IT1218851B - Circuito integrato per la trasmissione di segnali di tipo telefonico, con limitazione d'ampiezza dei picchi negativi delle forme d'onda dei segnali trasmessi - Google Patents

Circuito integrato per la trasmissione di segnali di tipo telefonico, con limitazione d'ampiezza dei picchi negativi delle forme d'onda dei segnali trasmessi

Info

Publication number
IT1218851B
IT1218851B IT23419/84A IT2341984A IT1218851B IT 1218851 B IT1218851 B IT 1218851B IT 23419/84 A IT23419/84 A IT 23419/84A IT 2341984 A IT2341984 A IT 2341984A IT 1218851 B IT1218851 B IT 1218851B
Authority
IT
Italy
Prior art keywords
signals
waveforms
amplitude
limitation
transmission
Prior art date
Application number
IT23419/84A
Other languages
English (en)
Other versions
IT8423419A0 (it
Inventor
Marco Siligoni
Pietro Consiglio
Original Assignee
Ates Componenti Elettron
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 Ates Componenti Elettron filed Critical Ates Componenti Elettron
Priority to IT23419/84A priority Critical patent/IT1218851B/it
Publication of IT8423419A0 publication Critical patent/IT8423419A0/it
Priority to US06/790,971 priority patent/US4756022A/en
Priority to DE3538620A priority patent/DE3538620C2/de
Priority to GB08526884A priority patent/GB2167271B/en
Priority to JP60243012A priority patent/JPH0654924B2/ja
Priority to FR8516186A priority patent/FR2572608B1/fr
Application granted granted Critical
Publication of IT1218851B publication Critical patent/IT1218851B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/583—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a bridge network
    • H04B1/585—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a bridge network with automatic balancing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits
    • H04M1/585—Anti-side-tone circuits implemented without inductive element

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephone Function (AREA)
IT23419/84A 1984-10-31 1984-10-31 Circuito integrato per la trasmissione di segnali di tipo telefonico, con limitazione d'ampiezza dei picchi negativi delle forme d'onda dei segnali trasmessi IT1218851B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT23419/84A IT1218851B (it) 1984-10-31 1984-10-31 Circuito integrato per la trasmissione di segnali di tipo telefonico, con limitazione d'ampiezza dei picchi negativi delle forme d'onda dei segnali trasmessi
US06/790,971 US4756022A (en) 1984-10-31 1985-10-24 Integrated circuit for the transmission of telephone signals
DE3538620A DE3538620C2 (de) 1984-10-31 1985-10-30 Integrierte Schaltung für das Senden von Telefonsignalen mit Amplitudenbegrenzung der negativen Spitzen der Wellenformen der Sendesignale
GB08526884A GB2167271B (en) 1984-10-31 1985-10-31 Improvements in or relating to signal transmission circuits
JP60243012A JPH0654924B2 (ja) 1984-10-31 1985-10-31 信号伝送用集積回路
FR8516186A FR2572608B1 (fr) 1984-10-31 1985-10-31 Circuit integre pour la transmission de signaux de type telephonique, avec limitation d'amplitude des pics negatifs des formes d'onde des signaux transmis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23419/84A IT1218851B (it) 1984-10-31 1984-10-31 Circuito integrato per la trasmissione di segnali di tipo telefonico, con limitazione d'ampiezza dei picchi negativi delle forme d'onda dei segnali trasmessi

Publications (2)

Publication Number Publication Date
IT8423419A0 IT8423419A0 (it) 1984-10-31
IT1218851B true IT1218851B (it) 1990-04-24

Family

ID=11206926

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23419/84A IT1218851B (it) 1984-10-31 1984-10-31 Circuito integrato per la trasmissione di segnali di tipo telefonico, con limitazione d'ampiezza dei picchi negativi delle forme d'onda dei segnali trasmessi

Country Status (6)

Country Link
US (1) US4756022A (it)
JP (1) JPH0654924B2 (it)
DE (1) DE3538620C2 (it)
FR (1) FR2572608B1 (it)
GB (1) GB2167271B (it)
IT (1) IT1218851B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831650A (en) * 1988-05-16 1989-05-16 Palco Telecom, Inc. Adaptive telephone receive control

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB944762A (en) * 1961-03-20 1963-12-18 Ass Elect Ind Improvements relating to self-regulating two-terminal impedance networks and their use in telephone system substation circuits
US3238382A (en) * 1963-05-10 1966-03-01 Data Control Systems Inc Clipping circuit producing rectangular output independent of input signal waveshape
US3566285A (en) * 1968-07-26 1971-02-23 Bell Telephone Labor Inc Pitch synchronous reduction of signal envelope
FR2055900A5 (it) * 1969-08-05 1971-05-14 Ericsson Telefon Ab L M
US3711660A (en) * 1969-12-04 1973-01-16 Univ Monash Hybrid networks
US4031331A (en) * 1976-01-15 1977-06-21 Northern Electric Company Limited Telephone speech network
US4071713A (en) * 1976-12-27 1978-01-31 Northern Telecom Limited Telephone speech network
US4227095A (en) * 1978-06-30 1980-10-07 King Radio Corporation Deviation driver circuit
IT1100052B (it) * 1978-11-03 1985-09-28 Sgs Ares Componenti Elettronic Amplificatore lineare differenziale con entrate collegabili ad uno dei poli di alimentazione ed uscita single-ended
US4354060A (en) * 1979-07-26 1982-10-12 Stromberg-Carlson Corporation Electronic telephone
US4476350A (en) * 1981-02-17 1984-10-09 Bell Telephone Laboratories, Incorporated Battery feed circuit
DE3116262A1 (de) * 1981-04-24 1982-11-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "schaltungsanordnung zur erzeugung von steuergroessen aus dem schleifenstrom"
US4506113A (en) * 1982-03-04 1985-03-19 International Standard Electric Corporation Waveform clipping circuits
US4577064A (en) * 1983-04-29 1986-03-18 Gte Lenkurt Incorporated Auto-balance circuit for battery feed in a telephone circuit
US4644579A (en) * 1984-06-28 1987-02-17 International Standard Electric Corporation Shunt regulator for hands-free telephone
US4608462A (en) * 1984-06-29 1986-08-26 International Standard Electric Corporation Telephone instrument circuit

Also Published As

Publication number Publication date
IT8423419A0 (it) 1984-10-31
GB2167271A (en) 1986-05-21
DE3538620A1 (de) 1986-04-30
GB2167271B (en) 1988-12-07
GB8526884D0 (en) 1985-12-04
FR2572608B1 (fr) 1988-03-25
JPS61108244A (ja) 1986-05-26
DE3538620C2 (de) 1996-10-24
FR2572608A1 (fr) 1986-05-02
US4756022A (en) 1988-07-05
JPH0654924B2 (ja) 1994-07-20

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971030