CH686331GA3 - Temp. indicator and temperature indicating watch face - Google Patents

Temp. indicator and temperature indicating watch face

Info

Publication number
CH686331GA3
CH686331GA3 CH224593A CH224593A CH686331GA3 CH 686331G A3 CH686331G A3 CH 686331GA3 CH 224593 A CH224593 A CH 224593A CH 224593 A CH224593 A CH 224593A CH 686331G A3 CH686331G A3 CH 686331GA3
Authority
CH
Switzerland
Prior art keywords
zone
indicator
temp
reacts
substrate
Prior art date
Application number
CH224593A
Other languages
French (fr)
Other versions
CH686331B5 (en
Inventor
Joachim Grupp
Jean-Charles Poli
Original Assignee
Asulab Sa
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 Asulab Sa filed Critical Asulab Sa
Priority to CH02245/93A priority Critical patent/CH686331B5/en
Priority to US08/257,299 priority patent/US5484205A/en
Priority to EP94110778A priority patent/EP0635706B1/en
Priority to DE69406063T priority patent/DE69406063T2/en
Priority to JP6183089A priority patent/JPH0755593A/en
Publication of CH686331GA3 publication Critical patent/CH686331GA3/en
Publication of CH686331B5 publication Critical patent/CH686331B5/en
Priority to HK98102700.0A priority patent/HK1003599B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The temperature indicator is a substrate having several adjacent distinct zones (I to VIII), each carrying a thermosensitive material (A). This reacts to a small temperature range, differing for each zone. Another thermosensitive layer (B), over the first, reacts to different zoned temperatures. The intersection of the first and second scales being null, in each zone. A third thermosensitive layer (C) may be placed over the second, reacting similarly. The adjacent zones may have a common overlap in some layers, smaller than each zone range. The successive layers (A,B,C) may be covered by a transparent layer. The substrate has a black surface. The temperature reactions may produce red to violet colours, with black showing when non- activated.
CH02245/93A 1993-07-23 1993-07-23 Indicator temperatures and watch equipped with such a temperature indicator. CH686331B5 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH02245/93A CH686331B5 (en) 1993-07-23 1993-07-23 Indicator temperatures and watch equipped with such a temperature indicator.
US08/257,299 US5484205A (en) 1993-07-23 1994-06-09 Temperature indicator and watch provided with such a temperature indicator
EP94110778A EP0635706B1 (en) 1993-07-23 1994-07-12 Temperature indicator and watch with such a temperature indicator
DE69406063T DE69406063T2 (en) 1993-07-23 1994-07-12 Temperature indicator and watch with such a temperature indicator
JP6183089A JPH0755593A (en) 1993-07-23 1994-07-13 Temperature indicator and timepiece having temperature indicator
HK98102700.0A HK1003599B (en) 1993-07-23 1998-03-31 Temperature indicator and watch with such a temperature indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH02245/93A CH686331B5 (en) 1993-07-23 1993-07-23 Indicator temperatures and watch equipped with such a temperature indicator.

Publications (2)

Publication Number Publication Date
CH686331GA3 true CH686331GA3 (en) 1996-03-15
CH686331B5 CH686331B5 (en) 1996-09-13

Family

ID=4229259

Family Applications (1)

Application Number Title Priority Date Filing Date
CH02245/93A CH686331B5 (en) 1993-07-23 1993-07-23 Indicator temperatures and watch equipped with such a temperature indicator.

Country Status (1)

Country Link
CH (1) CH686331B5 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135081A (en) * 1983-01-31 1984-08-22 Tak Lam Philip Yung A dial for a timepiece
JPS61193039A (en) * 1985-02-22 1986-08-27 Suriitec Kk Liquid-crystal thermometer
GB2199981A (en) * 1987-01-13 1988-07-20 Liquid Crystal Devices Ltd A temperature responsive display device
US4952033A (en) * 1987-07-13 1990-08-28 James L. Fergason Liquid crystal medical device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135081A (en) * 1983-01-31 1984-08-22 Tak Lam Philip Yung A dial for a timepiece
JPS61193039A (en) * 1985-02-22 1986-08-27 Suriitec Kk Liquid-crystal thermometer
GB2199981A (en) * 1987-01-13 1988-07-20 Liquid Crystal Devices Ltd A temperature responsive display device
US4952033A (en) * 1987-07-13 1990-08-28 James L. Fergason Liquid crystal medical device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 19 (P - 537) 20 January 1987 (1987-01-20) *

Also Published As

Publication number Publication date
CH686331B5 (en) 1996-09-13

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Legal Events

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