NL7713405A - Telefoontoestel. - Google Patents

Telefoontoestel.

Info

Publication number: NL7713405A
Authority: NL; Netherlands
Prior art keywords: telephone set; telephone
Prior art date: 1976-12-03

Application number

NL7713405A

Other languages

English (en)

Other versions

NL187662C (nl

NL187662B (nl

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.)

1976-12-03

Filing date

1977-12-02

Publication date

1978-06-06

1976-12-03 Priority claimed from IT3005076A external-priority patent/IT1065163B/it

1977-09-23 Priority claimed from IT2786077A external-priority patent/IT1114420B/it

1977-12-02 Application filed by Ates Componenti Elettron filed Critical Ates Componenti Elettron

1978-06-06 Publication of NL7713405A publication Critical patent/NL7713405A/nl

1991-07-01 Publication of NL187662B publication Critical patent/NL187662B/nl

1991-12-02 Application granted granted Critical

1991-12-02 Publication of NL187662C publication Critical patent/NL187662C/nl

Classifications

- 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)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Interface Circuits In Exchanges (AREA)
Telephone Function (AREA)

NLAANVRAGE7713405,A 1976-12-03 1977-12-02 Schakeling voor het koppelen van een tot een telefoontoestel behorende microfoon en telefoon met een abonneelijn. NL187662C (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT3005076A IT1065163B (it)	1976-12-03	1976-12-03	Circuito trasmittente e ricevente per apparecchio telefonico d'utente
IT2786077A IT1114420B (it)	1977-09-23	1977-09-23	Circuito trasmittente e ricevente per apparecchio telefonico d'utente con dispositivo elettronico di segnalazione

Publications (3)

Publication Number	Publication Date
NL7713405A true NL7713405A (nl)	1978-06-06
NL187662B NL187662B (nl)	1991-07-01
NL187662C NL187662C (nl)	1991-12-02

Family

ID=26328748

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7713405,A NL187662C (nl)	1976-12-03	1977-12-02	Schakeling voor het koppelen van een tot een telefoontoestel behorende microfoon en telefoon met een abonneelijn.

Country Status (8)

Country	Link
US (1)	US4146753A (nl)
JP (1)	JPS5816782B2 (nl)
BR (1)	BR7707915A (nl)
DE (1)	DE2753130C3 (nl)
FR (1)	FR2373200A1 (nl)
GB (1)	GB1546046A (nl)
NL (1)	NL187662C (nl)
SE (1)	SE440303B (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4332984A (en) *	1979-12-13	1982-06-01	Bell Telephone Laboratories, Incorporated	Active speech network circuit for a telephone set
FR2478412A1 (fr) *	1980-03-14	1981-09-18	Radiotechnique Compelec	Procede pour adapter automatiquement des circuits electroniques de postes telephoniques a la resistance de la ligne, et poste comportant des circuits auto-adaptes
JPS6041909B2 (ja) *	1980-03-26	1985-09-19	日本電気株式会社	電話機通話回路網
FR2538648A1 (fr) *	1982-12-28	1984-06-29	Thomson Csf	Circuit de suppression de signal de microphone pour poste telephonique
GB8319786D0 (en) *	1983-07-22	1983-08-24	Plessey Co Plc	Adaptive line hybrids
CA1240089A (en) *	1985-12-13	1988-08-02	Mitel Networks Corporation	Circuit for maintaining hybrid cancellation of signals in a communication system
BE905921A (nl) *	1986-12-16	1987-06-16	Bell Telephone Mfg	Telecommunicatie-inrichting en daarin gebruikte ketens.
US5282157A (en) *	1990-09-13	1994-01-25	Telecom Analysis Systems, Inc.	Input impedance derived from a transfer network
JPH09167931A (ja) *	1995-12-15	1997-06-24	Brother Ind Ltd	通信装置の入出力回路

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3546395A (en) *	1968-01-15	1970-12-08	Bell Telephone Labor Inc	Active telephone set speech network employing transistor feedback loop for sidetone balance and equalization
DE1762804B2 (de) *	1968-08-29	1972-01-20	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Schaltungsanordnung zur regelung der sende und empfangsbezugs daempfung einer teilnehmerstation einer fernsprechanlage
DE1919111B1 (de) *	1969-04-15	1970-10-29	Siemens Ag	Schaltungsanordnung fuer einen Transistorhoerverstaerker mit Daempfungsausgleich in Fernsprechteilnehmerstellen
US3711660A (en) *	1969-12-04	1973-01-16	Univ Monash	Hybrid networks
JPS495645B1 (nl) *	1970-02-07	1974-02-08
JPS5211166B1 (nl) *	1970-07-23	1977-03-29
JPS5148006B1 (nl) *	1970-09-03	1976-12-18
NL7115947A (nl) *	1971-11-19	1973-05-22
BE792329A (fr) *	1971-12-09	1973-06-06	Int Standard Electric Corp	Circuit de transmission electronique pour poste telephonique
CH549914A (de) *	1972-03-10	1974-05-31	Zellweger Uster Ag	Uebertragungseinrichtung mit einer gabelschaltung.
SE380699B (sv) *	1974-03-05	1975-11-10	Ericsson Telefon Ab L M	Elektronisk talkrets for en centralbatterimatad telefonapparat.
US4031331A (en) *	1976-01-15	1977-06-21	Northern Electric Company Limited	Telephone speech network
BE841105A (nl) *	1976-04-26	1976-10-26		Telekommunikatie toestel
US4071713A (en) *	1976-12-27	1978-01-31	Northern Telecom Limited	Telephone speech network

1977
- 1977-11-16 GB GB47725/77A patent/GB1546046A/en not_active Expired
- 1977-11-29 BR BR7707915A patent/BR7707915A/pt unknown
- 1977-11-29 DE DE2753130A patent/DE2753130C3/de not_active Expired
- 1977-12-01 US US05/856,676 patent/US4146753A/en not_active Expired - Lifetime
- 1977-12-02 FR FR7736279A patent/FR2373200A1/fr active Granted
- 1977-12-02 NL NLAANVRAGE7713405,A patent/NL187662C/nl not_active IP Right Cessation
- 1977-12-02 SE SE7713702A patent/SE440303B/xx not_active IP Right Cessation
- 1977-12-03 JP JP52145623A patent/JPS5816782B2/ja not_active Expired

Also Published As

Publication number	Publication date
GB1546046A (en)	1979-05-16
SE7713702L (sv)	1978-06-04
DE2753130B2 (de)	1979-11-29
SE440303B (sv)	1985-07-22
BR7707915A (pt)	1978-09-05
JPS5391509A (en)	1978-08-11
JPS5816782B2 (ja)	1983-04-02
FR2373200A1 (fr)	1978-06-30
US4146753A (en)	1979-03-27
DE2753130C3 (de)	1987-12-03
NL187662C (nl)	1991-12-02
FR2373200B1 (nl)	1982-05-21
NL187662B (nl)	1991-07-01
DE2753130A1 (de)	1978-06-08

Publication	Publication Date	Title
NL188880C (nl)	1992-10-16	Luidspreker.
NL7807905A (nl)	1979-02-06	Telefoontoestel.
IT7826226A0 (it)	1978-07-28	Casa-natante.
FI73545B (fi)	1987-06-30	Vaexelriktare.
NL186791C (nl)	1991-02-18	Telecommunicatiecentrale.
NL7706404A (nl)	1977-12-13	Luidspreker.
NL7713405A (nl)	1978-06-06	Telefoontoestel.
SE7712613L (sv)	1979-05-13	Telefonapparat
NL7709590A (nl)	1978-03-03	Telefoonstelsel.
IT1087809B (it)	1985-06-04	Altoparlante.
NL7710118A (nl)	1978-03-21	Telecommunicatiecentrale.
ES230876Y (es)	1978-03-16	Esqui-bob.
ES222715Y (es)	1977-03-16	Zapato-patin.
ES223988Y (es)	1977-05-01	Porta-archivadores.
IT1084204B (it)	1985-05-25	Dsviluppatrice.
NL7806818A (nl)	1979-01-09	Telefoontoestel.
NL171005C (nl)	1983-01-17	Telefoonverbindingsstelsel.
DK138827B (da)	1978-11-06	Narresut.
ES219730Y (es)	1977-02-01	Microfono.
IT1081974B (it)	1985-05-21	Posto telefonico
NO780481L (no)	1978-08-15	Telefonapparat.
IT7824213A0 (it)	1978-06-05	Apparecchio telefonico.
ES218416Y (es)	1977-01-16	Candado-precinto.
ES222581Y (es)	1977-03-16	Sillon-lavacabezas.
ES219541Y (es)	1977-02-01	Panal-aposito.

Legal Events

Date	Code	Title	Description
1984-02-01	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1998-02-02	V4	Discontinued because of reaching the maximum lifetime of a patent	Free format text: 971202