DE2324380C3 - Optischer Korrelator - Google Patents

Optischer Korrelator

Info

Publication number
DE2324380C3
DE2324380C3 DE2324380A DE2324380A DE2324380C3 DE 2324380 C3 DE2324380 C3 DE 2324380C3 DE 2324380 A DE2324380 A DE 2324380A DE 2324380 A DE2324380 A DE 2324380A DE 2324380 C3 DE2324380 C3 DE 2324380C3
Authority
DE
Germany
Prior art keywords
filter
diffraction
correlator
transmission
test
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
DE2324380A
Other languages
German (de)
English (en)
Other versions
DE2324380B2 (de
DE2324380A1 (de
Inventor
Dr.Phil.Nat. Andreas Hermann Baltimore N.D. Engel
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.)
Lasag AG
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
Publication of DE2324380A1 publication Critical patent/DE2324380A1/de
Publication of DE2324380B2 publication Critical patent/DE2324380B2/de
Application granted granted Critical
Publication of DE2324380C3 publication Critical patent/DE2324380C3/de
Expired legal-status Critical Current

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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
    • G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
    • G06E3/003—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Holo Graphy (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE2324380A 1972-05-19 1973-05-14 Optischer Korrelator Expired DE2324380C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH752672A CH552195A (de) 1972-05-19 1972-05-19 Optischer korrelator zum vergleich eines prueflings mit einem standardobjekt.

Publications (3)

Publication Number Publication Date
DE2324380A1 DE2324380A1 (de) 1973-11-22
DE2324380B2 DE2324380B2 (de) 1980-06-26
DE2324380C3 true DE2324380C3 (de) 1981-03-12

Family

ID=4326526

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2324380A Expired DE2324380C3 (de) 1972-05-19 1973-05-14 Optischer Korrelator

Country Status (8)

Country Link
US (1) US3867639A (OSRAM)
JP (1) JPS4962154A (OSRAM)
CH (1) CH552195A (OSRAM)
DE (1) DE2324380C3 (OSRAM)
FR (1) FR2185786B1 (OSRAM)
GB (1) GB1393661A (OSRAM)
IT (1) IT987477B (OSRAM)
NL (1) NL7306561A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159164A (en) * 1973-10-23 1979-06-26 U.S. Philips Corporation Method of eliminating errors in images derived from patterns which consist of periodically arranged individual images
US4539651A (en) * 1983-02-09 1985-09-03 Ludman Jacques E Optical correlator
DE4124203A1 (de) * 1991-07-20 1993-01-21 Krupp Ag Holographische messmarken
US6266473B1 (en) 1997-02-07 2001-07-24 Alliedsignal Inc. Reflective display
CN106323164B (zh) * 2016-08-08 2019-02-15 中国科学院光电研究院 一种基于平行光比例成像的远距离微物重合度检测方法
CN110006920B (zh) * 2018-12-27 2021-06-15 浙江大学台州研究院 一种复杂表面红宝石轴承缺陷检测的装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614232A (en) * 1968-11-25 1971-10-19 Ibm Pattern defect sensing using error free blocking spacial filter
US3704949A (en) * 1970-06-22 1972-12-05 Rms Ind Inc Method and apparatus for personal identification
US3666359A (en) * 1970-08-26 1972-05-30 Rca Corp Correlation peak detector in optical spatial filtering system
US3670305A (en) * 1970-09-30 1972-06-13 Sperry Rand Corp Lensless optical recognition system
US3746455A (en) * 1971-03-08 1973-07-17 Ibm Dimensional measurement technique using optical filtering

Also Published As

Publication number Publication date
DE2324380B2 (de) 1980-06-26
JPS4962154A (OSRAM) 1974-06-17
US3867639A (en) 1975-02-18
CH552195A (de) 1974-07-31
NL7306561A (OSRAM) 1973-11-21
IT987477B (it) 1975-02-20
GB1393661A (en) 1975-05-07
FR2185786B1 (OSRAM) 1976-11-12
DE2324380A1 (de) 1973-11-22
FR2185786A1 (OSRAM) 1974-01-04

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Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee