NO750548L - - Google Patents

Info

Publication number
NO750548L
NO750548L NO750548A NO750548A NO750548L NO 750548 L NO750548 L NO 750548L NO 750548 A NO750548 A NO 750548A NO 750548 A NO750548 A NO 750548A NO 750548 L NO750548 L NO 750548L
Authority
NO
Norway
Prior art keywords
mirror
optical axis
reflection
light
objective
Prior art date
Application number
NO750548A
Other languages
English (en)
Norwegian (no)
Inventor
P Posso
Original Assignee
Gefitec Sa
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 Gefitec Sa filed Critical Gefitec Sa
Publication of NO750548L publication Critical patent/NO750548L/no

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B23/00Devices for changing pictures in viewing apparatus or projectors
    • G03B23/18Devices for changing pictures in viewing apparatus or projectors with fade-in and fade-out effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
NO750548A 1974-02-25 1975-02-18 NO750548L (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH260274A CH580825A5 (de) 1974-02-25 1974-02-25

Publications (1)

Publication Number Publication Date
NO750548L true NO750548L (de) 1975-08-26

Family

ID=4237446

Family Applications (1)

Application Number Title Priority Date Filing Date
NO750548A NO750548L (de) 1974-02-25 1975-02-18

Country Status (12)

Country Link
JP (1) JPS50127630A (de)
AU (1) AU7843875A (de)
BE (1) BE825883A (de)
CH (1) CH580825A5 (de)
DD (1) DD117538A5 (de)
DE (1) DE2506873A1 (de)
ES (1) ES435043A1 (de)
IT (1) IT1030207B (de)
NL (1) NL7502024A (de)
NO (1) NO750548L (de)
SE (1) SE7501899L (de)
SU (1) SU549092A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004265A1 (en) * 1984-03-16 1985-09-26 Kramer Gideon A Multiple projection optics slide projection apparatus using a circular slide tray, having fixed-position slide gates
US9291826B2 (en) * 2013-11-20 2016-03-22 Christie Digital Systems Usa, Inc. System for variable distribution of light to a plurality of projectors
CN107809628B (zh) * 2017-05-12 2024-05-28 杭州一隅千象科技有限公司 多方向环幕全覆盖的投影方法、投影仪及投影系统

Also Published As

Publication number Publication date
BE825883A (fr) 1975-06-16
SE7501899L (de) 1975-08-26
NL7502024A (nl) 1975-08-27
SU549092A3 (ru) 1977-02-28
DD117538A5 (de) 1976-01-12
AU7843875A (en) 1976-08-26
CH580825A5 (de) 1976-10-15
JPS50127630A (de) 1975-10-07
IT1030207B (it) 1979-03-30
ES435043A1 (es) 1976-12-16
DE2506873A1 (de) 1975-08-28

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