FR2268257A1 - Electrothermal analogue temperature indicator - shows the temperature of a heating device using liquid crystal display - Google Patents

Electrothermal analogue temperature indicator - shows the temperature of a heating device using liquid crystal display

Info

Publication number
FR2268257A1
FR2268257A1 FR7413965A FR7413965A FR2268257A1 FR 2268257 A1 FR2268257 A1 FR 2268257A1 FR 7413965 A FR7413965 A FR 7413965A FR 7413965 A FR7413965 A FR 7413965A FR 2268257 A1 FR2268257 A1 FR 2268257A1
Authority
FR
France
Prior art keywords
liquid crystal
temperature
heating device
electrothermal
layer
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.)
Granted
Application number
FR7413965A
Other languages
English (en)
French (fr)
Other versions
FR2268257B3 (enExample
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.)
PARKER RESEARCH ROBERT
Original Assignee
PARKER RESEARCH ROBERT
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 PARKER RESEARCH ROBERT filed Critical PARKER RESEARCH ROBERT
Priority to FR7413965A priority Critical patent/FR2268257A1/fr
Publication of FR2268257A1 publication Critical patent/FR2268257A1/fr
Application granted granted Critical
Publication of FR2268257B3 publication Critical patent/FR2268257B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR7413965A 1974-04-22 1974-04-22 Electrothermal analogue temperature indicator - shows the temperature of a heating device using liquid crystal display Granted FR2268257A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7413965A FR2268257A1 (en) 1974-04-22 1974-04-22 Electrothermal analogue temperature indicator - shows the temperature of a heating device using liquid crystal display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7413965A FR2268257A1 (en) 1974-04-22 1974-04-22 Electrothermal analogue temperature indicator - shows the temperature of a heating device using liquid crystal display

Publications (2)

Publication Number Publication Date
FR2268257A1 true FR2268257A1 (en) 1975-11-14
FR2268257B3 FR2268257B3 (enExample) 1977-03-04

Family

ID=9137952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7413965A Granted FR2268257A1 (en) 1974-04-22 1974-04-22 Electrothermal analogue temperature indicator - shows the temperature of a heating device using liquid crystal display

Country Status (1)

Country Link
FR (1) FR2268257A1 (enExample)

Also Published As

Publication number Publication date
FR2268257B3 (enExample) 1977-03-04

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Legal Events

Date Code Title Description
ST Notification of lapse