DE3619842C2 - - Google Patents

Info

Publication number
DE3619842C2
DE3619842C2 DE3619842A DE3619842A DE3619842C2 DE 3619842 C2 DE3619842 C2 DE 3619842C2 DE 3619842 A DE3619842 A DE 3619842A DE 3619842 A DE3619842 A DE 3619842A DE 3619842 C2 DE3619842 C2 DE 3619842C2
Authority
DE
Germany
Prior art keywords
locking
mobile frame
frame according
support legs
roller
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
DE3619842A
Other languages
German (de)
English (en)
Other versions
DE3619842A1 (de
Inventor
Gabor 7778 Markdorf De Jakab
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19863619842 priority Critical patent/DE3619842A1/de
Publication of DE3619842A1 publication Critical patent/DE3619842A1/de
Application granted granted Critical
Publication of DE3619842C2 publication Critical patent/DE3619842C2/de
Granted 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
    • 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)
  • Tents Or Canopies (AREA)
DE19863619842 1986-06-12 1986-06-12 Mobiles gestell zum aufspannen von als fotohintergrund dienenden leinwaenden Granted DE3619842A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19863619842 DE3619842A1 (de) 1986-06-12 1986-06-12 Mobiles gestell zum aufspannen von als fotohintergrund dienenden leinwaenden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863619842 DE3619842A1 (de) 1986-06-12 1986-06-12 Mobiles gestell zum aufspannen von als fotohintergrund dienenden leinwaenden

Publications (2)

Publication Number Publication Date
DE3619842A1 DE3619842A1 (de) 1987-12-17
DE3619842C2 true DE3619842C2 (enrdf_load_stackoverflow) 1988-04-07

Family

ID=6302898

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863619842 Granted DE3619842A1 (de) 1986-06-12 1986-06-12 Mobiles gestell zum aufspannen von als fotohintergrund dienenden leinwaenden

Country Status (1)

Country Link
DE (1) DE3619842A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI982177A7 (fi) * 1998-10-07 2000-04-08 Reumi Oy Taustakartongin käyttölaite
IT1391871B1 (it) * 2008-11-12 2012-01-27 Casaluci Giuliano S R L Divisore di camera, ed elemento di arredo provvisto di tale divisore di camera, in particolare per una camera di degenza
CN109695797A (zh) * 2017-10-20 2019-04-30 敦煌国润太阳能野外实验站有限公司 一种光伏阵列隐裂检测便携式自适应相机支架
CN111038653B (zh) * 2020-01-06 2020-11-27 新沂市锡沂高新材料产业技术研究院有限公司 一种远洋渔船用图像信息显示设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1109409B (de) * 1958-12-24 1961-06-22 Agfa Ag Spann- und Befestigungsvorrichtung fuer aufrollbare Projektionswaende
US3220464A (en) * 1963-05-10 1965-11-30 Glenn E Wise Projection screen
US3225818A (en) * 1963-08-14 1965-12-28 Glenn E Wise Projection screen

Also Published As

Publication number Publication date
DE3619842A1 (de) 1987-12-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee