BRPI0501452A - Modem - Google Patents

Modem

Info

Publication number
BRPI0501452A
BRPI0501452A BR0501452-2A BRPI0501452A BRPI0501452A BR PI0501452 A BRPI0501452 A BR PI0501452A BR PI0501452 A BRPI0501452 A BR PI0501452A BR PI0501452 A BRPI0501452 A BR PI0501452A
Authority
BR
Brazil
Prior art keywords
receiver
modem
conductor
impedance
receiving
Prior art date
Application number
BR0501452-2A
Other languages
English (en)
Inventor
Steven James Causier
Original Assignee
Vetco Gray Controls Ltd
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 Vetco Gray Controls Ltd filed Critical Vetco Gray Controls Ltd
Publication of BRPI0501452A publication Critical patent/BRPI0501452A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/066—Telephone sets adapted for data transmision
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/56—Circuits for coupling, blocking, or by-passing of signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/58—Repeater circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Communication Control (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Retarders (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

"MODEM". Um modem para receber e transmitir dados de e para um condutor que compreende um acionador de saída para transmitir dados para o condutor, um receptor para receber dados do condutor e um meio de casamento de impedância para casar a impedância de entrada do receptor com a impedância do condutor, em que o ganho do acionador de saída, o ganho do receptor e a impedância de entrada do receptor são todos ajustáveis.
BR0501452-2A 2004-05-01 2005-05-02 Modem BRPI0501452A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0409862A GB2413746B (en) 2004-05-01 2004-05-01 Modem

Publications (1)

Publication Number Publication Date
BRPI0501452A true BRPI0501452A (pt) 2006-01-10

Family

ID=32482595

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0501452-2A BRPI0501452A (pt) 2004-05-01 2005-05-02 Modem

Country Status (5)

Country Link
US (1) US20050243983A1 (pt)
BR (1) BRPI0501452A (pt)
DE (1) DE102005016986B4 (pt)
GB (1) GB2413746B (pt)
NO (1) NO339939B1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7155164B1 (en) 2004-06-03 2006-12-26 Marvell International Ltd. Method and apparatus for performing transmit pre-emphasis
GB2417656B (en) 2004-08-24 2009-02-11 Vetco Gray Controls Ltd Communication apparatus
WO2008011889A1 (en) * 2006-07-24 2008-01-31 Siemens Aktiengesellschaft Method and modem for subsea power line communication
EP2044493B1 (en) * 2006-07-24 2014-10-29 Siemens Aktiengesellschaft Method for controlling an electronic device and electronic device
RU2423788C2 (ru) * 2006-07-24 2011-07-10 Сименс Акциенгезелльшафт Модем, в частности, для подводной связи по линии электропередачи
EP2044824B1 (en) * 2006-07-24 2012-02-01 Siemens Aktiengesellschaft Modem, in particular for subsea power line communication
US20080316004A1 (en) * 2007-06-19 2008-12-25 Kiko Frederick J Powerline communication apparatus and methods
EP2833591A1 (en) * 2013-07-31 2015-02-04 Siemens Aktiengesellschaft Subsea data communication interface unit
CN109302213A (zh) * 2018-10-23 2019-02-01 国网天津市电力公司电力科学研究院 一种用于电力载波通讯的宽带程控衰减器

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BE331749A (pt) * 1925-01-10
GB519426A (en) * 1938-09-20 1940-03-27 Standard Telephones Cables Ltd Improvements in or relating to multi-channel carrier wave transmission systems
GB945163A (en) * 1959-12-31 1963-12-23 British Telecomm Res Ltd Improvements in or relating to electrical signalling systems
US4061883A (en) * 1975-03-20 1977-12-06 Lorain Products Corporation Repeater for transmission lines of differing lengths
US4149030A (en) * 1977-06-17 1979-04-10 Honeywell Inc. Multi-drop communications device
US4277655A (en) * 1978-10-16 1981-07-07 Lear Siegler, Inc. Automatic gain repeater
GB2083964B (en) 1980-09-16 1985-09-11 Post Office A telecommunications system employing optical signals for transmission
US4433378A (en) * 1981-09-28 1984-02-21 Western Digital Chip topography for MOS packet network interface circuit
US4597082A (en) * 1984-03-06 1986-06-24 Controlonics Corporation Transceiver for multi-drop local area networks
US5257290A (en) * 1984-03-06 1993-10-26 Comsource Systems Corporation Transmission line termination of guide-communications wire for guided vehicles
US4794620A (en) 1984-07-06 1988-12-27 International Anasazi, Inc. Radio frequency modem and method
US4815106A (en) 1986-04-16 1989-03-21 Adaptive Networks, Inc. Power line communication apparatus
US4943993A (en) * 1988-02-17 1990-07-24 Fore Don C Cable pair tester
US6104707A (en) * 1989-04-28 2000-08-15 Videocom, Inc. Transformer coupler for communication over various lines
US5533054A (en) * 1993-07-09 1996-07-02 Technitrol, Inc. Multi-level data transmitter
US5727004A (en) 1995-03-14 1998-03-10 Adaptive Networks, Inc. Method and apparatus for data encoding and communication over noisy media
US5646619A (en) * 1995-04-26 1997-07-08 Lucent Technologies Inc. Self-calibrating high speed D/A converter
US5530377A (en) * 1995-07-05 1996-06-25 International Business Machines Corporation Method and apparatus for active termination of a line driver/receiver
US6400822B1 (en) * 1997-10-27 2002-06-04 Texas Instruments Incorporated Linear, optical coupled line impedance circuit
US6341142B2 (en) * 1997-12-16 2002-01-22 Lsi Logic Corporation Serial data transceiver including elements which facilitate functional testing requiring access to only the serial data ports, and an associated test method
US6046638A (en) 1998-03-04 2000-04-04 Nortel Networks Corporation Receive amplifier for reception of high-speed data signals
US6563866B1 (en) * 1999-08-09 2003-05-13 Gutzmer Enterprises Bus-powered modem interface device
DE69942933D1 (de) * 1999-09-30 2010-12-23 St Microelectronics Srl Pegelregulierung eines Signals, das von einem Sense-Empfänger produziert wird, der an eine Stromleitung angeschlossenen ist
US6313682B1 (en) * 1999-12-08 2001-11-06 Analog Devices, Inc. Pulse generation circuit and method with transmission pre-emphasis
US6393123B1 (en) * 2000-04-12 2002-05-21 General Electric Company Method and modem circuit for determining connection status of a phone line
US7583797B2 (en) * 2000-07-10 2009-09-01 Broadcom Corporation Single ended analog front end
DE10133509C2 (de) * 2001-07-10 2003-05-22 Siemens Ag Übertragung von Daten über das Stromversorgungsnetz
JP2003174387A (ja) * 2001-09-28 2003-06-20 Sumitomo Electric Ind Ltd ハイブリッド回路およびそれを用いた電力線搬送用モデム
ATE314769T1 (de) 2002-01-04 2006-01-15 Cit Alcatel Impendanzanpassung für leitungstreiber
KR100456695B1 (ko) 2002-04-11 2004-11-10 삼성전자주식회사 전화선을 이용한 디지털 통신 시스템 및 그것의 초기화 방법
US6836149B2 (en) * 2002-04-12 2004-12-28 Stmicroelectronics, Inc. Versatile RSDS-LVDS-miniLVDS-BLVDS differential signal interface circuit
US7123651B2 (en) * 2002-07-31 2006-10-17 Lsi Logic Corporation Adaptable hybrid and selection method for ADSL modem data rate improvement
US7027589B2 (en) * 2002-11-27 2006-04-11 Texas Instruments Incorporated Single-ended loop test circuitry in a central office DSL modem
GB2396086C (en) 2002-12-03 2007-11-02 Vetco Gray Controls Ltd A system for use in controlling a hydrocarbon production well
US7346071B2 (en) * 2003-01-13 2008-03-18 Bareis Bernard F Broadband multi-drop local network, interface and method for multimedia access

Also Published As

Publication number Publication date
GB0409862D0 (en) 2004-06-09
DE102005016986A1 (de) 2005-11-24
US20050243983A1 (en) 2005-11-03
GB2413746A (en) 2005-11-02
NO20052102L (no) 2005-11-02
DE102005016986B4 (de) 2022-09-15
NO339939B1 (no) 2017-02-20
NO20052102D0 (no) 2005-04-29
GB2413746B (en) 2007-02-14

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B25A Requested transfer of rights approved

Owner name: GE OIL AND GAS UK LIMITED (GB)

B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04B 3/54 , H04L 7/00

Ipc: H04M 11/06 (2006.01), H04B 3/56 (2006.01)

Ipc: H04M 11/06 (2006.01), H04B 3/56 (2006.01)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 15A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2565 DE 2020-03-03