FR404170A - Improvements relating to electric telegraphy - Google Patents

Improvements relating to electric telegraphy

Info

Publication number
FR404170A
FR404170A FR404170A FR404170DA FR404170A FR 404170 A FR404170 A FR 404170A FR 404170 A FR404170 A FR 404170A FR 404170D A FR404170D A FR 404170DA FR 404170 A FR404170 A FR 404170A
Authority
FR
France
Prior art keywords
improvements relating
electric telegraphy
telegraphy
electric
relating
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
FR404170A
Other languages
French (fr)
Inventor
Joseph Arthur Lovel Dearlove
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 FR404170A publication Critical patent/FR404170A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1407—Artificial lines or their setting

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
FR404170A 1908-06-20 1909-06-18 Improvements relating to electric telegraphy Expired FR404170A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB404170X 1908-06-20

Publications (1)

Publication Number Publication Date
FR404170A true FR404170A (en) 1909-11-24

Family

ID=43585607

Family Applications (1)

Application Number Title Priority Date Filing Date
FR404170A Expired FR404170A (en) 1908-06-20 1909-06-18 Improvements relating to electric telegraphy

Country Status (2)

Country Link
DE (1) DE215545C (en)
FR (1) FR404170A (en)

Also Published As

Publication number Publication date
DE215545C (en) 1909-10-21

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