CA2118729C - Gray scale printing using spatial light modulators - Google Patents

Gray scale printing using spatial light modulators Download PDF

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Publication number
CA2118729C
CA2118729C CA002118729A CA2118729A CA2118729C CA 2118729 C CA2118729 C CA 2118729C CA 002118729 A CA002118729 A CA 002118729A CA 2118729 A CA2118729 A CA 2118729A CA 2118729 C CA2118729 C CA 2118729C
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CA
Canada
Prior art keywords
row
pulse width
width modulation
data
line
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
CA002118729A
Other languages
English (en)
French (fr)
Other versions
CA2118729A1 (en
Inventor
Vadlammanti Venkateswar
James St. Clair
William E. Nelson
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CA2118729A1 publication Critical patent/CA2118729A1/en
Application granted granted Critical
Publication of CA2118729C publication Critical patent/CA2118729C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40031—Circuits exciting or modulating particular heads for reproducing continuous tone value scales for a plurality of reproducing elements simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Laser Beam Printer (AREA)
  • Color, Gradation (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Image Processing (AREA)
  • Fax Reproducing Arrangements (AREA)
CA002118729A 1993-03-29 1994-03-10 Gray scale printing using spatial light modulators Expired - Fee Related CA2118729C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US038,391 1987-04-15
US08/038,391 US5461410A (en) 1993-03-29 1993-03-29 Gray scale printing using spatial light modulators

Publications (2)

Publication Number Publication Date
CA2118729A1 CA2118729A1 (en) 1994-09-30
CA2118729C true CA2118729C (en) 2003-09-16

Family

ID=21899679

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002118729A Expired - Fee Related CA2118729C (en) 1993-03-29 1994-03-10 Gray scale printing using spatial light modulators

Country Status (8)

Country Link
US (1) US5461410A (OSRAM)
EP (1) EP0655858B1 (OSRAM)
JP (1) JPH07131648A (OSRAM)
KR (1) KR100318033B1 (OSRAM)
CN (1) CN1050724C (OSRAM)
CA (1) CA2118729C (OSRAM)
DE (1) DE69421894T2 (OSRAM)
TW (1) TW267218B (OSRAM)

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US6407766B1 (en) 2000-07-18 2002-06-18 Eastman Kodak Company Method and apparatus for printing to a photosensitive media using multiple spatial light modulators
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US6930797B2 (en) * 2001-02-27 2005-08-16 Eastman Kodak Company Method and apparatus for printing high resolution images using multiple reflective spatial light modulators
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US6747781B2 (en) 2001-06-25 2004-06-08 Silicon Light Machines, Inc. Method, apparatus, and diffuser for reducing laser speckle
US6829092B2 (en) 2001-08-15 2004-12-07 Silicon Light Machines, Inc. Blazed grating light valve
US6980321B2 (en) * 2001-08-20 2005-12-27 Eastman Kodak Company Method and apparatus for printing high resolution images using multiple reflective spatial light modulators
US6930364B2 (en) 2001-09-13 2005-08-16 Silicon Light Machines Corporation Microelectronic mechanical system and methods
US6956995B1 (en) 2001-11-09 2005-10-18 Silicon Light Machines Corporation Optical communication arrangement
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US6734889B2 (en) 2002-09-10 2004-05-11 Eastman Kodak Company Color printer comprising a linear grating spatial light modulator
US6712480B1 (en) 2002-09-27 2004-03-30 Silicon Light Machines Controlled curvature of stressed micro-structures
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US6927891B1 (en) 2002-12-23 2005-08-09 Silicon Light Machines Corporation Tilt-able grating plane for improved crosstalk in 1×N blaze switches
US7068372B1 (en) 2003-01-28 2006-06-27 Silicon Light Machines Corporation MEMS interferometer-based reconfigurable optical add-and-drop multiplexor
US7286764B1 (en) 2003-02-03 2007-10-23 Silicon Light Machines Corporation Reconfigurable modulator-based optical add-and-drop multiplexer
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US6922272B1 (en) 2003-02-14 2005-07-26 Silicon Light Machines Corporation Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices
US6917462B2 (en) * 2003-02-24 2005-07-12 Eastman Kodak Company Method and apparatus for translating a spatial light modulator to provide dithering
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US7027202B1 (en) 2003-02-28 2006-04-11 Silicon Light Machines Corp Silicon substrate as a light modulator sacrificial layer
US6922273B1 (en) 2003-02-28 2005-07-26 Silicon Light Machines Corporation PDL mitigation structure for diffractive MEMS and gratings
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US8519937B2 (en) * 2005-03-31 2013-08-27 Intel Corporation Digitally modulated image projection system
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JP5267029B2 (ja) * 2007-10-12 2013-08-21 株式会社ニコン 照明光学装置、露光装置及びデバイスの製造方法
CN101681125B (zh) * 2007-10-16 2013-08-21 株式会社尼康 照明光学系统、曝光装置以及元件制造方法
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US8379187B2 (en) * 2007-10-24 2013-02-19 Nikon Corporation Optical unit, illumination optical apparatus, exposure apparatus, and device manufacturing method
US9116346B2 (en) 2007-11-06 2015-08-25 Nikon Corporation Illumination apparatus, illumination method, exposure apparatus, and device manufacturing method
CN101910817B (zh) 2008-05-28 2016-03-09 株式会社尼康 照明光学系统、曝光装置以及器件制造方法
CN119173394A (zh) * 2022-05-27 2024-12-20 速尔特技术有限公司 用于增材制造的灰度区域打印

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Also Published As

Publication number Publication date
US5461410A (en) 1995-10-24
EP0655858A1 (en) 1995-05-31
CN1050724C (zh) 2000-03-22
KR940021266A (ko) 1994-10-17
DE69421894D1 (de) 2000-01-05
CA2118729A1 (en) 1994-09-30
JPH07131648A (ja) 1995-05-19
DE69421894T2 (de) 2000-06-29
TW267218B (OSRAM) 1996-01-01
KR100318033B1 (ko) 2002-04-06
EP0655858B1 (en) 1999-12-01
CN1101136A (zh) 1995-04-05

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