USB509474I5 - - Google Patents

Info

Publication number
USB509474I5
USB509474I5 US50947474A USB509474I5 US B509474 I5 USB509474 I5 US B509474I5 US 50947474 A US50947474 A US 50947474A US B509474 I5 USB509474 I5 US B509474I5
Authority
US
United States
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.)
Pending
Application number
Other languages
English (en)
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 filed Critical
Publication of USB509474I5 publication Critical patent/USB509474I5/en
Application granted granted Critical
Publication of US3997260A publication Critical patent/US3997260A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
US05/509,474 1973-10-02 1974-09-26 Improvements in or relating to scanning lens systems for electrostatic copying machines Expired - Lifetime US3997260A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4601173A GB1438137A (en) 1973-10-02 1973-10-02 Copying machines
UK46011/73 1973-10-02

Publications (2)

Publication Number Publication Date
USB509474I5 true USB509474I5 (enrdf_load_stackoverflow) 1976-02-17
US3997260A US3997260A (en) 1976-12-14

Family

ID=10439479

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/509,474 Expired - Lifetime US3997260A (en) 1973-10-02 1974-09-26 Improvements in or relating to scanning lens systems for electrostatic copying machines

Country Status (9)

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

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 (enrdf_load_stackoverflow) * 1967-11-20 1969-07-19
JPS5322444B1 (enrdf_load_stackoverflow) * 1971-03-09 1978-07-08

Also Published As

Publication number Publication date
DE2446736B2 (de) 1977-12-01
DE2446736A1 (de) 1975-04-10
FR2246901B1 (enrdf_load_stackoverflow) 1978-11-24
FR2246901A1 (enrdf_load_stackoverflow) 1975-05-02
GB1438137A (en) 1976-06-03
ES430626A1 (es) 1976-10-16
NL7413000A (nl) 1975-04-04
IT1030636B (it) 1979-04-10
JPS5074434A (enrdf_load_stackoverflow) 1975-06-19
DE2446736C3 (de) 1978-08-03
CA1035409A (en) 1978-07-25
US3997260A (en) 1976-12-14
AU7379074A (en) 1976-04-01

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