IT970204B - Cornice pneumatica per schermo per proiezione di pellicole cinematografiche e diapositive - Google Patents

Cornice pneumatica per schermo per proiezione di pellicole cinematografiche e diapositive

Info

Publication number
IT970204B
IT970204B IT31279/72A IT3127972A IT970204B IT 970204 B IT970204 B IT 970204B IT 31279/72 A IT31279/72 A IT 31279/72A IT 3127972 A IT3127972 A IT 3127972A IT 970204 B IT970204 B IT 970204B
Authority
IT
Italy
Prior art keywords
slides
projection
screen
pneumatic frame
cinematographic films
Prior art date
Application number
IT31279/72A
Other languages
English (en)
Original Assignee
Passoni G
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 Passoni G filed Critical Passoni G
Priority to IT31279/72A priority Critical patent/IT970204B/it
Priority to DE19732307880 priority patent/DE2307880A1/de
Priority to ES1974189243U priority patent/ES189243Y/es
Application granted granted Critical
Publication of IT970204B publication Critical patent/IT970204B/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
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
    • 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)
  • Artificial Filaments (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
IT31279/72A 1972-11-03 1972-11-03 Cornice pneumatica per schermo per proiezione di pellicole cinematografiche e diapositive IT970204B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT31279/72A IT970204B (it) 1972-11-03 1972-11-03 Cornice pneumatica per schermo per proiezione di pellicole cinematografiche e diapositive
DE19732307880 DE2307880A1 (de) 1972-11-03 1973-02-17 Rahmen fuer einen bildschirm
ES1974189243U ES189243Y (es) 1972-11-03 1973-03-02 Marco para pantalla de imagen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT31279/72A IT970204B (it) 1972-11-03 1972-11-03 Cornice pneumatica per schermo per proiezione di pellicole cinematografiche e diapositive

Publications (1)

Publication Number Publication Date
IT970204B true IT970204B (it) 1974-04-10

Family

ID=11233393

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31279/72A IT970204B (it) 1972-11-03 1972-11-03 Cornice pneumatica per schermo per proiezione di pellicole cinematografiche e diapositive

Country Status (3)

Country Link
DE (1) DE2307880A1 (it)
ES (1) ES189243Y (it)
IT (1) IT970204B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323301A (en) * 1980-05-14 1982-04-06 Donald Spector Collapsible rear/front projection screen assembly
US4339175A (en) * 1980-07-18 1982-07-13 Asthausbolagen Hb Astero & Stockhaus Projection screen
WO2011050489A1 (zh) * 2009-10-26 2011-05-05 长绩科技股份有限公司 投影幕
US11305209B2 (en) * 2019-03-07 2022-04-19 Universal City Studios Llc Actuatable surface techniques

Also Published As

Publication number Publication date
DE2307880A1 (de) 1974-05-09
ES189243Y (es) 1974-10-01
ES189243U (es) 1974-03-01

Similar Documents

Publication Publication Date Title
IT1026375B (it) Procedimento e pellicola per produrre immasini cinematografiche
IT993385B (it) Apparecchio di copiatura fotografi co elettrostatico
SE394527B (sv) Projektionsskerm
IT1024862B (it) Proiettore per diapositive
IT1040804B (it) Apparecchio per sviluppo di pellucole fotografiche
IT971000B (it) Proiettore di diapositive per porta diapositive flessibili e non supportati
IT970204B (it) Cornice pneumatica per schermo per proiezione di pellicole cinematografiche e diapositive
FR2073545A5 (fr) Projecteur cinematographique
AT305034B (de) Laufbildprojektor
IT1012640B (it) Dispositivo per la selezione e la proiezione di diapositive
IT976958B (it) Proiettore cinematografico
CH526126A (de) Laufbildprojektor für ansetzbare Kassettenschlitten
IT996879B (it) Proiettore cinematografico sonoro
BE798854A (fr) Projecteur de pellicules cinematographiques
IT942658B (it) Proiettore cinematografico
IT1006211B (it) Proiettore combinato per la proiezione di pellicole di 35 e di 16 mm
AT347261B (de) Tonfilmprojektor
IT1008043B (it) Sistema di lenti per proiettori cinematografici
IT988675B (it) Proiettore per foto o diapositive
BE825845A (fr) Pellicules photographiques
IT1037900B (it) Complesso di film fotografico
IT1025146B (it) Contenitore di pellicole fotogra fiche
AT314354B (de) Laufbildprojektor
IT1004965B (it) Proiettore cinematografico sonoro
IT939991B (it) Proiettore cinematografico