BR7503049A - TELEPHONE CONFERENCE METHOD - Google Patents

TELEPHONE CONFERENCE METHOD

Info

Publication number
BR7503049A
BR7503049A BR7503890A BR7503890A BR7503049A BR 7503049 A BR7503049 A BR 7503049A BR 7503890 A BR7503890 A BR 7503890A BR 7503890 A BR7503890 A BR 7503890A BR 7503049 A BR7503049 A BR 7503049A
Authority
BR
Brazil
Prior art keywords
telephone conference
conference method
telephone
conference
Prior art date
Application number
BR7503890A
Other languages
Portuguese (pt)
Inventor
G Lecardonnel
P Gravez
M Minck
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BR7503049A publication Critical patent/BR7503049A/en

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
BR7503890A 1974-05-17 1975-05-16 TELEPHONE CONFERENCE METHOD BR7503049A (en)

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 (1)

Publication Number Publication Date
BR7503049A true BR7503049A (en) 1976-04-13

Family

ID=9138987

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7503890A BR7503049A (en) 1974-05-17 1975-05-16 TELEPHONE CONFERENCE METHOD

Country Status (3)

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

Families Citing this family (2)

* 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
FR2536613A3 (en) * 1982-11-18 1984-05-25 Laroche Jean Louis Device for interconnecting transmission lines, in particular telephone lines using a matrix array of resistors.

Also Published As

Publication number Publication date
FR2271726A1 (en) 1975-12-12
BE829158A (en) 1975-11-17
FR2271726B1 (en) 1977-10-14

Similar Documents

Publication Publication Date Title
SE7413047L (en) MICROPHONE
IT1051463B (en) TELECOMMUNICATION SYSTEM
BE826833A (en) CONFERENCE CIRCUIT
SE392557B (en) SUBSCRIBER TELEPHONE
SE384959B (en) PHONE ADDITION
SE7514036L (en) SPEAKING TELEPHONE SYSTEM
NL7509510A (en) TELECOMMUNICATIONS METHOD.
IT1041872B (en) TELEPHONE
NL7500501A (en) TELEPHONE DIALING SYSTEM.
NL7510754A (en) CALL DOMAINERATORS.
DK228675A (en) INSTALLATION PHONE
BR7503049A (en) TELEPHONE CONFERENCE METHOD
NO137803C (en) PROGRAM MEMORY-CONTROLLED TELECOMMUNICATION SYSTEM
SE409537B (en) TELEPHONE SYSTEM
DK199575A (en) TELECOMMUNICATIONS SYSTEM
OA05195A (en) Telephone trunk.
BE829496A (en) CONFERENCE CIRCUIT
SE388523B (en) TELEPHONE
AT350118B (en) TELEPHONE ANSWERING MACHINE
NL7505029A (en) TELECOMMUNICATION EQUIPMENT.
BR7502546A (en) TELEPHONE INTERCOM
AR197453A1 (en) TELEPHONE ARRANGEMENT
SU465285A1 (en) Micro-transmission method
AR201237A1 (en) TELEPHONE DEVICE
SE7502492L (en) TELEPHONE