IT987477B - Correlatore ottico - Google Patents

Correlatore ottico

Info

Publication number
IT987477B
IT987477B IT24141/73A IT2414173A IT987477B IT 987477 B IT987477 B IT 987477B IT 24141/73 A IT24141/73 A IT 24141/73A IT 2414173 A IT2414173 A IT 2414173A IT 987477 B IT987477 B IT 987477B
Authority
IT
Italy
Prior art keywords
optical correlator
correlator
optical
Prior art date
Application number
IT24141/73A
Other languages
English (en)
Original Assignee
Turlabor 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 Turlabor Ag filed Critical Turlabor Ag
Application granted granted Critical
Publication of IT987477B publication Critical patent/IT987477B/it

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; CALCULATING OR 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)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Holo Graphy (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IT24141/73A 1972-05-19 1973-05-16 Correlatore ottico IT987477B (it)

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 (1)

Publication Number Publication Date
IT987477B true IT987477B (it) 1975-02-20

Family

ID=4326526

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24141/73A IT987477B (it) 1972-05-19 1973-05-16 Correlatore ottico

Country Status (8)

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

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
CN113218960B (zh) * 2018-12-27 2024-05-24 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 (it) 1974-06-17
DE2324380A1 (de) 1973-11-22
US3867639A (en) 1975-02-18
FR2185786B1 (it) 1976-11-12
DE2324380C3 (de) 1981-03-12
NL7306561A (it) 1973-11-21
CH552195A (de) 1974-07-31
GB1393661A (en) 1975-05-07
FR2185786A1 (it) 1974-01-04

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