JPS5217829A - Development device - Google Patents

Development device

Info

Publication number
JPS5217829A
JPS5217829A JP9405875A JP9405875A JPS5217829A JP S5217829 A JPS5217829 A JP S5217829A JP 9405875 A JP9405875 A JP 9405875A JP 9405875 A JP9405875 A JP 9405875A JP S5217829 A JPS5217829 A JP S5217829A
Authority
JP
Japan
Prior art keywords
magnetic
development device
widening
rendering
polarity
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
JP9405875A
Other languages
Japanese (ja)
Inventor
Shuji Murakawa
Yujiro Ando
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP9405875A priority Critical patent/JPS5217829A/en
Publication of JPS5217829A publication Critical patent/JPS5217829A/en
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)

Abstract

PURPOSE: To enable an electrostatic latent image to be developed at a high speed by providing a pair of non-magnetic cylinders at an opposed position each other, rendering one polarity of a magnetic body opposite each other, and widening one of the magnetic polarities.
COPYRIGHT: (C)1977,JPO&Japio
JP9405875A 1975-07-31 1975-07-31 Development device Pending JPS5217829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9405875A JPS5217829A (en) 1975-07-31 1975-07-31 Development device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9405875A JPS5217829A (en) 1975-07-31 1975-07-31 Development device

Publications (1)

Publication Number Publication Date
JPS5217829A true JPS5217829A (en) 1977-02-10

Family

ID=14099931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9405875A Pending JPS5217829A (en) 1975-07-31 1975-07-31 Development device

Country Status (1)

Country Link
JP (1) JPS5217829A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5265453A (en) * 1975-11-26 1977-05-30 Ricoh Co Ltd Magnet roller
US4912511A (en) * 1988-06-17 1990-03-27 Minolta Camera Kabushiki Kaisha Developing device capable of preventing a developer from passing through the space between adjacent developing sleeves

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4945745A (en) * 1972-09-04 1974-05-01 Fuji Xerox Co Ltd
JPS509434A (en) * 1973-05-23 1975-01-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4945745A (en) * 1972-09-04 1974-05-01 Fuji Xerox Co Ltd
JPS509434A (en) * 1973-05-23 1975-01-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5265453A (en) * 1975-11-26 1977-05-30 Ricoh Co Ltd Magnet roller
US4912511A (en) * 1988-06-17 1990-03-27 Minolta Camera Kabushiki Kaisha Developing device capable of preventing a developer from passing through the space between adjacent developing sleeves

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