CH544320A - Projektions-Bildwand - Google Patents

Projektions-Bildwand

Info

Publication number
CH544320A
CH544320A CH415372A CH415372A CH544320A CH 544320 A CH544320 A CH 544320A CH 415372 A CH415372 A CH 415372A CH 415372 A CH415372 A CH 415372A CH 544320 A CH544320 A CH 544320A
Authority
CH
Switzerland
Prior art keywords
projection screen
projection
screen
Prior art date
Application number
CH415372A
Other languages
English (en)
Inventor
Kaps Rainer Dr Dipl-Chem
Naundorf Gerhard Dr Dipl-Ing
Original Assignee
Sika Erzeugnisse Scharfe & Kap
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 Sika Erzeugnisse Scharfe & Kap filed Critical Sika Erzeugnisse Scharfe & Kap
Publication of CH544320A publication Critical patent/CH544320A/de

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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/02—Copolymers with acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08L61/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Overhead Projectors And Projection Screens (AREA)
CH415372A 1971-06-09 1972-03-21 Projektions-Bildwand CH544320A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15564171 1971-06-09

Publications (1)

Publication Number Publication Date
CH544320A true CH544320A (de) 1973-11-15

Family

ID=5483925

Family Applications (1)

Application Number Title Priority Date Filing Date
CH415372A CH544320A (de) 1971-06-09 1972-03-21 Projektions-Bildwand

Country Status (5)

Country Link
CH (1) CH544320A (de)
DE (1) DE2212998A1 (de)
FR (1) FR2141041A5 (de)
SE (1) SE372110B (de)
SU (1) SU496750A3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5877255A (en) * 1996-03-27 1999-03-02 Sika Ag Vorm. Kaspar Winkler & Co. Kind of polyhydroxyl compounds suitable for the polyurethane synthesis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5877255A (en) * 1996-03-27 1999-03-02 Sika Ag Vorm. Kaspar Winkler & Co. Kind of polyhydroxyl compounds suitable for the polyurethane synthesis

Also Published As

Publication number Publication date
SE372110B (de) 1974-12-09
FR2141041A5 (en) 1973-01-19
SU496750A3 (ru) 1975-12-25
DE2212998A1 (de) 1973-02-01

Similar Documents

Publication Publication Date Title
BE788915A (fr) Projecteur
AT316043B (de) Siebformkörper
SE396816B (sv) Underkalibrig projektil
SE394527B (sv) Projektionsskerm
BE789747A (fr) Ecran luminescent
AT332917B (de) Rasterkorrekturschaltung
FI55260C (fi) Taendroer foer roterande projektil
CH534894A (fr) Projecteur cinématographique
IT973949B (it) Macchina fotografica
BE781336A (fr) Ecran de projection ameliore
SE373675B (sv) Bildskerm for projektionsendamal
CH503282A (de) Projektionsschirm
BE792944A (fr) Ecran luminescent
CH544320A (de) Projektions-Bildwand
IT950445B (it) Proiettore cinematografico
IT960626B (it) Schermo di proiezione
AT319043B (de) Vergrößerungsgerät
BR7201475D0 (pt) Peneira mecanica
IT952876B (it) Proiettore cinematografico
IT953873B (it) Proiettore cinematografico
AT309218B (de) Filmprojektor
DE7118113U (de) Bilderrahmen
DE7133773U (de) Projektionsflaeche
CH541768A (de) Stativ
AT312417B (de) Kamera

Legal Events

Date Code Title Description
PL Patent ceased