FR647077A - Signaling device - Google Patents

Signaling device

Info

Publication number
FR647077A
FR647077A FR647077DA FR647077A FR 647077 A FR647077 A FR 647077A FR 647077D A FR647077D A FR 647077DA FR 647077 A FR647077 A FR 647077A
Authority
FR
France
Prior art keywords
signaling device
signaling
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.)
Anciens Etablissements Sautter Harle
Original Assignee
Anciens Etablissements Sautter Harle
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 Anciens Etablissements Sautter Harle filed Critical Anciens Etablissements Sautter Harle
Application granted granted Critical
Publication of FR647077A publication Critical patent/FR647077A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR647077D 1927-05-20 1927-05-20 Signaling device Expired FR647077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR647077T 1927-05-20

Publications (1)

Publication Number Publication Date
FR647077A true FR647077A (en) 1928-11-20

Family

ID=9001834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647077D Expired FR647077A (en) 1927-05-20 1927-05-20 Signaling device

Country Status (1)

Country Link
FR (1) FR647077A (en)

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