FR576884A - Dispositif de signalisation - Google Patents

Dispositif de signalisation

Info

Publication number
FR576884A
FR576884A FR576884DA FR576884A FR 576884 A FR576884 A FR 576884A FR 576884D A FR576884D A FR 576884DA FR 576884 A FR576884 A FR 576884A
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR576884A publication Critical patent/FR576884A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/14—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
FR576884D 1922-03-16 1923-03-13 Dispositif de signalisation Expired FR576884A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US576884XA 1922-03-16 1922-03-16

Publications (1)

Publication Number Publication Date
FR576884A true FR576884A (fr) 1924-08-27

Family

ID=22012148

Family Applications (1)

Application Number Title Priority Date Filing Date
FR576884D Expired FR576884A (fr) 1922-03-16 1923-03-13 Dispositif de signalisation

Country Status (1)

Country Link
FR (1) FR576884A (fr)

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