JPS63169749U - - Google Patents

Info

Publication number
JPS63169749U
JPS63169749U JP6041787U JP6041787U JPS63169749U JP S63169749 U JPS63169749 U JP S63169749U JP 6041787 U JP6041787 U JP 6041787U JP 6041787 U JP6041787 U JP 6041787U JP S63169749 U JPS63169749 U JP S63169749U
Authority
JP
Japan
Prior art keywords
writing
signal
outputs
sensor
detects
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
JP6041787U
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 JP6041787U priority Critical patent/JPS63169749U/ja
Publication of JPS63169749U publication Critical patent/JPS63169749U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Facsimiles In General (AREA)
JP6041787U 1987-04-20 1987-04-20 Pending JPS63169749U (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6041787U JPS63169749U (es) 1987-04-20 1987-04-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6041787U JPS63169749U (es) 1987-04-20 1987-04-20

Publications (1)

Publication Number Publication Date
JPS63169749U true JPS63169749U (es) 1988-11-04

Family

ID=30892810

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6041787U Pending JPS63169749U (es) 1987-04-20 1987-04-20

Country Status (1)

Country Link
JP (1) JPS63169749U (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6475297A (en) * 1987-09-17 1989-03-20 Ricoh Kk Electronic blackboard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6475297A (en) * 1987-09-17 1989-03-20 Ricoh Kk Electronic blackboard

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