FR2580882B1 - Dispositif de commande d'activation de microphones pour des systemes de teleconference - Google Patents

Dispositif de commande d'activation de microphones pour des systemes de teleconference

Info

Publication number
FR2580882B1
FR2580882B1 FR8605620A FR8605620A FR2580882B1 FR 2580882 B1 FR2580882 B1 FR 2580882B1 FR 8605620 A FR8605620 A FR 8605620A FR 8605620 A FR8605620 A FR 8605620A FR 2580882 B1 FR2580882 B1 FR 2580882B1
Authority
FR
France
Prior art keywords
control device
activation control
teleconference systems
microphone activation
microphone
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 - Lifetime
Application number
FR8605620A
Other languages
English (en)
French (fr)
Other versions
FR2580882A1 (fr
Inventor
D. Julstrom Stephen
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.)
Shure Inc
Original Assignee
Shure Brothers Inc
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 Shure Brothers Inc filed Critical Shure Brothers Inc
Publication of FR2580882A1 publication Critical patent/FR2580882A1/fr
Application granted granted Critical
Publication of FR2580882B1 publication Critical patent/FR2580882B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/326—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR8605620A 1985-04-19 1986-04-18 Dispositif de commande d'activation de microphones pour des systemes de teleconference Expired - Lifetime FR2580882B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72530285A 1985-04-19 1985-04-19

Publications (2)

Publication Number Publication Date
FR2580882A1 FR2580882A1 (fr) 1986-10-24
FR2580882B1 true FR2580882B1 (fr) 1993-12-10

Family

ID=24913986

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8605620A Expired - Lifetime FR2580882B1 (fr) 1985-04-19 1986-04-18 Dispositif de commande d'activation de microphones pour des systemes de teleconference

Country Status (7)

Country Link
JP (1) JPS61242499A (enrdf_load_stackoverflow)
AT (2) AT388480B (enrdf_load_stackoverflow)
CA (1) CA1256036A (enrdf_load_stackoverflow)
DE (1) DE3612708A1 (enrdf_load_stackoverflow)
FR (1) FR2580882B1 (enrdf_load_stackoverflow)
GB (1) GB2174268B (enrdf_load_stackoverflow)
NL (1) NL193041C (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271948A3 (en) * 1986-12-16 1989-05-03 Alcatel N.V. Telecommunication circuit
DE3734447C1 (de) * 1987-10-12 1989-05-18 Telefonbau & Normalzeit Gmbh Konferenz-Freisprecheinrichtung
DE69224680T2 (de) * 1991-05-29 1998-09-17 Koninkl Philips Electronics Nv Elektroakustische Verstärker-Anordnung und Mikrofonanordnung zur Verwendung in der elektroakustischen Verstärker-Anordnung
KR100233166B1 (ko) * 1997-07-04 1999-12-01 윤종용 다수의 마이크들을 구비하는 핸드 프리 장치 및 그 제어 방법
US11039260B2 (en) 2019-09-19 2021-06-15 Jerry Mirsky Communication system for controlling the sequence and duration of speeches at public debates

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3751602A (en) * 1971-08-13 1973-08-07 Bell Telephone Labor Inc Loudspeaking telephone
JPS4933601A (enrdf_load_stackoverflow) * 1972-07-24 1974-03-28
US4008376A (en) * 1975-10-17 1977-02-15 Bell Telephone Laboratories, Incorporated Loudspeaking teleconferencing circuit
US4090032A (en) * 1976-05-05 1978-05-16 Wm. A. Holmin Corporation Control system for audio amplifying system having multiple microphones
CA1050154A (en) * 1977-01-14 1979-03-06 Conrad D. Lafrance Telephone conferencing apparatus
FR2390864A1 (fr) * 1977-05-09 1978-12-08 France Etat Systeme d'audioconference par liaison telephonique
US4359602A (en) * 1979-01-17 1982-11-16 Ponto Robert A Multiple input audio program system
US4449238A (en) * 1982-03-25 1984-05-15 Bell Telephone Laboratories, Incorporated Voice-actuated switching system
JPS5977710A (ja) * 1982-10-02 1984-05-04 Fujitsu Ltd マイクロホン増巾回路

Also Published As

Publication number Publication date
GB8606874D0 (en) 1986-04-23
AT389202B (de) 1989-11-10
CA1256036A (en) 1989-06-20
JPS61242499A (ja) 1986-10-28
GB2174268B (en) 1989-12-06
NL193041C (nl) 1998-08-04
AT388480B (de) 1989-06-26
DE3612708A1 (de) 1986-10-23
NL193041B (nl) 1998-04-01
ATA172888A (de) 1989-03-15
NL8600996A (nl) 1986-11-17
CA1263608C (enrdf_load_stackoverflow) 1989-12-05
ATA103086A (de) 1988-11-15
GB2174268A (en) 1986-10-29
FR2580882A1 (fr) 1986-10-24

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Legal Events

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CD Change of name or company name
CL Concession to grant licences
TP Transmission of property