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GB2045450B - Line-by-line photocopying - Google Patents

Line-by-line photocopying

Info

Publication number
GB2045450B
GB2045450B GB8007986A GB8007986A GB2045450B GB 2045450 B GB2045450 B GB 2045450B GB 8007986 A GB8007986 A GB 8007986A GB 8007986 A GB8007986 A GB 8007986A GB 2045450 B GB2045450 B GB 2045450B
Authority
GB
United Kingdom
Prior art keywords
line
photocopying
line photocopying
Prior art date
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
GB8007986A
Other versions
GB2045450A (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.)
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.)
Filing date
Publication date
Priority claimed from JP2733279A external-priority patent/JPS55120052A/en
Priority claimed from JP2733379A external-priority patent/JPS55120053A/en
Application filed by Canon Inc filed Critical Canon Inc
Publication of GB2045450A publication Critical patent/GB2045450A/en
Application granted granted Critical
Publication of GB2045450B publication Critical patent/GB2045450B/en
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
    • G03G15/22—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
    • 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
    • G03B27/527—Projection optics for slit exposure in which the projection optics move as a whole in a translatory movement

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Facsimile Scanning Arrangements (AREA)
GB8007986A 1979-03-09 1980-03-10 Line-by-line photocopying Expired GB2045450B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2733279A JPS55120052A (en) 1979-03-09 1979-03-09 Slit lighting device
JP2733379A JPS55120053A (en) 1979-03-09 1979-03-09 Slit lighting device

Publications (2)

Publication Number Publication Date
GB2045450A GB2045450A (en) 1980-10-29
GB2045450B true GB2045450B (en) 1983-02-23

Family

ID=26365252

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8007986A Expired GB2045450B (en) 1979-03-09 1980-03-10 Line-by-line photocopying

Country Status (3)

Country Link
DE (1) DE3008653A1 (en)
FR (1) FR2451055B1 (en)
GB (1) GB2045450B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0049146B2 (en) * 1980-09-29 1988-06-08 Xerox Corporation Illumination arrangement for elimination of gray borders in a copying device
IT1200694B (en) * 1985-07-29 1989-01-27 Minnesota Mining & Mfg READING DEVICE FOR STIMULABLE PHOSPHORUS PANEL
JPH02120869A (en) * 1988-10-31 1990-05-08 Toshiba Corp Image forming device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1122231A (en) * 1964-08-18 1968-07-31 Caps Res Ltd Improvements in document-copying apparatus
US3584952A (en) * 1967-11-17 1971-06-15 Xerox Corp Lens strip optical scanning system
GB1275094A (en) * 1968-08-22 1972-05-24 Nippon Selfoc Co Ltd Optical device for transmitting an image
JPS5123724A (en) * 1974-08-06 1976-02-25 Ricoh Kk Fukushakitoniokeru suritsutoshomeisochi
DE2634241A1 (en) * 1975-10-06 1977-04-14 Ibm HIGHLY EFFECTIVE LIGHTING SYSTEM
US4092066A (en) * 1976-08-19 1978-05-30 Minolta Camera Kabushiki Kaisha Projection device for use in copying machine
JPS6015052B2 (en) * 1977-10-12 1985-04-17 キヤノン株式会社 slit lighting device
JPS54133348A (en) * 1978-04-07 1979-10-17 Canon Inc Slit lighting device
JPH05314044A (en) * 1992-01-31 1993-11-26 Nec Corp Console message answer inputting method in distributed system

Also Published As

Publication number Publication date
GB2045450A (en) 1980-10-29
FR2451055A1 (en) 1980-10-03
DE3008653A1 (en) 1980-09-11
FR2451055B1 (en) 1985-07-26

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20000309