JP2532318Y2 - フォトクロミックカード - Google Patents

フォトクロミックカード

Info

Publication number
JP2532318Y2
JP2532318Y2 JP1990036006U JP3600690U JP2532318Y2 JP 2532318 Y2 JP2532318 Y2 JP 2532318Y2 JP 1990036006 U JP1990036006 U JP 1990036006U JP 3600690 U JP3600690 U JP 3600690U JP 2532318 Y2 JP2532318 Y2 JP 2532318Y2
Authority
JP
Japan
Prior art keywords
photochromic
card
polymer gel
photochromic material
information
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.)
Expired - Lifetime
Application number
JP1990036006U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03126673U (enrdf_load_stackoverflow
Inventor
哲夫 小森
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP1990036006U priority Critical patent/JP2532318Y2/ja
Publication of JPH03126673U publication Critical patent/JPH03126673U/ja
Application granted granted Critical
Publication of JP2532318Y2 publication Critical patent/JP2532318Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Credit Cards Or The Like (AREA)
JP1990036006U 1990-04-03 1990-04-03 フォトクロミックカード Expired - Lifetime JP2532318Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990036006U JP2532318Y2 (ja) 1990-04-03 1990-04-03 フォトクロミックカード

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990036006U JP2532318Y2 (ja) 1990-04-03 1990-04-03 フォトクロミックカード

Publications (2)

Publication Number Publication Date
JPH03126673U JPH03126673U (enrdf_load_stackoverflow) 1991-12-20
JP2532318Y2 true JP2532318Y2 (ja) 1997-04-16

Family

ID=31541859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990036006U Expired - Lifetime JP2532318Y2 (ja) 1990-04-03 1990-04-03 フォトクロミックカード

Country Status (1)

Country Link
JP (1) JP2532318Y2 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62227794A (ja) * 1986-03-31 1987-10-06 東洋インキ製造株式会社 改さん防止物
JPS6313021A (ja) * 1986-07-04 1988-01-20 Ricoh Co Ltd 表示方法
JPS6438743A (en) * 1987-08-04 1989-02-09 Seiko Epson Corp Photochromic paper

Also Published As

Publication number Publication date
JPH03126673U (enrdf_load_stackoverflow) 1991-12-20

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