AU7843875A - Optical device - Google Patents

Optical device

Info

Publication number
AU7843875A
AU7843875A AU78438/75A AU7843875A AU7843875A AU 7843875 A AU7843875 A AU 7843875A AU 78438/75 A AU78438/75 A AU 78438/75A AU 7843875 A AU7843875 A AU 7843875A AU 7843875 A AU7843875 A AU 7843875A
Authority
AU
Australia
Prior art keywords
optical device
optical
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
AU78438/75A
Other languages
English (en)
Inventor
Patrick Posso
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 AU7843875A publication Critical patent/AU7843875A/en
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)
AU78438/75A 1974-02-25 1975-02-21 Optical device Expired AU7843875A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AU7843875A true AU7843875A (en) 1976-08-26

Family

ID=4237446

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78438/75A Expired AU7843875A (en) 1974-02-25 1975-02-21 Optical device

Country Status (12)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8407298A (pt) * 1984-03-16 1986-03-25 Gideon A Kramer Aparelho de projecao de diapositivos com optica de projecao multipla utilizando uma bandeja circular para dispositivos e tendo portas para dispositivos de posicoes fixas
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
CH580825A5 (ro) 1976-10-15
DE2506873A1 (de) 1975-08-28
NL7502024A (nl) 1975-08-27
ES435043A1 (es) 1976-12-16
BE825883A (fr) 1975-06-16
IT1030207B (it) 1979-03-30
DD117538A5 (ro) 1976-01-12
NO750548L (ro) 1975-08-26
SE7501899L (ro) 1975-08-26
SU549092A3 (ru) 1977-02-28
JPS50127630A (ro) 1975-10-07

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