[go: up one dir, main page]

CA938706A - Telecommunication exchanges - Google Patents

Telecommunication exchanges

Info

Publication number
CA938706A
CA938706A CA095046A CA95046A CA938706A CA 938706 A CA938706 A CA 938706A CA 095046 A CA095046 A CA 095046A CA 95046 A CA95046 A CA 95046A CA 938706 A CA938706 A CA 938706A
Authority
CA
Canada
Prior art keywords
telecommunication exchanges
telecommunication
exchanges
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
CA095046A
Inventor
M. Thomas David
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.)
International Telephone and Telegraph Corp
Original Assignee
International Telephone and Telegraph Corp
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 International Telephone and Telegraph Corp filed Critical International Telephone and Telegraph Corp
Application granted granted Critical
Publication of CA938706A publication Critical patent/CA938706A/en
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)
CA095046A 1969-10-21 1970-10-07 Telecommunication exchanges Expired CA938706A (en)

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
CA938706A true CA938706A (en) 1973-12-18

Family

ID=10460780

Family Applications (1)

Application Number Title Priority Date Filing Date
CA095046A Expired CA938706A (en) 1969-10-21 1970-10-07 Telecommunication exchanges

Country Status (5)

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

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
ES384718A2 (en) 1973-03-16
FR2077510A6 (en) 1971-10-29
GB1280045A (en) 1972-07-05
BE757766A (en) 1971-04-21

Similar Documents

Publication Publication Date Title
CA950094A (en) Telephone calls simulator
CA944452A (en) Telecommunication cables
CA943204A (en) Telecommunication cables
CA973276A (en) Telecommunications exchange systems
CA973629A (en) Telecommunications exchange systems
CA1020654A (en) Telephone exchanges
CA926512A (en) Telecommunications system
CA937663A (en) Telecommunication systems
CA938706A (en) Telecommunication exchanges
AU446463B2 (en) Telecommunication exchanges
AU1325670A (en) Telecommunication exchanges
AU2174070A (en) Telephone sets
CA970863A (en) Telecommunication exchanges
CA825269A (en) Telephone set
CA849110A (en) Telephone exchanges
CA816881A (en) Telecommunication cables
AU454155B2 (en) Improvements relating to telephone exchanges
AU2023870A (en) Telephone dial
CA778864A (en) Automatic telecommunication exchanges
AU418114B2 (en) Telecommunications exchange
AU429054B2 (en) Improvements relating to telecommunication exchanges
AU1502770A (en) Telecommunication cables
CA813992A (en) Switching network
AU2313570A (en) Improvements relating to telephone exchanges
CA826812A (en) Phase-differential network