JPS5226241A - Photochromic display unit - Google Patents

Photochromic display unit

Info

Publication number
JPS5226241A
JPS5226241A JP10237575A JP10237575A JPS5226241A JP S5226241 A JPS5226241 A JP S5226241A JP 10237575 A JP10237575 A JP 10237575A JP 10237575 A JP10237575 A JP 10237575A JP S5226241 A JPS5226241 A JP S5226241A
Authority
JP
Japan
Prior art keywords
display unit
photochromic display
photochromic
prevent deterioration
photochromic material
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
JP10237575A
Other languages
Japanese (ja)
Inventor
Masahide Inoue
Akitaka Kaketa
Masaomi Ebihara
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP10237575A priority Critical patent/JPS5226241A/en
Publication of JPS5226241A publication Critical patent/JPS5226241A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE: To prevent deterioration of the re-coloring capability of a photochromic material by effecting data erasion through an electric means.
COPYRIGHT: (C)1977,JPO&Japio
JP10237575A 1975-08-22 1975-08-22 Photochromic display unit Pending JPS5226241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10237575A JPS5226241A (en) 1975-08-22 1975-08-22 Photochromic display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10237575A JPS5226241A (en) 1975-08-22 1975-08-22 Photochromic display unit

Publications (1)

Publication Number Publication Date
JPS5226241A true JPS5226241A (en) 1977-02-26

Family

ID=14325702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10237575A Pending JPS5226241A (en) 1975-08-22 1975-08-22 Photochromic display unit

Country Status (1)

Country Link
JP (1) JPS5226241A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5662887A (en) * 1979-10-29 1981-05-29 Sumikin Coke Co Ltd Treatment of waste liquor of desulfurization in wet desulfurization process of coke oven gas
WO1987003108A1 (en) * 1985-11-06 1987-05-21 Research Development Corporation Of Japan Photochromic material, photochromic element and method of recording and erasing data

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5662887A (en) * 1979-10-29 1981-05-29 Sumikin Coke Co Ltd Treatment of waste liquor of desulfurization in wet desulfurization process of coke oven gas
JPS588717B2 (en) * 1979-10-29 1983-02-17 住金化工株式会社 Treatment method for desulfurization waste liquid in coke oven gas wet desulfurization process
WO1987003108A1 (en) * 1985-11-06 1987-05-21 Research Development Corporation Of Japan Photochromic material, photochromic element and method of recording and erasing data

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