FR2489006A1 - Agrandisseur photographique a lumiere ponctuelle perfectionne - Google Patents

Agrandisseur photographique a lumiere ponctuelle perfectionne Download PDF

Info

Publication number
FR2489006A1
FR2489006A1 FR8018548A FR8018548A FR2489006A1 FR 2489006 A1 FR2489006 A1 FR 2489006A1 FR 8018548 A FR8018548 A FR 8018548A FR 8018548 A FR8018548 A FR 8018548A FR 2489006 A1 FR2489006 A1 FR 2489006A1
Authority
FR
France
Prior art keywords
negative
image
optical
optical system
enlarger
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.)
Granted
Application number
FR8018548A
Other languages
English (en)
French (fr)
Other versions
FR2489006B1 (enExample
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8018548A priority Critical patent/FR2489006A1/fr
Priority to JP56502824A priority patent/JPS57501301A/ja
Priority to DE8181902379T priority patent/DE3173808D1/de
Priority to AT81902379T priority patent/ATE18100T1/de
Priority to EP19810902379 priority patent/EP0058186B1/fr
Priority to PCT/FR1981/000107 priority patent/WO1982000721A1/fr
Publication of FR2489006A1 publication Critical patent/FR2489006A1/fr
Application granted granted Critical
Publication of FR2489006B1 publication Critical patent/FR2489006B1/fr
Granted 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
    • G03B27/54—Lamp housings; Illuminating means
    • G03B27/545—Lamp housings; Illuminating means for enlargers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Lenses (AREA)
FR8018548A 1980-08-25 1980-08-25 Agrandisseur photographique a lumiere ponctuelle perfectionne Granted FR2489006A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8018548A FR2489006A1 (fr) 1980-08-25 1980-08-25 Agrandisseur photographique a lumiere ponctuelle perfectionne
JP56502824A JPS57501301A (enExample) 1980-08-25 1981-08-24
DE8181902379T DE3173808D1 (en) 1980-08-25 1981-08-24 Photographic enlarger with pinpoint light source
AT81902379T ATE18100T1 (de) 1980-08-25 1981-08-24 Photographischer vergroesserungsapparat mit punktfoermiger lichtquelle.
EP19810902379 EP0058186B1 (fr) 1980-08-25 1981-08-24 Agrandisseur photographique a source lumineuse ponctuelle
PCT/FR1981/000107 WO1982000721A1 (fr) 1980-08-25 1981-08-24 Agrandisseur photographique a source lumineuse ponctuelle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8018548A FR2489006A1 (fr) 1980-08-25 1980-08-25 Agrandisseur photographique a lumiere ponctuelle perfectionne

Publications (2)

Publication Number Publication Date
FR2489006A1 true FR2489006A1 (fr) 1982-02-26
FR2489006B1 FR2489006B1 (enExample) 1984-11-02

Family

ID=9245409

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018548A Granted FR2489006A1 (fr) 1980-08-25 1980-08-25 Agrandisseur photographique a lumiere ponctuelle perfectionne

Country Status (4)

Country Link
EP (1) EP0058186B1 (enExample)
JP (1) JPS57501301A (enExample)
FR (1) FR2489006A1 (enExample)
WO (1) WO1982000721A1 (enExample)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1630616A (en) * 1923-11-21 1927-05-31 Roger M Hill Optical system for projection apparatus
US2843010A (en) * 1956-03-26 1958-07-15 Micro Master Inc Point source light projector
GB830954A (en) * 1957-03-04 1960-03-23 Eastman Kodak Co Improvements in and relating to photographic projection printers
GB1142524A (en) * 1965-05-05 1969-02-12 Welch Scient Company Color source

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1630616A (en) * 1923-11-21 1927-05-31 Roger M Hill Optical system for projection apparatus
US2843010A (en) * 1956-03-26 1958-07-15 Micro Master Inc Point source light projector
GB830954A (en) * 1957-03-04 1960-03-23 Eastman Kodak Co Improvements in and relating to photographic projection printers
GB1142524A (en) * 1965-05-05 1969-02-12 Welch Scient Company Color source

Also Published As

Publication number Publication date
EP0058186B1 (fr) 1986-02-19
JPS57501301A (enExample) 1982-07-22
EP0058186A1 (fr) 1982-08-25
WO1982000721A1 (fr) 1982-03-04
FR2489006B1 (enExample) 1984-11-02

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Legal Events

Date Code Title Description
ST Notification of lapse