NO172828C - Transmisjonssystem for telefonkommunikasjon eller dataoverfoering, samt telefonsett - Google Patents

Transmisjonssystem for telefonkommunikasjon eller dataoverfoering, samt telefonsett

Info

Publication number: NO172828C
Authority: NO; Norway
Prior art keywords: telephone communication; phone set; data transmission; transmission system; transmission
Prior art date: 1988-01-18

Application number

NO890132A

Other languages

English (en)

Norwegian (no)

Other versions

NO890132D0 (no

NO172828B (no

NO890132L (no

Inventor

Matti Myllymaeki

Original Assignee

Sostel Oy

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.)

1988-01-18

Filing date

1989-01-12

Publication date

1993-09-08

1989-01-12 Application filed by Sostel Oy filed Critical Sostel Oy

1989-01-12 Publication of NO890132D0 publication Critical patent/NO890132D0/no

1989-07-19 Publication of NO890132L publication Critical patent/NO890132L/no

1993-06-01 Publication of NO172828B publication Critical patent/NO172828B/no

1993-09-08 Publication of NO172828C publication Critical patent/NO172828C/no

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1423—Two-way operation using the same type of signal, i.e. duplex for simultaneous baseband signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/004—Amplitude modulation

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Telephonic Communication Services (AREA)
Telephone Function (AREA)

NO890132A 1988-01-18 1989-01-12 Transmisjonssystem for telefonkommunikasjon eller dataoverfoering, samt telefonsett NO172828C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI880189A FI78373C (fi)	1988-01-18	1988-01-18	Telefontrafik- eller dataoeverfoeringssystem.

Publications (4)

Publication Number	Publication Date
NO890132D0 NO890132D0 (no)	1989-01-12
NO890132L NO890132L (no)	1989-07-19
NO172828B NO172828B (no)	1993-06-01
NO172828C true NO172828C (no)	1993-09-08

Family

ID=8525733

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO890132A NO172828C (no)	1988-01-18	1989-01-12	Transmisjonssystem for telefonkommunikasjon eller dataoverfoering, samt telefonsett

Country Status (6)

Country	Link
US (1)	US4989236A (da)
EP (1)	EP0324975A3 (da)
JP (1)	JPH01245662A (da)
DK (1)	DK18989A (da)
FI (1)	FI78373C (da)
NO (1)	NO172828C (da)

Families Citing this family (31)

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Publication number	Priority date	Publication date	Assignee	Title
JPH02280422A (ja) *	1989-04-20	1990-11-16	Nec Corp	音声会議装置用エコーキャンセラのトレーニング方法
FR2704703B1 (fr) *	1993-04-28	1995-06-30	Gemplus Card Int	Appareil d'exploitation de signaux electriques.
US6389135B1 (en) *	1998-09-25	2002-05-14	Conexant Systems, Inc.	Method and apparatus for deriving power from a clock signal coupled through capacitors
US6556677B1 (en) *	1999-05-27	2003-04-29	William Christopher Hardy	Single-ended echo cancellation system and method
US9244235B2 (en)	2008-10-17	2016-01-26	Foro Energy, Inc.	Systems and assemblies for transferring high power laser energy through a rotating junction
US9360631B2 (en)	2008-08-20	2016-06-07	Foro Energy, Inc.	Optics assembly for high power laser tools
US8627901B1 (en)	2009-10-01	2014-01-14	Foro Energy, Inc.	Laser bottom hole assembly
US9719302B2 (en)	2008-08-20	2017-08-01	Foro Energy, Inc.	High power laser perforating and laser fracturing tools and methods of use
US9074422B2 (en)	2011-02-24	2015-07-07	Foro Energy, Inc.	Electric motor for laser-mechanical drilling
US9664012B2 (en)	2008-08-20	2017-05-30	Foro Energy, Inc.	High power laser decomissioning of multistring and damaged wells
US9080425B2 (en)	2008-10-17	2015-07-14	Foro Energy, Inc.	High power laser photo-conversion assemblies, apparatuses and methods of use
US9138786B2 (en)	2008-10-17	2015-09-22	Foro Energy, Inc.	High power laser pipeline tool and methods of use
US9669492B2 (en)	2008-08-20	2017-06-06	Foro Energy, Inc.	High power laser offshore decommissioning tool, system and methods of use
US9267330B2 (en)	2008-08-20	2016-02-23	Foro Energy, Inc.	Long distance high power optical laser fiber break detection and continuity monitoring systems and methods
RU2522016C2 (ru)	2008-08-20	2014-07-10	Форо Энерджи Инк.	Способ и система для проходки ствола скважины с использованием лазера большой мощности
US9089928B2 (en)	2008-08-20	2015-07-28	Foro Energy, Inc.	Laser systems and methods for the removal of structures
US9027668B2 (en)	2008-08-20	2015-05-12	Foro Energy, Inc.	Control system for high power laser drilling workover and completion unit
US9347271B2 (en) *	2008-10-17	2016-05-24	Foro Energy, Inc.	Optical fiber cable for transmission of high power laser energy over great distances
US8571368B2 (en)	2010-07-21	2013-10-29	Foro Energy, Inc.	Optical fiber configurations for transmission of laser energy over great distances
US9242309B2 (en)	2012-03-01	2016-01-26	Foro Energy Inc.	Total internal reflection laser tools and methods
US10301912B2 (en) *	2008-08-20	2019-05-28	Foro Energy, Inc.	High power laser flow assurance systems, tools and methods
US8783361B2 (en)	2011-02-24	2014-07-22	Foro Energy, Inc.	Laser assisted blowout preventer and methods of use
US8783360B2 (en)	2011-02-24	2014-07-22	Foro Energy, Inc.	Laser assisted riser disconnect and method of use
US8684088B2 (en)	2011-02-24	2014-04-01	Foro Energy, Inc.	Shear laser module and method of retrofitting and use
US8720584B2 (en)	2011-02-24	2014-05-13	Foro Energy, Inc.	Laser assisted system for controlling deep water drilling emergency situations
US9845652B2 (en)	2011-02-24	2017-12-19	Foro Energy, Inc.	Reduced mechanical energy well control systems and methods of use
WO2012024285A1 (en)	2010-08-17	2012-02-23	Foro Energy Inc.	Systems and conveyance structures for high power long distance laster transmission
WO2012116148A1 (en)	2011-02-24	2012-08-30	Foro Energy, Inc.	Method of high power laser-mechanical drilling
EP2715887A4 (en)	2011-06-03	2016-11-23	Foro Energy Inc	PASSIVELY COOLED HIGH ENERGY LASER FIBER ROBUST OPTICAL CONNECTORS AND METHODS OF USE
US9340405B2 (en)	2012-01-26	2016-05-17	Progressive International Electronics Inc.	Fuel transaction tracking system
US10221687B2 (en)	2015-11-26	2019-03-05	Merger Mines Corporation	Method of mining using a laser

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR833596A (fr) *	1937-06-24	1938-10-25		Systèmes de multiplication des communications télégraphiques ou téléphoniques
US2980769A (en) *	1957-05-06	1961-04-18	Westinghouse Electric Corp	Bidirectional multiplex transistor communication apparatus
FR2102614A5 (da) *	1970-08-06	1972-04-07	Barok Albert
NO134477C (da) *	1974-10-29	1976-10-13	Manus Max
DE2644364C3 (de) *	1976-10-01	1981-07-16	Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt	Duplexfähiges Informationsübertragungsverfahren zwischen zwei über einen aus einem Verbindungsweg und einem Rückweg bestehenden Stromkreis miteinander verbundenen Datenstationen
US4326287A (en) *	1980-06-30	1982-04-20	International Business Machines Corp.	Two wire bi-directional digital telephone link
CA1214277A (en) *	1982-12-07	1986-11-18	Josef Dirr	Method for the transmission of information, in which the signals are coded by way of the magnitude of the amplitudes of the half-waves or periods of a sinus- wave alternating current
US4595803A (en) *	1984-02-02	1986-06-17	The United States Of America As Represented By The United States Department Of Energy	Bidirectional amplifier

1988
- 1988-01-18 FI FI880189A patent/FI78373C/fi not_active IP Right Cessation
- 1988-12-24 EP EP19880121664 patent/EP0324975A3/en not_active Withdrawn
1989
- 1989-01-06 US US07/294,390 patent/US4989236A/en not_active Expired - Fee Related
- 1989-01-12 NO NO890132A patent/NO172828C/no unknown
- 1989-01-17 DK DK018989A patent/DK18989A/da not_active Application Discontinuation
- 1989-01-18 JP JP1010941A patent/JPH01245662A/ja active Pending

Also Published As

Publication number	Publication date
US4989236A (en)	1991-01-29
NO890132D0 (no)	1989-01-12
FI880189A0 (fi)	1988-01-18
DK18989D0 (da)	1989-01-17
NO172828B (no)	1993-06-01
EP0324975A3 (en)	1990-11-28
NO890132L (no)	1989-07-19
FI78373C (fi)	1989-07-10
FI78373B (fi)	1989-03-31
DK18989A (da)	1989-07-19
EP0324975A2 (en)	1989-07-26
JPH01245662A (ja)	1989-09-29

Publication	Publication Date	Title
NO172828C (no)	1993-09-08	Transmisjonssystem for telefonkommunikasjon eller dataoverfoering, samt telefonsett
DK16089D0 (da)	1989-01-13	Mobilkommunikationssystem.
NO881341D0 (no)	1988-03-25	Elektronisk datakommunikasjonssystem.
AU590082B2 (en)	1989-10-26	Data communication system and methods
NO871323L (no)	1987-10-01	Lokalt datanettverk-overfoeringssystem.
FI885934A7 (fi)	1989-06-24	Flexibelt datakommunikationssystem.
DE68914287D1 (de)	1994-05-05	Kommunikationssystem.
GB2224141B (en)	1992-10-28	Data communication.
DE69013308D1 (de)	1994-11-17	Datenkommunikationssystem.
DE3889221D1 (de)	1994-05-26	Kommunikationsnetzwerk.
DE3852023D1 (de)	1994-12-08	Kommunikationssystem für die Übertragung von Breitband- und Basisbandinformation.
TR26540A (tr)	1995-03-15	TELEKOMüNIKASYON VE DATA TEKNOLOJISI ICIN BAGLANTI BLOKU.
NO883912D0 (no)	1988-09-01	Overvaake- og meldesystem for dataoverfoering via telefonlinje.
DE3578726D1 (de)	1990-08-23	Datenkommunikationssysteme.
FI896083A7 (fi)	1990-06-21	Dupleksi tietoliikennemenetelmä ja -järjestelmä
DE68915768D1 (de)	1994-07-07	Kommunikationssystem.
DE3750768D1 (de)	1995-01-05	Rechnergesteuertes Kommunikationssystem.
DE3769841D1 (de)	1991-06-13	Digitales kommunikationssystem.
DE69432066D1 (de)	2003-03-06	Telefonsystem und Datenverarbeitungsverfahren mit Fernsprechverzeichnis und Datenkommunikationsfunktion
DE68921259D1 (de)	1995-03-30	Kommunikationssystem.
DE3687178D1 (de)	1993-01-14	Datenkommunikationssystem.
DE69027342D1 (de)	1996-07-18	Bidirektionales Datenkommunikationssystem
GB2206269B (en)	1991-01-30	Data communication network.
NO154150C (no)	1986-07-23	Telefonapparat for transmisjon og mottagelse av digitale data, samt digitalt sloeyfedelingskommunikasjonssystem.
FI894442A7 (fi)	1990-03-21	Voimansiirtojohdon tiedonvälitysjärjestelmä