JPS53130909A - Double data transmission system - Google Patents

Double data transmission system

Info

Publication number
JPS53130909A
JPS53130909A JP2589278A JP2589278A JPS53130909A JP S53130909 A JPS53130909 A JP S53130909A JP 2589278 A JP2589278 A JP 2589278A JP 2589278 A JP2589278 A JP 2589278A JP S53130909 A JPS53130909 A JP S53130909A
Authority
JP
Japan
Prior art keywords
data transmission
transmission system
double data
double
transmission
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2589278A
Other languages
English (en)
Other versions
JPS5650464B2 (ja
Inventor
Ei Shii Bingamu Jiyon
Kei Matsukusuueru Ronarudo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VADIC CORP
Original Assignee
VADIC CORP
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 VADIC CORP filed Critical VADIC CORP
Publication of JPS53130909A publication Critical patent/JPS53130909A/ja
Publication of JPS5650464B2 publication Critical patent/JPS5650464B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2589278A 1977-03-07 1978-03-07 Double data transmission system Granted JPS53130909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/775,104 US4101833A (en) 1977-03-07 1977-03-07 Duplex data transmission modem utilizing an injected tone for shifting power within the transmit spectrum

Publications (2)

Publication Number Publication Date
JPS53130909A true JPS53130909A (en) 1978-11-15
JPS5650464B2 JPS5650464B2 (ja) 1981-11-28

Family

ID=25103344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2589278A Granted JPS53130909A (en) 1977-03-07 1978-03-07 Double data transmission system

Country Status (9)

Country Link
US (1) US4101833A (ja)
JP (1) JPS53130909A (ja)
BE (1) BE864615A (ja)
CA (1) CA1094643A (ja)
DE (1) DE2809401B2 (ja)
DK (1) DK98878A (ja)
GB (1) GB1593464A (ja)
LU (1) LU79183A1 (ja)
NL (1) NL173341C (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916576C3 (de) * 1979-04-24 1981-12-10 Siemens AG, 1000 Berlin und 8000 München Digital-Fernmeldesystem für Zweidraht-Getrenntlage-Betrieb
US4417349A (en) * 1979-11-08 1983-11-22 Digital Broadcasting Corporation SCA Data transmission system with a raised cosine filter
US4355397A (en) * 1980-10-15 1982-10-19 Rixon, Inc. Full duplex communication system for voice grade channels
US4509164A (en) * 1981-11-30 1985-04-02 Queen's University At Kingston Microprocessor based digital to digital converting dataset
US4481622A (en) * 1982-04-01 1984-11-06 Anderson Jacobson, Inc. High speed dial-up telephone circuit full duplex data transmission techniques
US4597073A (en) * 1985-08-27 1986-06-24 Data Race, Inc. Full-duplex split-speed data communication unit for remote DTE
DE3702202A1 (de) * 1987-01-26 1988-08-04 Dirr Josef Verfahren fuer die uebertragung analoger und/oder digitaler information, insbesondere unter zwischenschaltung einer, 2er oder mehrerer vermittlungen in fernmeldeanlagen
JPH02127829A (ja) * 1988-11-08 1990-05-16 Fujitsu Ltd 双方向光伝送装置の光断検出回路
US5577026A (en) * 1993-12-28 1996-11-19 Analogic Corporation Apparatus for transferring data to and from a moving device
EP0774186A4 (en) * 1994-05-05 2005-07-20 Catapult Entertainment Inc Network architecture for real-time video games
US5636209A (en) * 1994-05-05 1997-06-03 Perlman; Stephen G. Modem to support multiple site call conferenced data communications
US6134590A (en) * 1996-04-16 2000-10-17 Webtv Networks, Inc. Method and apparatus for automatically connecting devices to a local network
US20050089326A1 (en) * 2003-10-03 2005-04-28 Zvi Regev Cancellation of transmitted signal crosstalk in optical receivers of diplexer-based fiber optic transceivers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3306984A (en) * 1963-12-16 1967-02-28 Bell Telephone Labor Inc Elimination of talk-off in in-band signaling systems
US3349191A (en) * 1965-01-07 1967-10-24 Bell Telephone Labor Inc Talk-off protection for in-band telephone signaling systems
GB1161003A (en) * 1966-12-22 1969-08-13 Ass Elect Ind Improvements relating to Data Transmission Systems
US3655915A (en) * 1970-05-07 1972-04-11 Gen Datacomm Ind Inc Closed loop test method and apparatus for duplex data transmission modem
US3937882A (en) * 1974-04-11 1976-02-10 Vadic Corporation Full-duplex communication system on a two wire line
US3934088A (en) * 1974-06-13 1976-01-20 Redactron Corporation Data terminal for connection to telephone or teleprinter facilities
US4018996A (en) * 1976-02-13 1977-04-19 Kahn Leonard R Communication network protection system

Also Published As

Publication number Publication date
BE864615A (nl) 1978-07-03
US4101833A (en) 1978-07-18
CA1094643A (en) 1981-01-27
LU79183A1 (fr) 1978-06-26
DE2809401A1 (de) 1978-09-14
NL7802400A (nl) 1978-09-11
DK98878A (da) 1978-09-08
JPS5650464B2 (ja) 1981-11-28
NL173341C (nl) 1984-01-02
DE2809401B2 (de) 1979-09-20
GB1593464A (en) 1981-07-15

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