BE814367A - Bureaux centraux telephoniques a action echelonnee utilisables avec des reseaux de communication a modulation par impulsions codees - Google Patents

Bureaux centraux telephoniques a action echelonnee utilisables avec des reseaux de communication a modulation par impulsions codees

Info

Publication number
BE814367A
BE814367A BE2053579A BE2053579A BE814367A BE 814367 A BE814367 A BE 814367A BE 2053579 A BE2053579 A BE 2053579A BE 2053579 A BE2053579 A BE 2053579A BE 814367 A BE814367 A BE 814367A
Authority
BE
Belgium
Prior art keywords
usable
stage
communication networks
pulse modulation
central offices
Prior art date
Application number
BE2053579A
Other languages
English (en)
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
Publication of BE814367A publication Critical patent/BE814367A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephonic Communication Services (AREA)
BE2053579A 1973-04-30 1974-04-30 Bureaux centraux telephoniques a action echelonnee utilisables avec des reseaux de communication a modulation par impulsions codees BE814367A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US356003A US3863033A (en) 1973-04-30 1973-04-30 Step-by-step telephone central exchanges for use with pcm communication networks

Publications (1)

Publication Number Publication Date
BE814367A true BE814367A (fr) 1974-10-30

Family

ID=23399677

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053579A BE814367A (fr) 1973-04-30 1974-04-30 Bureaux centraux telephoniques a action echelonnee utilisables avec des reseaux de communication a modulation par impulsions codees

Country Status (5)

Country Link
US (1) US3863033A (fr)
BE (1) BE814367A (fr)
CA (1) CA1008957A (fr)
GB (1) GB1462649A (fr)
IT (1) IT1010125B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984642A (en) * 1974-06-10 1976-10-05 The Post Office Digital telephone and switching system employing time division multiplex pulse code modulation
US4150258A (en) * 1975-02-03 1979-04-17 Oki Electric Industry Co., Ltd. Electronic switching system
FR2311468A1 (fr) * 1975-05-16 1976-12-10 Thomson Csf Procede de protection d'un reseau de commutation telephonique contre les surcharges, circuits et autocommutateurs pour la mise en oeuvre de ce procede
US5099474A (en) * 1988-12-22 1992-03-24 Kabushiki Kaisha Toshiba Digital exchange and its control method
US5912960A (en) * 1996-05-17 1999-06-15 Alcatel Usa Sourcing, L.P. Method and apparatus for remotely activating services in a telecommunications network
US20050259807A1 (en) * 2003-02-28 2005-11-24 Pita Madoch Method and network for providing access to an information network

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA594682A (en) * 1954-05-27 1960-03-22 F. Dunning Sanford Telephone answering service
US2829204A (en) * 1954-11-26 1958-04-01 Bell Telephone Labor Inc Battery charging over subscriber telephone line
US3087019A (en) * 1960-03-30 1963-04-23 Automatic Elect Lab Terminal per station identification circuit
US3458659A (en) * 1965-09-15 1969-07-29 New North Electric Co Nonblocking pulse code modulation system having storage and gating means with common control
US3496301A (en) * 1966-04-19 1970-02-17 Bell Telephone Labor Inc Time division concentrator with reduced station scanning interval
US3585306A (en) * 1968-05-16 1971-06-15 Bell Telephone Labor Inc Tandem office time division switching system
US3778555A (en) * 1971-07-19 1973-12-11 Digital Telephone Systems Inc Telephone subscriber line system intra call apparatus and method

Also Published As

Publication number Publication date
CA1008957A (en) 1977-04-19
IT1010125B (it) 1977-01-10
GB1462649A (en) 1977-01-26
US3863033A (en) 1975-01-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19870430