FR373405A - Appareil pour projections lumineuses diurnes - Google Patents

Appareil pour projections lumineuses diurnes

Info

Publication number
FR373405A
FR373405A FR373405A FR373405DA FR373405A FR 373405 A FR373405 A FR 373405A FR 373405 A FR373405 A FR 373405A FR 373405D A FR373405D A FR 373405DA FR 373405 A FR373405 A FR 373405A
Authority
FR
France
Prior art keywords
light projections
daytime light
daytime
projections
light
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
FR373405A
Other languages
English (en)
Inventor
Auguste Quentin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR373405A publication Critical patent/FR373405A/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR373405A 1907-01-09 1907-01-09 Appareil pour projections lumineuses diurnes Expired FR373405A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR373405T 1907-01-09

Publications (1)

Publication Number Publication Date
FR373405A true FR373405A (fr) 1907-05-15

Family

ID=1420111

Family Applications (1)

Application Number Title Priority Date Filing Date
FR373405A Expired FR373405A (fr) 1907-01-09 1907-01-09 Appareil pour projections lumineuses diurnes

Country Status (1)

Country Link
FR (1) FR373405A (fr)

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