CA1106949A - Electronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devices - Google Patents

Electronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devices

Info

Publication number
CA1106949A
CA1106949A CA297,899A CA297899A CA1106949A CA 1106949 A CA1106949 A CA 1106949A CA 297899 A CA297899 A CA 297899A CA 1106949 A CA1106949 A CA 1106949A
Authority
CA
Canada
Prior art keywords
tone
processing unit
peripheral units
matrix
switching
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
CA297,899A
Other languages
English (en)
French (fr)
Inventor
Frederick W. Schimmel
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of CA1106949A publication Critical patent/CA1106949A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored program
    • H04Q3/54541—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored program using multi-processor systems
    • H04Q3/5455—Multi-processor, parallelism, distributed systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
CA297,899A 1977-03-01 1978-02-28 Electronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devices Expired CA1106949A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US773,311 1977-03-01
US05/773,311 US4105873A (en) 1977-03-01 1977-03-01 Electronic telephone switching system comprising a speech path switching matrix and tone-connecting switching matrix and employing electronic crosspoint switches

Publications (1)

Publication Number Publication Date
CA1106949A true CA1106949A (en) 1981-08-11

Family

ID=25097838

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297,899A Expired CA1106949A (en) 1977-03-01 1978-02-28 Electronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devices

Country Status (10)

Country Link
US (1) US4105873A (https=)
JP (1) JPS53117917A (https=)
CA (1) CA1106949A (https=)
CH (1) CH626212A5 (https=)
DE (1) DE2743623C3 (https=)
FR (1) FR2382816B1 (https=)
GB (1) GB1594391A (https=)
IT (1) IT1092822B (https=)
NL (1) NL7802198A (https=)
SE (1) SE7802275L (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1244541A (en) * 1985-11-07 1988-11-08 Gerald Molnar Communication system having separate unidirectional information signalling
US4719413A (en) * 1986-10-30 1988-01-12 Rca Corporation RF crosspoint tester

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806658A (en) * 1972-10-30 1974-04-23 Bell Telephone Labor Inc Common controlled equalization system

Also Published As

Publication number Publication date
JPS53117917A (en) 1978-10-14
DE2743623C3 (de) 1980-08-14
DE2743623B2 (de) 1979-12-06
CH626212A5 (https=) 1981-10-30
FR2382816B1 (fr) 1986-11-07
DE2743623A1 (de) 1978-09-07
IT7820570A0 (it) 1978-02-24
US4105873A (en) 1978-08-08
SE7802275L (sv) 1978-09-02
IT1092822B (it) 1985-07-12
FR2382816A1 (fr) 1978-09-29
NL7802198A (nl) 1978-09-05
GB1594391A (en) 1981-07-30

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JPS613548A (ja) フアクシミリ通信代表接続方式

Legal Events

Date Code Title Description
MKEX Expiry