IT962203B - Perfezionamento nei proiettori cinematografici a scatola con schermo incorporato particolarmen te per pellicole in caricatori a casetta - Google Patents

Perfezionamento nei proiettori cinematografici a scatola con schermo incorporato particolarmen te per pellicole in caricatori a casetta

Info

Publication number
IT962203B
IT962203B IT52323/72A IT5232372A IT962203B IT 962203 B IT962203 B IT 962203B IT 52323/72 A IT52323/72 A IT 52323/72A IT 5232372 A IT5232372 A IT 5232372A IT 962203 B IT962203 B IT 962203B
Authority
IT
Italy
Prior art keywords
loaders
house
built
improvement
film
Prior art date
Application number
IT52323/72A
Other languages
English (en)
Italian (it)
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of IT962203B publication Critical patent/IT962203B/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
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens
    • 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
    • G03B21/10—Projectors with built-in or built-on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
IT52323/72A 1971-08-24 1972-08-23 Perfezionamento nei proiettori cinematografici a scatola con schermo incorporato particolarmen te per pellicole in caricatori a casetta IT962203B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17437371A 1971-08-24 1971-08-24
US17446171A 1971-08-24 1971-08-24

Publications (1)

Publication Number Publication Date
IT962203B true IT962203B (it) 1973-12-20

Family

ID=26870149

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52323/72A IT962203B (it) 1971-08-24 1972-08-23 Perfezionamento nei proiettori cinematografici a scatola con schermo incorporato particolarmen te per pellicole in caricatori a casetta

Country Status (5)

Country Link
JP (1) JPS4830929A (fr)
DE (1) DE2238466A1 (fr)
FR (1) FR2151328A5 (fr)
GB (1) GB1366416A (fr)
IT (1) IT962203B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147408A (en) * 1976-12-23 1979-04-03 Polaroid Corporation Back projection viewing screen
US4171881A (en) * 1978-01-30 1979-10-23 Gaf Corporation Hand held motion picture viewer
JPS6347866Y2 (fr) * 1980-02-08 1988-12-09
JPS5846336A (ja) * 1981-09-14 1983-03-17 Mitsubishi Rayon Co Ltd 透過型スクリ−ン
JPS5865427A (ja) * 1981-10-14 1983-04-19 Matsushita Electric Ind Co Ltd スクリ−ン
JPS5879731U (ja) * 1981-11-26 1983-05-30 ソニー株式会社 リアプロジエクタ装置
DE3150135A1 (de) * 1981-12-18 1983-06-30 Homann, Jochen, 4030 Ratingen Vorrichtung fuer werbe- und/oder informationszwecke
JPS5923334A (ja) * 1982-07-29 1984-02-06 Victor Co Of Japan Ltd 透過式スクリ−ン
JPS5995525A (ja) * 1982-11-24 1984-06-01 Mitsubishi Rayon Co Ltd 背面投影スクリ−ン
NL8600184A (nl) * 1986-01-28 1987-08-17 Philips Nv Doorzichtprojektiesysteem.
US5311910A (en) * 1991-02-20 1994-05-17 Kabushiki Kaisha Showa Seisakusho Cap attachment structure for accumulator

Also Published As

Publication number Publication date
DE2238466A1 (de) 1973-03-08
FR2151328A5 (fr) 1973-04-13
GB1366416A (en) 1974-09-11
JPS4830929A (fr) 1973-04-23

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