DE69622829T2 - Ladegerät und elektrofotografisches Gerät - Google Patents
Ladegerät und elektrofotografisches GerätInfo
- Publication number
- DE69622829T2 DE69622829T2 DE69622829T DE69622829T DE69622829T2 DE 69622829 T2 DE69622829 T2 DE 69622829T2 DE 69622829 T DE69622829 T DE 69622829T DE 69622829 T DE69622829 T DE 69622829T DE 69622829 T2 DE69622829 T2 DE 69622829T2
- Authority
- DE
- Germany
- Prior art keywords
- charger
- electrophotographic device
- electrophotographic
- 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.)
- Expired - Lifetime
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
- G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
- G03G15/0208—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus
- G03G15/0241—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices by contact, friction or induction, e.g. liquid charging apparatus by bringing charging powder particles into contact with the member to be charged, e.g. by means of a magnetic brush
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/02—Arrangements for laying down a uniform charge
- G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction
- G03G2215/022—Arrangements for laying down a uniform charge by contact, friction or induction using a magnetic brush
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34754195 | 1995-12-18 | ||
JP34753995 | 1995-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69622829D1 DE69622829D1 (de) | 2002-09-12 |
DE69622829T2 true DE69622829T2 (de) | 2003-04-10 |
Family
ID=26578529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69622829T Expired - Lifetime DE69622829T2 (de) | 1995-12-18 | 1996-12-17 | Ladegerät und elektrofotografisches Gerät |
Country Status (3)
Country | Link |
---|---|
US (1) | US5724632A (de) |
EP (1) | EP0780735B1 (de) |
DE (1) | DE69622829T2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3634547B2 (ja) * | 1996-04-04 | 2005-03-30 | キヤノン株式会社 | 画像形成装置 |
EP0844536B1 (de) * | 1996-11-26 | 2004-05-06 | Canon Kabushiki Kaisha | Bilderzeugungsverfahren |
JPH10186841A (ja) * | 1996-12-24 | 1998-07-14 | Canon Inc | 画像形成装置 |
US6233419B1 (en) * | 1997-09-11 | 2001-05-15 | Canon Kabushiki Kaisha | Charging device and image forming apparatus |
US6366751B1 (en) * | 1999-09-17 | 2002-04-02 | Ricoh Company, Ltd. | Image forming apparatus including preselected range between charge injection layer and voltage potential |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4174903A (en) * | 1978-04-03 | 1979-11-20 | Xerox Corporation | Combined processing station for use in an electrophotographic printing machine |
JPS6157958A (ja) * | 1984-08-29 | 1986-03-25 | Fuji Xerox Co Ltd | 電子写真方法 |
JPS63149669A (ja) * | 1986-12-15 | 1988-06-22 | Canon Inc | 接触帯電方法 |
US5307122A (en) * | 1989-07-28 | 1994-04-26 | Canon Kabushiki Kaisha | Image forming apparatus apparatus unit facsimile apparatus and developer comprising hydrophobic silica fine powder for developing electrostatic images |
EP0474220B1 (de) * | 1990-09-07 | 1998-11-25 | Konica Corporation | Aufladevorrichtung |
US5532101A (en) * | 1992-06-15 | 1996-07-02 | Canon Kabushiki Kaisha | Image forming method |
EP0593245A1 (de) * | 1992-10-15 | 1994-04-20 | Konica Corporation | Bilderzeugungsgerät mit Magnetbürsten-Bildträgeraufladevorrichtung |
US5357323A (en) * | 1992-10-26 | 1994-10-18 | Konica Corporation | Magnetic brush charging device |
EP0598483A1 (de) * | 1992-11-16 | 1994-05-25 | Konica Corporation | Bilderzeugungsgerät mit Bildträgeraufladegerät unter Verwendung einer magnetische Bürste |
JP3402727B2 (ja) * | 1993-03-01 | 2003-05-06 | キヤノン株式会社 | 帯電装置、プロセスカートリッジ及び画像形成装置 |
JP3067064B2 (ja) * | 1993-03-23 | 2000-07-17 | 京セラ株式会社 | 接触帯電用粒子、物体表面の帯電方法、感光体の帯電方法および画像形成装置 |
JP3416820B2 (ja) * | 1993-03-25 | 2003-06-16 | コニカ株式会社 | 画像形成装置 |
JPH06314016A (ja) * | 1993-04-28 | 1994-11-08 | Konica Corp | 帯電装置 |
US5596394A (en) * | 1993-05-20 | 1997-01-21 | Kyocera Corporation | Charging apparatus for charging a photo-sensitive member by magnetically holding magnetic particles in a charging zone |
JP3093594B2 (ja) * | 1993-12-20 | 2000-10-03 | キヤノン株式会社 | 帯電装置及び電子写真装置 |
DE4400353A1 (de) * | 1994-01-08 | 1995-07-13 | Philips Patentverwaltung | Steuerbarer thermionischer Elektronenemitter |
US5592264A (en) * | 1994-02-23 | 1997-01-07 | Konica Corporation | Magnetic brush type charging device |
US5579095A (en) * | 1994-06-22 | 1996-11-26 | Canon Kabushiki Kaisha | Charging device |
-
1996
- 1996-12-17 DE DE69622829T patent/DE69622829T2/de not_active Expired - Lifetime
- 1996-12-17 US US08/767,802 patent/US5724632A/en not_active Expired - Lifetime
- 1996-12-17 EP EP96309182A patent/EP0780735B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69622829D1 (de) | 2002-09-12 |
US5724632A (en) | 1998-03-03 |
EP0780735B1 (de) | 2002-08-07 |
EP0780735A1 (de) | 1997-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |