CA918973A - Projection screen - Google Patents

Projection screen

Info

Publication number
CA918973A
CA918973A CA060981A CA60981A CA918973A CA 918973 A CA918973 A CA 918973A CA 060981 A CA060981 A CA 060981A CA 60981 A CA60981 A CA 60981A CA 918973 A CA918973 A CA 918973A
Authority
CA
Canada
Prior art keywords
projection screen
projection
screen
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
CA060981A
Inventor
Miyano Shizuo
Endo Hirotoshi
Ooue Shingo
Kondo Asaji
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Application granted granted Critical
Publication of CA918973A publication Critical patent/CA918973A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
CA060981A 1968-09-04 1969-09-03 Projection screen Expired CA918973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6348668 1968-09-04

Publications (1)

Publication Number Publication Date
CA918973A true CA918973A (en) 1973-01-16

Family

ID=13230607

Family Applications (1)

Application Number Title Priority Date Filing Date
CA060981A Expired CA918973A (en) 1968-09-04 1969-09-03 Projection screen

Country Status (4)

Country Link
CA (1) CA918973A (en)
DE (1) DE1944364A1 (en)
FR (1) FR2017354A1 (en)
GB (1) GB1287943A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50107958A (en) * 1974-01-31 1975-08-25
US4229085A (en) * 1977-03-10 1980-10-21 Canon Kabushiki Kaisha Film reader
DE19506547C2 (en) * 1994-08-01 1997-01-30 Siemens Ag Full-range converter fuse

Also Published As

Publication number Publication date
DE1944364A1 (en) 1970-03-19
GB1287943A (en) 1972-09-06
FR2017354A1 (en) 1970-05-22

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