ATA835177A - Verfahren zur umsetzung von helligkeitswerten in isochromaten - Google Patents

Verfahren zur umsetzung von helligkeitswerten in isochromaten

Info

Publication number
ATA835177A
ATA835177A AT835177A AT835177A ATA835177A AT A835177 A ATA835177 A AT A835177A AT 835177 A AT835177 A AT 835177A AT 835177 A AT835177 A AT 835177A AT A835177 A ATA835177 A AT A835177A
Authority
AT
Austria
Prior art keywords
isochromats
lightness values
converting
converting lightness
values
Prior art date
Application number
AT835177A
Other languages
English (en)
Other versions
AT352528B (de
Original Assignee
Bayer Ag
Cawo Photochem Fab
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 Bayer Ag, Cawo Photochem Fab filed Critical Bayer Ag
Publication of ATA835177A publication Critical patent/ATA835177A/de
Application granted granted Critical
Publication of AT352528B publication Critical patent/AT352528B/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/28—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating
    • B41M5/281—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating using liquid crystals only
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/02—Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/16—X-ray, infrared, or ultraviolet ray processes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Polarising Elements (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
AT835177A 1976-11-24 1977-11-22 Verfahren zur umsetzung von helligkeitswerten in isochromaten AT352528B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762653419 DE2653419A1 (de) 1976-11-24 1976-11-24 Verfahren zur umsetzung von helligkeitswerten in isochromaten

Publications (2)

Publication Number Publication Date
ATA835177A true ATA835177A (de) 1979-02-15
AT352528B AT352528B (de) 1979-09-25

Family

ID=5993881

Family Applications (1)

Application Number Title Priority Date Filing Date
AT835177A AT352528B (de) 1976-11-24 1977-11-22 Verfahren zur umsetzung von helligkeitswerten in isochromaten

Country Status (13)

Country Link
US (1) US4367407A (de)
JP (1) JPS5365749A (de)
AT (1) AT352528B (de)
BE (1) BE861130A (de)
BR (1) BR7707802A (de)
CA (1) CA1102437A (de)
CH (1) CH625615A5 (de)
DE (1) DE2653419A1 (de)
ES (1) ES464395A1 (de)
FR (1) FR2372454A1 (de)
GB (1) GB1601128A (de)
NL (1) NL7712802A (de)
SE (1) SE7713234L (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010218B2 (ja) * 1981-02-20 1985-03-15 日産自動車株式会社 速度計用ウォ−ムの固定構造
US7286111B2 (en) * 2003-11-13 2007-10-23 Eastman Kodak Company Apparatus for electro-optically writing a display

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB891992A (en) * 1958-08-08 1962-03-21 Logetronics Inc Improvements relating to photographic methods and apparatus
US3114836A (en) * 1960-03-04 1963-12-17 Westinghouse Electric Corp Thermal imaging devices utilizing a cholesteric liquid crystalline phase material
US3133194A (en) * 1961-10-24 1964-05-12 Joseph H Watson Image enhancement and display apparatus
US3331688A (en) * 1963-01-04 1967-07-18 Altman Gerald Process for producing images by episcopic projection utilizing directive illumination
US3401262A (en) * 1965-06-29 1968-09-10 Westinghouse Electric Corp Radiation sensitive display system utilizing a cholesteric liquid crystalline phase material
GB1138590A (en) * 1966-06-17 1969-01-01 Ncr Co Visual display device
US3438022A (en) * 1966-07-07 1969-04-08 Teeg Research Inc Thermochromic display device
US3441513A (en) * 1966-08-05 1969-04-29 Boeing Co Liquid crystal compositions
GB1324192A (en) * 1970-10-29 1973-07-18 Atomic Energy Authority Uk Nuclear reactor fuel elements
US3666948A (en) * 1971-01-06 1972-05-30 Xerox Corp Liquid crystal thermal imaging system having an undisturbed image on a disturbed background
US3736135A (en) * 1971-09-07 1973-05-29 Rand Corp Method of increasing image contrast

Also Published As

Publication number Publication date
US4367407A (en) 1983-01-04
BE861130A (fr) 1978-05-24
ES464395A1 (es) 1978-09-01
FR2372454A1 (fr) 1978-06-23
AT352528B (de) 1979-09-25
JPS5365749A (en) 1978-06-12
SE7713234L (sv) 1978-05-25
GB1601128A (en) 1981-10-28
CH625615A5 (de) 1981-09-30
DE2653419A1 (de) 1978-06-01
CA1102437A (en) 1981-06-02
BR7707802A (pt) 1978-08-01
NL7712802A (nl) 1978-05-26

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee