FR647436A - Tableau lumineux à double image - Google Patents

Tableau lumineux à double image

Info

Publication number
FR647436A
FR647436A FR647436DA FR647436A FR 647436 A FR647436 A FR 647436A FR 647436D A FR647436D A FR 647436DA FR 647436 A FR647436 A FR 647436A
Authority
FR
France
Prior art keywords
image light
light board
double image
double
board
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)
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.)
SAUNIER ANCIENS ETS
Original Assignee
SAUNIER ANCIENS ETS
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 SAUNIER ANCIENS ETS filed Critical SAUNIER ANCIENS ETS
Application granted granted Critical
Publication of FR647436A publication Critical patent/FR647436A/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
    • G09F13/12—Signs, boards or panels, illuminated from behind the insignia using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR647436D 1928-01-18 1928-01-18 Tableau lumineux à double image Expired FR647436A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR647436T 1928-01-18

Publications (1)

Publication Number Publication Date
FR647436A true FR647436A (fr) 1928-11-23

Family

ID=9002093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647436D Expired FR647436A (fr) 1928-01-18 1928-01-18 Tableau lumineux à double image

Country Status (1)

Country Link
FR (1) FR647436A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991331A (en) * 1988-10-22 1991-02-12 R. A. James & Co. Limited Display assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991331A (en) * 1988-10-22 1991-02-12 R. A. James & Co. Limited Display assembly

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