GB1429006A - Manufacture of masters for radiation redistributing devices and fabrication of such devices therefrom - Google Patents

Manufacture of masters for radiation redistributing devices and fabrication of such devices therefrom

Info

Publication number
GB1429006A
GB1429006A GB1436673A GB1436673A GB1429006A GB 1429006 A GB1429006 A GB 1429006A GB 1436673 A GB1436673 A GB 1436673A GB 1436673 A GB1436673 A GB 1436673A GB 1429006 A GB1429006 A GB 1429006A
Authority
GB
United Kingdom
Prior art keywords
master
manufacture
devices
radiation
masters
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
GB1436673A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1429006A publication Critical patent/GB1429006A/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)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB1436673A 1972-03-27 1973-03-26 Manufacture of masters for radiation redistributing devices and fabrication of such devices therefrom Expired GB1429006A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23831672A 1972-03-27 1972-03-27

Publications (1)

Publication Number Publication Date
GB1429006A true GB1429006A (en) 1976-03-24

Family

ID=22897374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1436673A Expired GB1429006A (en) 1972-03-27 1973-03-26 Manufacture of masters for radiation redistributing devices and fabrication of such devices therefrom

Country Status (6)

Country Link
JP (1) JPS4916431A (enExample)
CA (1) CA971012A (enExample)
DE (1) DE2314481A1 (enExample)
FR (1) FR2178607A5 (enExample)
GB (1) GB1429006A (enExample)
HK (1) HK57576A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH604205A5 (enExample) * 1976-11-16 1978-08-31 Landis & Gyr Ag

Also Published As

Publication number Publication date
FR2178607A5 (enExample) 1973-11-09
HK57576A (en) 1976-09-24
JPS4916431A (enExample) 1974-02-13
DE2314481A1 (de) 1973-10-04
CA971012A (en) 1975-07-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee