WO2003054476A3 - Electrolytic tilt sensor - Google Patents

Electrolytic tilt sensor Download PDF

Info

Publication number
WO2003054476A3
WO2003054476A3 PCT/US2002/040039 US0240039W WO03054476A3 WO 2003054476 A3 WO2003054476 A3 WO 2003054476A3 US 0240039 W US0240039 W US 0240039W WO 03054476 A3 WO03054476 A3 WO 03054476A3
Authority
WO
WIPO (PCT)
Prior art keywords
tilt sensor
chamber
envelope
pair
electrolytic
Prior art date
Application number
PCT/US2002/040039
Other languages
French (fr)
Other versions
WO2003054476A2 (en
Inventor
Charles E Greway
Original Assignee
Fredericks Co
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 Fredericks Co filed Critical Fredericks Co
Priority to AU2002357233A priority Critical patent/AU2002357233A1/en
Priority to DE60221285T priority patent/DE60221285T2/en
Priority to JP2003555143A priority patent/JP4095963B2/en
Priority to EP02805590A priority patent/EP1461587B1/en
Priority to CA2470011A priority patent/CA2470011C/en
Publication of WO2003054476A2 publication Critical patent/WO2003054476A2/en
Publication of WO2003054476A3 publication Critical patent/WO2003054476A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/02—Details
    • G01C9/06—Electric or photoelectric indication or reading means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/02—Details
    • G01C9/06—Electric or photoelectric indication or reading means
    • G01C2009/068—Electric or photoelectric indication or reading means resistive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C2009/182—Measuring inclination, e.g. by clinometers, by levels by using liquids conductive

Abstract

An electrolytic tilt sensor (30) is disclosed which comprises a containment envelope having a metallic container (32) and a header (44) , the envelope defining a chamber (36) and having at least one pair of apertures (46) , an electrolytic solution (37) partially filling the chamber, and at least one pair of electrodes (54) , each electrode including an electrically active, transverse portion (54) positioned within the chamber in a general horizontal alignment with one another defining a tilt axis, and a lead portion (58) extending to the exterior of the envelope through the respective aperture. The tilt sensor may further include a sealing material disposed in each aperture of the providing a substantial fluid-tight seal about the respective electrode.
PCT/US2002/040039 2001-12-13 2002-12-13 Electrolytic tilt sensor WO2003054476A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2002357233A AU2002357233A1 (en) 2001-12-13 2002-12-13 Electrolytic tilt sensor
DE60221285T DE60221285T2 (en) 2001-12-13 2002-12-13 ELECTROLYTIC TILT SENSOR
JP2003555143A JP4095963B2 (en) 2001-12-13 2002-12-13 Electrolyte tilt detector
EP02805590A EP1461587B1 (en) 2001-12-13 2002-12-13 Electrolytic tilt sensor
CA2470011A CA2470011C (en) 2001-12-13 2002-12-13 Electrolytic tilt sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/021,822 2001-12-13
US10/021,822 US6688013B2 (en) 2001-12-13 2001-12-13 Electrolytic-tilt-sensor

Publications (2)

Publication Number Publication Date
WO2003054476A2 WO2003054476A2 (en) 2003-07-03
WO2003054476A3 true WO2003054476A3 (en) 2003-11-06

Family

ID=21806340

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/040039 WO2003054476A2 (en) 2001-12-13 2002-12-13 Electrolytic tilt sensor

Country Status (7)

Country Link
US (1) US6688013B2 (en)
EP (1) EP1461587B1 (en)
JP (1) JP4095963B2 (en)
AU (1) AU2002357233A1 (en)
CA (1) CA2470011C (en)
DE (1) DE60221285T2 (en)
WO (1) WO2003054476A2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7124634B2 (en) * 2003-07-29 2006-10-24 The Boeing Company Single plate capacitive acceleration derivative detector
US7190278B2 (en) * 2004-03-08 2007-03-13 Nuvo Holdings, Llc Asset tag with event detection capabilities
US7088258B2 (en) * 2004-03-08 2006-08-08 Nuvo Holdings, Llc Tilt sensor apparatus and method therefor
US7310577B2 (en) * 2004-09-29 2007-12-18 The Boeing Company Integrated capacitive bridge and integrated flexure functions inertial measurement unit
US6993849B1 (en) * 2004-11-05 2006-02-07 The Boeing Company Capacitive balance leveling device
US7360425B2 (en) * 2004-11-22 2008-04-22 The Boeing Company Compensated composite structure
US7228739B2 (en) 2004-11-23 2007-06-12 The Boeing Company Precision flexure plate
US7055254B1 (en) 2004-11-24 2006-06-06 Universitat Bremen Tiltsensor
US7331229B2 (en) * 2004-12-09 2008-02-19 The Boeing Company Magnetic null accelerometer
US7137208B2 (en) * 2004-12-14 2006-11-21 The Boeing Company Leveling device
US7100294B1 (en) * 2005-03-24 2006-09-05 Spectron Glass And Electronics, Inc Method of sensing tilt, tilt sensor, and method of manufacturing same
US7296470B2 (en) * 2005-04-14 2007-11-20 The Boeing Company Extended accuracy flexured plate dual capacitance accelerometer
US7370429B2 (en) * 2006-08-29 2008-05-13 Hall Floyd E Integrated electronic level device
US7886451B2 (en) * 2008-03-05 2011-02-15 The Fredericks Company Integral electrode tilt sensor and method for making same
JP2010096725A (en) * 2008-10-20 2010-04-30 Keio Gijuku Inclination sensor
CN104058366B (en) * 2013-03-19 2016-05-18 硕英股份有限公司 Micro electromechanical structure preparation method
KR102356699B1 (en) * 2017-04-28 2022-01-27 한국전자통신연구원 Manufacturing method of sensor using 3d printing and 3d printer thereof
US10681434B2 (en) * 2018-02-08 2020-06-09 Sensor 42, LLC Intelligent POE sensor architecture, system and method
CN108981668A (en) * 2018-10-12 2018-12-11 苏州合衡动电子科技有限公司 High-precision dual-axis obliquity sensor
WO2021245777A1 (en) * 2020-06-02 2021-12-09 日本電信電話株式会社 Tilting sensor and detection system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252727A (en) * 1938-08-24 1941-08-19 Gulf Research Development Co Telemetric level
GB937162A (en) * 1959-06-12 1963-09-18 English Electric Co Ltd Improvements in or relating to tilt-sensitive devices
US3843539A (en) * 1972-06-26 1974-10-22 North American Rockwell Electrolytic solution for level devices
US4583296A (en) * 1984-05-07 1986-04-22 Marelli Autronica S.P.A. Electrical inclination sensor and method for its manufacture
EP0358788A1 (en) * 1988-09-13 1990-03-21 G. + G. Technics Ag Electrolytic inclination sensor
EP0706028A1 (en) * 1994-10-04 1996-04-10 Licentia Patent-Verwaltungs-GmbH Inclination sensor and method for its manufacture
US5612679A (en) * 1995-03-14 1997-03-18 Burgess; Lester E. Electrolytic tilt sensor
US5630280A (en) * 1995-05-01 1997-05-20 The Fredericks Company Dual axis electrolytic tilt sensor
US6249984B1 (en) * 2000-04-06 2001-06-26 The Fredericks Company Electrolytic tilt sensor having a metallic envelope

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713726A (en) 1948-09-23 1955-07-26 Northrop Aircraft Inc Bubble level condition indicator
US3290786A (en) 1963-11-01 1966-12-13 Mithras Inc Attitude sensing apparatus
US3487303A (en) 1967-01-24 1969-12-30 Singer General Precision Device for sensing deviation from the vertical position
JPS61212713A (en) * 1985-03-18 1986-09-20 Diesel Kiki Co Ltd Sensor
DE4025184A1 (en) 1990-08-09 1992-02-20 Vdo Schindling Sensor detecting acceleration or inclination of motor vehicle - has metal anodes with protective oxide coatings in electrolyte in container forming cathode
US5237753A (en) 1992-05-18 1993-08-24 Lucas Sensing Systems, Inc. Capacitive gravity sensor and inclinometer
KR960001716A (en) 1994-06-17 1996-01-25 전성원 Tilt sensor
US5680708A (en) 1996-01-16 1997-10-28 Precision Navigation, Inc. Temperature compensated tilt sensor
JP2990342B2 (en) 1996-03-15 1999-12-13 ニッショー機器株式会社 Uniaxial horizontal sensor
JPH10318747A (en) * 1997-05-16 1998-12-04 Asahi Optical Co Ltd Inclination sensor
US5852878A (en) 1997-07-14 1998-12-29 The Fredericks Company Electrolytic tilt sensing device
JP3659855B2 (en) * 2000-02-25 2005-06-15 株式会社タイコーデバイス Tilt sensor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252727A (en) * 1938-08-24 1941-08-19 Gulf Research Development Co Telemetric level
GB937162A (en) * 1959-06-12 1963-09-18 English Electric Co Ltd Improvements in or relating to tilt-sensitive devices
US3843539A (en) * 1972-06-26 1974-10-22 North American Rockwell Electrolytic solution for level devices
US4583296A (en) * 1984-05-07 1986-04-22 Marelli Autronica S.P.A. Electrical inclination sensor and method for its manufacture
EP0358788A1 (en) * 1988-09-13 1990-03-21 G. + G. Technics Ag Electrolytic inclination sensor
EP0706028A1 (en) * 1994-10-04 1996-04-10 Licentia Patent-Verwaltungs-GmbH Inclination sensor and method for its manufacture
US5612679A (en) * 1995-03-14 1997-03-18 Burgess; Lester E. Electrolytic tilt sensor
US5630280A (en) * 1995-05-01 1997-05-20 The Fredericks Company Dual axis electrolytic tilt sensor
US6249984B1 (en) * 2000-04-06 2001-06-26 The Fredericks Company Electrolytic tilt sensor having a metallic envelope

Also Published As

Publication number Publication date
US6688013B2 (en) 2004-02-10
DE60221285T2 (en) 2008-04-10
WO2003054476A2 (en) 2003-07-03
JP2005513461A (en) 2005-05-12
CA2470011C (en) 2011-11-08
EP1461587A2 (en) 2004-09-29
JP4095963B2 (en) 2008-06-04
DE60221285D1 (en) 2007-08-30
EP1461587B1 (en) 2007-07-18
AU2002357233A1 (en) 2003-07-09
US20030110652A1 (en) 2003-06-19
CA2470011A1 (en) 2003-07-03

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