FR724774A - Device illuminated by the action of an external light source, applicable to advertising, signage, etc. - Google Patents

Device illuminated by the action of an external light source, applicable to advertising, signage, etc.

Info

Publication number
FR724774A
FR724774A FR724774DA FR724774A FR 724774 A FR724774 A FR 724774A FR 724774D A FR724774D A FR 724774DA FR 724774 A FR724774 A FR 724774A
Authority
FR
France
Prior art keywords
signage
advertising
applicable
action
light source
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
Louis Schoepf
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 FR724774A publication Critical patent/FR724774A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR724774D 1930-10-24 1931-10-20 Device illuminated by the action of an external light source, applicable to advertising, signage, etc. Expired FR724774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH724774X 1930-10-24

Publications (1)

Publication Number Publication Date
FR724774A true FR724774A (en) 1932-05-02

Family

ID=4531816

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724774D Expired FR724774A (en) 1930-10-24 1931-10-20 Device illuminated by the action of an external light source, applicable to advertising, signage, etc.

Country Status (1)

Country Link
FR (1) FR724774A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937975A1 (en) * 1979-09-20 1981-04-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Liquid crystal display diaphragm - made as plastic injection moulding or deformed foil with sawtooth cross=section

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2937975A1 (en) * 1979-09-20 1981-04-02 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Liquid crystal display diaphragm - made as plastic injection moulding or deformed foil with sawtooth cross=section

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