DE630479C - Lighting device for epidiascopes - Google Patents

Lighting device for epidiascopes

Info

Publication number
DE630479C
DE630479C DEL86121D DEL0086121D DE630479C DE 630479 C DE630479 C DE 630479C DE L86121 D DEL86121 D DE L86121D DE L0086121 D DEL0086121 D DE L0086121D DE 630479 C DE630479 C DE 630479C
Authority
DE
Germany
Prior art keywords
epidiascopes
lighting device
light source
lens
epiprojection
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
DEL86121D
Other languages
German (de)
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.)
Liesegang Fa Ed
Original Assignee
Liesegang Fa Ed
Publication date
Priority to DEL86121D priority Critical patent/DE630479C/en
Application granted granted Critical
Publication of DE630479C publication Critical patent/DE630479C/en
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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Endoscopes (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (1)

Patentanspruch :Claim: Beleuchtungseinrichtung für Epidiaskope mit einer feststehenden Lichtquelle und einer dieser benachbarten beweglichen Kondensorlinse, welche in ihrer Stellung für die Diaprojektion ein paralleles Lichtbündel in Richtung der optischen Achse einer weiteren Kondensorlinse liefert und sich in die Stellung für die Epiprojektion durch eine Schwenkung bringen läßt, • welche die Linse der Lichtquelle nähert, dadurch gekennzeichnet, daß die Schwenkung dieser Linse (6) um eine oberhalb der Lichtquelle befindliche Achse erfolgt.Lighting device for epidiascopes with a fixed light source and one of these neighboring movable condenser lenses which, in their position for slide projection, produce a parallel light beam supplies in the direction of the optical axis of a further condenser lens and is in the position for the epiprojection can be brought by a swivel, • which approaches the lens of the light source, characterized in that the pivoting of this lens (6) by one above the light source located axis takes place.
DEL86121D Lighting device for epidiascopes Expired DE630479C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL86121D DE630479C (en) Lighting device for epidiascopes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL86121D DE630479C (en) Lighting device for epidiascopes

Publications (1)

Publication Number Publication Date
DE630479C true DE630479C (en) 1936-05-28

Family

ID=7286031

Family Applications (1)

Application Number Title Priority Date Filing Date
DEL86121D Expired DE630479C (en) Lighting device for epidiascopes

Country Status (1)

Country Link
DE (1) DE630479C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974125C (en) * 1950-10-31 1961-01-12 Microdoc Soc Projection apparatus, in particular micro-readers
DE3313686A1 (en) * 1983-04-15 1984-10-18 Minox Gmbh, 6300 Giessen Microfiche reader of flat design

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974125C (en) * 1950-10-31 1961-01-12 Microdoc Soc Projection apparatus, in particular micro-readers
DE3313686A1 (en) * 1983-04-15 1984-10-18 Minox Gmbh, 6300 Giessen Microfiche reader of flat design

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