CH481396A - Projection system - Google Patents

Projection system

Info

Publication number
CH481396A
CH481396A CH1447168A CH1447168A CH481396A CH 481396 A CH481396 A CH 481396A CH 1447168 A CH1447168 A CH 1447168A CH 1447168 A CH1447168 A CH 1447168A CH 481396 A CH481396 A CH 481396A
Authority
CH
Switzerland
Prior art keywords
projection system
projection
Prior art date
Application number
CH1447168A
Other languages
German (de)
Inventor
Welf Edmund
Original Assignee
Welf Edmund
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 Welf Edmund filed Critical Welf Edmund
Priority to CH1447168A priority Critical patent/CH481396A/en
Priority to DE19691948829 priority patent/DE1948829A1/en
Publication of CH481396A publication Critical patent/CH481396A/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B27/00—Planetaria; Globes
    • G09B27/02—Tellurions; Orreries
    • 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
    • G03B21/001—Slide projectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Instructional Devices (AREA)
CH1447168A 1968-09-27 1968-09-27 Projection system CH481396A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH1447168A CH481396A (en) 1968-09-27 1968-09-27 Projection system
DE19691948829 DE1948829A1 (en) 1968-09-27 1969-09-26 Projection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1447168A CH481396A (en) 1968-09-27 1968-09-27 Projection system

Publications (1)

Publication Number Publication Date
CH481396A true CH481396A (en) 1969-11-15

Family

ID=4401120

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1447168A CH481396A (en) 1968-09-27 1968-09-27 Projection system

Country Status (2)

Country Link
CH (1) CH481396A (en)
DE (1) DE1948829A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528203A1 (en) * 1982-06-05 1983-12-09 Zeiss Carl Fa PIVOTING FLOOR FOR PLANETARIUMS

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3337379A1 (en) * 1983-10-14 1985-04-25 Heinz Kettler Metallwarenfabrik Gmbh & Co, 4763 Ense Stand for sun umbrellas or the like
DE19851000C2 (en) * 1998-11-05 2001-07-26 Dornier Gmbh Projection arrangement
DE10202325B4 (en) * 2002-01-23 2004-06-24 Jenoptik Ldt Gmbh projection arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528203A1 (en) * 1982-06-05 1983-12-09 Zeiss Carl Fa PIVOTING FLOOR FOR PLANETARIUMS

Also Published As

Publication number Publication date
DE1948829A1 (en) 1970-04-02

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Legal Events

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