FR2115484B1 - - Google Patents

Info

Publication number
FR2115484B1
FR2115484B1 FR7142822A FR7142822A FR2115484B1 FR 2115484 B1 FR2115484 B1 FR 2115484B1 FR 7142822 A FR7142822 A FR 7142822A FR 7142822 A FR7142822 A FR 7142822A FR 2115484 B1 FR2115484 B1 FR 2115484B1
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
FR7142822A
Other versions
FR2115484A1 (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.)
Decca Ltd
Original Assignee
Decca 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 Decca Ltd filed Critical Decca Ltd
Publication of FR2115484A1 publication Critical patent/FR2115484A1/fr
Application granted granted Critical
Publication of FR2115484B1 publication Critical patent/FR2115484B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7142822A 1970-11-30 1971-11-30 Expired FR2115484B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5667870 1970-11-30

Publications (2)

Publication Number Publication Date
FR2115484A1 FR2115484A1 (fr) 1972-07-07
FR2115484B1 true FR2115484B1 (fr) 1974-10-11

Family

ID=10477256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7142822A Expired FR2115484B1 (fr) 1970-11-30 1971-11-30

Country Status (5)

Country Link
US (1) US3777167A (fr)
JP (1) JPS5429902B1 (fr)
DE (1) DE2159140C3 (fr)
FR (1) FR2115484B1 (fr)
GB (1) GB1336008A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2434829C3 (de) * 1974-07-19 1978-11-09 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Lichtelektronische Vorrichtung zur Messung der Länge oder Breite eines Gegenstands
DE2636906C3 (de) * 1976-08-17 1983-12-29 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Verfahren zur Erzeugung eines Schaltsignals beim Durchgang eines Kontrastsprunges und Schaltungsanordnung zur Ausführung des Verfahrens
US4184080A (en) * 1977-06-30 1980-01-15 Molins Machine Company, Inc. Ratiometric edge detector system
CA1131031A (fr) * 1979-02-06 1982-09-07 Homer D. F. Peters Detecteur de paraisons plastiques sur machine a faconner le verre
GB2130717B (en) * 1982-02-18 1985-08-29 Smiths Industries Plc Radiation pyrometer
CA1256535A (fr) * 1984-11-09 1989-06-27 Brian Billard Mesure a partir d'une avion du coeficient de diffusion optique
FR2615765B1 (fr) * 1987-05-29 1992-09-04 Usinor Aciers Procede et dispositif de determination du sabre d'une tole

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791931A (en) * 1951-08-03 1957-05-14 Gen Electric Non-contacting width gage
US3193681A (en) * 1961-11-28 1965-07-06 Barnes Eng Co Electronic processing circuits for scanning systems
US3286142A (en) * 1965-05-27 1966-11-15 Stewart Warner Corp Edge following servo control
US3418478A (en) * 1966-08-29 1968-12-24 Barnes Eng Co Horizon sensor using two stationary fields of view separated by a fixed elevation angle which are alternately sampled
US3665202A (en) * 1969-06-02 1972-05-23 British Steel Corp Apparatus for detecting objects
US3610935A (en) * 1970-03-23 1971-10-05 Optograms Incremental optical curve tracer with sequential logic comprising plural comparators and means for limiting length of stepwise movement
US3609373A (en) * 1970-05-18 1971-09-28 Singer Co Photoelectric sensors and circuitry for edge-guiding systems for sewing machines

Also Published As

Publication number Publication date
DE2159140B2 (de) 1973-07-12
JPS5429902B1 (fr) 1979-09-27
FR2115484A1 (fr) 1972-07-07
GB1336008A (en) 1973-11-07
DE2159140A1 (de) 1972-07-06
US3777167A (en) 1973-12-04
DE2159140C3 (de) 1974-02-07

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Legal Events

Date Code Title Description
TP Transmission of property