ES439673A1 - Perfeccionamientos en supresores de ecos para circuitos de conversacion en sistemas de transmision de cuatro hilos. - Google Patents

Perfeccionamientos en supresores de ecos para circuitos de conversacion en sistemas de transmision de cuatro hilos.

Info

Publication number
ES439673A1
ES439673A1 ES439673A ES439673A ES439673A1 ES 439673 A1 ES439673 A1 ES 439673A1 ES 439673 A ES439673 A ES 439673A ES 439673 A ES439673 A ES 439673A ES 439673 A1 ES439673 A1 ES 439673A1
Authority
ES
Spain
Prior art keywords
path
conversation
reception
emission
attenuation
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
Application number
ES439673A
Other languages
English (en)
Spanish (es)
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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
Priority claimed from DE19742435607 external-priority patent/DE2435607C3/de
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of ES439673A1 publication Critical patent/ES439673A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
ES439673A 1974-07-24 1975-07-23 Perfeccionamientos en supresores de ecos para circuitos de conversacion en sistemas de transmision de cuatro hilos. Expired ES439673A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742435607 DE2435607C3 (de) 1974-07-24 Echosperre

Publications (1)

Publication Number Publication Date
ES439673A1 true ES439673A1 (es) 1977-03-01

Family

ID=5921407

Family Applications (1)

Application Number Title Priority Date Filing Date
ES439673A Expired ES439673A1 (es) 1974-07-24 1975-07-23 Perfeccionamientos en supresores de ecos para circuitos de conversacion en sistemas de transmision de cuatro hilos.

Country Status (10)

Country Link
JP (1) JPS5433087B2 (enExample)
AU (1) AU471927B2 (enExample)
ES (1) ES439673A1 (enExample)
FR (1) FR2280262A1 (enExample)
GB (1) GB1510162A (enExample)
IL (1) IL47682A (enExample)
IT (1) IT1039912B (enExample)
NL (1) NL7508871A (enExample)
SE (1) SE7508385L (enExample)
ZA (1) ZA754467B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942116A (en) * 1975-03-13 1976-03-02 California Microwave, Inc. Transceiver having improved voice actuated carrier and echo suppression circuit
JPS6050092B2 (ja) * 1977-11-08 1985-11-06 ケイディディ株式会社 適応制御型反響阻止装置
DE2967644D1 (en) * 1979-09-17 1987-01-29 Eci Telecom Ltd Apparatus for use in telephone communication

Also Published As

Publication number Publication date
FR2280262B1 (enExample) 1979-06-15
DE2435607B2 (de) 1976-05-20
IT1039912B (it) 1979-12-10
AU8290775A (en) 1976-05-06
NL7508871A (nl) 1976-01-27
AU471927B2 (en) 1976-05-06
SE7508385L (sv) 1976-01-26
FR2280262A1 (fr) 1976-02-20
JPS5433087B2 (enExample) 1979-10-18
GB1510162A (en) 1978-05-10
IL47682A (en) 1977-07-31
IL47682A0 (en) 1975-10-15
JPS5136806A (enExample) 1976-03-27
DE2435607A1 (de) 1976-02-05
ZA754467B (en) 1976-06-30

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