FR488316A - System for telephone correspondence with railway trains and similar vehicles in motion - Google Patents

System for telephone correspondence with railway trains and similar vehicles in motion

Info

Publication number
FR488316A
FR488316A FR488316A FR488316DA FR488316A FR 488316 A FR488316 A FR 488316A FR 488316 A FR488316 A FR 488316A FR 488316D A FR488316D A FR 488316DA FR 488316 A FR488316 A FR 488316A
Authority
FR
France
Prior art keywords
motion
similar vehicles
railway trains
telephone correspondence
telephone
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
FR488316A
Other languages
French (fr)
Inventor
Victor Gabriel Werner
Karl Hjalmar Warfvinge
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR488316A publication Critical patent/FR488316A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Coils Or Transformers For Communication (AREA)
FR488316A 1915-08-21 1916-08-21 System for telephone correspondence with railway trains and similar vehicles in motion Expired FR488316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE488316X 1915-08-21

Publications (1)

Publication Number Publication Date
FR488316A true FR488316A (en) 1918-09-20

Family

ID=6090601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR488316A Expired FR488316A (en) 1915-08-21 1916-08-21 System for telephone correspondence with railway trains and similar vehicles in motion

Country Status (2)

Country Link
DE (1) DE297135C (en)
FR (1) FR488316A (en)

Also Published As

Publication number Publication date
DE297135C (en)

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