FR2271726B1 - - Google Patents

Info

Publication number
FR2271726B1
FR2271726B1 FR7417174A FR7417174A FR2271726B1 FR 2271726 B1 FR2271726 B1 FR 2271726B1 FR 7417174 A FR7417174 A FR 7417174A FR 7417174 A FR7417174 A FR 7417174A FR 2271726 B1 FR2271726 B1 FR 2271726B1
Authority
FR
France
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
FR7417174A
Other languages
French (fr)
Other versions
FR2271726A1 (en
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR7417174A priority Critical patent/FR2271726A1/fr
Priority to GB2007775A priority patent/GB1486868A/en
Priority to BR7503890A priority patent/BR7503049A/pt
Priority to BE2054349A priority patent/BE829158A/xx
Publication of FR2271726A1 publication Critical patent/FR2271726A1/fr
Application granted granted Critical
Publication of FR2271726B1 publication Critical patent/FR2271726B1/fr
Granted 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)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR7417174A 1974-05-17 1974-05-17 Telephonic conference system with speech detector - enables speech from one participant to block all other transmissions Granted FR2271726A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7417174A FR2271726A1 (en) 1974-05-17 1974-05-17 Telephonic conference system with speech detector - enables speech from one participant to block all other transmissions
GB2007775A GB1486868A (en) 1974-05-17 1975-05-13 Conference circuit
BR7503890A BR7503049A (pt) 1974-05-17 1975-05-16 Metodo de conferencia telefonica
BE2054349A BE829158A (fr) 1974-05-17 1975-05-16 Systeme de conference et procede et dispositif de detection de la parole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417174A FR2271726A1 (en) 1974-05-17 1974-05-17 Telephonic conference system with speech detector - enables speech from one participant to block all other transmissions

Publications (2)

Publication Number Publication Date
FR2271726A1 FR2271726A1 (en) 1975-12-12
FR2271726B1 true FR2271726B1 (enExample) 1977-10-14

Family

ID=9138987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417174A Granted FR2271726A1 (en) 1974-05-17 1974-05-17 Telephonic conference system with speech detector - enables speech from one participant to block all other transmissions

Country Status (3)

Country Link
BE (1) BE829158A (enExample)
BR (1) BR7503049A (enExample)
FR (1) FR2271726A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456789A (en) * 1978-03-07 1984-06-26 The Post Office Audio teleconferencing

Also Published As

Publication number Publication date
BR7503049A (pt) 1976-04-13
BE829158A (fr) 1975-11-17
FR2271726A1 (en) 1975-12-12

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Legal Events

Date Code Title Description
TP Transmission of property