ES435043A1 - Perfeccionamientos en los sistemas opticos para aparatos deproyeccion. - Google Patents

Perfeccionamientos en los sistemas opticos para aparatos deproyeccion.

Info

Publication number
ES435043A1
ES435043A1 ES435043A ES435043A ES435043A1 ES 435043 A1 ES435043 A1 ES 435043A1 ES 435043 A ES435043 A ES 435043A ES 435043 A ES435043 A ES 435043A ES 435043 A1 ES435043 A1 ES 435043A1
Authority
ES
Spain
Prior art keywords
total reflection
reflection
light
axes
mirror
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES435043A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gefitec SA
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 ES435043A1 publication Critical patent/ES435043A1/es
Expired legal-status Critical Current

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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/18—Devices 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)
ES435043A 1974-02-25 1975-02-25 Perfeccionamientos en los sistemas opticos para aparatos deproyeccion. Expired ES435043A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES435043A1 true ES435043A1 (es) 1976-12-16

Family

ID=4237446

Family Applications (1)

Application Number Title Priority Date Filing Date
ES435043A Expired ES435043A1 (es) 1974-02-25 1975-02-25 Perfeccionamientos en los sistemas opticos para aparatos deproyeccion.

Country Status (12)

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

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
NO750548L (es) 1975-08-26
DD117538A5 (es) 1976-01-12
IT1030207B (it) 1979-03-30
AU7843875A (en) 1976-08-26
SE7501899L (es) 1975-08-26
DE2506873A1 (de) 1975-08-28
CH580825A5 (es) 1976-10-15
SU549092A3 (ru) 1977-02-28
BE825883A (fr) 1975-06-16
NL7502024A (nl) 1975-08-27
JPS50127630A (es) 1975-10-07

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