CH624520A5 - - Google Patents

Download PDF

Info

Publication number: CH624520A5
Authority: CH; Switzerland
Prior art keywords: conference; circuit; signals; signal; circuits
Prior art date: 1976-10-18

Application number

CH1263577A

Other languages

German (de)

English (en)

Inventor

Dieter John Henry Knollman

Original Assignee

Western Electric Co

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.)

1976-10-18

Filing date

1977-10-17

Publication date

1981-07-31

1977-10-17 Application filed by Western Electric Co filed Critical Western Electric Co

1981-07-31 Publication of CH624520A5 publication Critical patent/CH624520A5/de

Links

230000005540 biological transmission Effects 0.000 claims description 49
230000008878 coupling Effects 0.000 claims description 12
238000010168 coupling process Methods 0.000 claims description 12
238000005859 coupling reaction Methods 0.000 claims description 12
239000002131 composite material Substances 0.000 claims description 11
239000003990 capacitor Substances 0.000 description 13
239000011159 matrix material Substances 0.000 description 13
238000000034 method Methods 0.000 description 5
230000003321 amplification Effects 0.000 description 4
238000003199 nucleic acid amplification method Methods 0.000 description 4
238000012546 transfer Methods 0.000 description 4
108010076504 Protein Sorting Signals Proteins 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
238000010586 diagram Methods 0.000 description 3
230000002787 reinforcement Effects 0.000 description 3
238000004458 analytical method Methods 0.000 description 2
230000001939 inductive effect Effects 0.000 description 2
230000008569 process Effects 0.000 description 2
230000001172 regenerating effect Effects 0.000 description 2
230000004044 response Effects 0.000 description 2
230000008033 biological extinction Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000010606 normalization Methods 0.000 description 1
230000010355 oscillation Effects 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
239000000047 product Substances 0.000 description 1
108090000623 proteins and genes Proteins 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
238000005070 sampling Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
230000008054 signal transmission Effects 0.000 description 1
238000005728 strengthening Methods 0.000 description 1
230000002459 sustained effect Effects 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Telephonic Communication Services (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)

CH1263577A 1976-10-18 1977-10-17 CH624520A5 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/733,380 US4049920A (en)	1976-10-18	1976-10-18	Analog signal summing conference circuit

Publications (1)

Publication Number	Publication Date
CH624520A5 true CH624520A5 (fr)	1981-07-31

Family

ID=24947369

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1263577A CH624520A5 (fr)	1976-10-18	1977-10-17

Country Status (10)

Country	Link
US (1)	US4049920A (fr)
JP (1)	JPS5915548B2 (fr)
CA (1)	CA1090927A (fr)
CH (1)	CH624520A5 (fr)
DE (1)	DE2746624C2 (fr)
FR (1)	FR2368186A1 (fr)
GB (1)	GB1562937A (fr)
IT (1)	IT1087789B (fr)
NL (1)	NL7711366A (fr)
SE (1)	SE7711282L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4126814A1 (de) *	1991-08-09	1993-02-11	Deutsche Telephonwerk Kabel	Schaltungsanordnung fuer eine konferenzeinrichtung

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7807043A (nl) *	1977-07-19	1979-01-23	Siemens Ag	Schakelinichting voor het omzetten van analoge signalen in digitale signalen en omgekeerd.
US4253000A (en) *	1979-01-18	1981-02-24	Rolm Corporation	Method and system for reducing conference bridge oscillations
US4293946A (en) *	1979-11-21	1981-10-06	International Telephone And Telegraph Corporation	Trilateral duplex path conferencing system with broadcast capability
US4340960A (en) *	1980-07-25	1982-07-20	Bell Telephone Laboratories, Incorporated	Time division switching system
NL8006518A (nl) *	1980-12-01	1982-07-01	Philips Nv	Conferentiestelsel voor telefonie.
GB2110057B (en) *	1981-10-22	1986-06-25	Bloomfield James Warman	Improvements in and relating to telephone conference amplifiers, and telephone conference bridges incorporating the same
US4558180A (en) *	1983-10-25	1985-12-10	At&T Bell Laboratories	Programmable audio mixer
SE449152B (sv) *	1986-03-19	1987-04-06	Paul Gosta Wilhelm Rosen	Kommunikationsanleggning innefattande ett flertal enheter vilka kan uppretthalla en konferenskoppling
US5231629A (en) *	1990-10-01	1993-07-27	Motorola, Inc.	Full-duplex communication system
JPH069555U (ja) *	1992-07-14	1994-02-08	株式会社河合楽器製作所	収納ケース
US20040190701A1 (en) *	2003-03-28	2004-09-30	Versatel Networks Inc.	Apparatus and method for a distributed conference bridge

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3108157A (en) *	1959-06-15	1963-10-22	Bell Telephone Labor Inc	Multiple station communication circuit
CH408129A (de) *	1963-11-17	1966-02-28	Standard Telephon & Radio Ag	Konferenzschaltung für Telephon- Teilnehmer
CH489161A (de) *	1963-11-17	1970-04-15	Standard Telephon & Radio Ag	Konferenzschaltung für Telephon-Teilnehmer
NL7016339A (fr) *	1970-11-09	1972-05-12
JPS5544752B2 (fr) *	1973-02-01	1980-11-13
US3835259A (en) *	1973-03-22	1974-09-10	Bell Telephone Labor Inc	Time division conference hybrid circuit
US3828146A (en) *	1973-03-22	1974-08-06	Bell Telephone Labor Inc	Time division conference hybrid circuit
JPS5052064A (fr) *	1973-09-11	1975-05-09
US3843636A (en) *	1974-01-25	1974-10-22	Morton Norwich Products Inc	1-(5-(p-methoxyphenyl)furfurylidene)amino)hydantoin
US3857835A (en) *	1974-01-25	1974-12-31	Morton Norwich Products Inc	1-(5-(p-nitro phenyl)furfurylidene) amino)-5,6-dihydrouracil
US3882276A (en) *	1974-03-22	1975-05-06	Bell Telephone Labor Inc	Conferencing system utilizing oppositely phased hybrids
US3991280A (en) *	1975-05-23	1976-11-09	Bell Telephone Laboratories, Incorporated	Monobus variable resistance transmission circuit

1976
- 1976-10-18 US US05/733,380 patent/US4049920A/en not_active Expired - Lifetime
1977
- 1977-10-07 SE SE7711282A patent/SE7711282L/ not_active Application Discontinuation
- 1977-10-12 GB GB42429/77A patent/GB1562937A/en not_active Expired
- 1977-10-17 CA CA288,890A patent/CA1090927A/fr not_active Expired
- 1977-10-17 DE DE2746624A patent/DE2746624C2/de not_active Expired
- 1977-10-17 NL NL7711366A patent/NL7711366A/xx not_active Application Discontinuation
- 1977-10-17 CH CH1263577A patent/CH624520A5/de not_active IP Right Cessation
- 1977-10-17 FR FR7731170A patent/FR2368186A1/fr active Granted
- 1977-10-17 IT IT28683/77A patent/IT1087789B/it active
- 1977-10-18 JP JP52124124A patent/JPS5915548B2/ja not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4126814A1 (de) *	1991-08-09	1993-02-11	Deutsche Telephonwerk Kabel	Schaltungsanordnung fuer eine konferenzeinrichtung

Also Published As

Publication number	Publication date
DE2746624A1 (de)	1978-04-20
CA1090927A (fr)	1980-12-02
IT1087789B (it)	1985-06-04
SE7711282L (sv)	1978-04-19
NL7711366A (nl)	1978-04-20
US4049920A (en)	1977-09-20
FR2368186B1 (fr)	1982-02-19
GB1562937A (en)	1980-03-19
FR2368186A1 (fr)	1978-05-12
JPS5915548B2 (ja)	1984-04-10
DE2746624C2 (de)	1983-10-27
JPS5350603A (en)	1978-05-09

Similar Documents

Publication	Publication Date	Title
DE2351104C3 (de)	1981-10-01	Nach dem Zeitmultiplexverfahren arbeitende Fernsprechvermittlungsanlage
CH624520A5 (fr)	1981-07-31
DE2852864A1 (de)	1979-06-21	Fernsprech-endgeraet mit einem mikrophon und einem lautsprecher
DE2413075C3 (de)	1980-09-11	Konferenzbrückenschaltung
DE2734941A1 (de)	1978-02-16	Echoausloescheinrichtung
DE69325357T2 (de)	1999-12-16	Eine Technik zur Reduzierung von Echos in Konferenzkommunikationen
EP0246546B1 (fr)	1991-05-29	Circuit d'abonné téléphonique
DE2928265C2 (de)	1985-07-04	Konferenzschaltung
DE3427139C2 (de)	1986-04-24	Einrichtung zur Übertragung von Daten über eine Fernsprechleitung
DE2557797A1 (de)	1976-06-24	Zeitmultiplex-vermittlungsanlage
DE3000858C2 (de)	1986-11-13	Tastengesteuerte Wechsel-, Gegen- oder Lautsprechanlage
DE2728854A1 (de)	1978-01-05	Doppelt gerichtetes sprachsignal- steuergeraet
DE1176190B (de)	1964-08-20	Digitales Nachrichtenuebertragungssystem, insbesondere fuer Pulskodemodulations-Fernsprechsignaluebertragung
DE2542834C2 (fr)	1977-06-23
DE2740104C2 (de)	1983-04-21	Fernmeldeanlage mit einem zentralgesteuerten Koppelfeld
DE2542834B1 (de)	1976-11-11	Schaltungsanordnung fuer Personensucheinrichtungen in Fernsprechanlagen,insbesondere in Fernsprechnebenstellenanlagen,mit mehreren Suchuebertragungen mit Melderueckruf zum Vermittlungsplatz
DE2622568A1 (de)	1976-12-09	Schaltung zur schnittstellenbildung
DE2239770A1 (de)	1973-03-01	Multiplex - vorrichtung zur echounterdrueckung fuer mehrere fernsprechuebertragungskanaele
EP0613282A1 (fr)	1994-08-31	Circuit pour l'établissement de conférence dans une central numérique à multiplexage temporel
DE3144267C2 (de)	1984-08-30	Verfahren und Schaltungsanordnung zum Aufbau von Konferenzverbindungen in Fernmeldeanlagen
DE2753361C2 (de)	1983-12-22	Gabelschaltung mit aktiven Elementen für den Übergang von Zweidraht- auf Vierdrahtleitungen und umgekehrt
EP0357819B1 (fr)	1995-01-18	Circuit pour l'établissement de conférences téléphoniques dans un central téléphonique numérique à multiplexage temporel
DE10254650B3 (de)	2004-05-06	Verfahren zur Einleitung einer Datenübertragung
DE1512079C (de)	1971-09-09	Schaltungsanordnung für Fernsprechvermittlungsanlagen , an welche Nebenstellenanlagen und Einzelteilnehmer angeschaltet sind
DE2061992C3 (de)	1977-09-15	Fernsprechanlage mit einer mindestens eine Konzentrationskoppelstufe aufweisenden Vermittlungseinrichtung

Legal Events

Date	Code	Title	Description
1984-06-29	PL	Patent ceased
2024-10-31	PL	Patent ceased