FR446917A - Improvements in the operation of telegraphic, telephone and other circuits - Google Patents

Improvements in the operation of telegraphic, telephone and other circuits

Info

Publication number
FR446917A
FR446917A FR446917DA FR446917A FR 446917 A FR446917 A FR 446917A FR 446917D A FR446917D A FR 446917DA FR 446917 A FR446917 A FR 446917A
Authority
FR
France
Prior art keywords
telegraphic
telephone
circuits
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)
Inventor
Ernest Sydney Heurtley
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 FR446917A publication Critical patent/FR446917A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
    • H04L25/085—Arrangements for reducing interference in line transmission systems, e.g. by differential transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR446917D 1911-09-20 1912-08-05 Improvements in the operation of telegraphic, telephone and other circuits Expired FR446917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB446917X 1911-09-20

Publications (1)

Publication Number Publication Date
FR446917A true FR446917A (en) 1912-12-18

Family

ID=1487654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446917D Expired FR446917A (en) 1911-09-20 1912-08-05 Improvements in the operation of telegraphic, telephone and other circuits

Country Status (1)

Country Link
FR (1) FR446917A (en)

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