IT981509B - Sistema di illuminazione perfe zionato per copiatrici - Google Patents

Sistema di illuminazione perfe zionato per copiatrici

Info

Publication number
IT981509B
IT981509B IT21887/73A IT2188773A IT981509B IT 981509 B IT981509 B IT 981509B IT 21887/73 A IT21887/73 A IT 21887/73A IT 2188773 A IT2188773 A IT 2188773A IT 981509 B IT981509 B IT 981509B
Authority
IT
Italy
Prior art keywords
copiers
lighting system
perfected
perfected lighting
lighting
Prior art date
Application number
IT21887/73A
Other languages
English (en)
Italian (it)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT981509B publication Critical patent/IT981509B/it

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
IT21887/73A 1972-06-19 1973-03-21 Sistema di illuminazione perfe zionato per copiatrici IT981509B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26409372A 1972-06-19 1972-06-19

Publications (1)

Publication Number Publication Date
IT981509B true IT981509B (it) 1974-10-10

Family

ID=23004542

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21887/73A IT981509B (it) 1972-06-19 1973-03-21 Sistema di illuminazione perfe zionato per copiatrici

Country Status (7)

Country Link
US (1) US3758774A (de)
JP (1) JPS5341976B2 (de)
CA (1) CA996083A (de)
DE (1) DE2324890C2 (de)
FR (1) FR2190284A5 (de)
GB (1) GB1405058A (de)
IT (1) IT981509B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123724A (en) * 1974-08-06 1976-02-25 Ricoh Kk Fukushakitoniokeru suritsutoshomeisochi
DE2910280C2 (de) * 1978-03-18 1993-10-28 Canon Kk Optische Abbildungssysteme
US4345834A (en) * 1978-11-02 1982-08-24 Mita Industrial Company Limited Transfer type electrostatic copying apparatus
CA1127230A (en) * 1978-11-09 1982-07-06 Benzion Landa Stationary light source electrophotographic copier
US4330196A (en) * 1979-02-22 1982-05-18 Matsushita Electric Industrial Co., Ltd. Electrophotographic copying apparatus
US4459618A (en) * 1979-09-12 1984-07-10 The Mead Corporation Line source illuminator
US4473865A (en) * 1979-11-09 1984-09-25 Savin Corporation Stationary light source electrophotographic copier
US5010366A (en) * 1989-06-15 1991-04-23 Eastman Kodak Company Slide transparency projector apparatus for use with an electrophotographic reproduction machine
US5287147A (en) * 1991-01-25 1994-02-15 Canon Kabushiki Kaisha Original scanning apparatus with fixed light source
US5255116A (en) * 1991-02-18 1993-10-19 Canon Kabushiki Kaisha Original scanning apparatus
US5179413A (en) * 1992-02-05 1993-01-12 Eastman Kodak Company System for illuminating a linear zone which reduces the effect of light retroflected from outside the zone on the illumination
US5812246A (en) * 1995-03-02 1998-09-22 Agfa-Gevaert N.V. Photographic contact printing device
US6385371B1 (en) * 2000-04-03 2002-05-07 Cogent Light Technologies, Inc. Optical system including coupling for transmitting light between a single fiber light guide and multiple single fiber light guides
JP2007290233A (ja) * 2006-04-25 2007-11-08 Ushio Inc 光照射器およびインクジェットプリンタ
JP4898725B2 (ja) * 2008-03-07 2012-03-21 日本特殊陶業株式会社 水素分離装置
US9857056B2 (en) * 2012-03-08 2018-01-02 Triplet Music Products Inc. Uniform lighting system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252246A (en) * 1941-08-12 Optical system
US247589A (en) * 1881-09-27 Reflector
CA575449A (en) * 1959-05-05 International Business Machines Corporation Optical unit for use in a record controlled machine
CH95999A (de) * 1921-05-14 1922-09-01 Frei Karl Vorrichtung zum Durchleuchten von photographischen Negativen.
DE431813C (de) * 1924-05-28 1926-07-21 Oskar Valdemar Rasmussen Beleuchtungsvorrichtung fuer photographische Wiedergabekameras
US2206169A (en) * 1937-09-30 1940-07-02 Zeiss Carl Fa Light modulating system
US3520586A (en) * 1966-06-20 1970-07-14 Ampex Entrant beam optical scanner
US3492474A (en) * 1966-12-02 1970-01-27 Koito Mfg Co Ltd Reflector with compound curvature reflecting surface
DE1278219B (de) * 1967-04-28 1968-09-19 Zindler Lumoprint Kg Auflicht-Belichtungsvorrichtung
US3594081A (en) * 1968-11-04 1971-07-20 Werner Tschink Adjustable illuminating device
US3694070A (en) * 1970-08-24 1972-09-26 Ibm Copying system featuring scanning illumination elements

Also Published As

Publication number Publication date
DE2324890A1 (de) 1974-01-17
GB1405058A (en) 1975-09-03
DE2324890C2 (de) 1982-05-06
FR2190284A5 (de) 1974-01-25
JPS4953052A (de) 1974-05-23
JPS5341976B2 (de) 1978-11-08
CA996083A (en) 1976-08-31
US3758774A (en) 1973-09-11

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