IL120726A0 - Autofocus system - Google Patents

Autofocus system

Info

Publication number
IL120726A0
IL120726A0 IL12072697A IL12072697A IL120726A0 IL 120726 A0 IL120726 A0 IL 120726A0 IL 12072697 A IL12072697 A IL 12072697A IL 12072697 A IL12072697 A IL 12072697A IL 120726 A0 IL120726 A0 IL 120726A0
Authority
IL
Israel
Prior art keywords
autofocus system
autofocus
Prior art date
Application number
IL12072697A
Original Assignee
Galore Scantec 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 by Galore Scantec Ltd filed Critical Galore Scantec Ltd
Priority to IL12072697A priority Critical patent/IL120726A0/en
Publication of IL120726A0 publication Critical patent/IL120726A0/en
Priority to PCT/US1998/007884 priority patent/WO1998049522A1/en
Priority to US09/403,570 priority patent/US6208465B1/en
Priority to AU71365/98A priority patent/AU7136598A/en
Priority to EP98918443A priority patent/EP0981718A1/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
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G02B27/4227—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant in image scanning systems
    • 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
    • G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
    • 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
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4244—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in wavelength selecting devices
    • 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
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/425—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application in illumination systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/50—Using chromatic effects to achieve wavelength-dependent depth resolution

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Lenses (AREA)
IL12072697A 1997-04-25 1997-04-25 Autofocus system IL120726A0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IL12072697A IL120726A0 (en) 1997-04-25 1997-04-25 Autofocus system
PCT/US1998/007884 WO1998049522A1 (en) 1997-04-25 1998-04-17 Method and apparatus for imaging an object by diffractive autofocus
US09/403,570 US6208465B1 (en) 1997-04-25 1998-04-17 Method and apparatus for imaging an object by diffractive autofocus
AU71365/98A AU7136598A (en) 1997-04-25 1998-04-17 Method and apparatus for imaging an object by diffractive autofocus
EP98918443A EP0981718A1 (en) 1997-04-25 1998-04-17 Method and apparatus for imaging an object by diffractive autofocus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL12072697A IL120726A0 (en) 1997-04-25 1997-04-25 Autofocus system

Publications (1)

Publication Number Publication Date
IL120726A0 true IL120726A0 (en) 1997-08-14

Family

ID=11070070

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12072697A IL120726A0 (en) 1997-04-25 1997-04-25 Autofocus system

Country Status (4)

Country Link
EP (1) EP0981718A1 (en)
AU (1) AU7136598A (en)
IL (1) IL120726A0 (en)
WO (1) WO1998049522A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2805342B1 (en) * 2000-02-21 2002-07-12 Sabban Joseph Cohen HIGH RESOLUTION OPTICAL 3D SCANNING SENSOR WITH LOW TRIANGULATION ANGLE
FR2807830B1 (en) * 2000-04-14 2002-08-16 Architecture Traitement D Imag OPTOELECTRONIC THREE-DIMENSIONAL SHAPE ACQUISITION DEVICE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762913B2 (en) * 1984-08-17 1995-07-05 株式会社日立製作所 Automatic focus control method
CH671828A5 (en) * 1987-06-26 1989-09-29 Battelle Memorial Institute

Also Published As

Publication number Publication date
WO1998049522A1 (en) 1998-11-05
AU7136598A (en) 1998-11-24
EP0981718A1 (en) 2000-03-01

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