IT7820564V0 - Schermo per la proiezione di fotografie con altoparlanti. - Google Patents

Schermo per la proiezione di fotografie con altoparlanti.

Info

Publication number
IT7820564V0
IT7820564V0 IT7820564U IT2056478U IT7820564V0 IT 7820564 V0 IT7820564 V0 IT 7820564V0 IT 7820564 U IT7820564 U IT 7820564U IT 2056478 U IT2056478 U IT 2056478U IT 7820564 V0 IT7820564 V0 IT 7820564V0
Authority
IT
Italy
Prior art keywords
photographs
speakers
projection
screen
Prior art date
Application number
IT7820564U
Other languages
English (en)
Other versions
IT7820564U1 (it
Original Assignee
Mechanische Weberei Gmbh
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 Mechanische Weberei Gmbh filed Critical Mechanische Weberei Gmbh
Publication of IT7820564V0 publication Critical patent/IT7820564V0/it
Publication of IT7820564U1 publication Critical patent/IT7820564U1/it

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
ITMI1978U20564U 1977-03-09 1978-01-24 Schermo per la proiezione di fotografie con altoparlanti. IT7820564U1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7707290U DE7707290U1 (de) 1977-03-09 1977-03-09 Lichtbildprojektionswand mit lautsprechern

Publications (2)

Publication Number Publication Date
IT7820564V0 true IT7820564V0 (it) 1978-01-24
IT7820564U1 IT7820564U1 (it) 1979-07-24

Family

ID=6676358

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI1978U20564U IT7820564U1 (it) 1977-03-09 1978-01-24 Schermo per la proiezione di fotografie con altoparlanti.

Country Status (3)

Country Link
DE (1) DE7707290U1 (it)
FR (1) FR2383461A1 (it)
IT (1) IT7820564U1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2031328T3 (es) * 1988-09-26 1992-12-01 E W D Electronic-Werke Deutschland Gmbh Aparato reproductor de imagen y sonido.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR739550A (it) *
US1945710A (en) * 1929-12-07 1934-02-06 Trans Lux Daylight Picture Reproducing device
US2450757A (en) * 1945-03-27 1948-10-05 Eastman Kodak Co Combined carrying case and projection unit
AT335537B (de) * 1975-01-17 1977-03-10 Neckermann Versand Kgaa Vorrichtung fur das auf- und abrollen einer projektionsleinwand

Also Published As

Publication number Publication date
DE7707290U1 (de) 1977-06-30
IT7820564U1 (it) 1979-07-24
FR2383461A1 (fr) 1978-10-06

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