JPS55111954A - Method and apparatus for image formation - Google Patents

Method and apparatus for image formation

Info

Publication number
JPS55111954A
JPS55111954A JP1992079A JP1992079A JPS55111954A JP S55111954 A JPS55111954 A JP S55111954A JP 1992079 A JP1992079 A JP 1992079A JP 1992079 A JP1992079 A JP 1992079A JP S55111954 A JPS55111954 A JP S55111954A
Authority
JP
Japan
Prior art keywords
charged
control signal
high voltage
corona
detecting part
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
JP1992079A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0143304B2 (en, 2012
Inventor
Tsukasa Kuge
Yasuyuki Tamura
Koichi Tanigawa
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 JP1992079A priority Critical patent/JPS55111954A/ja
Publication of JPS55111954A publication Critical patent/JPS55111954A/ja
Publication of JPH0143304B2 publication Critical patent/JPH0143304B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Or Security For Electrophotography (AREA)
JP1992079A 1979-02-22 1979-02-22 Method and apparatus for image formation Granted JPS55111954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1992079A JPS55111954A (en) 1979-02-22 1979-02-22 Method and apparatus for image formation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1992079A JPS55111954A (en) 1979-02-22 1979-02-22 Method and apparatus for image formation

Publications (2)

Publication Number Publication Date
JPS55111954A true JPS55111954A (en) 1980-08-29
JPH0143304B2 JPH0143304B2 (en, 2012) 1989-09-20

Family

ID=12012650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1992079A Granted JPS55111954A (en) 1979-02-22 1979-02-22 Method and apparatus for image formation

Country Status (1)

Country Link
JP (1) JPS55111954A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012282A (en) * 1988-02-25 1991-04-30 Fujitsu Limited Brush contact type charging unit in an image forming apparatus
JP2009103973A (ja) * 2007-10-24 2009-05-14 Canon Inc 画像形成装置または、画像形成装置用の除電装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4854946A (en, 2012) * 1971-11-08 1973-08-02
JPS5276042A (en) * 1975-12-22 1977-06-25 Canon Inc Electronic photographic method
JPS52143833A (en) * 1976-05-26 1977-11-30 Canon Inc Method and device for charging by corona discharge
JPS537236A (en) * 1976-07-08 1978-01-23 Ricoh Co Ltd Cleaning time control for copying machine for electronic photography
JPS5337025A (en) * 1976-09-17 1978-04-05 Canon Inc Stabilizing method for electrostatic latent
JPS53112743A (en) * 1977-03-13 1978-10-02 Ricoh Co Ltd Stabilization system of picture quality of recording picture image in transfer type recorder using photosensitive transfer recording medium
JPS53141046A (en) * 1977-05-16 1978-12-08 Ricoh Co Ltd Ac corona generator for electrostatic electrophotographic copier
JPS545436A (en) * 1977-06-14 1979-01-16 Ricoh Co Ltd Idling command circuit of copying machines
JPS5414241A (en) * 1977-07-05 1979-02-02 Canon Inc Image formation device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4854946A (en, 2012) * 1971-11-08 1973-08-02
JPS5276042A (en) * 1975-12-22 1977-06-25 Canon Inc Electronic photographic method
JPS52143833A (en) * 1976-05-26 1977-11-30 Canon Inc Method and device for charging by corona discharge
JPS537236A (en) * 1976-07-08 1978-01-23 Ricoh Co Ltd Cleaning time control for copying machine for electronic photography
JPS5337025A (en) * 1976-09-17 1978-04-05 Canon Inc Stabilizing method for electrostatic latent
JPS53112743A (en) * 1977-03-13 1978-10-02 Ricoh Co Ltd Stabilization system of picture quality of recording picture image in transfer type recorder using photosensitive transfer recording medium
JPS53141046A (en) * 1977-05-16 1978-12-08 Ricoh Co Ltd Ac corona generator for electrostatic electrophotographic copier
JPS545436A (en) * 1977-06-14 1979-01-16 Ricoh Co Ltd Idling command circuit of copying machines
JPS5414241A (en) * 1977-07-05 1979-02-02 Canon Inc Image formation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012282A (en) * 1988-02-25 1991-04-30 Fujitsu Limited Brush contact type charging unit in an image forming apparatus
JP2009103973A (ja) * 2007-10-24 2009-05-14 Canon Inc 画像形成装置または、画像形成装置用の除電装置

Also Published As

Publication number Publication date
JPH0143304B2 (en, 2012) 1989-09-20

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