FR2346739A1 - PERFECTED TRANSPARENCY PROJECTOR, INTENDED FOR TEACHING REPRODUCTION - Google Patents

PERFECTED TRANSPARENCY PROJECTOR, INTENDED FOR TEACHING REPRODUCTION

Info

Publication number
FR2346739A1
FR2346739A1 FR7631668A FR7631668A FR2346739A1 FR 2346739 A1 FR2346739 A1 FR 2346739A1 FR 7631668 A FR7631668 A FR 7631668A FR 7631668 A FR7631668 A FR 7631668A FR 2346739 A1 FR2346739 A1 FR 2346739A1
Authority
FR
France
Prior art keywords
perfected
intended
transparency projector
teaching reproduction
teaching
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.)
Withdrawn
Application number
FR7631668A
Other languages
French (fr)
Inventor
Jose Manuel Alonso Astarloa
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.)
IBERASTRON SL
Original Assignee
IBERASTRON SL
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 IBERASTRON SL filed Critical IBERASTRON SL
Publication of FR2346739A1 publication Critical patent/FR2346739A1/en
Withdrawn legal-status Critical Current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
    • G03B27/326—Enlargers
    • 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Secondary Cells (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Pivots And Pivotal Connections (AREA)
FR7631668A 1975-10-21 1976-10-21 PERFECTED TRANSPARENCY PROJECTOR, INTENDED FOR TEACHING REPRODUCTION Withdrawn FR2346739A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1975215976U ES215976Y (en) 1975-10-21 1975-10-21 TRANSPARENCY PROJECTOR PERFECTED FOR IDENTIFICATION PRODUCTION.

Publications (1)

Publication Number Publication Date
FR2346739A1 true FR2346739A1 (en) 1977-10-28

Family

ID=8380022

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631668A Withdrawn FR2346739A1 (en) 1975-10-21 1976-10-21 PERFECTED TRANSPARENCY PROJECTOR, INTENDED FOR TEACHING REPRODUCTION

Country Status (5)

Country Link
JP (1) JPS5287031A (en)
DE (1) DE2647145A1 (en)
ES (1) ES215976Y (en)
FR (1) FR2346739A1 (en)
GB (1) GB1516749A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62113342U (en) * 1986-01-08 1987-07-18

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR828350A (en) * 1937-10-27 1938-05-16 Improvements in adjustment devices for cameras and the like such as magnifiers
FR918325A (en) * 1944-11-06 1947-02-05 Improvements to photographic enlargers
US2800833A (en) * 1954-09-01 1957-07-30 Charles Beseler Company Photographic enlarger apparatus
DE1176469B (en) * 1961-02-16 1964-08-20 Durst Ag Enlarger
FR2185960A5 (en) * 1972-05-19 1974-01-04 Berthold Fototype Gmbh
DE2320924A1 (en) * 1972-09-29 1974-04-04 Durst Ag ADJUSTMENT DEVICE FOR THE LENS OR PROJECTION HEAD OF A MAGNIFYING DEVICE

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR828350A (en) * 1937-10-27 1938-05-16 Improvements in adjustment devices for cameras and the like such as magnifiers
FR918325A (en) * 1944-11-06 1947-02-05 Improvements to photographic enlargers
US2800833A (en) * 1954-09-01 1957-07-30 Charles Beseler Company Photographic enlarger apparatus
DE1176469B (en) * 1961-02-16 1964-08-20 Durst Ag Enlarger
FR2185960A5 (en) * 1972-05-19 1974-01-04 Berthold Fototype Gmbh
DE2320924A1 (en) * 1972-09-29 1974-04-04 Durst Ag ADJUSTMENT DEVICE FOR THE LENS OR PROJECTION HEAD OF A MAGNIFYING DEVICE

Also Published As

Publication number Publication date
JPS5287031A (en) 1977-07-20
DE2647145A1 (en) 1977-04-28
ES215976U (en) 1976-09-16
GB1516749A (en) 1978-07-05
ES215976Y (en) 1977-02-01

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Legal Events

Date Code Title Description
ST Notification of lapse