JP2521670Y2 - 電子黒板 - Google Patents

電子黒板

Info

Publication number
JP2521670Y2
JP2521670Y2 JP1990051079U JP5107990U JP2521670Y2 JP 2521670 Y2 JP2521670 Y2 JP 2521670Y2 JP 1990051079 U JP1990051079 U JP 1990051079U JP 5107990 U JP5107990 U JP 5107990U JP 2521670 Y2 JP2521670 Y2 JP 2521670Y2
Authority
JP
Japan
Prior art keywords
film belt
electronic blackboard
roller
charge pattern
film
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 - Fee Related
Application number
JP1990051079U
Other languages
English (en)
Japanese (ja)
Other versions
JPH049795U (enrdf_load_stackoverflow
Inventor
良博 堺
和典 坂内
秀哉 古田
健一 水摩
満 馬見塚
則幸 木村
和重 田口
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP1990051079U priority Critical patent/JP2521670Y2/ja
Publication of JPH049795U publication Critical patent/JPH049795U/ja
Application granted granted Critical
Publication of JP2521670Y2 publication Critical patent/JP2521670Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Facsimiles In General (AREA)
JP1990051079U 1990-05-16 1990-05-16 電子黒板 Expired - Fee Related JP2521670Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990051079U JP2521670Y2 (ja) 1990-05-16 1990-05-16 電子黒板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990051079U JP2521670Y2 (ja) 1990-05-16 1990-05-16 電子黒板

Publications (2)

Publication Number Publication Date
JPH049795U JPH049795U (enrdf_load_stackoverflow) 1992-01-28
JP2521670Y2 true JP2521670Y2 (ja) 1996-12-25

Family

ID=31570191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990051079U Expired - Fee Related JP2521670Y2 (ja) 1990-05-16 1990-05-16 電子黒板

Country Status (1)

Country Link
JP (1) JP2521670Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH049795U (enrdf_load_stackoverflow) 1992-01-28

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees