ES393619A1 - Sistema de suspension de las mutuas perturbaciones ocasio- nadas por el emisor y receptor de un circuito telefonico. - Google Patents

Sistema de suspension de las mutuas perturbaciones ocasio- nadas por el emisor y receptor de un circuito telefonico.

Info

Publication number
ES393619A1
ES393619A1 ES393619A ES393619A ES393619A1 ES 393619 A1 ES393619 A1 ES 393619A1 ES 393619 A ES393619 A ES 393619A ES 393619 A ES393619 A ES 393619A ES 393619 A1 ES393619 A1 ES 393619A1
Authority
ES
Spain
Prior art keywords
telephone
transformer
square wave
reception
circuit
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
ES393619A
Other languages
English (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.)
BAROK
Original Assignee
BAROK
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 FR7029610A priority Critical patent/FR2102614A5/fr
Application filed by BAROK filed Critical BAROK
Publication of ES393619A1 publication Critical patent/ES393619A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Interconnection arrangements not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for suppressing echoes or otherwise conditioning for one or other direction of traffic
ES393619A 1970-08-06 1971-07-24 Sistema de suspension de las mutuas perturbaciones ocasio- nadas por el emisor y receptor de un circuito telefonico. Expired ES393619A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7029610A FR2102614A5 (es) 1970-08-06 1970-08-06

Publications (1)

Publication Number Publication Date
ES393619A1 true ES393619A1 (es) 1974-07-01

Family

ID=9060098

Family Applications (1)

Application Number Title Priority Date Filing Date
ES393619A Expired ES393619A1 (es) 1970-08-06 1971-07-24 Sistema de suspension de las mutuas perturbaciones ocasio- nadas por el emisor y receptor de un circuito telefonico.

Country Status (8)

Country Link
US (1) US3787621A (es)
BE (1) BE770227A (es)
CA (1) CA976287A (es)
CH (1) CH546524A (es)
DE (1) DE2136313A1 (es)
ES (1) ES393619A1 (es)
FR (1) FR2102614A5 (es)
GB (1) GB1360227A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2314631B1 (es) * 1975-06-11 1977-12-09 Jeumont Schneider
FR2376576B1 (es) * 1976-12-31 1981-11-27 Girard J Philippe
JPS5751789B2 (es) * 1977-12-27 1982-11-04
DE3213968C2 (es) * 1982-04-16 1984-06-14 Deutsche Fernsprecher Gesellschaft Mbh Marburg, 3550 Marburg, De
US4715062A (en) * 1985-03-22 1987-12-22 Tie/Communications, Inc. Speakerphone control circuit having low gain states and method for controlling gain of speakerphone
FI78373C (fi) * 1988-01-18 1989-07-10 Sostel Oy Telefontrafik- eller dataoeverfoeringssystem.
US5020101A (en) * 1989-04-10 1991-05-28 Gregory R. Brotz Musicians telephone interface

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL245570A (es) * 1958-12-29
US3594507A (en) * 1969-10-22 1971-07-20 William T Clark Feedback eliminating device for audio amplifying systems
US3665106A (en) * 1970-04-28 1972-05-23 Research Corp Intercommunication system

Also Published As

Publication number Publication date
CA976287A (en) 1975-10-14
DE2136313A1 (es) 1972-02-10
CH546524A (fr) 1974-02-28
BE770227A (fr) 1971-12-01
FR2102614A5 (es) 1972-04-07
BE770227A1 (es)
CA976287A1 (es)
US3787621A (en) 1974-01-22
GB1360227A (en) 1974-07-17

Similar Documents

Publication Publication Date Title
SU694108A3 (ru) Устройство дл преобразовани цветного телевизионного сигнала системы
GB744356A (en) Improvements in or relating to electric circuits for combining items of intelligence
GB725232A (en) System for transmitting signals in two directions
JPH01319360A (en) Voice conference equipment
GB1458018A (en) Floating couplers in a sonobuoy receiver
GB709350A (en) Improvements in or relating to automatic telephone systems
JPH04227311A (en) Nonlinear transmission line
JPS5853358B2 (es)
GB809214A (en) Temperature-compensated direct-current amplifier
GB1397452A (en) Threshold logic gate circuits employing field-effect transistors
DE2357323A1 (de) Abtast- und haltekreis
GB1359700A (en) Simultaneous digital transmission in both directions over one line
GB1028878A (en) Static frequency converter
GB641279A (en) Improvements in or relating to circuit-arrangements for influencing electrically thepropagation constant of a network
DE2608582A1 (de) Filterschaltung fuer elektrische signale, bestehend aus elektronischen ctd-leitungen
GB1131057A (en) Timing circuits
GB1520143A (en) Elastic surface wave filter
GB656023A (en) Improvements in time division multiplex communication systems
GB747711A (en) Improvements in digital calculating machines
DE2330263A1 (de) Uebertragungs- und vermittlungsverfahren mit hilfe der amplitudenselektion
GB583511A (en) Improvements in or relating to arrangements for producing electric time modulated impulses
GB945379A (en) Binary trigger
GB580167A (en) Improvements in or relating to secret transmission systems
ES384413A1 (es) Un dispositivo amplificador.
GB901445A (en) Improvements in or relating to pulse-generating arrangements