SE8800920L - Overheat system for viewing information - has blind fitted between light source and information sheet which is adjustable for viewing - Google Patents

Overheat system for viewing information - has blind fitted between light source and information sheet which is adjustable for viewing

Info

Publication number
SE8800920L
SE8800920L SE8800920A SE8800920A SE8800920L SE 8800920 L SE8800920 L SE 8800920L SE 8800920 A SE8800920 A SE 8800920A SE 8800920 A SE8800920 A SE 8800920A SE 8800920 L SE8800920 L SE 8800920L
Authority
SE
Sweden
Prior art keywords
viewing
information
adjustable
light source
blind
Prior art date
Application number
SE8800920A
Other languages
Swedish (sv)
Other versions
SE8800920D0 (en
Inventor
Knut Egil Hasseloe
Original Assignee
Knut Egil Hasseloe
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 Knut Egil Hasseloe filed Critical Knut Egil Hasseloe
Priority to SE8800920A priority Critical patent/SE8800920L/en
Publication of SE8800920D0 publication Critical patent/SE8800920D0/en
Publication of SE8800920L publication Critical patent/SE8800920L/en

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
    • G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection
    • 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
    • G03B21/13—Projectors for producing special effects at the edges of picture, e.g. blurring

Landscapes

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

Abstract

The system has a blind between a light source and an information sheet. The blind is adjustable by being displaced so that a required section of the information sheet may be viewed.
SE8800920A 1988-03-15 1988-03-15 Overheat system for viewing information - has blind fitted between light source and information sheet which is adjustable for viewing SE8800920L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8800920A SE8800920L (en) 1988-03-15 1988-03-15 Overheat system for viewing information - has blind fitted between light source and information sheet which is adjustable for viewing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8800920A SE8800920L (en) 1988-03-15 1988-03-15 Overheat system for viewing information - has blind fitted between light source and information sheet which is adjustable for viewing

Publications (2)

Publication Number Publication Date
SE8800920D0 SE8800920D0 (en) 1988-03-15
SE8800920L true SE8800920L (en) 1989-09-16

Family

ID=20371689

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8800920A SE8800920L (en) 1988-03-15 1988-03-15 Overheat system for viewing information - has blind fitted between light source and information sheet which is adjustable for viewing

Country Status (1)

Country Link
SE (1) SE8800920L (en)

Also Published As

Publication number Publication date
SE8800920D0 (en) 1988-03-15

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