GB1366416A - Rear projection viewer - Google Patents

Rear projection viewer

Info

Publication number
GB1366416A
GB1366416A GB3719172A GB3719172A GB1366416A GB 1366416 A GB1366416 A GB 1366416A GB 3719172 A GB3719172 A GB 3719172A GB 3719172 A GB3719172 A GB 3719172A GB 1366416 A GB1366416 A GB 1366416A
Authority
GB
United Kingdom
Prior art keywords
rear projection
projection viewer
viewer
projection
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
GB3719172A
Other languages
English (en)
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.)
Polaroid Corp
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
Publication of GB1366416A publication Critical patent/GB1366416A/en
Expired 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
    • G03B21/60—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)
GB3719172A 1971-08-24 1972-08-09 Rear projection viewer Expired GB1366416A (en)

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
GB1366416A true GB1366416A (en) 1974-09-11

Family

ID=26870149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3719172A Expired GB1366416A (en) 1971-08-24 1972-08-09 Rear projection viewer

Country Status (5)

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

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 (de) * 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
JPS4830929A (de) 1973-04-23
IT962203B (it) 1973-12-20
DE2238466A1 (de) 1973-03-08
FR2151328A5 (de) 1973-04-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee