JPS6347182U - - Google Patents

Info

Publication number
JPS6347182U
JPS6347182U JP14107886U JP14107886U JPS6347182U JP S6347182 U JPS6347182 U JP S6347182U JP 14107886 U JP14107886 U JP 14107886U JP 14107886 U JP14107886 U JP 14107886U JP S6347182 U JPS6347182 U JP S6347182U
Authority
JP
Japan
Prior art keywords
temperature
telephone card
utility
scope
heat generated
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
JP14107886U
Other languages
English (en)
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 filed Critical
Priority to JP14107886U priority Critical patent/JPS6347182U/ja
Publication of JPS6347182U publication Critical patent/JPS6347182U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Credit Cards Or The Like (AREA)

Description

【図面の簡単な説明】
第１図はテレホンカードデザイン面に三段階で
変化する示温材を付けたものである。第２図は一
定時間使用後のテレホンカードである。一定温度
になるとそれに反応する図とメツセージがあらわ
れる。点線の見えなかつた図とメツセージがあら
われる。

Claims (1)

    【実用新案登録請求の範囲】
  1. 公衆電話機より発生する熱で変色する様に、示
    温材を付けたテレホンカード。
JP14107886U 1986-09-12 1986-09-12 Pending JPS6347182U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14107886U JPS6347182U (ja) 1986-09-12 1986-09-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14107886U JPS6347182U (ja) 1986-09-12 1986-09-12

Publications (1)

Publication Number Publication Date
JPS6347182U true JPS6347182U (ja) 1988-03-30

Family

ID=31048533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14107886U Pending JPS6347182U (ja) 1986-09-12 1986-09-12

Country Status (1)

Country Link
JP (1) JPS6347182U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0445776U (ja) * 1990-08-21 1992-04-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0445776U (ja) * 1990-08-21 1992-04-17

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