KR100283871B1 - 화상 형성 장치 - Google Patents
화상 형성 장치 Download PDFInfo
- Publication number
- KR100283871B1 KR100283871B1 KR1019980051389A KR19980051389A KR100283871B1 KR 100283871 B1 KR100283871 B1 KR 100283871B1 KR 1019980051389 A KR1019980051389 A KR 1019980051389A KR 19980051389 A KR19980051389 A KR 19980051389A KR 100283871 B1 KR100283871 B1 KR 100283871B1
- Authority
- KR
- South Korea
- Prior art keywords
- toner
- power supply
- developing roller
- forming apparatus
- thin film
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
- G03G15/0907—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with bias voltage
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5004—Power supply control, e.g. power-saving mode, automatic power turn-off
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Developing For Electrophotography (AREA)
Abstract
Description
Claims (4)
- 화상 형성 장치에 있어서,잠상 운반체(latent image carrier body),상기 잠상 운반체 상에 형성된 잠상에 토너를 공급하는 현상 롤러(developing roller),상기 현상 롤러를 접촉하면서 토너를 공급하는 토너 공급 롤러,상기 현상 롤러와 접촉하면서, 상기 현상 롤러 상의 토너 양과 토너 대전량을 억제하는 박막 형성 부재, 및전압 Vsr과 전류 Isr의 관계가 |Vsr|/a + |Isr|/b =1 (여기서, a 및 b는 전원 특성의 상수임)을 만족시키는 방법으로 상기 토너 공급 롤러 및 상기 박막 형성 부재에 바이어스를 공급하기 위한 전원 수단을 포함하는 화상 형성 장치.
- 제1항에 있어서, 상기 전원 수단은 정전압 Vb가 상기 현상 롤러에 인가될 때, 전원 특성의 상수 a가 a 〉 |Vb|인 조건을 만족시키고 상수 b가 b 〉 3인 조건을 만족시키는 전원을 공급하는 화상 형성 장치.
- 제1항 또는 2항에 있어서, 상기 전원 수단이 상기 전원 특성의 상수 a 및 b 중 적어도 하나를 조절할 수 있는 조절 수단을 포함하는 화상 형성 장치.
- 제3항에 있어서, 상기 전원 수단이 정전압 전원 및 상기 토너 공급 롤러 및 상기 박막 형성 부재와 상기 정전압 전원의 사이에 삽입된 가변 저항을 포함하고, 상기 조절 수단은 상기 가변 저항을 포함하는 화상 형성 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9328540A JP2978865B2 (ja) | 1997-11-28 | 1997-11-28 | 画像形成装置 |
JP97-328540 | 1997-11-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990045664A KR19990045664A (ko) | 1999-06-25 |
KR100283871B1 true KR100283871B1 (ko) | 2001-03-02 |
Family
ID=18211431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980051389A KR100283871B1 (ko) | 1997-11-28 | 1998-11-27 | 화상 형성 장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5953557A (ko) |
JP (1) | JP2978865B2 (ko) |
KR (1) | KR100283871B1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1112606C (zh) * | 1997-07-01 | 2003-06-25 | 钟渊化学工业株式会社 | 显影辊以及使用该辊的显影装置 |
JP4416280B2 (ja) * | 1999-06-24 | 2010-02-17 | キヤノン株式会社 | 現像剤剥取り部材および現像装置 |
US6804502B2 (en) | 2001-10-10 | 2004-10-12 | Peregrine Semiconductor Corporation | Switch circuit and method of switching radio frequency signals |
US6694111B1 (en) * | 2002-08-12 | 2004-02-17 | Kabushiki Kaisha Toshiba | Image forming apparatus, and developing device and method used in the same |
US7890891B2 (en) * | 2005-07-11 | 2011-02-15 | Peregrine Semiconductor Corporation | Method and apparatus improving gate oxide reliability by controlling accumulated charge |
US9653601B2 (en) | 2005-07-11 | 2017-05-16 | Peregrine Semiconductor Corporation | Method and apparatus for use in improving linearity of MOSFETs using an accumulated charge sink-harmonic wrinkle reduction |
US20080076371A1 (en) | 2005-07-11 | 2008-03-27 | Alexander Dribinsky | Circuit and method for controlling charge injection in radio frequency switches |
USRE48965E1 (en) | 2005-07-11 | 2022-03-08 | Psemi Corporation | Method and apparatus improving gate oxide reliability by controlling accumulated charge |
US7910993B2 (en) | 2005-07-11 | 2011-03-22 | Peregrine Semiconductor Corporation | Method and apparatus for use in improving linearity of MOSFET's using an accumulated charge sink |
US20150236748A1 (en) | 2013-03-14 | 2015-08-20 | Peregrine Semiconductor Corporation | Devices and Methods for Duplexer Loss Reduction |
US9831857B2 (en) | 2015-03-11 | 2017-11-28 | Peregrine Semiconductor Corporation | Power splitter with programmable output phase shift |
US10505530B2 (en) | 2018-03-28 | 2019-12-10 | Psemi Corporation | Positive logic switch with selectable DC blocking circuit |
US10886911B2 (en) | 2018-03-28 | 2021-01-05 | Psemi Corporation | Stacked FET switch bias ladders |
US10236872B1 (en) | 2018-03-28 | 2019-03-19 | Psemi Corporation | AC coupling modules for bias ladders |
US11476849B2 (en) | 2020-01-06 | 2022-10-18 | Psemi Corporation | High power positive logic switch |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5560967A (en) * | 1978-10-31 | 1980-05-08 | Sharp Corp | Electrophotographic apparatus |
JPH01136179A (ja) * | 1987-11-24 | 1989-05-29 | Konica Corp | 現像装置 |
JPH0434465A (ja) * | 1990-05-31 | 1992-02-05 | Toshiba Corp | 画像形成装置 |
JPH0457079A (ja) * | 1990-06-27 | 1992-02-24 | Minolta Camera Co Ltd | 現像装置 |
JPH06186830A (ja) * | 1992-12-16 | 1994-07-08 | Canon Inc | 現像装置 |
JPH06194944A (ja) * | 1992-12-25 | 1994-07-15 | Toshiba Corp | 現像装置 |
US5628043A (en) * | 1993-09-20 | 1997-05-06 | Fujitsu Limited | Image forming apparatus |
JPH0850420A (ja) * | 1994-08-08 | 1996-02-20 | Bridgestone Corp | 転写装置及び現像装置 |
JPH0850421A (ja) * | 1994-08-08 | 1996-02-20 | Bridgestone Corp | 転写装置及び現像装置 |
JPH08220875A (ja) * | 1995-02-20 | 1996-08-30 | Tec Corp | 現像装置 |
-
1997
- 1997-11-28 JP JP9328540A patent/JP2978865B2/ja not_active Expired - Fee Related
-
1998
- 1998-11-25 US US09/199,683 patent/US5953557A/en not_active Expired - Lifetime
- 1998-11-27 KR KR1019980051389A patent/KR100283871B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH11160995A (ja) | 1999-06-18 |
US5953557A (en) | 1999-09-14 |
JP2978865B2 (ja) | 1999-11-15 |
KR19990045664A (ko) | 1999-06-25 |
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