JPS51127612A - Echo suppression system for two-wire type dual data communication syst em - Google Patents

Echo suppression system for two-wire type dual data communication syst em

Info

Publication number
JPS51127612A
JPS51127612A JP5139075A JP5139075A JPS51127612A JP S51127612 A JPS51127612 A JP S51127612A JP 5139075 A JP5139075 A JP 5139075A JP 5139075 A JP5139075 A JP 5139075A JP S51127612 A JPS51127612 A JP S51127612A
Authority
JP
Japan
Prior art keywords
data communication
wire type
suppression system
echo suppression
type dual
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
JP5139075A
Other languages
Japanese (ja)
Other versions
JPS5928094B2 (en
Inventor
Kozo Kamata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5139075A priority Critical patent/JPS5928094B2/en
Publication of JPS51127612A publication Critical patent/JPS51127612A/en
Publication of JPS5928094B2 publication Critical patent/JPS5928094B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:To get better transmitting characteristics by erasing echo current owing to stopping receiving motion after interlocking logical conversion point of communication pulse.
JP5139075A 1975-04-30 1975-04-30 Echo suppression method in 2-wire full-duplex data communication system Expired JPS5928094B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5139075A JPS5928094B2 (en) 1975-04-30 1975-04-30 Echo suppression method in 2-wire full-duplex data communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5139075A JPS5928094B2 (en) 1975-04-30 1975-04-30 Echo suppression method in 2-wire full-duplex data communication system

Publications (2)

Publication Number Publication Date
JPS51127612A true JPS51127612A (en) 1976-11-06
JPS5928094B2 JPS5928094B2 (en) 1984-07-10

Family

ID=12885600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5139075A Expired JPS5928094B2 (en) 1975-04-30 1975-04-30 Echo suppression method in 2-wire full-duplex data communication system

Country Status (1)

Country Link
JP (1) JPS5928094B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06219496A (en) * 1993-01-18 1994-08-09 Nippon Steel Corp Method and apparatus for releasing gas in power housing

Also Published As

Publication number Publication date
JPS5928094B2 (en) 1984-07-10

Similar Documents

Publication Publication Date Title
JPS51127612A (en) Echo suppression system for two-wire type dual data communication syst em
JPS5275905A (en) Information signal transmission system for bucket communication
JPS5212503A (en) Multiplex loop transmission system
JPS53121501A (en) Loop transmission system
JPS5433604A (en) Signal system
JPS5314505A (en) Data transfer system
JPS5425105A (en) Error control system of data transmitter
JPS52149152A (en) Ultrasonic pulse transmitting and receiving system
JPS52106211A (en) Pb signal reception system
JPS5414103A (en) Communication system for mobile body
JPS51113525A (en) Error detecting system of data transmission
JPS5224091A (en) Radar system
JPS5242302A (en) Inter-call system
JPS533115A (en) Pcm terminal station unit
JPS5382103A (en) Automatic answering telephone set
AU281478B2 (en) Method of transmitting information within a continuous wave train by means ofa serial code
JPS51124306A (en) Data transmission system
JPS5313305A (en) System for transmitting characters by using telephones
JPS5264259A (en) Ghost deletion type reception antenna
JPS53128209A (en) Communication system
JPS5440505A (en) Digital pad control system
AU3143463A (en) Method of transmitting information within a continuous wave train by means ofa serial code
JPS5432208A (en) Time sharing digital communication unit
CA994438A (en) Line system for transmitting pulse signals
CA491220A (en) Coding tube for pulse code modulation signals