JPS63144645U - - Google Patents

Info

Publication number
JPS63144645U
JPS63144645U JP3710887U JP3710887U JPS63144645U JP S63144645 U JPS63144645 U JP S63144645U JP 3710887 U JP3710887 U JP 3710887U JP 3710887 U JP3710887 U JP 3710887U JP S63144645 U JPS63144645 U JP S63144645U
Authority
JP
Japan
Prior art keywords
voltage
developing bias
dividing circuit
bias voltage
outputs
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
JP3710887U
Other languages
Japanese (ja)
Other versions
JPH0725801Y2 (en
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 filed Critical
Priority to JP1987037108U priority Critical patent/JPH0725801Y2/en
Publication of JPS63144645U publication Critical patent/JPS63144645U/ja
Application granted granted Critical
Publication of JPH0725801Y2 publication Critical patent/JPH0725801Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す説明図。第２
図は第１図の実施例の具体例を示す説明図。第３
図は従来の現像バイアス電圧発生装置を示す説明
図。 符号の説明、１……直流電圧発生回路、２……
交流電源、３……帯電器、３ａ……放電電極、３
ｂ……スクリーン・グリツド電極、４……現像機
、５……分圧回路。 FIG. 1 is an explanatory diagram showing an embodiment of the present invention. Second
The figure is an explanatory diagram showing a specific example of the embodiment of FIG. 1. Third
The figure is an explanatory diagram showing a conventional developing bias voltage generator. Explanation of symbols, 1...DC voltage generation circuit, 2...
AC power supply, 3... Charger, 3a... Discharge electrode, 3
b...Screen/grid electrode, 4...Developer, 5...Voltage dividing circuit.

Claims (1)

【実用新案登録請求の範囲】 (1) 現像バイアス手段に所定の直流電圧を出力
する現像バイアス電圧発生装置において、 感光体を帯電する帯電器のスクリーン・グリツ
ド電極の直流電圧を分圧する分圧回路を有し、前
記分圧回路の分圧値を現像バイアス電圧として出
力することを特徴とする現像バイアス電圧発生装
置。 (2) 前記分圧回路は定電圧発生用バリスタ、可
変抵抗、および固定抵抗によつて構成され、前記
可変抵抗の調整によつて前記分圧値を出力する実
用新案登録請求の範囲第１項記載の現像バイアス
電圧発生装置。[Claims for Utility Model Registration] (1) In a developing bias voltage generator that outputs a predetermined DC voltage to a developing bias means, a voltage dividing circuit that divides the DC voltage of a screen/grid electrode of a charger that charges a photoreceptor. A developing bias voltage generating device comprising: a developing bias voltage generating device, which outputs a divided voltage value of the voltage dividing circuit as a developing bias voltage. (2) The voltage dividing circuit is constituted by a constant voltage generating varistor, a variable resistor, and a fixed resistor, and the divided voltage value is output by adjusting the variable resistor.Claim 1 of the Utility Model Registration Claims The developing bias voltage generator described above.
JP1987037108U 1987-03-13 1987-03-13 Development bias voltage generator Expired - Lifetime JPH0725801Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987037108U JPH0725801Y2 (en) 1987-03-13 1987-03-13 Development bias voltage generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987037108U JPH0725801Y2 (en) 1987-03-13 1987-03-13 Development bias voltage generator

Publications (2)

Publication Number Publication Date
JPS63144645U true JPS63144645U (en) 1988-09-22
JPH0725801Y2 JPH0725801Y2 (en) 1995-06-07

Family

ID=30848138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987037108U Expired - Lifetime JPH0725801Y2 (en) 1987-03-13 1987-03-13 Development bias voltage generator

Country Status (1)

Country Link
JP (1) JPH0725801Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012118254A (en) * 2010-11-30 2012-06-21 Brother Ind Ltd Image forming apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246839U (en) * 1975-09-30 1977-04-02
JPS6127147U (en) * 1984-07-24 1986-02-18 沖電気工業株式会社 electrophotographic equipment
JPS61130952U (en) * 1985-02-01 1986-08-15

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5246839U (en) * 1975-09-30 1977-04-02
JPS6127147U (en) * 1984-07-24 1986-02-18 沖電気工業株式会社 electrophotographic equipment
JPS61130952U (en) * 1985-02-01 1986-08-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012118254A (en) * 2010-11-30 2012-06-21 Brother Ind Ltd Image forming apparatus

Also Published As

Publication number Publication date
JPH0725801Y2 (en) 1995-06-07

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