IT1091706B - Sistema per la trasmissione di dati in duplex totale a duplice velocita - Google Patents

Sistema per la trasmissione di dati in duplex totale a duplice velocita

Info

Publication number
IT1091706B
IT1091706B IT69440/77A IT6944077A IT1091706B IT 1091706 B IT1091706 B IT 1091706B IT 69440/77 A IT69440/77 A IT 69440/77A IT 6944077 A IT6944077 A IT 6944077A IT 1091706 B IT1091706 B IT 1091706B
Authority
IT
Italy
Prior art keywords
transmission
speed
data
total duplex
duplex
Prior art date
Application number
IT69440/77A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1091706B publication Critical patent/IT1091706B/it

Links

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
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • 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
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
  • Bidirectional Digital Transmission (AREA)
IT69440/77A 1976-11-01 1977-10-31 Sistema per la trasmissione di dati in duplex totale a duplice velocita IT1091706B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/737,789 US4069392A (en) 1976-11-01 1976-11-01 Dual speed full duplex data transmission

Publications (1)

Publication Number Publication Date
IT1091706B true IT1091706B (it) 1985-07-06

Family

ID=24965337

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69440/77A IT1091706B (it) 1976-11-01 1977-10-31 Sistema per la trasmissione di dati in duplex totale a duplice velocita

Country Status (11)

Country Link
US (1) US4069392A (it)
JP (1) JPS5391514A (it)
AU (1) AU3011077A (it)
BE (1) BE860265A (it)
CA (1) CA1108262A (it)
DE (1) DE2748556A1 (it)
ES (1) ES463722A1 (it)
FR (1) FR2369629A1 (it)
IT (1) IT1091706B (it)
NL (1) NL7711892A (it)
SE (1) SE7711817L (it)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4258433A (en) * 1978-04-28 1981-03-24 L M Ericsson Pty. Ltd. Digital data communication network having differing data transmission rate capabilities
NL7806618A (nl) * 1978-06-20 1979-12-27 Philips Nv Satellietcommunicatiestelsel voor spraak en telegrafie.
DE3004981C2 (de) * 1980-02-11 1981-10-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Datenübertragung in großen Wassertiefen
US4342986A (en) * 1980-05-07 1982-08-03 Honeywell Inc. Central station alarm reporting system
US4320522A (en) * 1980-05-09 1982-03-16 Harris Corporation Programmable frequency and signalling format tone frequency encoder/decoder circuit
DE3104514A1 (de) * 1981-02-09 1982-08-19 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zum uebertragen von datensignalen und signalisierungsinformationen zwischen datenendgeraeten, die ueber vermittlungsstellen eines fernmeldenetzes miteinander verbunden sind
US4440988A (en) * 1981-06-15 1984-04-03 Hayes Microcomputer Products, Inc. Modem with low part count and improved demodulator
US4431864A (en) * 1981-10-14 1984-02-14 The United States Of America As Represented By The Secretary Of The Air Force Communications system input-output converter
JPS58188950A (ja) * 1982-04-28 1983-11-04 Nippon Telegr & Teleph Corp <Ntt> 網間接続方式
US4519083A (en) * 1982-08-16 1985-05-21 Texas Instruments Incorporated Bilateral digital data transmission system
US4571731A (en) * 1982-08-16 1986-02-18 Texas Instruments Incorporated PSK modem filter switch
US5142594A (en) * 1983-04-02 1992-08-25 Canon Kabushiki Kaisha Image data communication control system
US4985892A (en) * 1984-06-01 1991-01-15 Xerox Corporation Baseband local area network using ordinary telephone wiring
US4680773A (en) * 1985-10-30 1987-07-14 Microcom, Inc. Data telecommunications system and method utilizing a multi-mode modem
US4788717A (en) * 1985-12-13 1988-11-29 Digital Equipment Corporation Telephone line interface option module
CA1260641A (en) * 1986-10-22 1989-09-26 Jan Heynen (ds) transmitter
US4737967A (en) * 1987-01-28 1988-04-12 Hazeltine Corporation Remote monitoring system receiver with dual baud rate selector
JPS6412655A (en) * 1987-07-06 1989-01-17 Oki Electric Ind Co Ltd Analog front end circuit for full duplex communication
US5230071A (en) * 1987-08-13 1993-07-20 Digital Equipment Corporation Method for controlling the variable baud rate of peripheral devices
US4759035A (en) * 1987-10-01 1988-07-19 Adtran Digitally controlled, all rate equalizer
DE3890947C2 (de) * 1987-11-10 1995-05-18 Echelon Systems Netzwerk und Verfahren zur Nachrichtenübertragung
US4882726A (en) * 1987-11-23 1989-11-21 Motorola Canada Limited Full duplex modem system for differing data bit rates
US20010050943A1 (en) * 1989-08-03 2001-12-13 Mahany Ronald L. Radio frequency communication network having adaptive communication parameters
US7606575B2 (en) * 1988-08-04 2009-10-20 Broadcom Corporation Remote radio data communication system with data rate switching
US4890316A (en) * 1988-10-28 1989-12-26 Walsh Dale M Modem for communicating at high speed over voice-grade telephone circuits
JPH03175745A (ja) * 1989-12-05 1991-07-30 Toshiba Tesuko Kk 多局間双方向通信無線モデム
FI905698A (fi) * 1990-11-19 1992-05-20 Telenokia Oy Dataoeverfoeringssystem och ett foerfarande foer kontroll av kontakt vid dataoeverfoeringssystemet.
US5214637A (en) * 1991-04-15 1993-05-25 Codex Corporation High speed two wire modem
CA2118277C (en) * 1993-12-23 1998-09-22 Alexander Feiner Facility type determination technique
US6816473B2 (en) 1995-06-30 2004-11-09 Interdigital Technology Corporation Method for adaptive forward power control for spread-spectrum communications
US7020111B2 (en) * 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
US6788662B2 (en) 1995-06-30 2004-09-07 Interdigital Technology Corporation Method for adaptive reverse power control for spread-spectrum communications
US7929498B2 (en) * 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US6697350B2 (en) 1995-06-30 2004-02-24 Interdigital Technology Corporation Adaptive vector correlator for spread-spectrum communications
US7072380B2 (en) * 1995-06-30 2006-07-04 Interdigital Technology Corporation Apparatus for initial power control for spread-spectrum communications
US7123600B2 (en) * 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US6885652B1 (en) * 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US5953346A (en) * 1996-06-27 1999-09-14 Interdigital Technology Corporation CDMA communication system which selectively suppresses data transmissions during establishment of a communication channel
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6940840B2 (en) 1995-06-30 2005-09-06 Interdigital Technology Corporation Apparatus for adaptive reverse power control for spread-spectrum communications
US6111870A (en) * 1996-11-07 2000-08-29 Interdigital Technology Corporation Method and apparatus for compressing and transmitting high speed data
US6075792A (en) 1997-06-16 2000-06-13 Interdigital Technology Corporation CDMA communication system which selectively allocates bandwidth upon demand
US20020051434A1 (en) * 1997-10-23 2002-05-02 Ozluturk Fatih M. Method for using rapid acquisition spreading codes for spread-spectrum communications
US6097738A (en) * 1997-11-10 2000-08-01 Cypress Semiconductor Corp. Multi-speed retainer
US6961369B1 (en) 1999-11-09 2005-11-01 Aware, Inc. System and method for scrambling the phase of the carriers in a multicarrier communications system
US20040141550A1 (en) * 2002-07-25 2004-07-22 Patrick Duvaut Reduced SNR handshake signaling in ADSL systems
US7129753B2 (en) * 2004-05-26 2006-10-31 Infineon Technologies Ag Chip to chip interface
FI20065811A0 (fi) * 2006-12-15 2006-12-15 Nokia Corp Mesh-verkko
US11493949B2 (en) * 2020-03-27 2022-11-08 Qualcomm Incorporated Clocking scheme to receive data

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE623036A (it) * 1961-09-29
DE1193085B (de) * 1963-12-09 1965-05-20 Siemens Ag Fernschreibanlage fuer Waehlverkehr mit auf verschiedene Telegrafiergeschwindigkeiten und gegebenenfalls Codes einstellbaren Fernschreibmaschinen
US3609241A (en) * 1967-06-08 1971-09-28 Xerox Corp Electronic coupler circuit
US3457550A (en) * 1967-07-11 1969-07-22 Bell Telephone Labor Inc Automatic handshaking method and apparatus for data transmission systems
USRE27864E (en) 1970-05-07 1974-01-01 Closed loop test method and apparatus fof duplex data transmission modem
JPS5926152B2 (ja) * 1974-03-16 1984-06-25 株式会社リコー フアクシミリ通信方式およびその装置
US3937882A (en) * 1974-04-11 1976-02-10 Vadic Corporation Full-duplex communication system on a two wire line

Also Published As

Publication number Publication date
ES463722A1 (es) 1978-06-01
NL7711892A (nl) 1978-05-03
SE7711817L (sv) 1978-05-01
CA1108262A (en) 1981-09-01
FR2369629A1 (fr) 1978-05-26
US4069392A (en) 1978-01-17
BE860265A (fr) 1978-02-15
DE2748556A1 (de) 1978-05-03
JPS5391514A (en) 1978-08-11
AU3011077A (en) 1979-05-03

Similar Documents

Publication Publication Date Title
IT1091706B (it) Sistema per la trasmissione di dati in duplex totale a duplice velocita
IT1086565B (it) Perfezionamento nei sistemi per la trasmissione di dati in forma binaria
IT7919658A0 (it) Sistema per la trasmissione di dati.
FI772633A (fi) Optiska kopieringsmaskinsystem med kontinuerligt varierbar foerminskning
DE3751609D1 (de) Datenprozessor mit Hochgeschwindigkeitsdatenübertragung.
NL7700165A (nl) Gegevenstransmissiestelsel.
IT1140621B (it) Sistema di elaborazione di dati
IT1120031B (it) Perfezionamento nei sistemi per la trasmissione di dati in forma binaria
FR2354003A1 (fr) Perfectionnements aux systemes de transmission de donnees
IT7919548A0 (it) Impianto di trattamento di dati a punto fluttuante.
ZA773563B (en) Speed responsive system
SE422700B (sv) Vinkelhastighetskonstant universalled
IT1080017B (it) Perfezionamento nei sistemi per la trasmissione di dati
SE426899B (sv) Dataoverforingssystem
BR7700569A (pt) Transmissao de velocidades multiplas
NL7709270A (nl) Transmissiestelsel.
IT1077331B (it) Circuito interfacciale o &#34;interfaccia&#34; per sistemi di trasmissione di dati
NL189884B (nl) Systeem met wagentjes.
DE3381179D1 (de) Winkelgeschwindigkeitssensor.
DK575977A (da) Optisk tegnenkendelsesanlaeg med haandlaeser
IT1043321B (it) Sistema bifilare in duplex totale per la trasmissione di dati
IT1164050B (it) Perfezionamento nei sistemi per la trasmissione di dati in forma binaria
IT1038712B (it) Sistema di trasmissione di dati sincrona nei confronti deibit
NO802768L (no) Hoeyhastighets dataprosessor.
PT66357B (en) Stepless speed change systems