FR1599738A - - Google Patents

Info

Publication number
FR1599738A
FR1599738A FR163940A FR1599738DA FR1599738A FR 1599738 A FR1599738 A FR 1599738A FR 163940 A FR163940 A FR 163940A FR 1599738D A FR1599738D A FR 1599738DA FR 1599738 A FR1599738 A FR 1599738A
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
FR163940A
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 FR1599738A publication Critical patent/FR1599738A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR163940A 1968-08-23 1968-08-23 Expired FR1599738A (en))

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR163940 1968-08-23
BE719887 1968-08-23

Publications (1)

Publication Number Publication Date
FR1599738A true FR1599738A (en)) 1970-07-20

Family

ID=25656702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR163940A Expired FR1599738A (en)) 1968-08-23 1968-08-23

Country Status (2)

Country Link
BE (1) BE719887A (en))
FR (1) FR1599738A (en))

Also Published As

Publication number Publication date
BE719887A (en)) 1969-02-24

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Legal Events

Date Code Title Description
ST Notification of lapse