FR1558087A - - Google Patents

Info

Publication number
FR1558087A
FR1558087A FR1558087DA FR1558087A FR 1558087 A FR1558087 A FR 1558087A FR 1558087D A FR1558087D A FR 1558087DA FR 1558087 A FR1558087 A FR 1558087A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1558087A publication Critical patent/FR1558087A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
FR1558087D 1967-03-17 1968-03-15 Expired FR1558087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967S0108888 DE1297683B (en) 1967-03-17 1967-03-17 Method for the conversion of pilot frequencies in a carrier frequency four-wire message transmission system

Publications (1)

Publication Number Publication Date
FR1558087A true FR1558087A (en) 1969-02-21

Family

ID=7529109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1558087D Expired FR1558087A (en) 1967-03-17 1968-03-15

Country Status (4)

Country Link
DE (1) DE1297683B (en)
FR (1) FR1558087A (en)
NL (1) NL154635B (en)
SE (1) SE379907B (en)

Also Published As

Publication number Publication date
DE1297683B (en) 1969-06-19
SE379907B (en) 1975-10-20
NL154635B (en) 1977-09-15
NL6803172A (en) 1968-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse