DE3781258D1 - Magnetbuerstenentwicklungsgeraet mit einem durchlass- und messmechanismus. - Google Patents

Magnetbuerstenentwicklungsgeraet mit einem durchlass- und messmechanismus.

Info

Publication number
DE3781258D1
DE3781258D1 DE8787118689T DE3781258T DE3781258D1 DE 3781258 D1 DE3781258 D1 DE 3781258D1 DE 8787118689 T DE8787118689 T DE 8787118689T DE 3781258 T DE3781258 T DE 3781258T DE 3781258 D1 DE3781258 D1 DE 3781258D1
Authority
DE
Germany
Prior art keywords
transmission
magnetic brush
measuring mechanism
development device
brush development
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
Application number
DE8787118689T
Other languages
English (en)
Other versions
DE3781258T2 (de
Inventor
Frank C O Eastman Ko Hacknauer
Salvatore Castrenze Ea Defazio
Richard Samuel C O Eastman Fox
Kenneth D C O Eastman K Adkins
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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
Priority claimed from US06/944,895 external-priority patent/US4690096A/en
Priority claimed from US07/070,275 external-priority patent/US4748471A/en
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE3781258D1 publication Critical patent/DE3781258D1/de
Publication of DE3781258T2 publication Critical patent/DE3781258T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • 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)
DE19873781258 1986-12-22 1987-12-16 Magnetbuerstenentwicklungsgeraet mit einem durchlass- und messmechanismus. Expired - Lifetime DE3781258T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/944,895 US4690096A (en) 1986-12-22 1986-12-22 Magnetic brush development apparatus having a gating and metering mechanism
US07/070,275 US4748471A (en) 1987-07-06 1987-07-06 Development apparatus having means for rapidly shutting off the flow of developer to a magnetic brush

Publications (2)

Publication Number Publication Date
DE3781258D1 true DE3781258D1 (de) 1992-09-24
DE3781258T2 DE3781258T2 (de) 1993-03-25

Family

ID=26750980

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873781258 Expired - Lifetime DE3781258T2 (de) 1986-12-22 1987-12-16 Magnetbuerstenentwicklungsgeraet mit einem durchlass- und messmechanismus.

Country Status (3)

Country Link
EP (1) EP0272611B1 (de)
JP (1) JPH0614227B2 (de)
DE (1) DE3781258T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914481A (en) * 1987-07-09 1990-04-03 Sharp Kabushiki Kaisha Developing apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020751B2 (ja) * 1977-04-25 1985-05-23 株式会社リコー 磁気ブラシ現像装置
JPS5555370A (en) * 1978-10-20 1980-04-23 Ricoh Co Ltd Magnetic brush developing unit
US4324483A (en) * 1979-08-21 1982-04-13 Ricoh Company, Ltd. Magnetic brush development apparatus
JPS5811766U (ja) * 1981-07-15 1983-01-25 株式会社日立製作所 現像装置
JPS60136777A (ja) * 1983-12-26 1985-07-20 Ricoh Co Ltd 複写装置の現像装置
US4887132A (en) * 1984-04-06 1989-12-12 Eastman Kodak Company Electrographic development apparatus having a ribbon blender
US4671207A (en) * 1985-12-11 1987-06-09 Eastman Kodak Company Magnetic brush development apparatus
US4716437A (en) * 1986-11-19 1987-12-29 Eastman Kodak Company Development station having apertured thin film for controlling the flow of developer material

Also Published As

Publication number Publication date
EP0272611A3 (en) 1989-06-14
JPS63167388A (ja) 1988-07-11
EP0272611A2 (de) 1988-06-29
DE3781258T2 (de) 1993-03-25
EP0272611B1 (de) 1992-08-19
JPH0614227B2 (ja) 1994-02-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEXPRESS SOLUTIONS LLC, ROCHESTER, N.Y., US

8328 Change in the person/name/address of the agent

Free format text: FEY, H., DIPL.-PHYS., PAT.-ANW., 69115 HEIDELBERG

8327 Change in the person/name/address of the patent owner

Owner name: EASTMAN KODAK CO., ROCHESTER, N.Y., US

8328 Change in the person/name/address of the agent

Representative=s name: LAUERWALD, J., DIPL.-PHYS., PAT.-ANW., 24214 GETTO