FR457984A - Appareil à signaux - Google Patents

Appareil à signaux

Info

Publication number
FR457984A
FR457984A FR457984A FR457984DA FR457984A FR 457984 A FR457984 A FR 457984A FR 457984 A FR457984 A FR 457984A FR 457984D A FR457984D A FR 457984DA FR 457984 A FR457984 A FR 457984A
Authority
FR
France
Prior art keywords
signal device
signal
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
FR457984A
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.)
Accumulatoren Fabrik AG
Original Assignee
Accumulatoren Fabrik AG
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 Accumulatoren Fabrik AG filed Critical Accumulatoren Fabrik AG
Application granted granted Critical
Publication of FR457984A publication Critical patent/FR457984A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L14/00—Electric lighting devices without a self-contained power source, e.g. for mains connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR457984A 1913-03-14 1913-05-17 Appareil à signaux Expired FR457984A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE457984X 1934-08-18

Publications (1)

Publication Number Publication Date
FR457984A true FR457984A (fr) 1913-09-30

Family

ID=6539370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR457984A Expired FR457984A (fr) 1913-03-14 1913-05-17 Appareil à signaux

Country Status (2)

Country Link
FR (1) FR457984A (fr)
GB (1) GB457984A (fr)

Also Published As

Publication number Publication date
GB457984A (en) 1936-12-10

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