FR2077421B1 - - Google Patents

Info

Publication number
FR2077421B1
FR2077421B1 FR7103086A FR7103086A FR2077421B1 FR 2077421 B1 FR2077421 B1 FR 2077421B1 FR 7103086 A FR7103086 A FR 7103086A FR 7103086 A FR7103086 A FR 7103086A FR 2077421 B1 FR2077421 B1 FR 2077421B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7103086A
Other versions
FR2077421A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of FR2077421A1 publication Critical patent/FR2077421A1/fr
Application granted granted Critical
Publication of FR2077421B1 publication Critical patent/FR2077421B1/fr
Expired legal-status Critical Current

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
    • G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/14—Quality control systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Automation & Control Theory (AREA)
  • Quality & Reliability (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FR7103086A 1970-01-30 1971-01-29 Expired FR2077421B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB458170 1970-01-30

Publications (2)

Publication Number Publication Date
FR2077421A1 FR2077421A1 (fr) 1971-10-22
FR2077421B1 true FR2077421B1 (fr) 1976-03-19

Family

ID=9779866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7103086A Expired FR2077421B1 (fr) 1970-01-30 1971-01-29

Country Status (10)

Country Link
US (1) US3720818A (fr)
JP (1) JPS5527285B1 (fr)
CA (1) CA929267A (fr)
CH (1) CH548587A (fr)
DE (1) DE2104265C2 (fr)
FR (1) FR2077421B1 (fr)
GB (1) GB1318701A (fr)
NL (1) NL170982C (fr)
SE (1) SE384919B (fr)
SU (1) SU657769A3 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903735A (en) * 1974-01-25 1975-09-09 Gould Inc Slope error compensating apparatus for use with profile measuring equipment
US3965339A (en) * 1975-04-03 1976-06-22 City Of Hope-A National Medical Center Apparatus and method for measuring heart condition
DE2617707C2 (de) * 1975-04-23 1986-02-20 The Rank Organisation Ltd., London Vorrichtung zum Vermessen einer Oberfläche
US4103542A (en) * 1977-09-09 1978-08-01 Tencor Instruments Metrology instrument for measuring vertical profiles of integrated circuits
JPS55104705A (en) * 1979-01-29 1980-08-11 Nippon Kokan Kk <Nkk> Measuring method for shape of metal strip
CA1143869A (fr) * 1980-10-01 1983-03-29 Northern Telecom Limited Appareil d'analyse du relief d'une surface
US4485451A (en) * 1982-01-28 1984-11-27 Obedineni Zavodi Za Zapametyavashti Ustroystva System for monitoring dynamic parameters of magnetic heads
EP0116633A1 (fr) * 1982-08-19 1984-08-29 Ait Corp. Sonde pour l'affichage d'irregularites de surface
US4573131A (en) * 1983-08-31 1986-02-25 John Corbin Method and apparatus for measuring surface roughness
DE3590145C2 (fr) * 1984-04-10 1990-02-22 Mitutoyo Mfg. Co., Ltd., Tokio/Tokyo, Jp
US4541278A (en) * 1984-04-23 1985-09-17 Union Oil Company Of California Pipeline corrosion sensing device and method
US4736329A (en) * 1984-10-25 1988-04-05 Air Products And Chemicals, Inc. Method and system for measurement of liquid level in a tank
US4602344A (en) * 1984-10-25 1986-07-22 Air Products And Chemicals, Inc. Method and system for measurement of liquid level in a tank
DE8810670U1 (de) * 1988-08-24 1989-01-26 Moba-Electronic Gesellschaft für Mobil-Automation mbH, 6254 Elz Höhensteuerungsvorrichtung
US5168412A (en) * 1989-06-28 1992-12-01 Toan Doan Surface interference detector
GB8918306D0 (en) * 1989-08-10 1989-09-20 Lucas Ind Plc Road surface sensing system for a vehicle
DE4035076A1 (de) * 1990-11-05 1992-05-07 Jenoptik Jena Gmbh Anordnung zum messen linearer abmessungen auf einer strukturierten oberflaeche eines messobjektes
US5460034A (en) * 1992-07-21 1995-10-24 The United States Of America As Represented By The Secretary Of The Air Force Method for measuring and analyzing surface roughness on semiconductor laser etched facets
CA2112792A1 (fr) * 1993-01-29 1994-07-30 Donald F. Rogowski Analyseur de rugosite du papier
US5406832A (en) * 1993-07-02 1995-04-18 Topometrix Corporation Synchronous sampling scanning force microscope
DE19532547A1 (de) * 1995-09-04 1997-03-06 Innovatherm Prof Dr Leisenberg Gmbh & Co Kg Verfahren und Einrichtung zur Materialanalyse
DE19622429A1 (de) * 1996-06-04 1997-12-11 Wagner Int Verfahren und Vorrichtung zum Bestimmen der Beschaffenheit einer Werkstückoberfläche
US5847569A (en) * 1996-08-08 1998-12-08 The Board Of Trustees Of The Leland Stanford Junior University Electrical contact probe for sampling high frequency electrical signals
US20060042363A1 (en) * 2004-08-27 2006-03-02 Honeywell International, Inc. Method for detecting corrosion in industrial process equipment
DE102004054802A1 (de) * 2004-11-12 2006-05-18 Voith Paper Patent Gmbh Verfahren zur Messung von Eigenschaften eines Rotationskörpers
JP5342378B2 (ja) * 2009-08-31 2013-11-13 株式会社日立ハイテクノロジーズ ディスクの突起検出・平坦度測定回路およびディスクのグライドテスター

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123999A (en) * 1964-03-10 Amplifier-
US2857465A (en) * 1955-11-21 1958-10-21 Bell Telephone Labor Inc Vocoder transmission system
US3124745A (en) * 1960-03-02 1964-03-10 System
US3112642A (en) * 1960-05-06 1963-12-03 Republic Steel Corp Apparatus for measuring surface roughness
GB1097302A (en) * 1963-06-25 1968-01-03 Rank Precision Ind Ltd Improvements in or relating to apparatus for investigating surface texture
DE1284097B (de) * 1965-03-20 1968-11-28 Johannes Dipl Ing Dr Ing Oberflaechenmessgeraet
US3544744A (en) * 1968-06-14 1970-12-01 Robertshaw Controls Co Double diaphragm pressure responsive switch construction

Also Published As

Publication number Publication date
DE2104265A1 (de) 1971-08-12
DE2104265C2 (de) 1984-03-08
NL170982C (nl) 1983-01-17
SE384919B (sv) 1976-05-24
NL170982B (nl) 1982-08-16
JPS5527285B1 (fr) 1980-07-19
GB1318701A (en) 1973-05-31
CA929267A (en) 1973-06-26
NL7101176A (fr) 1971-08-03
SU657769A3 (ru) 1979-04-15
US3720818A (en) 1973-03-13
FR2077421A1 (fr) 1971-10-22
CH548587A (de) 1974-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse