JPS5511256A - Corona discharger-charger - Google Patents

Corona discharger-charger

Info

Publication number
JPS5511256A
JPS5511256A JP8469278A JP8469278A JPS5511256A JP S5511256 A JPS5511256 A JP S5511256A JP 8469278 A JP8469278 A JP 8469278A JP 8469278 A JP8469278 A JP 8469278A JP S5511256 A JPS5511256 A JP S5511256A
Authority
JP
Japan
Prior art keywords
transformer
comparator
supplied
tertiary winding
circuit
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
JP8469278A
Other languages
Japanese (ja)
Other versions
JPS5720628B2 (en
Inventor
Hiroyuki Kawataki
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.)
YAHATA DENKI SEISAKUSHO KK
Original Assignee
YAHATA DENKI SEISAKUSHO KK
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 YAHATA DENKI SEISAKUSHO KK filed Critical YAHATA DENKI SEISAKUSHO KK
Priority to JP8469278A priority Critical patent/JPS5511256A/en
Publication of JPS5511256A publication Critical patent/JPS5511256A/en
Publication of JPS5720628B2 publication Critical patent/JPS5720628B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To make possible automatic adjustment of charging condition with a low voltage circuit without using any DC high current source by controlling the magnitude of the current flowing in the tertiary winding of a transformer and controling the degree of saturation per half cycle of AC with a control circuit.
CONSTITUTION: One end of the secondary winding 13 of an output transformer 11 is connected to a corona discharge electrode 16 and the other end to a chargeable rotary photoreceptor 14 through a DC component detecting circuit 15. The tertiary winding 26 is coupled to a control circuit which controls the degree of saturation of the transformer 11. The DC component detected by the detecting circuit 15 provided to the secondary side of a transformer 11 is supplied to one input of the comparator 34 and the reference potential for setting the positive and negative unbalance quantities of the current flowing in the tertiary winding 26 of the transformer is supplied to the other input of the comparator from a variable reference power source 36. The output of the comparator 34 is supplied to the base of a transistor T3. Thereby charging condition may be automatically adjusted by the low voltage circuit.
COPYRIGHT: (C)1980,JPO&Japio
JP8469278A 1978-07-11 1978-07-11 Corona discharger-charger Granted JPS5511256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8469278A JPS5511256A (en) 1978-07-11 1978-07-11 Corona discharger-charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8469278A JPS5511256A (en) 1978-07-11 1978-07-11 Corona discharger-charger

Publications (2)

Publication Number Publication Date
JPS5511256A true JPS5511256A (en) 1980-01-26
JPS5720628B2 JPS5720628B2 (en) 1982-04-30

Family

ID=13837710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8469278A Granted JPS5511256A (en) 1978-07-11 1978-07-11 Corona discharger-charger

Country Status (1)

Country Link
JP (1) JPS5511256A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154261A (en) * 1981-03-18 1982-09-24 Ricoh Co Ltd Controlling method for electrostatic charging
JPS57201262A (en) * 1981-06-04 1982-12-09 Canon Inc Ac corona generating circuit
JPS6142548U (en) * 1984-08-21 1986-03-19 横河電機株式会社 Electrostatic transfer recording device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154261A (en) * 1981-03-18 1982-09-24 Ricoh Co Ltd Controlling method for electrostatic charging
JPS57201262A (en) * 1981-06-04 1982-12-09 Canon Inc Ac corona generating circuit
JPS6142548U (en) * 1984-08-21 1986-03-19 横河電機株式会社 Electrostatic transfer recording device

Also Published As

Publication number Publication date
JPS5720628B2 (en) 1982-04-30

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