FR2216730B1 - - Google Patents

Info

Publication number
FR2216730B1
FR2216730B1 FR7401956A FR7401956A FR2216730B1 FR 2216730 B1 FR2216730 B1 FR 2216730B1 FR 7401956 A FR7401956 A FR 7401956A FR 7401956 A FR7401956 A FR 7401956A FR 2216730 B1 FR2216730 B1 FR 2216730B1
Authority
FR
France
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
FR7401956A
Other languages
French (fr)
Other versions
FR2216730A1 (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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2216730A1 publication Critical patent/FR2216730A1/fr
Application granted granted Critical
Publication of FR2216730B1 publication Critical patent/FR2216730B1/fr
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
    • 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
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/26—Circuits with optical sensing means, i.e. using opto-couplers for isolation
FR7401956A 1973-02-01 1974-01-21 Expired FR2216730B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1991573A IT983854B (en) 1973-02-01 1973-02-01 BASIC BAND DATA TRANSMISSION SYSTEM

Publications (2)

Publication Number Publication Date
FR2216730A1 FR2216730A1 (en) 1974-08-30
FR2216730B1 true FR2216730B1 (en) 1979-07-27

Family

ID=11162293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7401956A Expired FR2216730B1 (en) 1973-02-01 1974-01-21

Country Status (5)

Country Link
BE (1) BE803241A (en)
DE (1) DE2404957A1 (en)
FR (1) FR2216730B1 (en)
IT (1) IT983854B (en)
NL (1) NL7312171A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909510A (en) * 1973-10-05 1975-09-30 David W Luce Direct connection digital transmission apparatus
ES2102937B1 (en) * 1994-03-07 1998-04-01 Telefonica Nacional Espana Co TRANSMITTER-RECEIVER CIRCUIT.

Also Published As

Publication number Publication date
BE803241A (en) 1973-12-03
NL7312171A (en) 1974-08-05
DE2404957A1 (en) 1974-11-28
FR2216730A1 (en) 1974-08-30
IT983854B (en) 1974-11-11

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Legal Events

Date Code Title Description
ST Notification of lapse