ZA707784B - Conference circuit - Google Patents

Conference circuit

Info

Publication number
ZA707784B
ZA707784B ZA707784A ZA707784A ZA707784B ZA 707784 B ZA707784 B ZA 707784B ZA 707784 A ZA707784 A ZA 707784A ZA 707784 A ZA707784 A ZA 707784A ZA 707784 B ZA707784 B ZA 707784B
Authority
ZA
South Africa
Prior art keywords
conference circuit
conference
circuit
Prior art date
Application number
ZA707784A
Other languages
English (en)
Inventor
W Yuan
J Cowan
Original Assignee
Standard Telephones Cables Ltd
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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of ZA707784B publication Critical patent/ZA707784B/xx

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
ZA707784A 1969-12-05 1970-11-18 Conference circuit ZA707784B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88280269A 1969-12-05 1969-12-05

Publications (1)

Publication Number Publication Date
ZA707784B true ZA707784B (en) 1971-08-25

Family

ID=25381362

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA707784A ZA707784B (en) 1969-12-05 1970-11-18 Conference circuit

Country Status (3)

Country Link
ES (1) ES386184A1 (xx)
GB (1) GB1277188A (xx)
ZA (1) ZA707784B (xx)

Also Published As

Publication number Publication date
GB1277188A (en) 1972-06-07
ES386184A1 (es) 1973-03-16

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