FR2350755A1 - Appareil automatique d'identification d'abonnes pour centraux telephoniques - Google Patents

Appareil automatique d'identification d'abonnes pour centraux telephoniques

Info

Publication number
FR2350755A1
FR2350755A1 FR7713774A FR7713774A FR2350755A1 FR 2350755 A1 FR2350755 A1 FR 2350755A1 FR 7713774 A FR7713774 A FR 7713774A FR 7713774 A FR7713774 A FR 7713774A FR 2350755 A1 FR2350755 A1 FR 2350755A1
Authority
FR
France
Prior art keywords
appts
subscriber
lines
hook condition
correlation detector
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.)
Withdrawn
Application number
FR7713774A
Other languages
English (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.)
Cable and Wireless Ltd
Original Assignee
Cable and Wireless 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 Cable and Wireless Ltd filed Critical Cable and Wireless Ltd
Publication of FR2350755A1 publication Critical patent/FR2350755A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FR7713774A 1976-05-06 1977-05-05 Appareil automatique d'identification d'abonnes pour centraux telephoniques Withdrawn FR2350755A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1852976 1976-05-06

Publications (1)

Publication Number Publication Date
FR2350755A1 true FR2350755A1 (fr) 1977-12-02

Family

ID=10113992

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7713774A Withdrawn FR2350755A1 (fr) 1976-05-06 1977-05-05 Appareil automatique d'identification d'abonnes pour centraux telephoniques

Country Status (7)

Country Link
JP (1) JPS52139309A (fr)
BE (1) BE854307A (fr)
DE (1) DE2719934A1 (fr)
FR (1) FR2350755A1 (fr)
IT (1) IT1079656B (fr)
NL (1) NL7705034A (fr)
SE (1) SE7705314L (fr)

Also Published As

Publication number Publication date
NL7705034A (nl) 1977-11-08
SE7705314L (sv) 1977-11-07
DE2719934A1 (de) 1977-11-17
IT1079656B (it) 1985-05-13
JPS52139309A (en) 1977-11-21
BE854307A (fr) 1977-11-07

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Legal Events

Date Code Title Description
ST Notification of lapse