FR1226178A - Central automatique privé avec moyens de raccordement et de conférence - Google Patents

Central automatique privé avec moyens de raccordement et de conférence

Info

Publication number
FR1226178A
FR1226178A FR796269A FR796269A FR1226178A FR 1226178 A FR1226178 A FR 1226178A FR 796269 A FR796269 A FR 796269A FR 796269 A FR796269 A FR 796269A FR 1226178 A FR1226178 A FR 1226178A
Authority
FR
France
Prior art keywords
connection
automatic exchange
private automatic
conference facilities
conference
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.)
Expired
Application number
FR796269A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1226178A publication Critical patent/FR1226178A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
    • 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

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
FR796269A 1958-06-03 1959-06-02 Central automatique privé avec moyens de raccordement et de conférence Expired FR1226178A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL228377 1958-06-03
NL3127478X 1958-06-03

Publications (1)

Publication Number Publication Date
FR1226178A true FR1226178A (fr) 1960-07-08

Family

ID=76269549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR796269A Expired FR1226178A (fr) 1958-06-03 1959-06-02 Central automatique privé avec moyens de raccordement et de conférence

Country Status (5)

Country Link
US (1) US3127478A (fr)
CH (1) CH381284A (fr)
DE (1) DE1078186B (fr)
FR (1) FR1226178A (fr)
GB (1) GB910967A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1255734B (de) * 1964-09-15 1967-12-07 Siemens Ag Schaltungsanordnung fuer ein nach dem Zeitmultiplexprinzip arbeitendes Vermittlungssystem
US8072909B2 (en) * 2004-11-15 2011-12-06 Applied Voice & Speech Technologies, Inc. Apparatus and method for notification of a party in a telephone conference

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB391861A (en) * 1931-11-06 1933-05-08 Automatic Electric Co Ltd Improvements in or relating to telephone systems
GB588563A (en) * 1944-08-25 1947-05-28 Automatic Telephone & Elect Improvements in or relating to telephone systems
GB616834A (en) * 1946-06-07 1949-01-27 Automatic Telephone & Elect Improvements in or relating to automatic switches for use in telephone systems
US2824909A (en) * 1952-09-13 1958-02-25 Gen Telephone Lab Inc Telephone system
US2880276A (en) * 1954-04-05 1959-03-31 Gen Dynamics Corp Conference circuit

Also Published As

Publication number Publication date
GB910967A (en) 1962-11-21
CH381284A (de) 1964-08-31
DE1078186B (de) 1960-03-24
US3127478A (en) 1964-03-31

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