ES384718A2 - Una central telefonica automatica. - Google Patents

Una central telefonica automatica.

Info

Publication number
ES384718A2
ES384718A2 ES384718A ES384718A ES384718A2 ES 384718 A2 ES384718 A2 ES 384718A2 ES 384718 A ES384718 A ES 384718A ES 384718 A ES384718 A ES 384718A ES 384718 A2 ES384718 A2 ES 384718A2
Authority
ES
Spain
Prior art keywords
beams
exchange
conference
multiplex
central
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
ES384718A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES384718A2 publication Critical patent/ES384718A2/es
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
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
ES384718A 1969-10-21 1970-10-20 Una central telefonica automatica. Expired ES384718A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5162969A GB1280045A (en) 1969-10-21 1969-10-21 Improvements in or relating to telecommunication exchanges

Publications (1)

Publication Number Publication Date
ES384718A2 true ES384718A2 (es) 1973-03-16

Family

ID=10460780

Family Applications (1)

Application Number Title Priority Date Filing Date
ES384718A Expired ES384718A2 (es) 1969-10-21 1970-10-20 Una central telefonica automatica.

Country Status (5)

Country Link
BE (1) BE757766A (fr)
CA (1) CA938706A (fr)
ES (1) ES384718A2 (fr)
FR (1) FR2077510A6 (fr)
GB (1) GB1280045A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7528755B2 (en) 2007-09-06 2009-05-05 Infineon Technologies Ag Sigma-delta modulator for operating sensors

Also Published As

Publication number Publication date
CA938706A (en) 1973-12-18
FR2077510A6 (fr) 1971-10-29
GB1280045A (en) 1972-07-05
BE757766A (fr) 1971-04-21

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