EP0448214A3 - Developing device - Google Patents

Developing device Download PDF

Info

Publication number
EP0448214A3
EP0448214A3 EP19910301109 EP91301109A EP0448214A3 EP 0448214 A3 EP0448214 A3 EP 0448214A3 EP 19910301109 EP19910301109 EP 19910301109 EP 91301109 A EP91301109 A EP 91301109A EP 0448214 A3 EP0448214 A3 EP 0448214A3
Authority
EP
European Patent Office
Prior art keywords
developing device
developing
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
EP19910301109
Other versions
EP0448214B1 (en
EP0448214A2 (en
Inventor
Takashi C/O Intell. Property Div. Ishikawa
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.)
Toshiba Corp
Toshiba TEC Corp
Original Assignee
Toshiba Corp
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 by Toshiba Corp filed Critical Toshiba Corp
Publication of EP0448214A2 publication Critical patent/EP0448214A2/en
Publication of EP0448214A3 publication Critical patent/EP0448214A3/en
Application granted granted Critical
Publication of EP0448214B1 publication Critical patent/EP0448214B1/en
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
    • 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
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0875—Arrangements for supplying new developer cartridges having a box like shape
    • 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
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
    • 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
    • G03G15/0865—Arrangements for supplying new developer
EP91301109A 1990-03-20 1991-02-12 Developing device Expired - Lifetime EP0448214B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP28773/90U 1990-03-20
JP1990028773U JPH03119860U (en) 1990-03-20 1990-03-20

Publications (3)

Publication Number Publication Date
EP0448214A2 EP0448214A2 (en) 1991-09-25
EP0448214A3 true EP0448214A3 (en) 1992-07-08
EP0448214B1 EP0448214B1 (en) 1995-09-13

Family

ID=12257729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91301109A Expired - Lifetime EP0448214B1 (en) 1990-03-20 1991-02-12 Developing device

Country Status (5)

Country Link
EP (1) EP0448214B1 (en)
JP (1) JPH03119860U (en)
KR (1) KR940002427B1 (en)
CA (1) CA2036828C (en)
DE (1) DE69112878T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3284334B2 (en) * 1996-11-18 2002-05-20 京セラミタ株式会社 Shutter member and toner supply device using the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062385A (en) * 1975-03-14 1977-12-13 Eastman Kodak Company Toner handling apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2662869B2 (en) * 1987-12-28 1997-10-15 京セラ株式会社 Electrophotographic equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4062385A (en) * 1975-03-14 1977-12-13 Eastman Kodak Company Toner handling apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 448 (P-942)(3796) 9 October 1989 & JP-A-1 173 076 ( KYOCERA CORP. ) 7 July 1989 *

Also Published As

Publication number Publication date
EP0448214B1 (en) 1995-09-13
DE69112878D1 (en) 1995-10-19
CA2036828A1 (en) 1991-09-21
CA2036828C (en) 2000-05-09
DE69112878T2 (en) 1996-02-15
EP0448214A2 (en) 1991-09-25
KR910017245A (en) 1991-11-05
KR940002427B1 (en) 1994-03-24
JPH03119860U (en) 1991-12-10

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