NO853489L - Kapasitiv innretning for maaling av en dielektrisk fibers diameter. - Google Patents

Kapasitiv innretning for maaling av en dielektrisk fibers diameter.

Info

Publication number
NO853489L
NO853489L NO853489A NO853489A NO853489L NO 853489 L NO853489 L NO 853489L NO 853489 A NO853489 A NO 853489A NO 853489 A NO853489 A NO 853489A NO 853489 L NO853489 L NO 853489L
Authority
NO
Norway
Prior art keywords
plates
fiber
dielectric
capacitor
space
Prior art date
Application number
NO853489A
Other languages
English (en)
Norwegian (no)
Inventor
Bruno Fabbri
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of NO853489L publication Critical patent/NO853489L/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01—Manufacture of glass fibres or filaments
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
    • C03B37/0253—Controlling or regulating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/125—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters of objects while moving
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/226—Construction of measuring vessels; Electrodes therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Multicomponent Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Inorganic Fibers (AREA)
  • Inorganic Insulating Materials (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
NO853489A 1984-09-06 1985-09-05 Kapasitiv innretning for maaling av en dielektrisk fibers diameter. NO853489L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67878/84A IT1179098B (it) 1984-09-06 1984-09-06 Perfezionamenti alle apparecchiature a condensatore per la misura del diametro di fibre dielettriche

Publications (1)

Publication Number Publication Date
NO853489L true NO853489L (no) 1986-03-07

Family

ID=11306025

Family Applications (1)

Application Number Title Priority Date Filing Date
NO853489A NO853489L (no) 1984-09-06 1985-09-05 Kapasitiv innretning for maaling av en dielektrisk fibers diameter.

Country Status (12)

Country Link
US (1) US4706014A (de)
EP (1) EP0174017B1 (de)
JP (1) JPS6166902A (de)
AT (1) ATE39023T1 (de)
AU (1) AU4694685A (de)
BR (1) BR8504076A (de)
CA (1) CA1242579A (de)
DE (2) DE174017T1 (de)
DK (1) DK399785A (de)
ES (1) ES8700427A1 (de)
IT (1) IT1179098B (de)
NO (1) NO853489L (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845983A (en) * 1986-11-06 1989-07-11 Zellweger Uster Ag Testing apparatus for textile strands
CH678172A5 (de) * 1989-06-07 1991-08-15 Zellweger Uster Ag
AU640149B2 (en) * 1989-07-06 1993-08-19 Sumitomo Electric Industries, Ltd. Method and device for producing an optical fiber
US5138268A (en) * 1990-08-15 1992-08-11 Steve Mulkey Thickness measuring system for nonconducting materials
FR2692978A1 (fr) * 1992-06-30 1993-12-31 Alcatel Fibres Optiques Dispositif et procédé de contrôle de l'épaisseur et de la régularité d'un revêtement déposé sur un corps isolant allongé.
FR2698962B1 (fr) * 1992-12-07 1995-02-10 Commissariat Energie Atomique Procédé et dispositif de mesure sans contact de la tension et de la vitesse de défilement d'un fil.
EP0701105A1 (de) * 1994-09-12 1996-03-13 AT&T Corp. Verfahren und Vorrichtung zum Regeln der Dimensionen des Querschnitts einer optischer Faser während ihrer Herstellung
JPH0913237A (ja) * 1995-06-29 1997-01-14 Zellweger Luwa Ag スライバの太さ又はムラを求めるための装置
KR100438873B1 (ko) * 1996-01-17 2004-09-08 파텐트-트로이한트-게젤샤프트 퓌어 엘렉트리쉐 글뤼람펜 엠베하 금속 몸체의 직경을 측정하기 위한 회로장치
US6168080B1 (en) 1997-04-17 2001-01-02 Translucent Technologies, Llc Capacitive method and apparatus for accessing contents of envelopes and other similarly concealed information
EP0918217B1 (de) * 1997-11-21 2010-08-18 Instrumar Limited Vorrichtung und Verfahren zum Nachweisen und Messen von Fasereigenschaften
EP0942282B1 (de) * 1998-03-13 2003-08-13 Uster Technologies AG Vorrichtung zum Messen von Eigenschaften eines textilen Produktes
US6499345B1 (en) * 1998-07-31 2002-12-31 Zellweger Luwa Ag Measuring device for thread-like test samples
US6202929B1 (en) 1999-03-10 2001-03-20 Micro-Epsilon Mess Technik Capacitive method and apparatus for accessing information encoded by a differentially conductive pattern
CA2472865C (en) 2004-06-29 2015-11-17 Instrumar Limited Fibre monitoring apparatus and method
US7983785B2 (en) 2004-06-30 2011-07-19 Instrumar Limited Fibre monitoring apparatus and method
JP5150151B2 (ja) * 2007-07-05 2013-02-20 株式会社フジクラ 光ファイバ心線対照装置及び光ファイバ内の伝送光強度測定方法
US20090036800A1 (en) * 2007-07-30 2009-02-05 Michael Rabin Hair Densitometer
JP5216567B2 (ja) * 2008-12-19 2013-06-19 株式会社フジクラ 空孔付き光ファイバの空孔径の測定方法および装置、ならびに空孔付き光ファイバの製造方法および装置
US9157729B1 (en) 2013-01-10 2015-10-13 DST Output West, LLC Light sensor facilitated insert thickness detection system
JP7362557B2 (ja) * 2020-07-17 2023-10-17 株式会社東芝 センサ及びセンサモジュール

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992392A (en) * 1957-04-26 1961-07-11 Haynes And Haynes Ltd Measuring and testing apparatus
NL271951A (de) * 1961-07-25
FR1359960A (fr) * 1963-04-05 1964-04-30 Procédé et appareil de mesure de l'épaisseur sans contact
US3922601A (en) * 1974-03-01 1975-11-25 Du Pont Spiral plate yarn measuring capacitance cell
SU690283A1 (ru) * 1977-09-05 1979-10-05 Предприятие П/Я Р-4132 Емкостный преобразователь дл измерени диаметра провода
FR2494427A1 (fr) * 1980-11-14 1982-05-21 Gorbov Mikhail Dispositif de determination de defauts de surface de produits filiformes
JPS5883U (ja) * 1981-06-26 1983-01-05 日産自動車株式会社 回転式作業装置の回転部二重固定安全装置
IT1144279B (it) * 1981-07-06 1986-10-29 Cselt Centro Studi Lab Telecom Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche

Also Published As

Publication number Publication date
EP0174017B1 (de) 1988-11-30
EP0174017A1 (de) 1986-03-12
US4706014A (en) 1987-11-10
ES546495A0 (es) 1986-10-16
DE3566575D1 (en) 1989-01-05
DK399785A (da) 1986-03-07
AU4694685A (en) 1986-03-27
ATE39023T1 (de) 1988-12-15
DE174017T1 (de) 1986-10-16
CA1242579A (en) 1988-10-04
BR8504076A (pt) 1986-06-17
IT1179098B (it) 1987-09-16
IT8467878A0 (it) 1984-09-06
ES8700427A1 (es) 1986-10-16
DK399785D0 (da) 1985-09-02
JPS6166902A (ja) 1986-04-05
IT8467878A1 (it) 1986-03-06

Similar Documents

Publication Publication Date Title
NO853489L (no) Kapasitiv innretning for maaling av en dielektrisk fibers diameter.
US6622368B1 (en) Method of manufacturing a transducer having a diaphragm with a predetermined tension
EP0571107B1 (de) Optischer Kraftwandler mit Fabry-Perot Resonator und einem weiteren abtastendem Fabry-Perot Resonator
CA1221138A (en) Process and apparatus for measuring optical-fibre diameter
US2376156A (en) Pressure gauge
Dunn et al. Metrology for characterization of wafer thickness uniformity during 3DS-IC processing
JP2000065776A (ja) 繊維製品の特性を測定する装置
JP7615677B2 (ja) 信号処理方法、信号処理装置、物理量測定装置及びセンサーモジュール
US4888824A (en) Glass container wall thickness inspecting machine
WO2023220919A1 (zh) 一种全光纤检波器低频性能测试的标定方法、系统及装置
US5760311A (en) Capacitive pressure transducer with reference capacitor
CN105699424B (zh) 一种mems器件残余应力温度特性的测量方法
US8243414B2 (en) Electrostatic device for damping a mechanical vibration movement of a resonant moving object
JPS62169029A (ja) 気相沈積被覆内の応力測定装置
US4458292A (en) Multiple capacitor transducer
EP0721564B1 (de) Hochpräzisionswaage und positionssensor
CN107192441A (zh) 剖分式等强度梁光纤光栅加速度传感器
SU905671A1 (ru) Датчик давлени
US2774870A (en) Device for indicating physical phenomena
ZHANG et al. Fiber Optic Fabry-Perot Sensor with Stabilization Technology for Acoustic Emission Detection of Partial Discharge
JP6522329B2 (ja) 測定治具及び測定装置
Bicen Micromachined diffraction based optical microphones and intensity probes with electrostatic force feedback
Nyberg et al. Neasuring Electric Field by Using Perssure Sensitive Elements
RU1800299C (ru) Емкостный датчик давлени
RU2005296C1 (ru) Датчик давлени