EP1123502A4 - Multiple-head phosphor screen scanner - Google Patents

Multiple-head phosphor screen scanner

Info

Publication number
EP1123502A4
EP1123502A4 EP99958635A EP99958635A EP1123502A4 EP 1123502 A4 EP1123502 A4 EP 1123502A4 EP 99958635 A EP99958635 A EP 99958635A EP 99958635 A EP99958635 A EP 99958635A EP 1123502 A4 EP1123502 A4 EP 1123502A4
Authority
EP
European Patent Office
Prior art keywords
phosphor screen
screen scanner
head
head phosphor
scanner
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Withdrawn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
EP99958635A
Other languages
German (de)
French (fr)
Other versions
EP1123502A2 (en
Inventor
Gary Cantu
Wayne Evans
Todd Lewis
Eric G Rawson
Perry Q Anderson
H Keith Nishihara
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.)
Phormax Corp
Original Assignee
Phormax Corp
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
Priority claimed from US09/260,890 external-priority patent/US6268613B1/en
Application filed by Phormax Corp filed Critical Phormax Corp
Priority claimed from PCT/US1999/022104 external-priority patent/WO2000019477A2/en
Publication of EP1123502A2 publication Critical patent/EP1123502A2/en
Publication of EP1123502A4 publication Critical patent/EP1123502A4/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Withdrawn legal-status Critical Current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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • 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
    • G11B7/1362—Mirrors
    • 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
    • G11B7/1372—Lenses
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
EP99958635A 1998-09-25 1999-09-23 Multiple-head phosphor screen scanner Withdrawn EP1123502A4 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US10184098P 1998-09-25 1998-09-25
US101840P 1998-09-25
US09/260,890 US6268613B1 (en) 1999-03-02 1999-03-02 Multiple-head phosphor screen scanner
US260890 1999-03-02
US15533599P 1999-09-22 1999-09-22
US15533699P 1999-09-22 1999-09-22
PCT/US1999/022104 WO2000019477A2 (en) 1998-09-25 1999-09-23 Multiple-head phosphor screen scanner

Publications (2)

Publication Number Publication Date
EP1123502A2 EP1123502A2 (en) 2001-08-16
EP1123502A4 true EP1123502A4 (en) 2003-11-05

Family

ID=27493224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99958635A Withdrawn EP1123502A4 (en) 1998-09-25 1999-09-23 Multiple-head phosphor screen scanner

Country Status (3)

Country Link
EP (1) EP1123502A4 (en)
KR (1) KR20010089279A (en)
CA (1) CA2345266A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101883102B1 (en) * 2017-04-10 2018-08-02 (주)레보스케치 CR system using spiral scan type and method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470662A (en) * 1983-04-07 1984-09-11 Mid-West Instrument Rotary optic switch
US4626065A (en) * 1981-12-03 1986-12-02 Kei Mori Light conduction apparatus utilizing intermittent illumination applied to optical fibers for photosynthetic reaction
US4816923A (en) * 1985-10-17 1989-03-28 Fuji Photo Film Co., Ltd. Two dimensional light beam scanner used in radiation image information readout
JPH0868770A (en) * 1994-08-29 1996-03-12 Nippon Steel Corp Radiation image reader
US5724171A (en) * 1993-05-19 1998-03-03 Medical Research Council Optical scanning apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626065A (en) * 1981-12-03 1986-12-02 Kei Mori Light conduction apparatus utilizing intermittent illumination applied to optical fibers for photosynthetic reaction
US4470662A (en) * 1983-04-07 1984-09-11 Mid-West Instrument Rotary optic switch
US4816923A (en) * 1985-10-17 1989-03-28 Fuji Photo Film Co., Ltd. Two dimensional light beam scanner used in radiation image information readout
US5724171A (en) * 1993-05-19 1998-03-03 Medical Research Council Optical scanning apparatus
JPH0868770A (en) * 1994-08-29 1996-03-12 Nippon Steel Corp Radiation image reader

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 07 31 July 1996 (1996-07-31) *
See also references of WO0019477A3 *

Also Published As

Publication number Publication date
EP1123502A2 (en) 2001-08-16
KR20010089279A (en) 2001-09-29
CA2345266A1 (en) 2000-04-06

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Legal Events

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Effective date: 20060401