GB9828365D0 - Three-dimensional imaging system - Google Patents

Three-dimensional imaging system

Info

Publication number
GB9828365D0
GB9828365D0 GB9828365A GB9828365A GB9828365D0 GB 9828365 D0 GB9828365 D0 GB 9828365D0 GB 9828365 A GB9828365 A GB 9828365A GB 9828365 A GB9828365 A GB 9828365A GB 9828365 D0 GB9828365 D0 GB 9828365D0
Authority
GB
United Kingdom
Prior art keywords
imaging system
dimensional imaging
dimensional
imaging
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.)
Withdrawn
Application number
GB9828365A
Other versions
GB2347261A (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.)
Defence Evaluation & Research
Original Assignee
Defence Evaluation & Research
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 Defence Evaluation & Research filed Critical Defence Evaluation & Research
Priority to GB9828365A priority Critical patent/GB2347261A/en
Publication of GB9828365D0 publication Critical patent/GB9828365D0/en
Priority to PCT/GB1999/000658 priority patent/WO1999046768A1/en
Priority to KR1020007010039A priority patent/KR100704136B1/en
Priority to US09/622,405 priority patent/US6975457B1/en
Priority to ES99939229T priority patent/ES2177309T3/en
Priority to GB0020069A priority patent/GB2350472B/en
Priority to CA002322951A priority patent/CA2322951C/en
Priority to AU32656/99A priority patent/AU3265699A/en
Priority to JP2000536072A priority patent/JP4344090B2/en
Priority to DE69902153T priority patent/DE69902153T2/en
Priority to EP99939229A priority patent/EP1064651B1/en
Priority to TW088103569A priority patent/TW516030B/en
Publication of GB2347261A publication Critical patent/GB2347261A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • G02B27/02—Viewing or reading apparatus
    • G02B27/04—Viewing or reading apparatus having collapsible parts
    • 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
    • G02B27/4294—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect in multispectral systems, e.g. UV and visible
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1828—Diffraction gratings having means for producing variable diffraction
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2848—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers having refractive means, e.g. imaging elements between light guides as splitting, branching and/or combining devices, e.g. lenses, holograms
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Lenses (AREA)
GB9828365A 1998-03-10 1998-12-23 Multiple-layer imaging system Withdrawn GB2347261A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB9828365A GB2347261A (en) 1998-12-23 1998-12-23 Multiple-layer imaging system
EP99939229A EP1064651B1 (en) 1998-03-10 1999-03-05 Three-dimensional imaging system
CA002322951A CA2322951C (en) 1998-03-10 1999-03-05 Three-dimensional imaging system
KR1020007010039A KR100704136B1 (en) 1998-03-10 1999-03-05 Three-dimensional imaging system
US09/622,405 US6975457B1 (en) 1998-03-10 1999-03-05 Three-dimensional imaging system
ES99939229T ES2177309T3 (en) 1998-03-10 1999-03-05 THREE-DIMENSIONAL IMAGE FORMATION SYSTEM.
GB0020069A GB2350472B (en) 1998-03-10 1999-03-05 Three-dimensional imaging system
PCT/GB1999/000658 WO1999046768A1 (en) 1998-03-10 1999-03-05 Three-dimensional imaging system
AU32656/99A AU3265699A (en) 1998-03-10 1999-03-05 Three-dimensional imaging system
JP2000536072A JP4344090B2 (en) 1998-03-10 1999-03-05 3D image forming system
DE69902153T DE69902153T2 (en) 1998-03-10 1999-03-05 THREE-DIMENSIONAL IMAGING SYSTEM
TW088103569A TW516030B (en) 1998-03-10 1999-03-09 Three-dimensional imaging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9828365A GB2347261A (en) 1998-12-23 1998-12-23 Multiple-layer imaging system

Publications (2)

Publication Number Publication Date
GB9828365D0 true GB9828365D0 (en) 1999-02-17
GB2347261A GB2347261A (en) 2000-08-30

Family

ID=10844831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9828365A Withdrawn GB2347261A (en) 1998-03-10 1998-12-23 Multiple-layer imaging system

Country Status (1)

Country Link
GB (1) GB2347261A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4295474B2 (en) 2002-05-24 2009-07-15 ソニー株式会社 Disk recording medium, disk drive device, and disk manufacturing method
DE102017201127A1 (en) * 2017-01-25 2018-07-26 Robert Bosch Gmbh Optical arrangement and a LIDAR device with such an optical arrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642530A1 (en) * 1989-01-30 1990-08-03 Seiko Epson Corp Focusing mechanism and optical head
KR100200848B1 (en) * 1995-06-26 1999-06-15 윤종용 Dual focusing method and optical pickup using the method

Also Published As

Publication number Publication date
GB2347261A (en) 2000-08-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)