JPS554564A - Temperature display device - Google Patents
Temperature display deviceInfo
- Publication number
- JPS554564A JPS554564A JP7781778A JP7781778A JPS554564A JP S554564 A JPS554564 A JP S554564A JP 7781778 A JP7781778 A JP 7781778A JP 7781778 A JP7781778 A JP 7781778A JP S554564 A JPS554564 A JP S554564A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- ceramics
- sheathed heater
- colored plate
- light
- 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.)
- Pending
Links
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
PURPOSE: To display the surface temperature of a sheathed heater or the like from discoloration owing to temperature by using a temperature sensitive light transmittable ceramics whose light transmittance changes with a change in temperature and whose one surface is laminated with a colored plate.
CONSTITUTION: A red or other colored plate 2 is laminated on one surface of a transparent ceramics 1 of ferrodielectric substance having temperature sensitivity and the ceramics is so affixed or installed to or near the surface of a sheathed heater that the colored plate 2 comes on the sheathed heater side. The transparent ceramics 1 having the characteristics that the transmittance of light is low at room temperature and becomes high above curie temperature is heated as the sheathed heater is energized. When its temperature rises above curie temperature, its transmittance of light rises and therefore it becomes that the colored plate 2 or pattern at the bottom face of the ceramics is visible, from which the temperature rise may be visually checked.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7781778A JPS554564A (en) | 1978-06-26 | 1978-06-26 | Temperature display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7781778A JPS554564A (en) | 1978-06-26 | 1978-06-26 | Temperature display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS554564A true JPS554564A (en) | 1980-01-14 |
Family
ID=13644571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7781778A Pending JPS554564A (en) | 1978-06-26 | 1978-06-26 | Temperature display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS554564A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6395331A (en) * | 1986-10-09 | 1988-04-26 | Nok Corp | Heat label |
CN108107023A (en) * | 2017-12-20 | 2018-06-01 | 哈尔滨工业大学 | A kind of low consumption thermal histories display and its preparation and application |
-
1978
- 1978-06-26 JP JP7781778A patent/JPS554564A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6395331A (en) * | 1986-10-09 | 1988-04-26 | Nok Corp | Heat label |
CN108107023A (en) * | 2017-12-20 | 2018-06-01 | 哈尔滨工业大学 | A kind of low consumption thermal histories display and its preparation and application |
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