GB2266785B - Holographic laser scanning unit for laser printer - Google Patents

Holographic laser scanning unit for laser printer

Info

Publication number
GB2266785B
GB2266785B GB9308398A GB9308398A GB2266785B GB 2266785 B GB2266785 B GB 2266785B GB 9308398 A GB9308398 A GB 9308398A GB 9308398 A GB9308398 A GB 9308398A GB 2266785 B GB2266785 B GB 2266785B
Authority
GB
United Kingdom
Prior art keywords
scanning unit
laser
holographic
printer
laser scanning
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 - Fee Related
Application number
GB9308398A
Other versions
GB9308398D0 (en
GB2266785A (en
Inventor
Keun Young Yang
Sung-Woo Noh
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.)
LG Electronics Inc
Original Assignee
Gold Star Co 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 Gold Star Co Ltd filed Critical Gold Star Co Ltd
Publication of GB9308398D0 publication Critical patent/GB9308398D0/en
Publication of GB2266785A publication Critical patent/GB2266785A/en
Application granted granted Critical
Publication of GB2266785B publication Critical patent/GB2266785B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B27/4233—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/455—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using laser arrays, the laser array being smaller than the medium to be recorded
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners
    • 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
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/0031—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for scanning purposes
    • 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
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/0037—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting elements
    • 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
    • G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • G02B27/4277—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path being separated by an air space
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Laser Beam Printer (AREA)
GB9308398A 1992-04-24 1993-04-23 Holographic laser scanning unit for laser printer Expired - Fee Related GB2266785B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR92006976A KR960010411B1 (en) 1992-04-24 1992-04-24 Holographic laser scanning unit in lbp

Publications (3)

Publication Number Publication Date
GB9308398D0 GB9308398D0 (en) 1993-06-09
GB2266785A GB2266785A (en) 1993-11-10
GB2266785B true GB2266785B (en) 1995-11-22

Family

ID=19332279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9308398A Expired - Fee Related GB2266785B (en) 1992-04-24 1993-04-23 Holographic laser scanning unit for laser printer

Country Status (3)

Country Link
JP (1) JPH06102465A (en)
KR (1) KR960010411B1 (en)
GB (1) GB2266785B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3862446B2 (en) * 1998-10-02 2006-12-27 キヤノン株式会社 Imaging lens and image reading apparatus using the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2094497A (en) * 1981-02-25 1982-09-15 Benson Inc Optical mechanical semiconductor laser scanning system
EP0062545A1 (en) * 1981-04-08 1982-10-13 Xerox Corporation Optical scanning system
EP0132956A2 (en) * 1983-06-30 1985-02-13 Fujitsu Limited Light beam scanning apparatus
US4826268A (en) * 1987-11-25 1989-05-02 Holotek, Ltd. Hologon scanner system
US4957336A (en) * 1985-07-31 1990-09-18 Fujitsu Limited Laser beam scanner and its fabricating method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2094497A (en) * 1981-02-25 1982-09-15 Benson Inc Optical mechanical semiconductor laser scanning system
EP0062545A1 (en) * 1981-04-08 1982-10-13 Xerox Corporation Optical scanning system
EP0132956A2 (en) * 1983-06-30 1985-02-13 Fujitsu Limited Light beam scanning apparatus
US4957336A (en) * 1985-07-31 1990-09-18 Fujitsu Limited Laser beam scanner and its fabricating method
US4826268A (en) * 1987-11-25 1989-05-02 Holotek, Ltd. Hologon scanner system

Also Published As

Publication number Publication date
JPH06102465A (en) 1994-04-15
GB9308398D0 (en) 1993-06-09
GB2266785A (en) 1993-11-10
KR960010411B1 (en) 1996-07-31
KR930021398A (en) 1993-11-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990423