DE68915084D1 - Bildaufzeichnungsgerät. - Google Patents

Bildaufzeichnungsgerät.

Info

Publication number: DE68915084D1
Authority: DE; Germany
Prior art keywords: image recorder; recorder; image
Prior art date: 1988-08-31
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 - Fee Related

Application number

DE68915084T

Other languages

English (en)

Other versions

DE68915084T2 (de

Inventor

Tatsuya Tada

Yasuyoshi Yamamoto

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.)

Canon Inc

Original Assignee

Canon Inc

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.)

1988-08-31

Filing date

1989-08-30

Publication date

1994-06-09

1989-08-30 Application filed by Canon Inc filed Critical Canon Inc

1994-06-09 Application granted granted Critical

1994-06-09 Publication of DE68915084D1 publication Critical patent/DE68915084D1/de

1994-09-01 Publication of DE68915084T2 publication Critical patent/DE68915084T2/de

2009-08-31 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- 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
- 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
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
- G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
- G03G15/0893—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers in a closed loop within the sump of the developing device

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Dry Development In Electrophotography (AREA)

DE68915084T 1988-08-31 1989-08-30 Bildaufzeichnungsgerät. Expired - Fee Related DE68915084T2 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP21480588		1988-08-31
JP21480488		1988-08-31
JP21480288		1988-08-31

Publications (2)

Publication Number	Publication Date
DE68915084D1 true DE68915084D1 (de)	1994-06-09
DE68915084T2 DE68915084T2 (de)	1994-09-01

Family

ID=27329669

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68915084T Expired - Fee Related DE68915084T2 (de)	1988-08-31	1989-08-30	Bildaufzeichnungsgerät.

Country Status (3)

Country	Link
US (1)	US4985823A (de)
EP (1)	EP0357387B1 (de)
DE (1)	DE68915084T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2974334B2 (ja) *	1989-08-31	1999-11-10	キヤノン株式会社	現像装置
JP3175776B2 (ja) *	1991-01-31	2001-06-11	ミノルタ株式会社	トナー補給方法
US5523533A (en) *	1993-05-28	1996-06-04	Canon Kabushiki Kaisha	Developing device which restricts carrier using developing agent regulating rotary member
JP3126567B2 (ja) *	1993-10-19	2001-01-22	富士通株式会社	現像装置
USRE38026E1 (en)	1993-11-29	2003-03-11	Canon Kabushiki Kaisha	Developing device having regulating rotary member for regulating toner amount
JP3149346B2 (ja) *	1995-11-15	2001-03-26	キヤノン株式会社	現像装置
JP3481424B2 (ja) *	1997-06-13	2003-12-22	シャープ株式会社	画像形成装置
US6931219B2 (en) *	2003-06-26	2005-08-16	Xerox Corporation	Led color specific optical toner concentration sensor
KR100788674B1 (ko) *	2005-11-17	2007-12-26	삼성전자주식회사	현상제 공급 제어방법 및 장치
US7881639B2 (en) *	2008-04-08	2011-02-01	Xerox Corporation	Developer units, electrophotographic apparatuses and methods of supplying developer material to photoconductive members

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3873002A (en) *	1973-04-16	1975-03-25	Xerox Corp	Toner dispenser logic control
JPS61147272A (ja) *	1984-12-21	1986-07-04	Ricoh Co Ltd	トナ−補給制御装置
JPS61215575A (ja) *	1985-03-20	1986-09-25	Toshiba Corp	トナ−濃度制御装置
JPS61215569A (ja) *	1985-03-20	1986-09-25	Toshiba Corp	トナ−濃度制御装置
US4772915A (en) *	1986-04-18	1988-09-20	Alps Electric Co., Ltd.	Electrophotographic printer having compact image development arrangement
JPS6364068A (ja) *	1986-09-05	1988-03-22	Ricoh Co Ltd	静電記録装置
JPS6414050A (en) *	1987-07-08	1989-01-18	Hitachi Ltd	Image recording apparatus and method

1989
- 1989-08-30 DE DE68915084T patent/DE68915084T2/de not_active Expired - Fee Related
- 1989-08-30 EP EP89308748A patent/EP0357387B1/de not_active Expired - Lifetime
- 1989-08-31 US US07/401,623 patent/US4985823A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0357387A3 (de)	1991-06-05
EP0357387A2 (de)	1990-03-07
US4985823A (en)	1991-01-15
DE68915084T2 (de)	1994-09-01
EP0357387B1 (de)	1994-05-04

Legal Events

Date	Code	Title	Description
1995-06-01	8364	No opposition during term of opposition
2008-06-12	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE68920781D1 (de)	1995-03-09	Bildaufzeichnungsgerät.
DE68915235D1 (de)	1994-06-16	Bildaufzeichnungsgerät.
DE68917791D1 (de)	1994-10-06	Bildaufzeichnungsvorrichtung.
DE68921819D1 (de)	1995-04-27	Bildaufzeichnungsgerät.
DE68919432D1 (de)	1995-01-05	Bildaufzeichnungsgerät.
DE68915932D1 (de)	1994-07-14	Aufzeichnungsgerät.
DE68923543D1 (de)	1995-08-24	Bildaufzeichnungsvorrichtung.
DE3887526D1 (de)	1994-03-10	Bildaufzeichnungssystem.
DE3779595D1 (de)	1992-07-09	Bildaufnahmevorrichtung.
DE69017739D1 (de)	1995-04-20	Videoaufzeichnungsgerät.
DE3750859D1 (de)	1995-01-26	Bildaufzeichnungsvorrichtung.
DE68909470D1 (de)	1993-11-04	Bildaufnahmegeraet.
DE68927250D1 (de)	1996-10-31	Bildaufzeichnungsgerät
DE68923484D1 (de)	1995-08-24	Bildaufzeichnungsgerät.
DE68918683D1 (de)	1994-11-10	Bildaufzeichnungsapparat.
DE3776369D1 (de)	1992-03-12	Bildaufnahmevorrichtung.
DE68913091D1 (de)	1994-03-24	Bildaufzeichnungsgerät.
DE3850594D1 (de)	1994-08-18	Bildaufzeichnungsgerät.
DE3885307D1 (de)	1993-12-02	Bildaufzeichnungsgerät.
DE68922076D1 (de)	1995-05-11	Aufzeichnungsgerät.
DE69018739D1 (de)	1995-05-24	Bildaufzeichnungsgerät.
DE68915906D1 (de)	1994-07-14	Bildaufzeichnungsgerät.
DE3786045D1 (de)	1993-07-08	Bildaufzeichnungsvorrichtung.
DE3778957D1 (de)	1992-06-17	Bildaufzeichnungsgeraet.
DE68911594D1 (de)	1994-02-03	Bildaufzeichnungsgerät.