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JPS56123572A - Development method and device - Google Patents

Development method and device

Info

Publication number
JPS56123572A
JPS56123572AJP2772980AJP2772980AJPS56123572AJP S56123572 AJPS56123572 AJP S56123572AJP 2772980 AJP2772980 AJP 2772980AJP 2772980 AJP2772980 AJP 2772980AJP S56123572 AJPS56123572 AJP S56123572A
Authority
JP
Japan
Prior art keywords
roller
development
magnetic brush
development agent
magnetic
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.)
Granted
Application number
JP2772980A
Other languages
Japanese (ja)
Other versions
JPH0143306B2 (en
Inventor
Kimio Nakahata
Koichi Tanigawa
Hiroyuki Adachi
Takeshi Watanabe
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 IncfiledCriticalCanon Inc
Priority to JP2772980ApriorityCriticalpatent/JPS56123572A/en
Priority to US06/238,634prioritypatent/US4385829A/en
Priority to GB8106622Aprioritypatent/GB2073057B/en
Priority to DE19813108194prioritypatent/DE3108194A1/en
Publication of JPS56123572ApublicationCriticalpatent/JPS56123572A/en
Publication of JPH0143306B2publicationCriticalpatent/JPH0143306B2/ja
Grantedlegal-statusCriticalCurrent

Links

Classifications

Landscapes

Abstract

PURPOSE:To make development of uniform density of a development agent required to the minimum, by giving a magnetic development agent to a supply carrier of nonmagnetism and forming a magnetic brush of the development agent on it with the operation of magnetic field. CONSTITUTION:The toner is coated from the vessel 15 containing one component system toner on the surface of the sleeve roller 12 with the revolution of the said roller 12, the magnetic brush is absorbed magnetically, which is formed with magnet poles 13b and 13a for carriage. In this case, the gap between the doctor blade 16 made of aluminum and the stainless-steel-made magnetic brush sleeve 12 is taken as 1mm. and the gap between the magnetic brush sleeve 12 and the roller made of stainless is taken as 1mm., allowing to obtain thin layer (around 80mu) of one component development agent of sufficient density (reflection density is 1.60) on the development roller 11, and the picture developed shows sufficient density.
JP2772980A1980-03-041980-03-04Development method and deviceGrantedJPS56123572A (en)

Priority Applications (4)

Application NumberPriority DateFiling DateTitle
JP2772980AJPS56123572A (en)1980-03-041980-03-04Development method and device
US06/238,634US4385829A (en)1980-03-041981-02-26Image developing method and device therefor
GB8106622AGB2073057B (en)1980-03-041981-03-03Developing electrostatic images
DE19813108194DE3108194A1 (en)1980-03-041981-03-04 DEVELOPMENT PROCESS AND DEVELOPMENT DEVICE

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
JP2772980AJPS56123572A (en)1980-03-041980-03-04Development method and device

Publications (2)

Publication NumberPublication Date
JPS56123572Atrue JPS56123572A (en)1981-09-28
JPH0143306B2 JPH0143306B2 (en)1989-09-20

Family

ID=12229102

Family Applications (1)

Application NumberTitlePriority DateFiling Date
JP2772980AGrantedJPS56123572A (en)1980-03-041980-03-04Development method and device

Country Status (1)

CountryLink
JP (1)JPS56123572A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS58120281A (en)*1982-01-111983-07-18Canon Inc developing device
JPS6069669A (en)*1983-09-271985-04-20Ricoh Co LtdDeveloping device
JP2005332828A (en)*2004-05-072005-12-02Lumileds Lighting Us Llc Multicolor LED array with improved luminance profile and color uniformity
JP2008186758A (en)*2007-01-312008-08-14Royal Lighting Co Ltd LED lamp for bulb-type lighting
US7950831B2 (en)2004-04-292011-05-31Lg Display Co., Ltd.Recessed LED lamp unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS52133218A (en)*1976-04-301977-11-08Ricoh Co LtdElectrophotographic copying
JPS5368241A (en)*1976-11-301978-06-17Ricoh Co LtdElectrophotographic dry developing device
JPS5518656A (en)*1978-07-281980-02-08Canon IncElectrophotographic developing method
JPS5528034A (en)*1978-08-181980-02-28Hitachi Metals LtdMagnetic brush developing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS52133218A (en)*1976-04-301977-11-08Ricoh Co LtdElectrophotographic copying
JPS5368241A (en)*1976-11-301978-06-17Ricoh Co LtdElectrophotographic dry developing device
JPS5518656A (en)*1978-07-281980-02-08Canon IncElectrophotographic developing method
JPS5528034A (en)*1978-08-181980-02-28Hitachi Metals LtdMagnetic brush developing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS58120281A (en)*1982-01-111983-07-18Canon Inc developing device
JPS6069669A (en)*1983-09-271985-04-20Ricoh Co LtdDeveloping device
US7950831B2 (en)2004-04-292011-05-31Lg Display Co., Ltd.Recessed LED lamp unit
US8152338B2 (en)2004-04-292012-04-10Lg Display Co., Ltd.LED lamp unit
JP2005332828A (en)*2004-05-072005-12-02Lumileds Lighting Us Llc Multicolor LED array with improved luminance profile and color uniformity
JP2008186758A (en)*2007-01-312008-08-14Royal Lighting Co Ltd LED lamp for bulb-type lighting

Also Published As

Publication numberPublication date
JPH0143306B2 (en)1989-09-20

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