FR828283A - Method and device for lighting installation elements in the dark, in particular in the event of an aerial warning - Google Patents

Method and device for lighting installation elements in the dark, in particular in the event of an aerial warning

Info

Publication number
FR828283A
FR828283A FR828283DA FR828283A FR 828283 A FR828283 A FR 828283A FR 828283D A FR828283D A FR 828283DA FR 828283 A FR828283 A FR 828283A
Authority
FR
France
Prior art keywords
dark
event
installation elements
lighting installation
aerial
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)
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.)
DEGEA AG AUERGESELLSCHAFT
Original Assignee
DEGEA AG AUERGESELLSCHAFT
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 DEGEA AG AUERGESELLSCHAFT filed Critical DEGEA AG AUERGESELLSCHAFT
Application granted granted Critical
Publication of FR828283A publication Critical patent/FR828283A/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
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Luminescent Compositions (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
FR828283D 1936-11-03 1937-10-25 Method and device for lighting installation elements in the dark, in particular in the event of an aerial warning Expired FR828283A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE489140X 1936-11-03

Publications (1)

Publication Number Publication Date
FR828283A true FR828283A (en) 1938-05-13

Family

ID=6543911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828283D Expired FR828283A (en) 1936-11-03 1937-10-25 Method and device for lighting installation elements in the dark, in particular in the event of an aerial warning

Country Status (3)

Country Link
CH (1) CH198573A (en)
FR (1) FR828283A (en)
GB (1) GB489140A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE959889C (en) * 1953-07-01 1957-03-14 Fluorescent Electric Mfg Compa Arrangement for making a lettering visible on a trailer vehicle

Also Published As

Publication number Publication date
GB489140A (en) 1938-07-20
CH198573A (en) 1938-06-30

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