GB2199981B - A temperature responsive display device - Google Patents

A temperature responsive display device

Info

Publication number
GB2199981B
GB2199981B GB8800549A GB8800549A GB2199981B GB 2199981 B GB2199981 B GB 2199981B GB 8800549 A GB8800549 A GB 8800549A GB 8800549 A GB8800549 A GB 8800549A GB 2199981 B GB2199981 B GB 2199981B
Authority
GB
United Kingdom
Prior art keywords
display device
temperature responsive
responsive display
temperature
responsive
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
GB8800549A
Other versions
GB2199981A (en
GB8800549D0 (en
Inventor
Colin David Rickson
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.)
Liquid Crystal Devices Ltd
Original Assignee
Liquid Crystal Devices 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 Liquid Crystal Devices Ltd filed Critical Liquid Crystal Devices Ltd
Publication of GB8800549D0 publication Critical patent/GB8800549D0/en
Publication of GB2199981A publication Critical patent/GB2199981A/en
Application granted granted Critical
Publication of GB2199981B publication Critical patent/GB2199981B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • G01K11/16—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance of organic materials
    • G01K11/165—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance of organic materials of organic liquid crystals
GB8800549A 1987-01-13 1988-01-12 A temperature responsive display device Expired - Fee Related GB2199981B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878700691A GB8700691D0 (en) 1987-01-13 1987-01-13 Temperature responsive display device

Publications (3)

Publication Number Publication Date
GB8800549D0 GB8800549D0 (en) 1988-02-10
GB2199981A GB2199981A (en) 1988-07-20
GB2199981B true GB2199981B (en) 1990-09-12

Family

ID=10610616

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878700691A Pending GB8700691D0 (en) 1987-01-13 1987-01-13 Temperature responsive display device
GB8800549A Expired - Fee Related GB2199981B (en) 1987-01-13 1988-01-12 A temperature responsive display device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878700691A Pending GB8700691D0 (en) 1987-01-13 1987-01-13 Temperature responsive display device

Country Status (1)

Country Link
GB (2) GB8700691D0 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8917304D0 (en) * 1989-07-28 1989-09-13 Liquid Crystal Devices Ltd A liquid crystal visual display device
GB2242052B (en) * 1990-03-14 1994-01-19 Uk Games Limited A gaming machine comprising a display arrangement.
US5370841A (en) * 1990-11-26 1994-12-06 Mcdonnell; Joseph A. Microwave leakage detector
US5484205A (en) * 1993-07-23 1996-01-16 Asulab S.A. Temperature indicator and watch provided with such a temperature indicator
CH686331B5 (en) * 1993-07-23 1996-09-13 Asulab Sa Indicator temperatures and watch equipped with such a temperature indicator.
FR2708738B1 (en) * 1993-07-30 1995-09-15 Asulab Sa Temperature indicator and watch provided with such a temperature indicator.
US5520385A (en) * 1993-07-30 1996-05-28 Composite Development Corporation Article assembled with thermoreponsive material and method
SE515437C2 (en) 1997-10-22 2001-08-06 Lars Andersson Figure Painting
US6113857A (en) * 1997-12-09 2000-09-05 Eastman Kodak Corporation Gauge type time and temperature integrating indicator device
ES2146164B1 (en) * 1998-04-28 2001-03-01 Promocrystal S L ADVERTISING SUPPORT WITH DOUBLE SCALE OF TEMPERATURE INDICATION.
US6241386B1 (en) 1998-12-28 2001-06-05 Randy Martin Limburg Decal with multiple concealing features that selectively display or conceal temperature sensors according to ambient temperature
AU2001259787A1 (en) * 2000-05-17 2001-11-26 In2Wine, Inc. Wine bottle temperature director
US6579006B1 (en) * 2000-08-25 2003-06-17 Blake Pariseau Thermochromic method and device for use relative to a product container
US6694912B2 (en) * 2001-06-27 2004-02-24 Blyth, Inc. Thermochromic ink safety label for chafing fuel cans and methods of making the same
US6893153B2 (en) * 2002-06-28 2005-05-17 Hewlett-Packard Development Company, L.P. Temperature-indicating power adapter and electronic device that operates therewith
DE20219911U1 (en) * 2002-12-23 2003-03-13 Bsh Bosch Siemens Hausgeraete Temperature display element for a refrigerator
US7258073B2 (en) * 2004-01-20 2007-08-21 Mcguire Katherine M Pictorial thermometer
GB2420649A (en) * 2004-11-30 2006-05-31 Ersin Hasan Thermometer based clothing indicator
KR20070041077A (en) * 2005-10-14 2007-04-18 한미약품 주식회사 Eye-drop case with temperature sign
EP2219735A2 (en) 2007-11-12 2010-08-25 Koninklijke Philips Electronics N.V. Tissue temperature indicating element for ultrasound therapy
GB2516289B (en) * 2013-07-18 2015-09-30 Lcr Hallcrest Ltd Monitoring temperature of a sleeping infant

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2085585A (en) * 1980-10-07 1982-04-28 Secr Defence Temperature indicating device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2085585A (en) * 1980-10-07 1982-04-28 Secr Defence Temperature indicating device

Also Published As

Publication number Publication date
GB2199981A (en) 1988-07-20
GB8700691D0 (en) 1987-02-18
GB8800549D0 (en) 1988-02-10

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Legal Events

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

Effective date: 19940112