BE408931A - - Google Patents

Info

Publication number
BE408931A
BE408931A BE408931DA BE408931A BE 408931 A BE408931 A BE 408931A BE 408931D A BE408931D A BE 408931DA BE 408931 A BE408931 A BE 408931A
Authority
BE
Belgium
Prior art keywords
mirror
lens
frame
cliché
front face
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE408931A publication Critical patent/BE408931A/fr

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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
BE408931D BE408931A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE408931A true BE408931A (enrdf_load_stackoverflow)

Family

ID=73405

Family Applications (1)

Application Number Title Priority Date Filing Date
BE408931D BE408931A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE408931A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US7726819B2 (en) Structure for protecting a rod integrator having a light shield plate with an opening
CN109416500B (zh) 投射型影像显示装置
JPH05142653A (ja) 照明装置
BE408931A (enrdf_load_stackoverflow)
JP2005309337A (ja) 投映型画像表示装置
EP0783116A1 (en) Optical device and multisurface reflector
JP5970190B2 (ja) 照明装置、および拡大観察装置
CN210573143U (zh) 一种投影仪及光路调整装置
US7448761B2 (en) Architecture for a projector
JP2007121602A (ja) 照明光学系
US6422719B1 (en) Heat source shielding device of projecting apparatus
JP2020030423A (ja) プロジェクター装置
US6034822A (en) Device for distributing light on an image frame
BE460553A (enrdf_load_stackoverflow)
JP3418945B2 (ja) 投光装置
FR2666421A1 (fr) Projecteur a arc au xenon de forte puissance.
TWM529188U (zh) 可調整焦距的攝影傘
JP2000292836A (ja) マクロフラッシュの照明装置
EP0058186B1 (fr) Agrandisseur photographique a source lumineuse ponctuelle
CH245428A (fr) Episcope.
CH126835A (fr) Dispositif pour la reproduction des films réticulés.
TWI270709B (en) Method of adjusting position of a light source
JP2002228932A (ja) 光学装置およびプロジェクタ
FR2887042A1 (fr) Dispositif et procede pour preregler la position de l'image emise par un moteur optique
FR2938667A1 (fr) Dispositif de projection d'image de type diapositive adaptable sur spot led