GB1449322A - Magnetic brush development apparatus - Google Patents
Magnetic brush development apparatusInfo
- Publication number
- GB1449322A GB1449322A GB421174A GB421174A GB1449322A GB 1449322 A GB1449322 A GB 1449322A GB 421174 A GB421174 A GB 421174A GB 421174 A GB421174 A GB 421174A GB 1449322 A GB1449322 A GB 1449322A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic brush
- magnetic
- development apparatus
- brush development
- roller
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Abstract
1449322 Developing electrostatic latent images FUJI XEROX CO Ltd 29 Jan 1974 [5 April 1973] 04211/74 Heading G2H A magnetic brush developing apparatus comprises at least two developer-applying magnetic brush rollers, one comprising a rotatable sleeve 10 surrounding a fixed, magnetic core having a single direction of magnetic polarization, and the other roller, which in use receives developer from the first roller, having a rotatable sleeve 15 and a fixed core with multiple directions of magnetic polarization.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48038232A JPS49126337A (en) | 1973-04-05 | 1973-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1449322A true GB1449322A (en) | 1976-09-15 |
Family
ID=12519542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB421174A Expired GB1449322A (en) | 1973-04-05 | 1974-01-29 | Magnetic brush development apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US3908595A (en) |
JP (1) | JPS49126337A (en) |
DE (1) | DE2414980C3 (en) |
GB (1) | GB1449322A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108658A (en) * | 1974-03-11 | 1978-08-22 | Oce-Van Der Grinten N.V. | Process for developing electrostatic latent images |
JPS50145238A (en) * | 1974-05-13 | 1975-11-21 | ||
US3977361A (en) * | 1975-05-13 | 1976-08-31 | Fuji Xerox Co., Ltd. | Magnetic brush developing device |
US4266868A (en) * | 1979-07-16 | 1981-05-12 | Minnesota Mining And Manufacturing Company | Multiple roll developing apparatus |
US5630201A (en) * | 1995-03-10 | 1997-05-13 | Hitachi Koki Co., Ltd. | Development apparatus having a plurality of rolls rotated at particular speeds |
JP2013152391A (en) * | 2012-01-26 | 2013-08-08 | Fuji Xerox Co Ltd | Developing device and image forming apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3152924A (en) * | 1961-05-24 | 1964-10-13 | Robertson Photo Mechanix Inc | Xerographic brush |
US3133834A (en) * | 1961-06-22 | 1964-05-19 | Rca Corp | Electrostatic developing apparatus |
US3543720A (en) * | 1968-02-29 | 1970-12-01 | Eastman Kodak Co | Apparatus for development of electrostatic images |
US3640248A (en) * | 1969-06-04 | 1972-02-08 | Xerox Corp | Electrostatic magnetic developing apparatus |
US3724422A (en) * | 1970-12-14 | 1973-04-03 | Xerox Corp | Magnetic brush developing apparatus |
-
1973
- 1973-04-05 JP JP48038232A patent/JPS49126337A/ja active Pending
-
1974
- 1974-01-25 US US436713A patent/US3908595A/en not_active Expired - Lifetime
- 1974-01-29 GB GB421174A patent/GB1449322A/en not_active Expired
- 1974-03-28 DE DE2414980A patent/DE2414980C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2414980C3 (en) | 1980-03-06 |
DE2414980B2 (en) | 1979-05-10 |
US3908595A (en) | 1975-09-30 |
DE2414980A1 (en) | 1974-10-10 |
JPS49126337A (en) | 1974-12-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |