NL7109806A - - Google Patents

Info

Publication number
NL7109806A
NL7109806A NL7109806A NL7109806A NL7109806A NL 7109806 A NL7109806 A NL 7109806A NL 7109806 A NL7109806 A NL 7109806A NL 7109806 A NL7109806 A NL 7109806A NL 7109806 A NL7109806 A NL 7109806A
Authority
NL
Netherlands
Application number
NL7109806A
Other versions
NL162274C (nl
NL162274B (nl
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
Priority to BE786256D priority Critical patent/BE786256A/xx
Application filed filed Critical
Priority to NL7109806.A priority patent/NL162274C/xx
Priority to DE19722232358 priority patent/DE2232358C3/de
Priority to US00270151A priority patent/US3794763A/en
Priority to AU44375/72A priority patent/AU470286B2/en
Priority to DK348272A priority patent/DK133220C/da
Priority to SE7209164A priority patent/SE372681B/xx
Priority to CA146,905A priority patent/CA957076A/en
Priority to GB3256972A priority patent/GB1403217A/en
Priority to CH1044672A priority patent/CH550515A/xx
Priority to AT603372A priority patent/AT342660B/de
Priority to JP47071207A priority patent/JPS5740696B1/ja
Priority to FR7225702A priority patent/FR2145728B1/fr
Publication of NL7109806A publication Critical patent/NL7109806A/xx
Publication of NL162274B publication Critical patent/NL162274B/xx
Application granted granted Critical
Publication of NL162274C publication Critical patent/NL162274C/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/17Time-division multiplex systems in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive, e.g. TASI
    • H04J3/175Speech activity or inactivity detectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568Arrangements 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
    • H04M3/569Arrangements 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/085Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using digital techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Analogue/Digital Conversion (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transceivers (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
NL7109806.A 1971-07-15 1971-07-15 Spraakgestuurde schakelinrichting. NL162274C (nl)

Priority Applications (13)

Application Number Priority Date Filing Date Title
BE786256D BE786256A (fr) 1971-07-15 Dispositif de commutation commande par des signaux
NL7109806.A NL162274C (nl) 1971-07-15 1971-07-15 Spraakgestuurde schakelinrichting.
DE19722232358 DE2232358C3 (de) 1971-07-15 1972-07-01 Schaltungsanordnung zur Verhinderung der akustischen Rückkopplung in einem Übertragungssystem mit Impulsdeltamodulation in einer FernsprechinsbesondereFernsprech-Vermittlungsanlage
AU44375/72A AU470286B2 (en) 1971-07-15 1972-07-10 Speech-controlled switching arrangement
US00270151A US3794763A (en) 1971-07-15 1972-07-10 Speech-controlled switching arrangement
SE7209164A SE372681B (https=) 1971-07-15 1972-07-12
DK348272A DK133220C (da) 1971-07-15 1972-07-12 Talestyret omskifteranleg
CA146,905A CA957076A (en) 1971-07-15 1972-07-12 Speech-controlled switching arrangement
GB3256972A GB1403217A (en) 1971-07-15 1972-07-12 Speech-controlled switching arrangement
CH1044672A CH550515A (de) 1971-07-15 1972-07-12 Schaltungsanordnung fuer fernmeldesysteme mit kodemodulation.
AT603372A AT342660B (de) 1971-07-15 1972-07-13 Von digital kondierten gesprachssignalen gesteuerte schaltvorrichtung
JP47071207A JPS5740696B1 (https=) 1971-07-15 1972-07-15
FR7225702A FR2145728B1 (https=) 1971-07-15 1972-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7109806.A NL162274C (nl) 1971-07-15 1971-07-15 Spraakgestuurde schakelinrichting.

Publications (3)

Publication Number Publication Date
NL7109806A true NL7109806A (https=) 1973-01-17
NL162274B NL162274B (nl) 1979-11-15
NL162274C NL162274C (nl) 1980-04-15

Family

ID=19813622

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7109806.A NL162274C (nl) 1971-07-15 1971-07-15 Spraakgestuurde schakelinrichting.

Country Status (12)

Country Link
US (1) US3794763A (https=)
JP (1) JPS5740696B1 (https=)
AT (1) AT342660B (https=)
AU (1) AU470286B2 (https=)
BE (1) BE786256A (https=)
CA (1) CA957076A (https=)
CH (1) CH550515A (https=)
DK (1) DK133220C (https=)
FR (1) FR2145728B1 (https=)
GB (1) GB1403217A (https=)
NL (1) NL162274C (https=)
SE (1) SE372681B (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615380A (en) * 1969-11-24 1997-03-25 Hyatt; Gilbert P. Integrated circuit computer system having a keyboard input and a sound output
US4028506A (en) * 1973-12-12 1977-06-07 Nippon Electric Company, Ltd. Maximum value tracing circuit for digitized voice signals
US3944743A (en) * 1974-01-07 1976-03-16 Plantronics, Inc. Method and apparatus for feedback suppression
US3931480A (en) * 1974-09-04 1976-01-06 Gte Sylvania Incorporated Time compression receiver
NO134477C (https=) * 1974-10-29 1976-10-13 Manus Max
US3953676A (en) * 1974-12-12 1976-04-27 Northern Electric Company, Limited Digital control of a loudspeaking telephone system
JPS5263165U (https=) * 1975-11-06 1977-05-10
US4052568A (en) * 1976-04-23 1977-10-04 Communications Satellite Corporation Digital voice switch
US4110560A (en) * 1977-11-23 1978-08-29 Gte Sylvania Incorporated Communication apparatus
DE3137314C2 (de) * 1981-09-16 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für sprachgesteuerte Freisprechgeräte
JP2800779B2 (ja) * 1996-05-31 1998-09-21 日本電気株式会社 患者監視システム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524929A (en) * 1967-06-29 1970-08-18 Automatic Elect Lab Telephone conference circuit
US3530247A (en) * 1967-08-29 1970-09-22 Bell Telephone Labor Inc Digital vocoder conference system
US3712959A (en) * 1969-07-14 1973-01-23 Communications Satellite Corp Method and apparatus for detecting speech signals in the presence of noise
US3674936A (en) * 1970-02-26 1972-07-04 Burroughs Corp Voice conference system

Also Published As

Publication number Publication date
NL162274C (nl) 1980-04-15
JPS4820405A (https=) 1973-03-14
FR2145728A1 (https=) 1973-02-23
NL162274B (nl) 1979-11-15
DE2232358B2 (de) 1976-12-02
DE2232358A1 (de) 1973-01-18
US3794763A (en) 1974-02-26
JPS5740696B1 (https=) 1982-08-30
ATA603372A (de) 1977-08-15
GB1403217A (en) 1975-08-28
FR2145728B1 (https=) 1980-02-15
CH550515A (de) 1974-06-14
AU470286B2 (en) 1976-03-11
DK133220C (da) 1976-09-06
CA957076A (en) 1974-10-29
BE786256A (fr) 1973-01-15
AT342660B (de) 1978-04-10
AU4437572A (en) 1974-01-17
DK133220B (da) 1976-04-05
SE372681B (https=) 1974-12-23

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee