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JPS6424264A - Conductive brush electrifying device - Google Patents

Conductive brush electrifying device

Info

Publication number
JPS6424264A
JPS6424264A JP18136087A JP18136087A JPS6424264A JP S6424264 A JPS6424264 A JP S6424264A JP 18136087 A JP18136087 A JP 18136087A JP 18136087 A JP18136087 A JP 18136087A JP S6424264 A JPS6424264 A JP S6424264A
Authority
JP
Japan
Prior art keywords
conductive fiber
resistance value
current
decided
flows
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
JP18136087A
Other languages
Japanese (ja)
Other versions
JP2595976B2 (en
Inventor
Masahiro Wano
Kunihiko Sato
Masatoshi Kimura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP62181360A priority Critical patent/JP2595976B2/en
Publication of JPS6424264A publication Critical patent/JPS6424264A/en
Application granted granted Critical
Publication of JP2595976B2 publication Critical patent/JP2595976B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)

Abstract

PURPOSE:To perform stable electrification, by setting a current that flows on a conductive fiber decided by the resistance value of the conductive fiber and an impression voltage on a conductive brush electrifying device less than a limiting current by which the conductive fiber is burned. CONSTITUTION:The resistance value Rb or the impression voltage Va are decided so that a current value I that flows on the conductive fiber 3a decided by the resistance value Rb of the conductive fiber 3a and the impression voltage Va from a high voltage source 4 to the conductive fiber 3a can be set less than the limiting current by which the conductive fiber 3a is burned. Therefore, since the current I that flows on the fiber 3a is limited by the resistance value Rb of the conductive fiber 3a itself even when the conductive fiber is brought into contact with a photosensitive substrate 11, burning due to short-circuiting is prevent from being generated. in such a way, it is possible to prevent a photosensitive material from being damaged, thereby, stable recording can be performed.
JP62181360A 1987-07-21 1987-07-21 Conductive brush charging device Expired - Fee Related JP2595976B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62181360A JP2595976B2 (en) 1987-07-21 1987-07-21 Conductive brush charging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62181360A JP2595976B2 (en) 1987-07-21 1987-07-21 Conductive brush charging device

Publications (2)

Publication Number Publication Date
JPS6424264A true JPS6424264A (en) 1989-01-26
JP2595976B2 JP2595976B2 (en) 1997-04-02

Family

ID=16099361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62181360A Expired - Fee Related JP2595976B2 (en) 1987-07-21 1987-07-21 Conductive brush charging device

Country Status (1)

Country Link
JP (1) JP2595976B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243788A (en) * 1989-09-11 1993-09-14 Gebr. Hofmann Gmbh & Co., Kg Maschinenfabrik Grinding wheel balancing method and apparatus
US5313359A (en) * 1991-05-30 1994-05-17 Sharp Kabushiki Kaisha Excessive current preventing device for the contact charging of a photosensitive layer
US5366912A (en) * 1988-09-21 1994-11-22 Fuji Xerox Co., Ltd. Fabrication method of thin-film transistor
US5625858A (en) * 1995-01-18 1997-04-29 Canon Kabushiki Kaisha Contact charging member, process for producing same and electrophotographic apparatus using same
US6560419B2 (en) 2000-05-30 2003-05-06 Ricoh Company, Ltd. Charging device for applying AC voltage of a frequency to charged body and image forming apparatus including such a device
US6703094B2 (en) 2000-11-08 2004-03-09 Canon Kasei Kabushiki Kaisha Charging member, process cartridge and electrophotographic apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6157954A (en) * 1984-08-29 1986-03-25 Fuji Xerox Co Ltd Brush electrifier
JPS62207178A (en) * 1986-03-07 1987-09-11 Seiko Epson Corp Electrophotographic printer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6157954A (en) * 1984-08-29 1986-03-25 Fuji Xerox Co Ltd Brush electrifier
JPS62207178A (en) * 1986-03-07 1987-09-11 Seiko Epson Corp Electrophotographic printer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5366912A (en) * 1988-09-21 1994-11-22 Fuji Xerox Co., Ltd. Fabrication method of thin-film transistor
US5243788A (en) * 1989-09-11 1993-09-14 Gebr. Hofmann Gmbh & Co., Kg Maschinenfabrik Grinding wheel balancing method and apparatus
US5313359A (en) * 1991-05-30 1994-05-17 Sharp Kabushiki Kaisha Excessive current preventing device for the contact charging of a photosensitive layer
US5625858A (en) * 1995-01-18 1997-04-29 Canon Kabushiki Kaisha Contact charging member, process for producing same and electrophotographic apparatus using same
US6560419B2 (en) 2000-05-30 2003-05-06 Ricoh Company, Ltd. Charging device for applying AC voltage of a frequency to charged body and image forming apparatus including such a device
US6703094B2 (en) 2000-11-08 2004-03-09 Canon Kasei Kabushiki Kaisha Charging member, process cartridge and electrophotographic apparatus

Also Published As

Publication number Publication date
JP2595976B2 (en) 1997-04-02

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Legal Events

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