CH614053A5 - Method and device for automatic monitoring of workpieces by means of a holographic comparison technique - Google Patents

Method and device for automatic monitoring of workpieces by means of a holographic comparison technique

Info

Publication number
CH614053A5
CH614053A5 CH1087076A CH1087076A CH614053A5 CH 614053 A5 CH614053 A5 CH 614053A5 CH 1087076 A CH1087076 A CH 1087076A CH 1087076 A CH1087076 A CH 1087076A CH 614053 A5 CH614053 A5 CH 614053A5
Authority
CH
Switzerland
Prior art keywords
holographic
workpieces
automatic monitoring
comparison technique
comparison
Prior art date
Application number
CH1087076A
Inventor
Theodor Tschudi
Guy Indebetouw
Original Assignee
Lasag Ag
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 Lasag Ag filed Critical Lasag Ag
Priority to CH1087076A priority Critical patent/CH614053A5/en
Priority to FR7725786A priority patent/FR2363141A1/en
Priority to GB35798/77A priority patent/GB1570428A/en
Publication of CH614053A5 publication Critical patent/CH614053A5/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2441—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using interferometry
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Holo Graphy (AREA)
CH1087076A 1976-08-27 1976-08-27 Method and device for automatic monitoring of workpieces by means of a holographic comparison technique CH614053A5 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CH1087076A CH614053A5 (en) 1976-08-27 1976-08-27 Method and device for automatic monitoring of workpieces by means of a holographic comparison technique
FR7725786A FR2363141A1 (en) 1976-08-27 1977-08-24 METHOD AND DEVICE FOR THE AUTOMATIC CHECKING OF THE PARTS BY MEANS OF A HOLOGRAPHIC COMPARISON TECHNIQUE
GB35798/77A GB1570428A (en) 1976-08-27 1977-08-25 Method of and apparatus for comparing an object with a reference specimen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1087076A CH614053A5 (en) 1976-08-27 1976-08-27 Method and device for automatic monitoring of workpieces by means of a holographic comparison technique

Publications (1)

Publication Number Publication Date
CH614053A5 true CH614053A5 (en) 1979-10-31

Family

ID=4367702

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1087076A CH614053A5 (en) 1976-08-27 1976-08-27 Method and device for automatic monitoring of workpieces by means of a holographic comparison technique

Country Status (3)

Country Link
CH (1) CH614053A5 (en)
FR (1) FR2363141A1 (en)
GB (1) GB1570428A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194353B (en) * 1986-08-04 1990-02-21 Hugle William Bell The method of and apparatus for the holographic positional detection of objects
GB8619006D0 (en) * 1986-08-04 1986-09-17 Hugle W B Positional detection of objects

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2064246A1 (en) * 1970-12-29 1972-07-13 Agfa Gevaert Ag Method and device for recognizing a specific search object in a template

Also Published As

Publication number Publication date
FR2363141A1 (en) 1978-03-24
GB1570428A (en) 1980-07-02

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Legal Events

Date Code Title Description
PL Patent ceased