GB2162333B - Recording spatially modulated light patterns - Google Patents

Recording spatially modulated light patterns

Info

Publication number
GB2162333B
GB2162333B GB8418632A GB8418632A GB2162333B GB 2162333 B GB2162333 B GB 2162333B GB 8418632 A GB8418632 A GB 8418632A GB 8418632 A GB8418632 A GB 8418632A GB 2162333 B GB2162333 B GB 2162333B
Authority
GB
United Kingdom
Prior art keywords
modulated light
light patterns
spatially modulated
recording spatially
recording
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
Application number
GB8418632A
Other versions
GB2162333A (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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB8418632A priority Critical patent/GB2162333B/en
Publication of GB2162333A publication Critical patent/GB2162333A/en
Application granted granted Critical
Publication of GB2162333B publication Critical patent/GB2162333B/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
GB8418632A 1984-07-20 1984-07-20 Recording spatially modulated light patterns Expired GB2162333B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8418632A GB2162333B (en) 1984-07-20 1984-07-20 Recording spatially modulated light patterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8418632A GB2162333B (en) 1984-07-20 1984-07-20 Recording spatially modulated light patterns

Publications (2)

Publication Number Publication Date
GB2162333A GB2162333A (en) 1986-01-29
GB2162333B true GB2162333B (en) 1987-10-28

Family

ID=10564245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8418632A Expired GB2162333B (en) 1984-07-20 1984-07-20 Recording spatially modulated light patterns

Country Status (1)

Country Link
GB (1) GB2162333B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173625B (en) * 1985-04-10 1988-10-05 Race Electronics Limited A liquid crystal display device
GB8606783D0 (en) * 1986-03-19 1986-04-23 Gen Electric Co Plc Picture synthesizers
GB2188748B (en) * 1986-04-05 1989-12-13 Stc Plc Semiconductor device manufacture

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1433130A (en) * 1972-11-09 1976-04-22 Secr Defence Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them
FR2444381A1 (en) * 1978-12-15 1980-07-11 Thomson Csf LIQUID CRYSTAL DISPLAY DEVICE
US4405993A (en) * 1981-01-02 1983-09-20 Hewlett-Packard Company Liquid crystal disc memory system
JPS57192925A (en) * 1981-05-07 1982-11-27 Minnesota Mining & Mfg Liquid crystal device with thermal barrier
EP0066965A1 (en) * 1981-06-05 1982-12-15 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Liquid crystal displays
FR2511798A1 (en) * 1981-08-21 1983-02-25 Thomson Csf VISUALIZATION DEVICE WITH SMOTIC LIQUID CRYSTAL
DE3279254D1 (en) * 1981-09-07 1989-01-05 Sony Corp Liquid crystal display device

Also Published As

Publication number Publication date
GB2162333A (en) 1986-01-29

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Legal Events

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