IT1113267B - Perfezionamento nei rivelatori magnetici della posizione di un elemento mobile - Google Patents

Perfezionamento nei rivelatori magnetici della posizione di un elemento mobile

Info

Publication number
IT1113267B
IT1113267B IT48509/77A IT4850977A IT1113267B IT 1113267 B IT1113267 B IT 1113267B IT 48509/77 A IT48509/77 A IT 48509/77A IT 4850977 A IT4850977 A IT 4850977A IT 1113267 B IT1113267 B IT 1113267B
Authority
IT
Italy
Prior art keywords
improvement
mobile element
magnetic detectors
detectors
magnetic
Prior art date
Application number
IT48509/77A
Other languages
English (en)
Italian (it)
Original Assignee
Petrole Service
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 Petrole Service filed Critical Petrole Service
Application granted granted Critical
Publication of IT1113267B publication Critical patent/IT1113267B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Level Indicators Using A Float (AREA)
  • Geophysics And Detection Of Objects (AREA)
IT48509/77A 1976-03-23 1977-03-16 Perfezionamento nei rivelatori magnetici della posizione di un elemento mobile IT1113267B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7608403A FR2345700A2 (fr) 1976-03-23 1976-03-23 Perfectionnements aux dispositifs detecteurs magnetiques de la position d'un element mobile

Publications (1)

Publication Number Publication Date
IT1113267B true IT1113267B (it) 1986-01-20

Family

ID=9170812

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48509/77A IT1113267B (it) 1976-03-23 1977-03-16 Perfezionamento nei rivelatori magnetici della posizione di un elemento mobile

Country Status (7)

Country Link
US (1) US4135137A (OSRAM)
JP (1) JPS52138156A (OSRAM)
DE (1) DE2712768A1 (OSRAM)
ES (2) ES457067A2 (OSRAM)
FR (1) FR2345700A2 (OSRAM)
GB (1) GB1558728A (OSRAM)
IT (1) IT1113267B (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186419A (en) * 1978-11-20 1980-01-29 Sims Bobby H Apparatus for monitoring and controlling liquid level
US4313114A (en) * 1980-05-30 1982-01-26 Leupold & Stevens, Inc. Liquid level recorder apparatus and method for storing level differences in memory
DE3919414A1 (de) * 1989-06-14 1990-12-20 Imo Ind Gmbh Schwimmerschalter
DE102004004102B3 (de) * 2004-01-27 2005-01-27 Siemens Ag Magnetisch passiver Positions-Sensor
JP4190544B2 (ja) * 2006-04-18 2008-12-03 トヨタ自動車株式会社 ストップランプスイッチ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3627959A (en) * 1970-03-19 1971-12-14 Sage Laboratories Magnetic latching and switching
FR2209451A5 (OSRAM) * 1972-12-05 1974-06-28 Lenseigne Jean Paul
FR2252555A2 (en) * 1973-11-22 1975-06-20 Lenseigne Jean Magnetic detection of moving element position - is signalled by blade switch operated by change of magnetic field
US3826139A (en) * 1973-03-19 1974-07-30 Laval Turbine Liquid level indicating apparatus
US3824512A (en) * 1973-11-14 1974-07-16 Atomic Energy Commission Magnetic self-latching pressure switch

Also Published As

Publication number Publication date
FR2345700B2 (OSRAM) 1981-09-04
JPS52138156A (en) 1977-11-18
US4135137A (en) 1979-01-16
ES457067A2 (es) 1978-04-01
DE2712768A1 (de) 1977-09-29
ES463055A2 (es) 1978-07-16
GB1558728A (en) 1980-01-09
FR2345700A2 (fr) 1977-10-21

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