FR693912A - Signalisation sous-marine - Google Patents

Signalisation sous-marine

Info

Publication number
FR693912A
FR693912A FR693912DA FR693912A FR 693912 A FR693912 A FR 693912A FR 693912D A FR693912D A FR 693912DA FR 693912 A FR693912 A FR 693912A
Authority
FR
France
Prior art keywords
underwater signaling
underwater
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR693912A publication Critical patent/FR693912A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR693912D 1929-09-24 1930-04-15 Signalisation sous-marine Expired FR693912A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2899229A GB340042A (en) 1929-09-24 1929-09-24 Improvements in submarine signalling

Publications (1)

Publication Number Publication Date
FR693912A true FR693912A (fr) 1930-11-26

Family

ID=10284518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR693912D Expired FR693912A (fr) 1929-09-24 1930-04-15 Signalisation sous-marine

Country Status (2)

Country Link
FR (1) FR693912A (fr)
GB (1) GB340042A (fr)

Also Published As

Publication number Publication date
GB340042A (en) 1930-12-24

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