GB1585779A - Illumination system for a photographic enlarging or printing apparatus - Google Patents

Illumination system for a photographic enlarging or printing apparatus Download PDF

Info

Publication number
GB1585779A
GB1585779A GB35257/77A GB3525777A GB1585779A GB 1585779 A GB1585779 A GB 1585779A GB 35257/77 A GB35257/77 A GB 35257/77A GB 3525777 A GB3525777 A GB 3525777A GB 1585779 A GB1585779 A GB 1585779A
Authority
GB
United Kingdom
Prior art keywords
light
illuminating system
sections
shaft
mixing shaft
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.)
Expired
Application number
GB35257/77A
Other languages
English (en)
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.)
Durst Group AG
Original Assignee
Durst AG Fabrik Fototechnischer Apparate
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 Durst AG Fabrik Fototechnischer Apparate filed Critical Durst AG Fabrik Fototechnischer Apparate
Publication of GB1585779A publication Critical patent/GB1585779A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B27/00Photographic printing apparatus
    • G03B27/32Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52Details
    • G03B27/54Lamp housings; Illuminating means
    • G03B27/545Lamp housings; Illuminating means for enlargers
    • G03B27/547Lamp housings; Illuminating means for enlargers colour mixing heads

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Projection Apparatus (AREA)
GB35257/77A 1976-08-24 1977-08-23 Illumination system for a photographic enlarging or printing apparatus Expired GB1585779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT04846/76A IT1070517B (it) 1976-08-24 1976-08-24 Dispositivo d'illuminazione conmezzi per la mescelazione della luce sopratutto per apparecchi per l ingrandimento fotografico

Publications (1)

Publication Number Publication Date
GB1585779A true GB1585779A (en) 1981-03-11

Family

ID=11114903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35257/77A Expired GB1585779A (en) 1976-08-24 1977-08-23 Illumination system for a photographic enlarging or printing apparatus

Country Status (5)

Country Link
US (1) US4131362A (enExample)
DE (1) DE2728547C2 (enExample)
FR (1) FR2363130A1 (enExample)
GB (1) GB1585779A (enExample)
IT (1) IT1070517B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1072361B (it) * 1977-02-17 1985-04-10 Durst Fabbrica Macchine Ed App Dispositivo di illuminazione per apparecchi per l'ingrandimento fotografico a colori
US4274131A (en) * 1979-06-14 1981-06-16 Vivitar Corporation Light diffusing means for a photographic enlarger
US4240738A (en) * 1979-06-14 1980-12-23 Vivitar Corporation Light mixing system for a photographic enlarger
EP0033595A1 (en) * 1980-02-05 1981-08-12 James Railton Denner Camera

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1097211A (en) * 1913-07-09 1914-05-19 Schmidt & Haensch Franz Illuminating apparatus for photographic cameras.
FR803014A (fr) * 1936-03-09 1936-09-21 Boîte à lumière pour l'agrandissement photographique
US2294580A (en) * 1939-11-25 1942-09-01 Folmer Graflex Corp Lamp house for photographic printers
US2530843A (en) * 1948-01-03 1950-11-21 Eugene F Hartley Photographic enlarger
NL280310A (enExample) * 1962-06-28
DE1447459A1 (de) * 1964-11-24 1968-12-19 Agfa Gevaert Ag Beleuchtungssystem fuer fotografisches Farbkopiergeraet
US3561867A (en) * 1968-12-20 1971-02-09 Berkey Photo Inc Illuminating system for photographic printers and enlargers
DE1947006A1 (de) * 1969-09-17 1971-03-25 Agfa Gevaert Ag Lichtquelle fuer Kopier- und Vergroesserungsgeraete
DE2163688C3 (de) * 1971-12-22 1981-02-19 Agfa-Gevaert Ag, 5090 Leverkusen Vorrichtung zur Belichtungsregelung in einem fotografischen Kopiergerät

Also Published As

Publication number Publication date
DE2728547C2 (de) 1986-10-16
DE2728547A1 (de) 1978-03-02
IT1070517B (it) 1985-03-29
FR2363130A1 (fr) 1978-03-24
US4131362A (en) 1978-12-26
FR2363130B1 (enExample) 1982-12-03

Similar Documents

Publication Publication Date Title
US3684371A (en) Light head with interchangeable mixing chambers for high speed enlarger
GB1484707A (en) Lighting assemblies
GB1384334A (en) Illumination system for colour enlargers and the like
GB1591479A (en) Illumination device for colour copying apparatus
GB1585779A (en) Illumination system for a photographic enlarging or printing apparatus
US4274131A (en) Light diffusing means for a photographic enlarger
US3132810A (en) Photographic illumination device
US3183815A (en) Illumination device
US3458254A (en) Colour printing apparatus
GB1596846A (en) Copying apparatus
GB2107888A (en) Back-lighted copyboard having light attenuator
US4466735A (en) Half tone screen exposure apparatus
US5617184A (en) Apparatus for turning a negative film carrier
US1675783A (en) Photograph-enlarging light box
US4537500A (en) Photographic contrast control device
JPS5855492B2 (ja) マイクロフイルマ−
US5500713A (en) Color printer for printing photographs
GB2017946A (en) Removable light box
EP0252159A1 (en) Flash lighting device
US3740135A (en) Color enlarging apparatus
JPS5737342A (en) Variable magnification copying machine
PL141865B1 (en) Filter head for a photographic enlarger
KR0169521B1 (ko) 사진인화장치
US4825253A (en) Flash illumination apparatus
US20030147129A1 (en) Device for enlarging and exposure of digital exposure data on light-sensitive photo paper

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950823