NL7405794A - - Google Patents

Info

Publication number
NL7405794A
NL7405794A NL7405794A NL7405794A NL7405794A NL 7405794 A NL7405794 A NL 7405794A NL 7405794 A NL7405794 A NL 7405794A NL 7405794 A NL7405794 A NL 7405794A NL 7405794 A NL7405794 A NL 7405794A
Authority
NL
Netherlands
Application number
NL7405794A
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 filed Critical
Publication of NL7405794A publication Critical patent/NL7405794A/xx

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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Blinds (AREA)
NL7405794A 1973-04-27 1974-04-29 NL7405794A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2321428A DE2321428A1 (de) 1973-04-27 1973-04-27 Lichtbildprojektionswand

Publications (1)

Publication Number Publication Date
NL7405794A true NL7405794A (de) 1974-10-29

Family

ID=5879481

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7405794A NL7405794A (de) 1973-04-27 1974-04-29

Country Status (6)

Country Link
US (1) US3942868A (de)
CA (1) CA1029224A (de)
DE (1) DE2321428A1 (de)
FR (1) FR2227554B1 (de)
GB (1) GB1440531A (de)
NL (1) NL7405794A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5426815Y2 (de) * 1975-03-17 1979-09-04
US4068921A (en) * 1976-01-07 1978-01-17 Os Screen Co., Ltd. Screen assembly
JPS5345035U (de) * 1976-09-21 1978-04-17
US4159162A (en) * 1978-05-22 1979-06-26 Da-Lite Screen Co. Inc. Silencer for electric motion picture screens
DE3115177C1 (de) * 1981-04-15 1982-11-11 Reflecta Gmbh Foto Film Projektion, 8540 Schwabach Lichtbildwand
US4511211A (en) * 1982-12-13 1985-04-16 Iowa State University Research Foundation, Inc. Projection screen anchor
US5287578A (en) * 1992-12-02 1994-02-22 Lovret John E Wind breakup means for suspension bridges
JP3077194U (ja) * 2000-10-24 2001-05-11 株式会社シネマ工房 映写スクリーン等のシート巻取装置
US6842282B2 (en) * 2001-02-14 2005-01-11 Arisawa Mfg. Co., Ltd. Reflection projection screen
US6870670B2 (en) * 2001-04-06 2005-03-22 3M Innovative Properties Company Screens and methods for displaying information
US8469077B1 (en) * 2011-07-19 2013-06-25 Thomas Allard Portably engaged retractable sun shade
CN108563091A (zh) * 2018-03-09 2018-09-21 芜湖影星巨幕有限公司 一种适用特殊场地的超大型卷筒银幕的安装方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1732489A (en) * 1928-11-20 1929-10-22 Joseph C Uckotter Awning arm
US1977844A (en) * 1934-04-04 1934-10-23 Henry D Chisholm Automobile curtain operator
US2793687A (en) * 1953-06-22 1957-05-28 Knox Mfg Company Movie screen stretching device
DE1206619B (de) * 1961-07-21 1965-12-09 Herbert Riedel Aufrollbare Bildwerferwand mit Spanneinrichtung
US3485471A (en) * 1966-11-21 1969-12-23 Ronald E Mccurdy Projector screen supporting assemblies
US3592255A (en) * 1969-03-03 1971-07-13 Da Lite Screen Co Inc Automatic tensioning bar for portable picture screens
US3750995A (en) * 1972-02-24 1973-08-07 Knox Manuf Co Mounting device for projection screen
US3750994A (en) * 1972-02-24 1973-08-07 Knox Manuf Co Mounting device for projection screen

Also Published As

Publication number Publication date
US3942868A (en) 1976-03-09
DE2321428A1 (de) 1974-11-14
FR2227554B1 (de) 1979-02-16
GB1440531A (en) 1976-06-23
FR2227554A1 (de) 1974-11-22
CA1029224A (en) 1978-04-11

Similar Documents

Publication Publication Date Title
AU476761B2 (de)
AU474593B2 (de)
AU474511B2 (de)
AU474838B2 (de)
AU471343B2 (de)
FR2227554B1 (de)
AU476714B2 (de)
AU472848B2 (de)
AU476696B2 (de)
AU477823B2 (de)
AU477824B2 (de)
AR193950A1 (de)
AU476873B1 (de)
AU471461B2 (de)
AR195948A1 (de)
AR195311A1 (de)
AR196212Q (de)
AR196123Q (de)
CH565311A5 (de)
AU479404A (de)
BG19427A1 (de)
AU479562A (de)
AU479539A (de)
AU479522A (de)
AU479521A (de)

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed