IT1179098B - Perfezionamenti alle apparecchiature a condensatore per la misura del diametro di fibre dielettriche - Google Patents

Perfezionamenti alle apparecchiature a condensatore per la misura del diametro di fibre dielettriche

Info

Publication number
IT1179098B
IT1179098B IT67878/84A IT6787884A IT1179098B IT 1179098 B IT1179098 B IT 1179098B IT 67878/84 A IT67878/84 A IT 67878/84A IT 6787884 A IT6787884 A IT 6787884A IT 1179098 B IT1179098 B IT 1179098B
Authority
IT
Italy
Prior art keywords
measuring
diameter
dielectric fibers
condenser equipment
dielectric
Prior art date
Application number
IT67878/84A
Other languages
English (en)
Other versions
IT8467878A0 (it
IT8467878A1 (it
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 IT8467878A0 publication Critical patent/IT8467878A0/it
Priority to IT67878/84A priority Critical patent/IT1179098B/it
Priority to US06/762,157 priority patent/US4706014A/en
Priority to BR8504076A priority patent/BR8504076A/pt
Priority to ES546495A priority patent/ES8700427A1/es
Priority to AU46946/85A priority patent/AU4694685A/en
Priority to JP60188752A priority patent/JPS6166902A/ja
Priority to DK399785A priority patent/DK399785A/da
Priority to DE8585111156T priority patent/DE3566575D1/de
Priority to CA000489951A priority patent/CA1242579A/en
Priority to EP85111156A priority patent/EP0174017B1/en
Priority to DE198585111156T priority patent/DE174017T1/de
Priority to AT85111156T priority patent/ATE39023T1/de
Priority to NO853489A priority patent/NO853489L/no
Publication of IT8467878A1 publication Critical patent/IT8467878A1/it
Application granted granted Critical
Publication of IT1179098B publication Critical patent/IT1179098B/it

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)
  • Manufacturing & Machinery (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (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)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Inorganic Fibers (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Multicomponent Fibers (AREA)
  • Inorganic Insulating Materials (AREA)
IT67878/84A 1984-09-06 1984-09-06 Perfezionamenti alle apparecchiature a condensatore per la misura del diametro di fibre dielettriche IT1179098B (it)

Priority Applications (13)

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
US06/762,157 US4706014A (en) 1984-09-06 1985-08-02 Capacitive devices for measuring the diameter of a dielectric fiber
BR8504076A BR8504076A (pt) 1984-09-06 1985-08-26 Aperfeicoamento referente a dispositivos capacitivos para a medicao do diametro de fibra dieletrica
ES546495A ES8700427A1 (es) 1984-09-06 1985-08-28 Perfeccionamientos en dispositivos capacitivos para medir eldiametro de una fibra dielectrica
AU46946/85A AU4694685A (en) 1984-09-06 1985-08-29 Measuring diameter of dielectric fibre by capacitance
JP60188752A JPS6166902A (ja) 1984-09-06 1985-08-29 誘電体フアイバの直径を測定する容量性デバイスに関する改良
DK399785A DK399785A (da) 1984-09-06 1985-09-02 Kapacitive apparater til maaling af diameteren af en dielektrisk fiber
DE8585111156T DE3566575D1 (en) 1984-09-06 1985-09-04 Improvements relating to capacitive devices for measuring the diameter of a dielectric fibre
CA000489951A CA1242579A (en) 1984-09-06 1985-09-04 Capacitive devices for measuring the diameter of a dielectric fibre
EP85111156A EP0174017B1 (en) 1984-09-06 1985-09-04 Improvements relating to capacitive devices for measuring the diameter of a dielectric fibre
DE198585111156T DE174017T1 (de) 1984-09-06 1985-09-04 Kapazitives verfahren zum messen des durchmessers einer dielektrischen faser.
AT85111156T ATE39023T1 (de) 1984-09-06 1985-09-04 Kapazitive vorrichtung zum messen des durchmessers einer dielektrischen faser.
NO853489A NO853489L (no) 1984-09-06 1985-09-05 Kapasitiv innretning for maaling av en dielektrisk fibers diameter.

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 (3)

Publication Number Publication Date
IT8467878A0 IT8467878A0 (it) 1984-09-06
IT8467878A1 IT8467878A1 (it) 1986-03-06
IT1179098B true IT1179098B (it) 1987-09-16

Family

ID=11306025

Family Applications (1)

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

Country Status (12)

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

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 (it) * 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 (en) * 1994-09-12 1996-03-13 AT&T Corp. Method and apparatus for controlling the cross-sectional dimensions of optical fibers during fabrication
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
EP0874972B1 (de) * 1996-01-17 2002-04-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsanordnung zur messtechnischen bestimmung von durchmessern metallischer körper
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
US6025727A (en) * 1997-11-21 2000-02-15 Instrumar Limited Device and method for detecting and measuring fiber properties
DE59906553D1 (de) * 1998-03-13 2003-09-18 Uster Technologies Ag Uster Vorrichtung zum Messen von Eigenschaften eines textilen Produktes
WO2000007921A1 (de) * 1998-07-31 2000-02-17 Zellweger Luwa Ag Messvorrichtung für fadenförmige prüfkörper
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
NL120426C (it) * 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
IT8467878A0 (it) 1984-09-06
ATE39023T1 (de) 1988-12-15
EP0174017B1 (en) 1988-11-30
DE3566575D1 (en) 1989-01-05
NO853489L (no) 1986-03-07
US4706014A (en) 1987-11-10
AU4694685A (en) 1986-03-27
DK399785A (da) 1986-03-07
DK399785D0 (da) 1985-09-02
JPS6166902A (ja) 1986-04-05
ES546495A0 (es) 1986-10-16
CA1242579A (en) 1988-10-04
BR8504076A (pt) 1986-06-17
IT8467878A1 (it) 1986-03-06
DE174017T1 (de) 1986-10-16
EP0174017A1 (en) 1986-03-12
ES8700427A1 (es) 1986-10-16

Similar Documents

Publication Publication Date Title
IT1179098B (it) Perfezionamenti alle apparecchiature a condensatore per la misura del diametro di fibre dielettriche
IT1144279B (it) Procedimento ed apparecchiatura per la misura del diametro di fibre ottiche
EP0172784A3 (en) Surface-area pressure transducer and line-selection circuit for use therewith
DK584888A (da) Kapacitiv, hoejfrekvensvarmeelektrodeanordning
SE8800006L (sv) Filterutrustning foer kraftlinjer
BR9807940A (pt) Aparelho para detecção ou medição elétrica capacitiva em relação a um meio
BR8506483A (pt) Inversor de comutacao auxiliar por terceiro harmonico,com dispositivo pre-carregador do capacitor de comutacao
IT1149978B (it) Struttura circuitale per la conversione del livello di tensione
IT1108104B (it) Procedimento e dispositivo per il pompaggio di sospensioni di fibre particolarmente per cartiera
IT7821965A0 (it) Procedimento per la produzione di almeno in circuito analogico integrato con almeno un circuito i alla seconda/l
JPS645058A (en) Photoelectric converting device
SU630440A1 (ru) Винтова герметична машина
ES443695A1 (es) Perfeccionamientos en circuitos de desviacion.
SU680762A1 (ru) Диэлектрический сепаратор
AT386303B (de) Schaltungsanordnung fuer kapazitive spannungsquellen hoher ausgangsimpedanz, insbesondere fuer kondensatormikrophone
SU667914A1 (ru) Измерительный конденсатор
JPS5570748A (en) Voltage measuring unit of operation compensation type
GB1110322A (en) Improvements relating to current limiting coupling circuits
IT1134739B (it) Dispositivo semiconduttore per limitare la potenza elettrica ad alta frequenza
IT7950053A0 (it) Separatore di condensato ad alta pressione
ES384293A1 (es) Mejoras en los condensadores electricos.
GB630651A (en) Improvements in or relating to electrical condensers
RO98029B1 (ro) Metoda si circuit de masura a capacitatii condensatoarelor
IT8064807A0 (it) Schema elettrico del regolatore elettronico di umidita' nel terreno
GB757596A (en) Improvements in or relating to telephone systems and apparatus

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940915