FR2228237B1 - - Google Patents

Info

Publication number
FR2228237B1
FR2228237B1 FR7415501A FR7415501A FR2228237B1 FR 2228237 B1 FR2228237 B1 FR 2228237B1 FR 7415501 A FR7415501 A FR 7415501A FR 7415501 A FR7415501 A FR 7415501A FR 2228237 B1 FR2228237 B1 FR 2228237B1
Authority
FR
France
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.)
Expired
Application number
FR7415501A
Other versions
FR2228237A1 (fr
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2228237A1 publication Critical patent/FR2228237A1/fr
Application granted granted Critical
Publication of FR2228237B1 publication Critical patent/FR2228237B1/fr
Expired 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
    • G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Projection-Type Copiers In General (AREA)
FR7415501A 1973-05-04 1974-05-06 Expired FR2228237B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00357293A US3830591A (en) 1973-05-04 1973-05-04 Illumination apparatus

Publications (2)

Publication Number Publication Date
FR2228237A1 FR2228237A1 (fr) 1974-11-29
FR2228237B1 true FR2228237B1 (fr) 1977-10-21

Family

ID=23405028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415501A Expired FR2228237B1 (fr) 1973-05-04 1974-05-06

Country Status (5)

Country Link
US (1) US3830591A (fr)
JP (1) JPS5855492B2 (fr)
DE (1) DE2421852A1 (fr)
FR (1) FR2228237B1 (fr)
GB (1) GB1463540A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5455821U (fr) * 1977-09-27 1979-04-18
CA1127230A (fr) * 1978-11-09 1982-07-06 Benzion Landa Photocopieur electrophotographique a source de lumiere fixe
US4260249A (en) * 1979-09-17 1981-04-07 International Business Machines Two slit illumination aperture
JPS6046522A (ja) * 1983-08-25 1985-03-13 Masayasu Negishi 光制御装置
DK161170C (da) * 1986-05-02 1991-12-30 Eskofot As Apparat til opnaaelse af en oensket lysfordeling, fortrinsvis en i hovedsagen ensartet lysfordeling i billedplanet af et reproduktionskamera
US20050195727A1 (en) * 2004-03-03 2005-09-08 Seagate Technology Llc Optical detection of a light scattering target
WO2012149243A1 (fr) * 2011-04-29 2012-11-01 Siemens Healthcare Diagnostics Inc. Dispositif d'éclairage à haut degré de collimation du flux et procédé d'éclairage uniforme du champ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158362B (de) * 1961-06-28 1963-11-28 Leitz Ernst Gmbh Verfahren und Vorrichtung zur Belichtungsregelung fuer mikrophotographische Aufnahmen
US3312143A (en) * 1964-08-17 1967-04-04 Karow William Eugene Photographic method and system
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
US3669538A (en) * 1970-08-31 1972-06-13 Ibm Illumination system
US3746429A (en) * 1971-08-05 1973-07-17 Recognition Systems Linear variable light attenuator

Also Published As

Publication number Publication date
US3830591A (en) 1974-08-20
GB1463540A (en) 1977-02-02
DE2421852A1 (de) 1974-11-21
FR2228237A1 (fr) 1974-11-29
JPS5855492B2 (ja) 1983-12-09
JPS5016526A (fr) 1975-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse