IT1011953B - Sistema di commutazione telefonica a comandi progressivi - Google Patents

Sistema di commutazione telefonica a comandi progressivi

Info

Publication number
IT1011953B
IT1011953B IT68841/74A IT6884174A IT1011953B IT 1011953 B IT1011953 B IT 1011953B IT 68841/74 A IT68841/74 A IT 68841/74A IT 6884174 A IT6884174 A IT 6884174A IT 1011953 B IT1011953 B IT 1011953B
Authority
IT
Italy
Prior art keywords
progressive
controls
switching system
telephone switching
telephone
Prior art date
Application number
IT68841/74A
Other languages
English (en)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1011953B publication Critical patent/IT1011953B/it

Links

Classifications

    • 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)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
IT68841/74A 1973-06-14 1974-06-11 Sistema di commutazione telefonica a comandi progressivi IT1011953B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US369902A US3860761A (en) 1973-06-14 1973-06-14 Digital progressively controlled switching system

Publications (1)

Publication Number Publication Date
IT1011953B true IT1011953B (it) 1977-02-10

Family

ID=23457406

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68841/74A IT1011953B (it) 1973-06-14 1974-06-11 Sistema di commutazione telefonica a comandi progressivi

Country Status (13)

Country Link
US (1) US3860761A (it)
JP (1) JPS5751319B2 (it)
AR (1) AR203564A1 (it)
BE (1) BE816257A (it)
BR (1) BR7404744A (it)
CA (1) CA1004755A (it)
DE (1) DE2428297C2 (it)
ES (1) ES427192A1 (it)
FR (1) FR2233781B1 (it)
GB (1) GB1470442A (it)
IT (1) IT1011953B (it)
NL (1) NL7407907A (it)
SE (1) SE407003B (it)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU482164B2 (en) * 1972-11-13 1975-05-15 Lm ERICSSON PTY. LTD TIME DIVISION MULTIPLEXED Specification DIGITAL SWITCHING APPARATUS V
FR2248758A5 (it) * 1973-09-18 1975-05-16 Materiel Telephonique
US4061880A (en) * 1975-03-21 1977-12-06 Dicom Systems, Ltd. Time-multiplex programmable switching apparatus
US3959596A (en) * 1975-05-30 1976-05-25 Gte Sylvania Incorporated Time division switching network
US4007334A (en) * 1975-07-02 1977-02-08 Bell Telephone Laboratories, Incorporated Time division digital local telephone office with telemetering line unit
SE387506B (sv) * 1975-10-17 1976-09-06 Ericsson Telefon Ab L M Anordning for att i telekommunikationssystem slumpvis velja ut ett av flera valbara organ
US4117268A (en) * 1976-04-09 1978-09-26 Stromberg-Carlson Corporation Digital direct response switching system
US4034294A (en) * 1976-05-19 1977-07-05 Bell Telephone Laboratories, Incorporated Overlap PCM coder/decoder with reaction time compensation
US4317962A (en) * 1977-03-02 1982-03-02 International Telephone And Telegraph Corporation Distributed control for digital switching system
US4253179A (en) * 1977-08-17 1981-02-24 Nippon Electric Co., Ltd. Time division digital switching system with code converting and inverse-converting circuits
CA1123102A (en) * 1979-07-27 1982-05-04 Harold H. Harris Line interface unit for voice and wide band signal coupling
JPS5646389A (en) * 1979-09-08 1981-04-27 Plessey Overseas Time sharing multiswitching module
US4546468A (en) * 1982-09-13 1985-10-08 At&T Bell Laboratories Switching network control circuit
US4686669A (en) * 1985-02-07 1987-08-11 American Telephone And Telegraph Company, At&T Bell Laboratories Path hunting in a distributed control switching system
US4694487A (en) * 1985-02-07 1987-09-15 American Telephone And Telegraph Company, At&T Bell Laboratories Controlling multi-fort hunt groups in a distributed control switching system
US4644528A (en) * 1985-02-07 1987-02-17 At&T Bell Laboratories Terminating port determination in a distributed control switching system using a distributed database
US4683584A (en) * 1985-02-07 1987-07-28 American Telephone And Telegraph Company, At&T Bell Laboratories Directory number translation in a distributed control switching system
US4686701A (en) * 1985-02-07 1987-08-11 American Telephone And Telegraph Company, At&T Bell Laboratories Processing sequence calls in a distributed control switching system
US4689815A (en) * 1985-08-23 1987-08-25 American Telephone And Telegraph Company, At&T Bell Laboratories Controlling multi-port hunt groups in a distributed control switching system
US4791662A (en) * 1987-07-23 1988-12-13 American Telephone And Telegraph Company, At&T Bell Laboratories Controlling key-system groups from a distributed control switching system
US4805166A (en) * 1987-10-28 1989-02-14 American Telephone And Telegraph Company, At&T Bell Laboratories Switch path reservation arrangement
US4866708A (en) * 1987-10-28 1989-09-12 American Telephone And Telegraph Company, At&T Bell Laboratories Communication channel ownership arrangement
US5150357A (en) * 1989-06-12 1992-09-22 Emil Hopner Integrated communications system
US5093827A (en) * 1989-09-21 1992-03-03 At&T Bell Laboratories Control architecture of a multi-node circuit- and packet-switching system
US4962497A (en) * 1989-09-21 1990-10-09 At&T Bell Laboratories Building-block architecture of a multi-node circuit-and packet-switching system
US7058067B1 (en) 1995-03-13 2006-06-06 Cisco Technology, Inc. Distributed interactive multimedia system architecture
US5838683A (en) 1995-03-13 1998-11-17 Selsius Systems Inc. Distributed interactive multimedia system architecture
US7360153B1 (en) * 2000-01-17 2008-04-15 Lucent Technologies Inc. Method and apparatus for importing digital switching system data into a spreadsheet program
US6886251B1 (en) * 2001-01-31 2005-05-03 Vp Buildings, Inc. Beam fabrication system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073907A (en) * 1960-03-08 1963-01-15 Bell Telephone Labor Inc Telephone line scanning circuit
US3111560A (en) * 1960-08-04 1963-11-19 Gen Dynamics Corp Line circuit
FR1596576A (it) * 1968-09-13 1970-07-31
DE2021344B2 (de) * 1970-04-30 1971-12-09 Siemens Ag Schaltungsanordnung zur durchschaltung von nachrichtensignalen insbesondere pcm signalen in zeitmultiplex vermittlungsstellen eines zeitmultiplex insbesondere pcm zeitmultiplex fernmeldenetzes
US3781485A (en) * 1972-08-09 1973-12-25 Gte Automatic Electric Lab Inc Trunk selection scanning circuit

Also Published As

Publication number Publication date
US3860761A (en) 1975-01-14
SE7407454L (it) 1974-12-15
DE2428297A1 (de) 1975-01-16
AU6994274A (en) 1975-12-11
NL7407907A (it) 1974-12-17
DE2428297C2 (de) 1984-10-31
JPS5751319B2 (it) 1982-11-01
CA1004755A (en) 1977-02-01
SE407003B (sv) 1979-03-05
JPS5036005A (it) 1975-04-04
AR203564A1 (es) 1975-09-22
BE816257A (fr) 1974-09-30
BR7404744A (pt) 1976-02-17
GB1470442A (en) 1977-04-14
FR2233781B1 (it) 1977-03-11
FR2233781A1 (it) 1975-01-10
ES427192A1 (es) 1977-01-01

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