JPS62138293U - - Google Patents

Info

Publication number
JPS62138293U
JPS62138293U JP2407586U JP2407586U JPS62138293U JP S62138293 U JPS62138293 U JP S62138293U JP 2407586 U JP2407586 U JP 2407586U JP 2407586 U JP2407586 U JP 2407586U JP S62138293 U JPS62138293 U JP S62138293U
Authority
JP
Japan
Prior art keywords
attendance
signal
utility
display device
output
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
JP2407586U
Other languages
English (en)
Japanese (ja)
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 JP2407586U priority Critical patent/JPS62138293U/ja
Publication of JPS62138293U publication Critical patent/JPS62138293U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Audible And Visible Signals (AREA)
JP2407586U 1986-02-21 1986-02-21 Pending JPS62138293U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2407586U JPS62138293U (enrdf_load_stackoverflow) 1986-02-21 1986-02-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2407586U JPS62138293U (enrdf_load_stackoverflow) 1986-02-21 1986-02-21

Publications (1)

Publication Number Publication Date
JPS62138293U true JPS62138293U (enrdf_load_stackoverflow) 1987-08-31

Family

ID=30822971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2407586U Pending JPS62138293U (enrdf_load_stackoverflow) 1986-02-21 1986-02-21

Country Status (1)

Country Link
JP (1) JPS62138293U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH076833U (ja) * 1993-06-01 1995-01-31 日本信号株式会社 不正受講防止装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH076833U (ja) * 1993-06-01 1995-01-31 日本信号株式会社 不正受講防止装置

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