JPS6260713B2 - - Google Patents

Info

Publication number
JPS6260713B2
JPS6260713B2 JP53029569A JP2956978A JPS6260713B2 JP S6260713 B2 JPS6260713 B2 JP S6260713B2 JP 53029569 A JP53029569 A JP 53029569A JP 2956978 A JP2956978 A JP 2956978A JP S6260713 B2 JPS6260713 B2 JP S6260713B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic pole
magnet
sleeve element
attraction force
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
Application number
JP53029569A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54122131A (en
Inventor
Manabu Mochizuki
Masahide Harada
Mitsuo Tanaka
Hiroharu Suzuki
Kazuaki Tagawa
Kazuo Kobayashi
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 JP2956978A priority Critical patent/JPS54122131A/ja
Priority to CA000319418A priority patent/CA1135046A/en
Priority to EP80107642A priority patent/EP0031503B1/en
Priority to EP19790100081 priority patent/EP0003134B1/en
Priority to DE8080107642T priority patent/DE2967496D1/de
Priority to DE7979100081T priority patent/DE2960948D1/de
Publication of JPS54122131A publication Critical patent/JPS54122131A/ja
Publication of JPS6260713B2 publication Critical patent/JPS6260713B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)
JP2956978A 1978-01-11 1978-03-15 Magnetic brush developing device Granted JPS54122131A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2956978A JPS54122131A (en) 1978-03-15 1978-03-15 Magnetic brush developing device
CA000319418A CA1135046A (en) 1978-01-11 1979-01-10 Magnetic brush development apparatus
EP80107642A EP0031503B1 (en) 1978-01-11 1979-01-11 Magnetic brush development apparatus
EP19790100081 EP0003134B1 (en) 1978-01-11 1979-01-11 Magnetic brush development apparatus
DE8080107642T DE2967496D1 (en) 1978-01-11 1979-01-11 Magnetic brush development apparatus
DE7979100081T DE2960948D1 (en) 1978-01-11 1979-01-11 Magnetic brush development apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2956978A JPS54122131A (en) 1978-03-15 1978-03-15 Magnetic brush developing device

Publications (2)

Publication Number Publication Date
JPS54122131A JPS54122131A (en) 1979-09-21
JPS6260713B2 true JPS6260713B2 (en]) 1987-12-17

Family

ID=12279746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2956978A Granted JPS54122131A (en) 1978-01-11 1978-03-15 Magnetic brush developing device

Country Status (1)

Country Link
JP (1) JPS54122131A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2540348Y2 (ja) * 1993-08-06 1997-07-02 有馬 孝榮 学習用時計

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146133A (en) * 1974-10-18 1976-04-20 Ricoh Kk Jikigenzosochi
JPS5331021B2 (en]) * 1974-11-05 1978-08-30
JPS5263344A (en) * 1975-11-19 1977-05-25 Ricoh Co Ltd Toner density control by magnetic brush

Also Published As

Publication number Publication date
JPS54122131A (en) 1979-09-21

Similar Documents

Publication Publication Date Title
CA2028702C (en) Dual ac development system
JPH01189664A (ja) フリンジフリー、３レベルの画像形成方法
JPH0321909B2 (en])
US4331100A (en) Magnetic brush development apparatus
JPS58186768A (ja) 現像装置
US5187535A (en) Image forming apparatus
US6397031B1 (en) Development apparatus with first and second developer carrying member and a plurality of magnetic field generating means for regulating developer layer thickness
JPH0114587B2 (en])
JPS5536889A (en) Dichromatic image reproduction method
JPS6260713B2 (en])
JPS60168177A (ja) 一成分現像装置
EP0003134B1 (en) Magnetic brush development apparatus
JPS5917829B2 (ja) フクシヤキニオケル ジキブラシゲンゾウホウ オヨビ ソウチ
JPS6030945B2 (ja) 磁気現像装置
JPS5930917Y2 (ja) 磁気ブラシ現像装置
JP2800001B2 (ja) 画像形成装置の乾式現像装置
JPS58149076A (ja) 乾式現像装置
JPS6030946B2 (ja) 現像装置
JP3363604B2 (ja) 画像形成装置
JPH0259466B2 (en])
JPS61138261A (ja) 電子写真現像法
JPH07199664A (ja) 一成分現像装置
JPH05119592A (ja) 現像装置
JPS6250864A (ja) 現像装置
JPS6337391B2 (en])