DE2159140B2 - Photoelektrisches detektorsystem - Google Patents

Photoelektrisches detektorsystem

Info

Publication number
DE2159140B2
DE2159140B2 DE19712159140 DE2159140A DE2159140B2 DE 2159140 B2 DE2159140 B2 DE 2159140B2 DE 19712159140 DE19712159140 DE 19712159140 DE 2159140 A DE2159140 A DE 2159140A DE 2159140 B2 DE2159140 B2 DE 2159140B2
Authority
DE
Germany
Prior art keywords
photoelectric detector
detector system
photoelectric
detector
Prior art date
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.)
Granted
Application number
DE19712159140
Other languages
English (en)
Other versions
DE2159140A1 (de
DE2159140C3 (de
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.)
Davy Instruments 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 filed Critical
Publication of DE2159140A1 publication Critical patent/DE2159140A1/de
Publication of DE2159140B2 publication Critical patent/DE2159140B2/de
Application granted granted Critical
Publication of DE2159140C3 publication Critical patent/DE2159140C3/de
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B38/00Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/028Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
    • 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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)
DE2159140A 1970-11-30 1971-11-29 Photoelektrisches Detektorsystem Expired DE2159140C3 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2159140A1 DE2159140A1 (de) 1972-07-06
DE2159140B2 true DE2159140B2 (de) 1973-07-12
DE2159140C3 DE2159140C3 (de) 1974-02-07

Family

ID=10477256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2159140A Expired DE2159140C3 (de) 1970-11-30 1971-11-29 Photoelektrisches Detektorsystem

Country Status (5)

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

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 (en) * 1979-02-06 1982-09-07 Homer D. F. Peters Hot gob detector for a glassware forming machine
GB2130717B (en) * 1982-02-18 1985-08-29 Smiths Industries Plc Radiation pyrometer
CA1256535A (en) * 1984-11-09 1989-06-27 Brian Billard Airborne measurement of optical scattering coefficient
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
FR2115484B1 (de) 1974-10-11
JPS5429902B1 (de) 1979-09-27
FR2115484A1 (de) 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
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8327 Change in the person/name/address of the patent owner

Owner name: DAVY INSTRUMENTS LTD., SHEFFIELD, GB

8328 Change in the person/name/address of the agent

Free format text: WEICKMANN, H., DIPL.-ING. FINCKE, K., DIPL.-PHYS. DR. WEICKMANN, F., DIPL.-ING. HUBER, B., DIPL.-CHEM. LISKA, H., DIPL.-ING. DR.-ING., PAT.-ANW., 8000 MUENCHEN