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FR702328A - Improvements to duplex telegraph installations - Google Patents

Improvements to duplex telegraph installations

Info

Publication number
FR702328A
FR702328A FR702328DA FR702328A FR 702328 A FR702328 A FR 702328A FR 702328D A FR702328D A FR 702328DA FR 702328 A FR702328 A FR 702328A
Authority
FR
France
Prior art keywords
duplex telegraph
installations
telegraph installations
duplex
telegraph
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)
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.)
Creed and Co Ltd
Original Assignee
Creed and Co Ltd
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 Creed and Co Ltd filed Critical Creed and Co Ltd
Application granted granted Critical
Publication of FR702328A publication Critical patent/FR702328A/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
    • H04L5/1423—Two-way operation using the same type of signal, i.e. duplex for simultaneous baseband signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
FR702328D 1930-09-04 1930-09-17 Improvements to duplex telegraph installations Expired FR702328A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2639430A GB362452A (en) 1930-09-04 1930-09-04 Improvements in duplex telegraphy

Publications (1)

Publication Number Publication Date
FR702328A true FR702328A (en) 1931-04-03

Family

ID=10242946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702328D Expired FR702328A (en) 1930-09-04 1930-09-17 Improvements to duplex telegraph installations

Country Status (2)

Country Link
FR (1) FR702328A (en)
GB (1) GB362452A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2310668A1 (en) * 1975-05-06 1976-12-03 Desieter Rene Teleprinter translator with relay circuit - uuses relay circuit to allow use of remote terminal without earth point and has connections to mid point of batteries
US5359594A (en) * 1992-05-15 1994-10-25 International Business Machines Corporation Power-saving full duplex nodal communications systems

Also Published As

Publication number Publication date
GB362452A (en) 1931-12-04

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