IT1030636B - Perfezionamenti relativi alle copiatrici - Google Patents

Perfezionamenti relativi alle copiatrici

Info

Publication number
IT1030636B
IT1030636B IT28001/74A IT2800174A IT1030636B IT 1030636 B IT1030636 B IT 1030636B IT 28001/74 A IT28001/74 A IT 28001/74A IT 2800174 A IT2800174 A IT 2800174A IT 1030636 B IT1030636 B IT 1030636B
Authority
IT
Italy
Prior art keywords
copiers
improvements relating
relating
Prior art date
Application number
IT28001/74A
Other languages
English (en)
Original Assignee
Gestetner Copiers 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.)
Filing date
Publication date
Application filed by Gestetner Copiers Ltd filed Critical Gestetner Copiers Ltd
Application granted granted Critical
Publication of IT1030636B publication Critical patent/IT1030636B/it

Links

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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Systems Of Projection Type Copiers (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
IT28001/74A 1973-10-02 1974-10-02 Perfezionamenti relativi alle copiatrici IT1030636B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4601173A GB1438137A (en) 1973-10-02 1973-10-02 Copying machines

Publications (1)

Publication Number Publication Date
IT1030636B true IT1030636B (it) 1979-04-10

Family

ID=10439479

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28001/74A IT1030636B (it) 1973-10-02 1974-10-02 Perfezionamenti relativi alle copiatrici

Country Status (9)

Country Link
US (1) US3997260A (it)
JP (1) JPS5074434A (it)
CA (1) CA1035409A (it)
DE (1) DE2446736C3 (it)
ES (1) ES430626A1 (it)
FR (1) FR2246901B1 (it)
GB (1) GB1438137A (it)
IT (1) IT1030636B (it)
NL (1) NL7413000A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31499E (en) 1976-11-01 1984-01-17 Xerox Corporation Illumination system utilizing two opposing DC lamps with an optimum barrel-shaped slit
CA1126800A (en) * 1978-11-09 1982-06-29 Benzion Landa Rotatable focusing means for variable magnification electrophotographic copier
US4293184A (en) * 1978-12-28 1981-10-06 Canon Kabushiki Kaisha Scanning projection device
US4232960A (en) * 1979-02-21 1980-11-11 Xerox Corporation Scanning system
US4259004A (en) * 1979-06-13 1981-03-31 Canon Kabushiki Kaisha Scanning device with optical path length compensator
JPS57163226A (en) * 1981-03-31 1982-10-07 Konishiroku Photo Ind Co Ltd Character printing method for photographic film
US4678320A (en) * 1985-06-06 1987-07-07 Sharp Kabushiki Kaisha Copying machine
DE3629725A1 (de) * 1986-09-01 1988-03-03 Poehler Microfilm App Map Optische abtasteinrichtung sowie mikrofilmlese- und -rueckvergroesserungsgeraet mit einer solchen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4416775Y1 (it) * 1967-11-20 1969-07-19
JPS5322444B1 (it) * 1971-03-09 1978-07-08

Also Published As

Publication number Publication date
ES430626A1 (es) 1976-10-16
AU7379074A (en) 1976-04-01
NL7413000A (nl) 1975-04-04
DE2446736B2 (de) 1977-12-01
GB1438137A (en) 1976-06-03
DE2446736C3 (de) 1978-08-03
DE2446736A1 (de) 1975-04-10
CA1035409A (en) 1978-07-25
JPS5074434A (it) 1975-06-19
US3997260A (en) 1976-12-14
USB509474I5 (it) 1976-02-17
FR2246901B1 (it) 1978-11-24
FR2246901A1 (it) 1975-05-02

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