IT1112384B - Sistema capacitivo di controllo e misurazione delle caratteristiche di filamenti con taratura automatica - Google Patents

Sistema capacitivo di controllo e misurazione delle caratteristiche di filamenti con taratura automatica

Info

Publication number
IT1112384B
IT1112384B IT7921979A IT2197979A IT1112384B IT 1112384 B IT1112384 B IT 1112384B IT 7921979 A IT7921979 A IT 7921979A IT 2197979 A IT2197979 A IT 2197979A IT 1112384 B IT1112384 B IT 1112384B
Authority
IT
Italy
Prior art keywords
filaments
measurement
control
automatic calibration
capacitive system
Prior art date
Application number
IT7921979A
Other languages
English (en)
Other versions
IT7921979A0 (it
Original Assignee
Micro Sensors Inc
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
Priority claimed from US05/898,120 external-priority patent/US4208625A/en
Application filed by Micro Sensors Inc filed Critical Micro Sensors Inc
Publication of IT7921979A0 publication Critical patent/IT7921979A0/it
Application granted granted Critical
Publication of IT1112384B publication Critical patent/IT1112384B/it

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D18/00Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G01D18/002Automatic recalibration
    • G01D18/006Intermittent recalibration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • B65H63/062Electronic slub detector
    • B65H63/064Electronic slub detector using capacitor sensing means, i.e. the defect signal is a variation of impedance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/12Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
    • G01B7/125Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters of objects while moving
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D3/00Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/06Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for operation by a null method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/31Textiles threads or artificial strands of filaments

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
IT7921979A 1978-04-20 1979-04-19 Sistema capacitivo di controllo e misurazione delle caratteristiche di filamenti con taratura automatica IT1112384B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/898,120 US4208625A (en) 1976-02-23 1978-04-20 Capacitive measuring system with automatic calibration

Publications (2)

Publication Number Publication Date
IT7921979A0 IT7921979A0 (it) 1979-04-19
IT1112384B true IT1112384B (it) 1986-01-13

Family

ID=25408975

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7921979A IT1112384B (it) 1978-04-20 1979-04-19 Sistema capacitivo di controllo e misurazione delle caratteristiche di filamenti con taratura automatica

Country Status (7)

Country Link
JP (1) JPS55484A (it)
CA (1) CA1114913A (it)
CH (1) CH642168A5 (it)
DE (1) DE2915557A1 (it)
FR (1) FR2427577A1 (it)
IT (1) IT1112384B (it)
NL (1) NL7903130A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10346599A1 (de) * 2003-10-04 2005-04-21 Saurer Gmbh & Co Kg Verfahren und Vorrichtung zur Überwachung eines Fadens
CN113636393B (zh) * 2021-07-02 2023-04-25 中国船舶重工集团公司第七一三研究所 一种全自动微米级透明薄膜流延卷绕端面平齐控制装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485608A (fr) * 1966-04-01 1967-06-23 Siderurgie Fse Inst Rech Procédé de tarage d'appareils d'analyse et dispositif de mise en oeuvre
US3681577A (en) * 1970-10-30 1972-08-01 Technicon Instr Automatic calibration apparatus
US3886786A (en) * 1971-09-20 1975-06-03 Borg Warner Null memory system for a gas analysis system

Also Published As

Publication number Publication date
CA1114913A (en) 1981-12-22
FR2427577B1 (it) 1984-02-24
FR2427577A1 (fr) 1979-12-28
JPS55484A (en) 1980-01-05
CH642168A5 (en) 1984-03-30
IT7921979A0 (it) 1979-04-19
DE2915557A1 (de) 1979-10-31
NL7903130A (nl) 1979-10-23

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