ITMI20030334A1 - PROCEDURE FOR MEASURING THE POSITION OF MOBILE ELEMENTS THROUGH OPTICAL DEVICES AND RELATED DEVICES AND EQUIPMENT. - Google Patents

PROCEDURE FOR MEASURING THE POSITION OF MOBILE ELEMENTS THROUGH OPTICAL DEVICES AND RELATED DEVICES AND EQUIPMENT.

Info

Publication number
ITMI20030334A1
ITMI20030334A1 ITMI20030334A ITMI20030334A1 IT MI20030334 A1 ITMI20030334 A1 IT MI20030334A1 IT MI20030334 A ITMI20030334 A IT MI20030334A IT MI20030334 A1 ITMI20030334 A1 IT MI20030334A1
Authority
IT
Italy
Prior art keywords
procedure
measuring
devices
equipment
mobile elements
Prior art date
Application number
Other languages
Italian (it)
Inventor
Giuseppe Terzaghi
Original Assignee
Bonetti Cesare Spa
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 Bonetti Cesare Spa filed Critical Bonetti Cesare Spa
Priority to ITMI20030334 priority Critical patent/ITMI20030334A1/en
Priority to PCT/EP2004/001617 priority patent/WO2004076987A1/en
Publication of ITMI20030334A1 publication Critical patent/ITMI20030334A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Optical Transform (AREA)
ITMI20030334 2003-02-25 2003-02-25 PROCEDURE FOR MEASURING THE POSITION OF MOBILE ELEMENTS THROUGH OPTICAL DEVICES AND RELATED DEVICES AND EQUIPMENT. ITMI20030334A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI20030334 ITMI20030334A1 (en) 2003-02-25 2003-02-25 PROCEDURE FOR MEASURING THE POSITION OF MOBILE ELEMENTS THROUGH OPTICAL DEVICES AND RELATED DEVICES AND EQUIPMENT.
PCT/EP2004/001617 WO2004076987A1 (en) 2003-02-25 2004-02-18 Method for measuring the position of movable elements by means of optical devices and associated apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20030334 ITMI20030334A1 (en) 2003-02-25 2003-02-25 PROCEDURE FOR MEASURING THE POSITION OF MOBILE ELEMENTS THROUGH OPTICAL DEVICES AND RELATED DEVICES AND EQUIPMENT.

Publications (1)

Publication Number Publication Date
ITMI20030334A1 true ITMI20030334A1 (en) 2004-08-26

Family

ID=32923037

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI20030334 ITMI20030334A1 (en) 2003-02-25 2003-02-25 PROCEDURE FOR MEASURING THE POSITION OF MOBILE ELEMENTS THROUGH OPTICAL DEVICES AND RELATED DEVICES AND EQUIPMENT.

Country Status (2)

Country Link
IT (1) ITMI20030334A1 (en)
WO (1) WO2004076987A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2985566B1 (en) 2012-01-06 2015-06-12 Technicatome LIQUID LEVEL SENSOR WITH FREE FLOAT

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836632A (en) * 1988-05-16 1989-06-06 National Magnetic Sensors Inc. Fiber optic liquid level sensor
JP2658293B2 (en) * 1988-11-07 1997-09-30 富士通株式会社 Optical liquid level sensor
JPH10133156A (en) * 1996-10-30 1998-05-22 Niles Parts Co Ltd Magnetic dielectric optical fiber device
US6223066B1 (en) * 1998-01-21 2001-04-24 Biosense, Inc. Optical position sensors
US6229476B1 (en) * 1998-11-27 2001-05-08 Endress+ Hauser Gmbh+ Co. Liquid level meter
JP2001108510A (en) * 1999-10-12 2001-04-20 Ngk Insulators Ltd Optical magnetic level gauge

Also Published As

Publication number Publication date
WO2004076987A1 (en) 2004-09-10

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