GB1498227A - Photoelectronic instrument for measuring the length of an object - Google Patents

Photoelectronic instrument for measuring the length of an object

Info

Publication number
GB1498227A
GB1498227A GB26950/75A GB2695075A GB1498227A GB 1498227 A GB1498227 A GB 1498227A GB 26950/75 A GB26950/75 A GB 26950/75A GB 2695075 A GB2695075 A GB 2695075A GB 1498227 A GB1498227 A GB 1498227A
Authority
GB
United Kingdom
Prior art keywords
comparator
photo
cut
signal
length
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.)
Expired
Application number
GB26950/75A
Other languages
English (en)
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.)
Erwin Sick GmbH Optik Elektronik
Original Assignee
Erwin Sick GmbH Optik Elektronik
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 Erwin Sick GmbH Optik Elektronik filed Critical Erwin Sick GmbH Optik Elektronik
Publication of GB1498227A publication Critical patent/GB1498227A/en
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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB26950/75A 1974-07-19 1975-06-25 Photoelectronic instrument for measuring the length of an object Expired GB1498227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2434829A DE2434829C3 (de) 1974-07-19 1974-07-19 Lichtelektronische Vorrichtung zur Messung der Länge oder Breite eines Gegenstands

Publications (1)

Publication Number Publication Date
GB1498227A true GB1498227A (en) 1978-01-18

Family

ID=5921015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26950/75A Expired GB1498227A (en) 1974-07-19 1975-06-25 Photoelectronic instrument for measuring the length of an object

Country Status (6)

Country Link
US (1) US4025796A (enExample)
DE (1) DE2434829C3 (enExample)
FR (1) FR2279067A1 (enExample)
GB (1) GB1498227A (enExample)
IT (1) IT1041310B (enExample)
SE (1) SE402974B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2725756A1 (de) * 1976-07-12 1978-01-19 Homer L Eaton Verfahren und einrichtung zum erfassen des aeusseren profils eines gegenstands
DE19806288A1 (de) * 1998-02-16 1999-08-26 Fraunhofer Ges Forschung Laserscanner-Meßsystem

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2622113C3 (de) * 1976-05-18 1982-04-08 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optische Vorrichtung zur Korrektur der sphärischen Aberration eines sphärischen Hohlspiegels
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
US4199259A (en) * 1977-06-27 1980-04-22 Autech Detector pulse enhancement circuit
FI54972C (fi) * 1978-01-18 1979-04-10 A Elektroniikka Foerfarande och anordning foer optisk maetning av dimensionen hos en kropp
FR2494837A1 (fr) * 1980-11-26 1982-05-28 Commissariat Energie Atomique Dispositif de controle des dimensions et de l'ecartement de pieces rigides disposees en faisceau
US4429218A (en) 1981-05-11 1984-01-31 Xerox Corporation Scanning beam detector
US4447723A (en) * 1981-09-03 1984-05-08 Excellon Industries Scanning beam reference employing a retroreflective code means
DE3147433A1 (de) * 1981-11-30 1983-06-09 Eppendorf Gerätebau Netheler + Hinz GmbH, 2000 Hamburg Verfahren zur photometrischen messung des inhalts von probegefaessen sowie vorrichtungen zur durchfuehrung des verfahrens
US4629288A (en) * 1983-12-15 1986-12-16 Texas Instruments Incorporated Optical spatial address system suitable for flat panel displays and the like
SE453223B (sv) * 1986-05-09 1988-01-18 Eloptricon Ab Forfaringssett och apparat for beroringsfri och noggrann kontrollmetning av maskindelar
US4775788A (en) * 1986-10-03 1988-10-04 Greyhawk Systems, Inc. Apparatus for detecting position of a rotating element using a two-grating moire pattern
NO162830C (no) * 1987-02-20 1990-02-21 Tomra Systems As Anordning ved dimensjonsmaaling.
DE3737631C1 (de) * 1987-11-05 1989-03-02 Sick Optik Elektronik Erwin Optische Abstastvorrichtung fuer ebene Oberflaechen
SE462696B (sv) * 1988-01-12 1990-08-13 Emve I Aastorp Ab Saett och anordning foer bestaemning av en approximativ, tredimensionell avbildning av ett foeremaal
NO167334C (no) * 1989-06-22 1991-10-23 Tomra Systems As Fremgangsmaate og anordning for dimensjonsmaaling.
JP3370370B2 (ja) * 1993-02-15 2003-01-27 株式会社リコー 光走査型画像読取装置
ES2152180B1 (es) * 1999-04-07 2001-08-16 Ct Investig Energeticas Ciemat Aparato y metodo de metrologia bidimensional para temperaturas criogenicas.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659823A (en) * 1951-09-21 1953-11-17 Jr Carl A Vossberg Measuring system
DE2015694B2 (de) * 1970-04-02 1971-11-11 Exatest Meßtechnik GmbH, 5090 Le verkusen Verfahren zur beruehrungslosen messung der breite oder lage eines gegenstandes mittels eines sichtstrahls
GB1336008A (en) * 1970-11-30 1973-11-07 Decca Ltd Detecting systems
US3907439A (en) * 1973-08-14 1975-09-23 Zygo Corp Edge-sensing with a scanning laser beam

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2725756A1 (de) * 1976-07-12 1978-01-19 Homer L Eaton Verfahren und einrichtung zum erfassen des aeusseren profils eines gegenstands
DE19806288A1 (de) * 1998-02-16 1999-08-26 Fraunhofer Ges Forschung Laserscanner-Meßsystem
US6858836B1 (en) 1998-02-16 2005-02-22 Fraunhofer Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Laser scanner measurement system

Also Published As

Publication number Publication date
FR2279067A1 (fr) 1976-02-13
DE2434829C3 (de) 1978-11-09
FR2279067B1 (enExample) 1980-04-18
SE402974B (sv) 1978-07-24
IT1041310B (it) 1980-01-10
DE2434829B2 (de) 1978-03-16
US4025796A (en) 1977-05-24
SE7507584L (sv) 1976-01-20
DE2434829A1 (de) 1976-01-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee