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JPS5692486A - Wrist watch with weather forecast display device - Google Patents

Wrist watch with weather forecast display device

Info

Publication number
JPS5692486A
JPS5692486A JP17332379A JP17332379A JPS5692486A JP S5692486 A JPS5692486 A JP S5692486A JP 17332379 A JP17332379 A JP 17332379A JP 17332379 A JP17332379 A JP 17332379A JP S5692486 A JPS5692486 A JP S5692486A
Authority
JP
Japan
Prior art keywords
thin film
next day
cobalt chloride
watch
weather forecast
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
Application number
JP17332379A
Other languages
Japanese (ja)
Inventor
Motoyuki Toki
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP17332379A priority Critical patent/JPS5692486A/en
Publication of JPS5692486A publication Critical patent/JPS5692486A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To provide a weather forecast function to a wrist watch by attaching a thin film of cobalt chloride to its case.
CONSTITUTION: A thin film 2 of cobalt chloride is formed to about 2W500μm thickness by coating or the like on the surface of a case 1 of case band or a cover glass consisting of metals, plastics, etc. of a digital watch, or an analog watch or a digital-analog watch. As a result, the thin film 2 of cobalt chloride turns red when the humidity in the atmosphere is high and turns blue when low. Usually, when the humidity in the atmosphere is high, the possibility that the weather will be rainy on the next day is large and when it is low, the possibility that the weather will be fine on the next day is large. Hence, said film indicates that, if the color of the thin film 2 of cobalt chloride is blue, the next day is fine and if red, the next day is rainy.
COPYRIGHT: (C)1981,JPO&Japio
JP17332379A 1979-12-26 1979-12-26 Wrist watch with weather forecast display device Pending JPS5692486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17332379A JPS5692486A (en) 1979-12-26 1979-12-26 Wrist watch with weather forecast display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17332379A JPS5692486A (en) 1979-12-26 1979-12-26 Wrist watch with weather forecast display device

Publications (1)

Publication Number Publication Date
JPS5692486A true JPS5692486A (en) 1981-07-27

Family

ID=15958296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17332379A Pending JPS5692486A (en) 1979-12-26 1979-12-26 Wrist watch with weather forecast display device

Country Status (1)

Country Link
JP (1) JPS5692486A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59168185U (en) * 1983-04-26 1984-11-10 松本精機株式会社 weather forecast display clock
JPH0195696U (en) * 1987-12-17 1989-06-23

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59168185U (en) * 1983-04-26 1984-11-10 松本精機株式会社 weather forecast display clock
JPH041512Y2 (en) * 1983-04-26 1992-01-20
JPH0195696U (en) * 1987-12-17 1989-06-23

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