FI874233A - Slide projector. - Google Patents

Slide projector. Download PDF

Info

Publication number
FI874233A
FI874233A FI874233A FI874233A FI874233A FI 874233 A FI874233 A FI 874233A FI 874233 A FI874233 A FI 874233A FI 874233 A FI874233 A FI 874233A FI 874233 A FI874233 A FI 874233A
Authority
FI
Finland
Prior art keywords
slide projector
image
diapositive
pupils
audience
Prior art date
Application number
FI874233A
Other languages
Finnish (fi)
Other versions
FI84522B (en
FI874233A0 (en
FI84522C (en
Inventor
Matti Luopajaervi
Original Assignee
Diafoni Oy
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 Diafoni Oy filed Critical Diafoni Oy
Priority to FI874233A priority Critical patent/FI84522C/en
Publication of FI874233A0 publication Critical patent/FI874233A0/en
Publication of FI874233A publication Critical patent/FI874233A/en
Publication of FI84522B publication Critical patent/FI84522B/en
Application granted granted Critical
Publication of FI84522C publication Critical patent/FI84522C/en

Links

Abstract

A slide projector 1, by which is meant the transfer of diapositive images onto a screen 2 for viewing by an audience 3 or pupils. The slide projector 1 incorporates a mirror device 4, which turns the projected image to the appropriate direction. <IMAGE>
FI874233A 1987-09-25 1987-09-25 Slide projector. FI84522C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI874233A FI84522C (en) 1987-09-25 1987-09-25 Slide projector.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI874233A FI84522C (en) 1987-09-25 1987-09-25 Slide projector.
FI874233 1987-09-25

Publications (4)

Publication Number Publication Date
FI874233A0 FI874233A0 (en) 1987-09-25
FI874233A true FI874233A (en) 1989-03-26
FI84522B FI84522B (en) 1991-08-30
FI84522C FI84522C (en) 1991-12-10

Family

ID=8525135

Family Applications (1)

Application Number Title Priority Date Filing Date
FI874233A FI84522C (en) 1987-09-25 1987-09-25 Slide projector.

Country Status (1)

Country Link
FI (1) FI84522C (en)

Also Published As

Publication number Publication date
FI84522B (en) 1991-08-30
FI874233A0 (en) 1987-09-25
FI84522C (en) 1991-12-10

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: DIAFONI OY