IT1275348B - Apparecchio di formazione di immagini per rivelare otticamente la quantita' di un agente di sviluppo - Google Patents

Apparecchio di formazione di immagini per rivelare otticamente la quantita' di un agente di sviluppo

Info

Publication number
IT1275348B
IT1275348B ITRM940776A ITRM940776A IT1275348B IT 1275348 B IT1275348 B IT 1275348B IT RM940776 A ITRM940776 A IT RM940776A IT RM940776 A ITRM940776 A IT RM940776A IT 1275348 B IT1275348 B IT 1275348B
Authority
IT
Italy
Prior art keywords
image formation
formation apparatus
development agent
reveal
optically
Prior art date
Application number
ITRM940776A
Other languages
English (en)
Inventor
Koji Takahashi
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Publication of ITRM940776A0 publication Critical patent/ITRM940776A0/it
Publication of ITRM940776A1 publication Critical patent/ITRM940776A1/it
Application granted granted Critical
Publication of IT1275348B publication Critical patent/IT1275348B/it

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
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • 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
    • G03G15/0856—Detection or control means for the developer level
    • 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
    • G03G15/0856—Detection or control means for the developer level
    • G03G15/0862—Detection or control means for the developer level the level being measured by optical means
    • 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
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00367—The feeding path segment where particular handling of the copy medium occurs, segments being adjacent and non-overlapping. Each segment is identified by the most downstream point in the segment, so that for instance the segment labelled "Fixing device" is referring to the path between the "Transfer device" and the "Fixing device"
    • G03G2215/00405—Registration device
    • 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
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0802—Arrangements for agitating or circulating developer material
    • G03G2215/085—Stirring member in developer container
    • G03G2215/0852—Stirring member in developer container reciprocating
    • 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
    • G03G2215/08—Details of powder developing device not concerning the development directly
    • G03G2215/0888—Arrangements for detecting toner level or concentration in the developing device
    • G03G2215/0891—Optical detection
    • G03G2215/0894—Optical detection through a light transmissive window in the developer container wall
    • G03G2215/0897—Cleaning of the light transmissive window
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/18—Cartridge systems
    • G03G2221/183—Process cartridge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Control Or Security For Electrophotography (AREA)
ITRM940776A 1993-11-25 1994-11-25 Apparecchio di formazione di immagini per rivelare otticamente la quantita' di un agente di sviluppo IT1275348B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5317550A JP2966266B2 (ja) 1993-11-25 1993-11-25 現像剤有無検知装置

Publications (3)

Publication Number Publication Date
ITRM940776A0 ITRM940776A0 (it) 1994-11-25
ITRM940776A1 ITRM940776A1 (it) 1996-05-25
IT1275348B true IT1275348B (it) 1997-08-05

Family

ID=18089511

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM940776A IT1275348B (it) 1993-11-25 1994-11-25 Apparecchio di formazione di immagini per rivelare otticamente la quantita' di un agente di sviluppo

Country Status (6)

Country Link
US (1) US5521684A (it)
EP (1) EP0655661B1 (it)
JP (1) JP2966266B2 (it)
DE (1) DE69431388T2 (it)
FR (1) FR2712996B1 (it)
IT (1) IT1275348B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5682574A (en) * 1994-01-28 1997-10-28 Canon Kabushiki Kaisha Developing apparatus having reciprocating cleaning device for photodetector
KR980010598A (ko) * 1996-07-31 1998-04-30 김광호 화상형성시스템에서 현상기의 유무 및 현상제의 잔량을 검출하는 장치 및 방법
KR200145744Y1 (ko) * 1996-09-10 1999-06-15 윤종용 현상기 내부의 토너량 유.무 감지장치
JP4378221B2 (ja) * 2003-10-08 2009-12-02 キヤノン株式会社 プロセスカートリッジ及び電子写真画像形成装置
JP4709044B2 (ja) * 2006-03-27 2011-06-22 キヤノン株式会社 シート給送装置及び画像形成装置
JP6706130B2 (ja) * 2016-04-15 2020-06-03 シャープ株式会社 粉体検知装置及び現像装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS632087A (ja) * 1986-06-23 1988-01-07 Toshiba Corp 現像装置
JPH02210479A (ja) * 1989-02-10 1990-08-21 Minolta Camera Co Ltd 画像形成装置
JP2606920B2 (ja) * 1989-04-26 1997-05-07 キヤノン株式会社 画像形成装置
JPH05197281A (ja) * 1992-01-21 1993-08-06 Minolta Camera Co Ltd 画像形成装置
US5428427A (en) * 1992-12-14 1995-06-27 Samsung Electronics Co., Ltd. Device for detecting toner used in an electrophotography machine

Also Published As

Publication number Publication date
DE69431388T2 (de) 2003-06-05
ITRM940776A1 (it) 1996-05-25
FR2712996A1 (fr) 1995-06-02
FR2712996B1 (fr) 1998-05-29
US5521684A (en) 1996-05-28
JP2966266B2 (ja) 1999-10-25
ITRM940776A0 (it) 1994-11-25
JPH07146611A (ja) 1995-06-06
EP0655661A3 (en) 1996-12-04
DE69431388D1 (de) 2002-10-24
EP0655661A2 (en) 1995-05-31
EP0655661B1 (en) 2002-09-18

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971016