AU579180B2 - Digital communication system - Google Patents

Digital communication system

Info

Publication number
AU579180B2
AU579180B2 AU46971/85A AU4697185A AU579180B2 AU 579180 B2 AU579180 B2 AU 579180B2 AU 46971/85 A AU46971/85 A AU 46971/85A AU 4697185 A AU4697185 A AU 4697185A AU 579180 B2 AU579180 B2 AU 579180B2
Authority
AU
Australia
Prior art keywords
communication system
digital communication
digital
communication
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
AU46971/85A
Other versions
AU4697185A (en
Inventor
Leslie Alan Baxter
Paul Richard Berkowitz
Clair Alan Buzzard
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.)
AT&T Corp
Original Assignee
AT&T Technologies Inc
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
Priority claimed from US06/256,937 external-priority patent/US4389720A/en
Application filed by AT&T Technologies Inc filed Critical AT&T Technologies Inc
Priority to AU46971/85A priority Critical patent/AU579180B2/en
Publication of AU4697185A publication Critical patent/AU4697185A/en
Application granted granted Critical
Publication of AU579180B2 publication Critical patent/AU579180B2/en
Anticipated expiration legal-status Critical
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
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • 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
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
AU46971/85A 1981-04-23 1985-09-02 Digital communication system Expired AU579180B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU46971/85A AU579180B2 (en) 1981-04-23 1985-09-02 Digital communication system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US256937 1981-04-23
US06/256,937 US4389720A (en) 1981-04-23 1981-04-23 Distributed digital conferencing system
AU46971/85A AU579180B2 (en) 1981-04-23 1985-09-02 Digital communication system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU82934/82A Division AU547542B2 (en) 1981-04-23 1982-04-22 Conference communication

Publications (2)

Publication Number Publication Date
AU4697185A AU4697185A (en) 1986-01-30
AU579180B2 true AU579180B2 (en) 1988-11-17

Family

ID=25627723

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46971/85A Expired AU579180B2 (en) 1981-04-23 1985-09-02 Digital communication system

Country Status (1)

Country Link
AU (1) AU579180B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE462941B (en) * 1988-11-18 1990-09-17 Ellemtel Utvecklings Ab UNIVERSAL MICROCRAFT FOR TELECOMMUNICATIONS APPLICATIONS

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228536A (en) * 1979-05-29 1980-10-14 Redcom Laboratories, Inc. Time division digital communication system
US4229814A (en) * 1978-07-21 1980-10-21 E-Systems, Inc. Multiplex conference bridge
US4274155A (en) * 1979-08-06 1981-06-16 Gte Automatic Electric Laboratories Inc. Multiport conference circuit with multi-frame summing and voice level coding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4229814A (en) * 1978-07-21 1980-10-21 E-Systems, Inc. Multiplex conference bridge
US4228536A (en) * 1979-05-29 1980-10-14 Redcom Laboratories, Inc. Time division digital communication system
US4274155A (en) * 1979-08-06 1981-06-16 Gte Automatic Electric Laboratories Inc. Multiport conference circuit with multi-frame summing and voice level coding

Also Published As

Publication number Publication date
AU4697185A (en) 1986-01-30

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired