FR709505A - Caisson lumineux perfectionné - Google Patents

Caisson lumineux perfectionné

Info

Publication number
FR709505A
FR709505A FR709505DA FR709505A FR 709505 A FR709505 A FR 709505A FR 709505D A FR709505D A FR 709505DA FR 709505 A FR709505 A FR 709505A
Authority
FR
France
Prior art keywords
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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
English (en)
Inventor
Gustave Weissmann
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 FR709505A publication Critical patent/FR709505A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR709505D 1930-04-22 1930-04-22 Caisson lumineux perfectionné Expired FR709505A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR709505T 1930-04-22

Publications (1)

Publication Number Publication Date
FR709505A true FR709505A (fr) 1931-08-07

Family

ID=9069539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709505D Expired FR709505A (fr) 1930-04-22 1930-04-22 Caisson lumineux perfectionné

Country Status (1)

Country Link
FR (1) FR709505A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530133A (en) * 1946-06-08 1950-11-14 Bausch & Lomb Illuminating device for uniformly and diffusely illuminating a background

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530133A (en) * 1946-06-08 1950-11-14 Bausch & Lomb Illuminating device for uniformly and diffusely illuminating a background

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