IT8319687A0 - Interfaccia di linee di dati. - Google Patents

Interfaccia di linee di dati.

Info

Publication number
IT8319687A0
IT8319687A0 IT8319687A IT1968783A IT8319687A0 IT 8319687 A0 IT8319687 A0 IT 8319687A0 IT 8319687 A IT8319687 A IT 8319687A IT 1968783 A IT1968783 A IT 1968783A IT 8319687 A0 IT8319687 A0 IT 8319687A0
Authority
IT
Italy
Prior art keywords
data line
line interface
interface
data
line
Prior art date
Application number
IT8319687A
Other languages
English (en)
Other versions
IT1193679B (it
Inventor
Richard L Swarz
Original Assignee
Richard L Swarz
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 Richard L Swarz filed Critical Richard L Swarz
Publication of IT8319687A0 publication Critical patent/IT8319687A0/it
Application granted granted Critical
Publication of IT1193679B publication Critical patent/IT1193679B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/24—Relay circuits using discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Power Engineering (AREA)
  • Communication Control (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Bidirectional Digital Transmission (AREA)
IT19687/83A 1982-03-18 1983-02-22 Interfaccia di linee di dati IT1193679B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/359,576 US4443884A (en) 1982-03-18 1982-03-18 Data line interface

Publications (2)

Publication Number Publication Date
IT8319687A0 true IT8319687A0 (it) 1983-02-22
IT1193679B IT1193679B (it) 1988-07-21

Family

ID=23414411

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19687/83A IT1193679B (it) 1982-03-18 1983-02-22 Interfaccia di linee di dati

Country Status (7)

Country Link
US (1) US4443884A (it)
JP (1) JPS58170256A (it)
BR (1) BR8300973A (it)
DE (1) DE3307971A1 (it)
FR (1) FR2523744A1 (it)
GB (1) GB2118402B (it)
IT (1) IT1193679B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504959A (en) * 1983-02-25 1985-03-12 Johnson Service Company Noise-neutralizing digital interface circuit
JPH0782414B2 (ja) * 1983-05-24 1995-09-06 日本電気株式会社 情報処理装置
BR8401869A (pt) * 1984-04-23 1985-11-26 Microlab Sa Repetidor de frequencia de voz
US4839802A (en) * 1986-11-19 1989-06-13 Extel Corporation Adaptation of computer to communication operation
US4885718A (en) * 1987-09-11 1989-12-05 Cybex Corporation Extended communications link for keyboard and display units remotely located from a computer
US5051980A (en) * 1988-08-11 1991-09-24 El Paso Natural Gas Company Data communication interface device
US4996453A (en) * 1989-07-28 1991-02-26 Dallas Semiconductor Power down circuit for low-power circuit with dual supply voltages
US5619722A (en) * 1994-01-18 1997-04-08 Teramar Group, Inc. Addressable communication port expander
US5841992A (en) * 1996-03-25 1998-11-24 Snap-On Tools Company Network-to-serial device intelligent converter
US6189148B1 (en) 1999-01-28 2001-02-13 Douglas G. Brown Methods and circuits using frequency shift keying modulation to transfer data over transmission lines simultaneous with television signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR383165A (fr) * 1907-10-21 1908-02-26 Rowland Telegraphic Company Mode d'équilibrage des lignes de circuits électriques, applicable en particulier aux lignes employées dans les systèmes de télégraphie «duplex»
US3691295A (en) * 1970-03-31 1972-09-12 Ibm Two-way communication system for video and digital data
US4086534A (en) * 1977-02-14 1978-04-25 Network Systems Corporation Circuit for wire transmission of high frequency data communication pulse signals
US4277646A (en) * 1979-08-24 1981-07-07 Western Electric Company, Inc. Apparatus and method for resetting data sets
FR2469837A1 (fr) * 1979-11-07 1981-05-22 Trt Telecom Radio Electr Dispositif de detection de porteuse dans un modem muni d'un annuleur d'echo
US4317205A (en) * 1980-06-13 1982-02-23 Tcl, Inc. Wideband transceiver with EMI suppression
US4367374A (en) * 1981-02-17 1983-01-04 Novation, Inc. Modem telephone interface circuit

Also Published As

Publication number Publication date
BR8300973A (pt) 1983-11-16
DE3307971A1 (de) 1983-09-29
JPS58170256A (ja) 1983-10-06
GB8301561D0 (en) 1983-02-23
US4443884A (en) 1984-04-17
GB2118402A (en) 1983-10-26
IT1193679B (it) 1988-07-21
GB2118402B (en) 1985-09-04
FR2523744A1 (fr) 1983-09-23

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