GB1387276A - Imaging system - Google Patents

Imaging system

Info

Publication number
GB1387276A
GB1387276A GB13172A GB13172A GB1387276A GB 1387276 A GB1387276 A GB 1387276A GB 13172 A GB13172 A GB 13172A GB 13172 A GB13172 A GB 13172A GB 1387276 A GB1387276 A GB 1387276A
Authority
GB
United Kingdom
Prior art keywords
jan
mixture
liquid crystal
divisions
cholesteric
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
GB13172A
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.)
Xerox Corp
Original Assignee
Xerox 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
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of GB1387276A publication Critical patent/GB1387276A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

1387276 Liquid crystal compositions XEROX CORP 3 Jan 1972 [6 Jan 1971] 131/72 Heading C4X [Also in Divisions G2 and H4] A mixture of a cholesteric liquid crystal material with a further cholesteric, nematic and/or smectic material or materials is useful in an imaging method wherein the mixture in the Grandjean texture is heated and cooled to assume the focal conic texture (see Divisions H3-H5). Numerous examples of suitable mixtures are given.
GB13172A 1971-01-06 1972-01-03 Imaging system Expired GB1387276A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10434871A 1971-01-06 1971-01-06

Publications (1)

Publication Number Publication Date
GB1387276A true GB1387276A (en) 1975-03-12

Family

ID=22300017

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13172A Expired GB1387276A (en) 1971-01-06 1972-01-03 Imaging system

Country Status (4)

Country Link
US (1) US3666948A (en)
CA (1) CA964455A (en)
DE (1) DE2200424A1 (en)
GB (1) GB1387276A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163566A (en) * 1984-08-21 1986-02-26 British Aerospace Thermal imagers
GB2171534A (en) * 1985-01-07 1986-08-28 Robillard Jean J A Infrared imaging system
GB2216281A (en) * 1988-02-19 1989-10-04 Gen Electric Co Plc Optical storage devices
US4917476A (en) * 1985-06-21 1990-04-17 British Aerospace Public Limited Company Thermal imagers using liquid crystal sensing elements

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871904A (en) * 1971-08-20 1975-03-18 Xerox Corp Method for providing a liquid crystalline film
US3700306A (en) * 1971-09-22 1972-10-24 Ncr Co Electro-optic shutter having a thin glass or silicon oxide layer between the electrodes and the liquid crystal
GB1433130A (en) * 1972-11-09 1976-04-22 Secr Defence Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them
US4132464A (en) * 1976-02-06 1979-01-02 Hideki Ishii Liquid crystal device
DE2653419A1 (en) * 1976-11-24 1978-06-01 Bayer Ag PROCESS FOR CONVERTING LIGHTNESS VALUES IN ISOCHROMATS
CA1273791A (en) * 1987-03-17 1990-09-11 David M. Makow Display forms using liquid crystals
US6090508A (en) * 1988-06-07 2000-07-18 Ricoh Company, Ltd. Optically anisotropic recording medium and method of recording and erasing information using the same
KR940004732A (en) * 1992-08-07 1994-03-15 가나이 쯔또무 Pattern formation method and thin film formation method used for pattern formation
KR100457189B1 (en) * 1999-12-27 2004-11-16 마쯔시다덴기산교 가부시키가이샤 Liquid crystal display and driving method thereof
JP4052631B2 (en) * 2002-05-17 2008-02-27 株式会社東芝 Active matrix display device
US6885409B2 (en) * 2002-09-27 2005-04-26 Eastman Kodak Company Cholesteric liquid crystal display system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114836A (en) * 1960-03-04 1963-12-17 Westinghouse Electric Corp Thermal imaging devices utilizing a cholesteric liquid crystalline phase material
US3401262A (en) * 1965-06-29 1968-09-10 Westinghouse Electric Corp Radiation sensitive display system utilizing a cholesteric liquid crystalline phase material
US3415991A (en) * 1965-06-29 1968-12-10 Westinghouse Electric Corp Display device utilizing magnetic memory elements for distributing a thermal patternon a heat sensitive screen
US3529156A (en) * 1966-06-13 1970-09-15 Westinghouse Electric Corp Hysteretic cholesteric liquid crystalline compositions and recording devices utilizing such compositions
US3569709A (en) * 1968-03-27 1971-03-09 Optical Coating Laboratory Inc Thermal imaging system utilizing liquid crystal material
US3604930A (en) * 1970-03-05 1971-09-14 Philips J Allen Method and apparatus for displaying visual images of infrared beams

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163566A (en) * 1984-08-21 1986-02-26 British Aerospace Thermal imagers
GB2171534A (en) * 1985-01-07 1986-08-28 Robillard Jean J A Infrared imaging system
US4751387A (en) * 1985-01-07 1988-06-14 Richard L. Scully Infrared imaging system and method
USRE33914E (en) * 1985-01-07 1992-05-05 Richard L. Scully Infrared imaging system and method
US4917476A (en) * 1985-06-21 1990-04-17 British Aerospace Public Limited Company Thermal imagers using liquid crystal sensing elements
GB2216281A (en) * 1988-02-19 1989-10-04 Gen Electric Co Plc Optical storage devices
GB2216282A (en) * 1988-02-19 1989-10-04 Gen Electric Co Plc Optical storage devices
US5073219A (en) * 1988-02-19 1991-12-17 The General Electric Company, P.L.C. Method of and apparatus for making optical storage devices
GB2216282B (en) * 1988-02-19 1992-09-23 Gen Electric Co Plc Optical storage devices

Also Published As

Publication number Publication date
CA964455A (en) 1975-03-18
US3666948A (en) 1972-05-30
DE2200424A1 (en) 1972-07-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees