GB2034906B - Electrostatic copying apparatus - Google Patents

Electrostatic copying apparatus

Info

Publication number: GB2034906B
Authority: GB; United Kingdom
Prior art keywords: copying apparatus; electrostatic copying; electrostatic; copying
Prior art date: 1978-11-20
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

GB7937372A

Other versions

GB2034906A (en

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.)

Ricoh Co Ltd

Original Assignee

Ricoh Co Ltd

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.)

1978-11-20

Filing date

1979-10-29

Publication date

1983-02-09

1979-10-29 Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd

1980-06-11 Publication of GB2034906A publication Critical patent/GB2034906A/en

1983-02-09 Application granted granted Critical

1983-02-09 Publication of GB2034906B publication Critical patent/GB2034906B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/522—Projection optics
- G03B27/525—Projection optics for slit exposure
- G03B27/526—Projection optics for slit exposure in which the projection optics move
- 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/28—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning
- G03G15/30—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which projection is obtained by line scanning in which projection is formed on a drum

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Control Or Security For Electrophotography (AREA)
Exposure Or Original Feeding In Electrophotography (AREA)
Measuring Volume Flow (AREA)

GB7937372A 1978-11-20 1979-10-29 Electrostatic copying apparatus Expired GB2034906B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP14235278A JPS5569017A (en)	1978-11-20	1978-11-20	Calculation system for dam flow

Publications (2)

Publication Number	Publication Date
GB2034906A GB2034906A (en)	1980-06-11
GB2034906B true GB2034906B (en)	1983-02-09

Family

ID=15313366

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7937372A Expired GB2034906B (en)	1978-11-20	1979-10-29	Electrostatic copying apparatus

Country Status (2)

Country	Link
JP (1)	JPS5569017A (en)
GB (1)	GB2034906B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59100429A (en) *	1982-11-30	1984-06-09	Mita Ind Co Ltd	Driving device for moving body for exposure
JPS59180331A (en) *	1983-03-30	1984-10-13	Meidensha Electric Mfg Co Ltd	Flow rate measuring device

1978
- 1978-11-20 JP JP14235278A patent/JPS5569017A/en active Pending
1979
- 1979-10-29 GB GB7937372A patent/GB2034906B/en not_active Expired

Also Published As

Publication number	Publication date
GB2034906A (en)	1980-06-11
JPS5569017A (en)	1980-05-24

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Legal Events

Date	Code	Title	Description
1997-06-18	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19961029