FR835029A - Reflective surface for light projections - Google Patents

Reflective surface for light projections

Info

Publication number
FR835029A
FR835029A FR835029DA FR835029A FR 835029 A FR835029 A FR 835029A FR 835029D A FR835029D A FR 835029DA FR 835029 A FR835029 A FR 835029A
Authority
FR
France
Prior art keywords
reflective surface
light projections
projections
light
reflective
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)
Inventor
Hermine Setril
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 filed Critical
Application granted granted Critical
Publication of FR835029A publication Critical patent/FR835029A/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
    • G03B21/14—Details
    • G03B21/20—Lamp housings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR835029D 1937-03-25 1938-03-09 Reflective surface for light projections Expired FR835029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT835029X 1937-03-25

Publications (1)

Publication Number Publication Date
FR835029A true FR835029A (en) 1938-12-09

Family

ID=3681912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835029D Expired FR835029A (en) 1937-03-25 1938-03-09 Reflective surface for light projections

Country Status (1)

Country Link
FR (1) FR835029A (en)

Similar Documents

Publication Publication Date Title
FR841710A (en) Process for making reflective mirrors
FR822265A (en) Platform for light minesweepers
FR818983A (en) Light strips for reserved passages
FR835029A (en) Reflective surface for light projections
FR854233A (en) removable light shield for glasses
FR867965A (en) Float for seaplanes
FR835457A (en) Pass-through for projection lantern
FR844346A (en) Bi-visual glasses
FR843291A (en) Brick ornamentation machine
FR836033A (en) Bicycle bell
FR840174A (en) Printer for sound-visual films
FR840842A (en) Letters for signs
FR832853A (en) Mirror
FR857286A (en) screen for fixed or cinematographic light projections
FR830611A (en) Rear view mirror for cyclist
FR48095E (en) Lantern holder for cycles
FR822758A (en) Coating for roads
FR818103A (en) Pourer
FR858569A (en) screen for light sources
FR848114A (en) Additive monocle for glasses
FR834110A (en) Box for film-packs
FR842883A (en) Aircraft float
FR733755A (en) Light plate for automobiles
FR846217A (en) Sophisticated lens
FR853408A (en) Chromatically corrected lens for light projections and other applications