IT952938B - Sistema di illuminazione proiezio ne a distanza e relativo apparato - Google Patents

Sistema di illuminazione proiezio ne a distanza e relativo apparato

Info

Publication number
IT952938B
IT952938B IT67738/72A IT6773872A IT952938B IT 952938 B IT952938 B IT 952938B IT 67738/72 A IT67738/72 A IT 67738/72A IT 6773872 A IT6773872 A IT 6773872A IT 952938 B IT952938 B IT 952938B
Authority
IT
Italy
Prior art keywords
lighting system
system remote
remote projection
relative apparatus
relative
Prior art date
Application number
IT67738/72A
Other languages
English (en)
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Application granted granted Critical
Publication of IT952938B publication Critical patent/IT952938B/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
    • G03B27/54—Lamp housings; Illuminating means
    • 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
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/14—Details
    • G03B27/16—Illumination arrangements, e.g. positioning of lamps, positioning of reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
IT67738/72A 1971-03-12 1972-03-09 Sistema di illuminazione proiezio ne a distanza e relativo apparato IT952938B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12350471A 1971-03-12 1971-03-12

Publications (1)

Publication Number Publication Date
IT952938B true IT952938B (it) 1973-07-30

Family

ID=22409064

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67738/72A IT952938B (it) 1971-03-12 1972-03-09 Sistema di illuminazione proiezio ne a distanza e relativo apparato

Country Status (4)

Country Link
US (1) US3702930A (it)
DE (1) DE2212438A1 (it)
GB (1) GB1383366A (it)
IT (1) IT952938B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190355A (en) * 1978-05-03 1980-02-26 Xerox Corporation Facetted reflector
DE3027719A1 (de) * 1980-07-22 1982-02-11 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Reflektor zur ausleuchtung einer flaeche
US4367946A (en) * 1981-01-29 1983-01-11 Eastman Kodak Company Light valve imaging apparatus having improved optical configuration
US4351019A (en) * 1981-06-29 1982-09-21 Xerox Corporation Facetted reflector
US7178947B2 (en) * 2004-06-04 2007-02-20 Dale Marks Lighting device with elliptical fresnel mirror
EP2533315B1 (en) * 2010-02-05 2022-01-05 Kabushiki Kaisha Toshiba Illumination device and image-reading device provided with illumination device
US10571405B2 (en) 2016-05-30 2020-02-25 Bobst Mex Sa Quality control station for a sheet element processing machine and illumination unit for the quality control station

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE533135A (it) *
US1679108A (en) * 1925-11-03 1928-07-31 American Woodlite Corp Condensing reflector
US1757527A (en) * 1925-12-04 1930-05-06 Messrs Louis Poulsen & Company Reflector for incandescent lamps
GB265177A (en) * 1926-01-27 1927-12-22 Zeiss Carl Improvements in reflectors for a point-like source of light
FR703009A (fr) * 1930-07-15 1931-04-22 Siemens Ag Réflecteur pour corps rayonnants linéaires
GB404540A (en) * 1932-06-16 1934-01-18 Joseph Wetzel Non dazzling projector of high efficiency
US2297124A (en) * 1940-03-29 1942-09-29 Rambusch Decorating Company Lighting fixture
US2673288A (en) * 1948-10-12 1954-03-23 Westinghouse Brake & Signal Reflector for the production of light beams
US3112893A (en) * 1961-08-11 1963-12-03 Corning Glass Works Reflector
US3283142A (en) * 1963-07-01 1966-11-01 Miller L Freeman Light reflectors
US3449561A (en) * 1967-07-03 1969-06-10 Textron Electronics Inc Aconic collector

Also Published As

Publication number Publication date
DE2212438A1 (de) 1972-09-28
GB1383366A (en) 1974-02-12
US3702930A (en) 1972-11-14

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