RO101644A2 - Diapositive and diafilm projection device - Google Patents

Diapositive and diafilm projection device

Info

Publication number
RO101644A2
RO101644A2 RO1988133563A RO13356388A RO101644A2 RO 101644 A2 RO101644 A2 RO 101644A2 RO 1988133563 A RO1988133563 A RO 1988133563A RO 13356388 A RO13356388 A RO 13356388A RO 101644 A2 RO101644 A2 RO 101644A2
Authority
RO
Romania
Prior art keywords
screen
projection device
diafilm
diapositive
image
Prior art date
Application number
RO1988133563A
Other languages
Romanian (ro)
Inventor
Ro Klein Ioan
Original Assignee
Liceul Pedagogic, Caransebes, Judetul Caras-Severin, Ro
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 Liceul Pedagogic, Caransebes, Judetul Caras-Severin, Ro filed Critical Liceul Pedagogic, Caransebes, Judetul Caras-Severin, Ro
Priority to RO1988133563A priority Critical patent/RO101644A2/en
Publication of RO101644A2 publication Critical patent/RO101644A2/en

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Landscapes

  • Projection Apparatus (AREA)

Abstract

The invention concerns a device for slide projection in natural light that is used mainly in education institutions.In accordance with this invention, the device consists of a cuboid case placed on a base plate on wheels. A square hole is drilled in the case, enabling the images from the projection device to be projected by means of a periscope-type two-mirrored system, mounted at a 45-degree angle and turning the image upside down. The image is then reflected to a thin frosted glass translucent screen. A layer of reflecting substance is applied on the lower part of the screen, helping to increase contrast. The screen is placed in a protective frame.
RO1988133563A 1988-05-17 1988-05-17 Diapositive and diafilm projection device RO101644A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO1988133563A RO101644A2 (en) 1988-05-17 1988-05-17 Diapositive and diafilm projection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO1988133563A RO101644A2 (en) 1988-05-17 1988-05-17 Diapositive and diafilm projection device

Publications (1)

Publication Number Publication Date
RO101644A2 true RO101644A2 (en) 1991-12-09

Family

ID=20121706

Family Applications (1)

Application Number Title Priority Date Filing Date
RO1988133563A RO101644A2 (en) 1988-05-17 1988-05-17 Diapositive and diafilm projection device

Country Status (1)

Country Link
RO (1) RO101644A2 (en)

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