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US 2019/0101451 A1Published application
Temperature display device and temperature history management label
AssigneeSeiko Instruments Inc.
InventorsNorimitsu SAMBONGI, Kazuo TANI, Yoshinori SATO, Takashi YAMAMOTO
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Abstract
A temperature display device capable of accurately displaying a temperature history at any elapsed time, includes a base material; a time-information-to-be-printed portion formed on the base material; and a temperature indicator formed on the base material, the temperature indicator including a photochromic layer.
Claims13
A temperature display device, comprising:
- a base material;
- a time-information-to-be-printed portion formed on the base material;
- and
- a temperature indicator formed on the base material,
- the temperature indicator including a photochromic layer.
2 more elements
Dependencies are inferred from the claim text.