DE3425572C2 - - Google Patents

Info

Publication number: DE3425572C2
Authority: DE; Germany
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

Application number

DE3425572A

Other versions

DE3425572A1 (de

Inventor

Takeshi Tokio/Tokyo Jp Sanbayashi

Hideshi Kawasaki Jp Oushiden

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

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.)

1983-07-11

Filing date

1984-07-11

Publication date

1987-02-26

1984-07-11 Application filed by Toshiba Corp filed Critical Toshiba Corp

1985-01-31 Publication of DE3425572A1 publication Critical patent/DE3425572A1/de

1987-02-26 Application granted granted Critical

1987-02-26 Publication of DE3425572C2 publication Critical patent/DE3425572C2/de

Status Granted 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/041—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with variable magnification
- G03G15/0415—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with variable magnification and means for controlling illumination or exposure
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/041—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with variable magnification

DE19843425572 1983-07-11 1984-07-11 Bilderzeugungsgeraet Granted DE3425572A1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP58125945A JPS6017438A (ja)	1983-07-11	1983-07-11	露光制御装置

Publications (2)

Publication Number	Publication Date
DE3425572A1 DE3425572A1 (de)	1985-01-31
DE3425572C2 true DE3425572C2 (de)	1987-02-26

Family

ID=14922857

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19843425572 Granted DE3425572A1 (de)	1983-07-11	1984-07-11	Bilderzeugungsgeraet

Country Status (3)

Country	Link
US (1)	US4573787A (de)
JP (1)	JPS6017438A (de)
DE (1)	DE3425572A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3921640A1 (de) *	1988-06-30	1990-01-04	Toshiba Kawasaki Kk	Lichtmengenregelvorrichtung

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6123140A (ja) *	1984-07-12	1986-01-31	Fuji Xerox Co Ltd	露光ランプの制御装置
JPS61189579A (ja) *	1985-02-19	1986-08-23	Sharp Corp	複写機の露光調整装置
US4709250A (en) *	1985-02-19	1987-11-24	Canon Kabushiki Kaisha	Image forming apparatus
US4740810A (en) *	1985-07-09	1988-04-26	Minolta Camera Kabushiki Kaisha	Copying apparatus
US4819029A (en) *	1986-01-29	1989-04-04	Minolta Camera Kabushiki Kaisha	Copying machine capable of producing a copy with a filing margin
JPS63137224A (ja) *	1986-11-28	1988-06-09	Minolta Camera Co Ltd	自動露光装置
JPH0622838Y2 (ja) *	1986-12-16	1994-06-15	富士ゼロックス株式会社	複写機の光量制御装置
JPS6477069A (en) *	1987-05-09	1989-03-23	Ricoh Kk	Density control system for digital copying machine
JP2755604B2 (ja) *	1988-08-05	1998-05-20	株式会社東芝	露光制御装置
JP2673072B2 (ja) *	1991-12-17	1997-11-05	三田工業株式会社	画像形成装置
JPH0698094A (ja) *	1992-09-14	1994-04-08	Toshiba Corp	画像形成装置
US5596444A (en) *	1993-03-02	1997-01-21	Minolta Camera Kabushiki Kaisha	Optical apparatus having laser beam diameter variable according to image data
JP3410190B2 (ja) *	1993-12-29	2003-05-26	株式会社東芝	画像形成装置及び原稿読取り方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2039336A1 (de) *	1969-08-13	1971-02-25	Minolta Camera Kk	Vorrichtung zur Einstellung der Belichtungsmenge in einem Kopiergeraet
GB1436899A (en) *	1973-05-23	1976-05-26	Xerox Corp	Document copying apparatus
DE2857218C3 (de) *	1977-02-23	1989-08-10	Ricoh Kk	Verfahren zum Konstanthalten optimaler Bedingungen bei der elektrografischen Vervielfältigung
JPS5436725A (en) *	1977-08-26	1979-03-17	Ricoh Co Ltd	Zerographic copying method
JPS5619038A (en) *	1979-07-24	1981-02-23	Ricoh Co Ltd	Control system of copy density in copying machine having variable power function
US4354758A (en) *	1980-01-31	1982-10-19	Tokyo Shibaura Denki Kabushiki Kaisha	Exposure control device for a photocopier
GB2088572A (en) *	1980-12-02	1982-06-09	Gestetner Mfg Ltd	Variable speed scan drive
JPS57173859A (en) *	1981-04-20	1982-10-26	Canon Inc	Exposure quantity controller of color picture forming device
US4474460A (en) *	1981-07-16	1984-10-02	Fuji Xerox Company Limited	Microfilm copying machine
JPS5823023A (ja) *	1981-08-03	1983-02-10	Fuji Xerox Co Ltd	自動露光制御方法
JPS5824170A (ja) *	1981-08-05	1983-02-14	Fuji Xerox Co Ltd	複写機のランプ印加電圧設定方法
JPS5864798A (ja) *	1981-10-14	1983-04-18	富士ゼロックス株式会社	ランプ電圧制御装置

1983
- 1983-07-11 JP JP58125945A patent/JPS6017438A/ja active Pending
1984
- 1984-07-09 US US06/628,983 patent/US4573787A/en not_active Expired - Lifetime
- 1984-07-11 DE DE19843425572 patent/DE3425572A1/de active Granted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3921640A1 (de) *	1988-06-30	1990-01-04	Toshiba Kawasaki Kk	Lichtmengenregelvorrichtung

Also Published As

Publication number	Publication date
US4573787A (en)	1986-03-04
JPS6017438A (ja)	1985-01-29
DE3425572A1 (de)	1985-01-31

Legal Events

Date	Code	Title	Description
1985-01-31	OP8	Request for examination as to paragraph 44 patent law
1985-03-28	8128	New person/name/address of the agent	Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ
1987-02-26	D2	Grant after examination
1987-08-20	8364	No opposition during term of opposition
2000-09-07	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3425572C2 (de)	1987-02-26
CH669882GA3 (de)	1989-04-28
AT378328B (de)	1985-07-25
GR71414B (de)	1983-04-22
AU9008182A (de)	1983-04-14
AU1412583A (de)	1983-06-30
AU1299683A (de)	1983-05-30
BG44569A1 (de)	1989-01-16
BG45098A1 (de)	1989-04-14
BG44951A1 (de)	1989-03-15
BG44940A1 (de)	1989-03-15
BG44938A1 (de)	1989-03-15
BG44937A1 (de)	1989-03-15
BG44981A1 (de)	1989-03-15
BG44995A1 (de)	1989-03-15
BG45010A1 (de)	1989-03-15
BG35481A1 (de)	1984-05-15
BG45041A3 (de)	1989-03-15
BG45044A3 (de)	1989-03-15
BG45085A1 (de)	1989-04-14
BG41847A1 (de)	1987-09-15
BG43549A1 (de)	1988-07-15
BG44566A1 (de)	1989-01-16
BG44583A1 (de)	1989-01-16
BG44584A1 (de)	1989-01-16

DE3425572C2 - - Google Patents

Info

Links

Classifications

Applications Claiming Priority (1)

Publications (2)

Family

ID=14922857

Family Applications (1)

Country Status (3)

Cited By (1)

Families Citing this family (13)

Family Cites Families (12)

Cited By (1)

Also Published As

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Legal Events