FR565675A - Method and devices for obtaining relief projections - Google Patents

Method and devices for obtaining relief projections

Info

Publication number
FR565675A
FR565675A FR565675DA FR565675A FR 565675 A FR565675 A FR 565675A FR 565675D A FR565675D A FR 565675DA FR 565675 A FR565675 A FR 565675A
Authority
FR
France
Prior art keywords
devices
obtaining relief
relief projections
projections
obtaining
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
Other languages
French (fr)
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.)
JEANNERET ET CIE
Original Assignee
JEANNERET ET CIE
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 JEANNERET ET CIE filed Critical JEANNERET ET CIE
Application granted granted Critical
Publication of FR565675A publication Critical patent/FR565675A/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)
FR565675D 1923-05-01 1923-05-01 Method and devices for obtaining relief projections Expired FR565675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR565675T 1923-05-01

Publications (1)

Publication Number Publication Date
FR565675A true FR565675A (en) 1924-02-02

Family

ID=8946589

Family Applications (1)

Application Number Title Priority Date Filing Date
FR565675D Expired FR565675A (en) 1923-05-01 1923-05-01 Method and devices for obtaining relief projections

Country Status (1)

Country Link
FR (1) FR565675A (en)

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