC MANEUVERING EQUIPMENT, OPERATING WITHOUT MECHANICAL CONTACTInfo
- Publication number
- IT1149229B IT1149229B IT25523/80A IT2552380A IT1149229B IT 1149229 B IT1149229 B IT 1149229B IT 25523/80 A IT25523/80 A IT 25523/80A IT 2552380 A IT2552380 A IT 2552380A IT 1149229 B IT1149229 B IT 1149229B
- Authority
- IT
- Italy
- Prior art keywords
- operating
- mechanical contact
- maneuvering equipment
- electronic
- electronic maneuvering
- Prior art date
Links
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
-
- 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
- H03K17/9505—Constructional details
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2943911A DE2943911B1 (en) | 1979-10-31 | 1979-10-31 | Electronic, non-contact switching device |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8025523A0 IT8025523A0 (en) | 1980-10-23 |
IT1149229B true IT1149229B (en) | 1986-12-03 |
Family
ID=6084787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25523/80A IT1149229B (en) | 1979-10-31 | 1980-10-23 | ELECTRONIC MANEUVERING EQUIPMENT, OPERATING WITHOUT MECHANICAL CONTACT |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS56107640A (en) |
DE (1) | DE2943911B1 (en) |
FR (1) | FR2469048A1 (en) |
GB (1) | GB2062242A (en) |
IT (1) | IT1149229B (en) |
SE (1) | SE8006315L (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3177316T2 (en) * | 1980-10-29 | 1996-10-31 | Square D Co | proximity switch |
DE3244507C2 (en) * | 1981-12-08 | 1986-02-27 | Werner Turck Gmbh & Co Kg, 5884 Halver | Magnetic field dependent inductive proximity switch |
US4678994A (en) * | 1984-06-27 | 1987-07-07 | Digital Products Corporation | Methods and apparatus employing apparent resonant properties of thin conducting materials |
DE3427498C2 (en) * | 1984-07-26 | 1986-08-07 | Ifm Electronic Gmbh, 4300 Essen | Electronic, preferably non-contact switching device |
DE3438998A1 (en) * | 1984-10-25 | 1986-04-30 | Werner Turck Gmbh & Co Kg, 5884 Halver | Inductive proximity switch which can be installed flush in a metal wall |
DE3722334A1 (en) * | 1987-07-07 | 1989-02-09 | Ifm Electronic Gmbh | ELECTRONIC, CONTACTLESS SWITCHGEAR |
DE3722335A1 (en) * | 1987-07-07 | 1989-01-19 | Ifm Electronic Gmbh | ELECTRONIC, PREFERABLY CONTACTLESS SWITCHGEAR |
DE4111297C1 (en) * | 1991-04-08 | 1992-06-17 | Ifm Electronic Gmbh, 4300 Essen, De | |
DE4023529C3 (en) * | 1990-06-11 | 1995-12-07 | Ifm Electronic Gmbh | Inductive, capacitive or optical proximity switch |
DE4023502A1 (en) * | 1990-07-24 | 1992-02-06 | Ifm Electronic Gmbh | Electronic switch with e.g. opto-electronic proximity sensor |
DE4114763C1 (en) * | 1991-05-06 | 1992-11-05 | Ifm Electronic Gmbh, 4300 Essen, De |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3292052A (en) * | 1963-09-19 | 1966-12-13 | Cutler Hammer Inc | Proximity switching system |
GB1078176A (en) * | 1964-10-13 | 1967-08-02 | Tesla Np | Inductive measuring device |
US3469015A (en) * | 1967-01-13 | 1969-09-23 | Sierracin Corp | Conductive panel |
GB1195782A (en) * | 1967-09-05 | 1970-06-24 | Eltra Corp | Electronic Conductor Detector and Indicator |
FR1592392A (en) * | 1968-11-20 | 1970-05-11 | ||
DE1966213B2 (en) * | 1969-10-10 | 1974-01-17 | Ifm Electronic Geraete Gmbh & Co Kg, 4300 Essen | Electronic, contactless working distance indicator. Eliminated from: 1951137 |
US3659194A (en) * | 1970-11-25 | 1972-04-25 | Alfred A Blackerby | Magnetic sensor having a heat treated housing for collimating the sensor{40 s flux |
DE2220944C2 (en) * | 1972-04-28 | 1974-02-14 | Guenther Dipl.-Ing. 2209 Sushoern Weber | Electronic, contactless switching device |
JPS523706Y2 (en) * | 1973-09-14 | 1977-01-26 |
-
1979
- 1979-10-31 DE DE2943911A patent/DE2943911B1/en not_active Ceased
-
1980
- 1980-09-10 SE SE8006315A patent/SE8006315L/en not_active Application Discontinuation
- 1980-09-26 GB GB8031207A patent/GB2062242A/en not_active Withdrawn
- 1980-10-23 IT IT25523/80A patent/IT1149229B/en active
- 1980-10-27 JP JP14949280A patent/JPS56107640A/en active Pending
- 1980-10-28 FR FR8023061A patent/FR2469048A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2062242A (en) | 1981-05-20 |
DE2943911B1 (en) | 1981-06-04 |
FR2469048A1 (en) | 1981-05-08 |
SE8006315L (en) | 1981-05-01 |
IT8025523A0 (en) | 1980-10-23 |
JPS56107640A (en) | 1981-08-26 |
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