DE289833C - - Google Patents

Info

Publication number
DE289833C
DE289833C DENDAT289833D DE289833DA DE289833C DE 289833 C DE289833 C DE 289833C DE NDAT289833 D DENDAT289833 D DE NDAT289833D DE 289833D A DE289833D A DE 289833DA DE 289833 C DE289833 C DE 289833C
Authority
DE
Germany
Prior art keywords
lens system
axis
reflector
lamp
epidiascope
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.)
Active
Application number
DENDAT289833D
Other languages
German (de)
English (en)
Publication of DE289833C publication Critical patent/DE289833C/de
Active 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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microscoopes, Condenser (AREA)
DENDAT289833D Active DE289833C (el)

Publications (1)

Publication Number Publication Date
DE289833C true DE289833C (el)

Family

ID=544834

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT289833D Active DE289833C (el)

Country Status (1)

Country Link
DE (1) DE289833C (el)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446822A1 (de) * 1983-12-26 1985-07-11 Kabushiki Kaisha Gakushu Kenkyusha, Tokio/Tokyo Reflexions-overheadprojektor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446822A1 (de) * 1983-12-26 1985-07-11 Kabushiki Kaisha Gakushu Kenkyusha, Tokio/Tokyo Reflexions-overheadprojektor
US4636050A (en) * 1983-12-26 1987-01-13 Kabushiki Kaisha Gakushu Kenkyusha Reflection type overhead projector

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