FR1583211A - - Google Patents

Info

Publication number
FR1583211A
FR1583211A FR1583211DA FR1583211A FR 1583211 A FR1583211 A FR 1583211A FR 1583211D A FR1583211D A FR 1583211DA FR 1583211 A FR1583211 A FR 1583211A
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
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 FR1583211A publication Critical patent/FR1583211A/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR1583211D 1968-04-18 1968-04-18 Expired FR1583211A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR148555 1968-04-18

Publications (1)

Publication Number Publication Date
FR1583211A true FR1583211A (fr) 1969-10-24

Family

ID=8649126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1583211D Expired FR1583211A (fr) 1968-04-18 1968-04-18

Country Status (1)

Country Link
FR (1) FR1583211A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0075310A1 (fr) * 1981-09-23 1983-03-30 Siemens Aktiengesellschaft Circuit pour centrales de télécommunications, en particulier centrales téléphoniques, avec des dispositifs pour assurer la sécurité de la transmission de signaux codés

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0075310A1 (fr) * 1981-09-23 1983-03-30 Siemens Aktiengesellschaft Circuit pour centrales de télécommunications, en particulier centrales téléphoniques, avec des dispositifs pour assurer la sécurité de la transmission de signaux codés

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Legal Events

Date Code Title Description
ST Notification of lapse