IT7825874A0 - Spessimetro per la misura di lamiere. - Google Patents

Spessimetro per la misura di lamiere.

Info

Publication number
IT7825874A0
IT7825874A0 IT7825874A IT2587478A IT7825874A0 IT 7825874 A0 IT7825874 A0 IT 7825874A0 IT 7825874 A IT7825874 A IT 7825874A IT 2587478 A IT2587478 A IT 2587478A IT 7825874 A0 IT7825874 A0 IT 7825874A0
Authority
IT
Italy
Prior art keywords
measurement
sheet metal
thickness gauge
gauge
thickness
Prior art date
Application number
IT7825874A
Other languages
English (en)
Other versions
IT1097875B (it
Original Assignee
Measurex Corp
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 US05/819,469 external-priority patent/US4107606A/en
Application filed by Measurex Corp filed Critical Measurex Corp
Publication of IT7825874A0 publication Critical patent/IT7825874A0/it
Application granted granted Critical
Publication of IT1097875B publication Critical patent/IT1097875B/it

Links

Classifications

    • 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
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/40—Caliper-like sensors
    • G01B2210/46—Caliper-like sensors with one or more detectors on a single side of the object to be measured and with a transmitter on the other side

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Inverter Devices (AREA)
IT25874/78A 1977-07-27 1978-07-19 Spessimetro per la misura di lamiere IT1097875B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/819,469 US4107606A (en) 1976-12-14 1977-07-27 Non-contacting electromagnetic thickness gauge for sheet measurement having improved small distance sensitivity

Publications (2)

Publication Number Publication Date
IT7825874A0 true IT7825874A0 (it) 1978-07-19
IT1097875B IT1097875B (it) 1985-08-31

Family

ID=25228254

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25874/78A IT1097875B (it) 1977-07-27 1978-07-19 Spessimetro per la misura di lamiere

Country Status (5)

Country Link
JP (1) JPS5839283B2 (it)
CA (1) CA1096956A (it)
DE (1) DE2829264A1 (it)
FR (1) FR2398999A1 (it)
IT (1) IT1097875B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197434A (en) * 1981-05-29 1982-12-03 Hitachi Ltd Measuring method of tension
JPS59122505U (ja) * 1983-02-07 1984-08-17 株式会社キ−エンス 二枚送り検出器の送信コイル
JPS59230136A (ja) * 1983-06-09 1984-12-24 Rohm Co Ltd 発光表示装置の光洩れ検査方法
DE3331407A1 (de) * 1983-08-31 1985-03-14 Helmut Fischer GmbH & Co Institut für Elektronik und Meßtechnik, 7032 Sindelfingen Elektromagnetische mess-sonde
JPS6166104A (ja) * 1984-09-07 1986-04-04 Anelva Corp 金属薄膜膜厚測定方法
DE3612914A1 (de) * 1986-04-17 1987-10-22 Heidelberger Druckmasch Ag Vorrichtung zum messen der dicke von papier oder dergleichen
US4813147A (en) * 1987-03-27 1989-03-21 Amp Incorporated Apparatus for interacting with both sides of a two-sided strip
DE4011646A1 (de) * 1990-04-11 1991-10-24 Micro Epsilon Messtechnik Dickenmesseinrichtung
FI103918B1 (fi) 1998-02-26 1999-10-15 Valmet Automation Inc Menetelmä ja laite liikkuvan rainan ominaisuuksien mittaamiseksi
SE517293C2 (sv) * 1999-06-30 2002-05-21 Abb Ab Förfarande och anordning för induktiv mätning av geometrisk dimension och elektrisk egenskap med motriktade magnetfält
US7205166B2 (en) * 2002-06-28 2007-04-17 Lam Research Corporation Method and apparatus of arrayed, clustered or coupled eddy current sensor configuration for measuring conductive film properties
WO2009024187A1 (fr) * 2007-08-21 2009-02-26 Thomas Edye Dispositif de mesure sans contact de l'epaisseur de films ou de couches minces en defilement
US10119837B2 (en) * 2016-07-06 2018-11-06 Biosense Webster (Israel) Ltd. Magnetic-field generating circuit for a tracking system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE480971A (it) * 1948-03-05
US2563254A (en) * 1948-05-10 1951-08-07 Hydril Corp Thickness indicator
US2665333A (en) * 1950-11-30 1954-01-05 Libbey Owens Ford Glass Co Apparatus for measuring thickness of sheet material
GB843624A (en) * 1955-12-19 1960-08-04 Roe A V & Co Ltd Improvements relating to thickness measuring instruments
US3528002A (en) * 1968-01-04 1970-09-08 Conrac Corp Caliper with air bearings for continuously moving sheet material
US3696290A (en) * 1970-07-22 1972-10-03 Hays Corp Magnetic non-contact thickness gauge with means to compensate the effects of stray fields on the gauge
SU394654A1 (ru) * 1970-12-28 1973-08-22 УСТРОЙСТВО дл ИЗМЕРЕНИЯ ТОЛЩИНЫ КРУПНОГАБАРИТНЫХ ИЗДЕЛИЙ
DE2640155C3 (de) * 1976-09-07 1982-02-11 Electronic Production Aids Co., Ltd., Worcester Park, Surrey Nach dem Wirbelstromprinzip arbeitende Meßvorrichtung zur kontinuierlichen Messung der Dicke eines sich bewegenden, aus Metall bestehenden Meßobjekts.

Also Published As

Publication number Publication date
JPS5425755A (en) 1979-02-26
FR2398999A1 (fr) 1979-02-23
DE2829264C2 (it) 1989-09-28
JPS5839283B2 (ja) 1983-08-29
DE2829264A1 (de) 1979-02-08
IT1097875B (it) 1985-08-31
CA1096956A (en) 1981-03-03
FR2398999B1 (it) 1985-05-17

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Legal Events

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

Effective date: 19940728