AU501615B2 - Electrophotographic copier-printer apparatus - Google Patents

Electrophotographic copier-printer apparatus

Info

Publication number: AU501615B2
Authority: AU; Australia
Prior art keywords: printer apparatus; electrophotographic copier; copier; electrophotographic; printer
Prior art date: 1976-11-09
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

AU19441/76A

Other versions

AU1944176A (en

Inventor

C. E. Steury. T. D. & Woodward J. M Branham

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.)

International Business Machines Corp

Original Assignee

International Business Machines 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.)

1976-11-09

Filing date

1976-11-09

Publication date

1979-06-28

1976-11-09 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1976-11-09 Priority to AU19441/76A priority Critical patent/AU501615B2/en

1978-05-18 Publication of AU1944176A publication Critical patent/AU1944176A/en

1979-06-28 Application granted granted Critical

1979-06-28 Publication of AU501615B2 publication Critical patent/AU501615B2/en

Status Expired 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
- G03G15/045—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 means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
- G03G15/047—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 means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas
- 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
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
- G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
- G03G15/04072—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by laser
- 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
- G03G15/221—Machines other than electrographic copiers, e.g. electrophotographic cameras, electrostatic typewriters
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/38—Circuits or arrangements for blanking or otherwise eliminating unwanted parts of pictures
- 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
- G03G15/043—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 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
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0448—Charge-erasing means for the non-image area

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Optics & Photonics (AREA)

AU19441/76A 1976-11-09 1976-11-09 Electrophotographic copier-printer apparatus Expired AU501615B2 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AU19441/76A AU501615B2 (en)	1976-11-09	1976-11-09	Electrophotographic copier-printer apparatus

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
AU19441/76A AU501615B2 (en)	1976-11-09	1976-11-09	Electrophotographic copier-printer apparatus

Publications (2)

Publication Number	Publication Date
AU1944176A AU1944176A (en)	1978-05-18
AU501615B2 true AU501615B2 (en)	1979-06-28

Family

ID=3708938

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU19441/76A Expired AU501615B2 (en)	1976-11-09	1976-11-09	Electrophotographic copier-printer apparatus

Country Status (1)

Country	Link
AU (1)	AU501615B2 (en)

1976
- 1976-11-09 AU AU19441/76A patent/AU501615B2/en not_active Expired

Also Published As

Publication number	Publication date
AU1944176A (en)	1978-05-18

Publication	Publication Date	Title
AU504743B2 (en)	1979-10-25	Electrographic development
AU497229B2 (en)	1978-12-07	Copying apparatus
AU510915B2 (en)	1980-07-17	Electrophotography
AU513485B2 (en)	1980-12-04	Electrophotographic apparatus
JPS5294143A (en)	1977-08-08	Copying apparatus
AU509113B2 (en)	1980-04-17	Rom-intializing apparatus
JPS5288346A (en)	1977-07-23	Copying apparatus
GB1543100A (en)	1979-03-28	Electrostatic copying apparatus
JPS52152233A (en)	1977-12-17	Electrostatic copying apparatus
AU511319B2 (en)	1980-08-14	Copying process
AU504083B2 (en)	1979-10-04	Electrophotographic apparatus
JPS52100242A (en)	1977-08-23	Copying apparatus
JPS5296031A (en)	1977-08-12	Copying apparatus
AU512392B2 (en)	1980-10-09	Developing apparatus
JPS52133221A (en)	1977-11-08	Copying apparatus
GB1544876A (en)	1979-04-25	Copying apparatus
AU503251B2 (en)	1979-08-30	Winding apparatus
SU644888A1 (en)	1979-01-30	Fabric-impregnating apparatus
SU592407A1 (en)	1978-02-15	Fodder-preparing apparatus
AU509151B2 (en)	1980-04-24	Rendering apparatus
SU625023A1 (en)	1978-09-25	Casing-cementing apparatus
SU649490A1 (en)	1979-02-28	Tube-working apparatus
SU629966A1 (en)	1978-10-30	Material-crushing apparatus
SU615981A1 (en)	1978-07-25	Pressure-determining apparatus
SU601191A1 (en)	1978-04-05	Article-indexing apparatus