JPH0526375B2 - - Google Patents

Info

Publication number
JPH0526375B2
JPH0526375B2 JP57121005A JP12100582A JPH0526375B2 JP H0526375 B2 JPH0526375 B2 JP H0526375B2 JP 57121005 A JP57121005 A JP 57121005A JP 12100582 A JP12100582 A JP 12100582A JP H0526375 B2 JPH0526375 B2 JP H0526375B2
Authority
JP
Japan
Prior art keywords
signal
circuit
echo
transmission
transmission distortion
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.)
Expired - Lifetime
Application number
JP57121005A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5912639A (ja
Inventor
Hideo Suzuki
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP12100582A priority Critical patent/JPS5912639A/ja
Publication of JPS5912639A publication Critical patent/JPS5912639A/ja
Publication of JPH0526375B2 publication Critical patent/JPH0526375B2/ja
Granted 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
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H04B3/232—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers using phase shift, phase roll or frequency offset correction
    • 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
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H04B3/238—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers using initial training sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP12100582A 1982-07-12 1982-07-12 エコ−キヤンセラ Granted JPS5912639A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12100582A JPS5912639A (ja) 1982-07-12 1982-07-12 エコ−キヤンセラ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12100582A JPS5912639A (ja) 1982-07-12 1982-07-12 エコ−キヤンセラ

Publications (2)

Publication Number Publication Date
JPS5912639A JPS5912639A (ja) 1984-01-23
JPH0526375B2 true JPH0526375B2 (enrdf_load_stackoverflow) 1993-04-15

Family

ID=14800423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12100582A Granted JPS5912639A (ja) 1982-07-12 1982-07-12 エコ−キヤンセラ

Country Status (1)

Country Link
JP (1) JPS5912639A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61296830A (ja) * 1985-06-25 1986-12-27 Nec Corp 変復調回路
US4924492A (en) * 1988-03-22 1990-05-08 American Telephone And Telegraph Company Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises
JPH01290587A (ja) * 1988-05-16 1989-11-22 Nippon Mining Co Ltd 化合物半導体単結晶の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074086A (en) * 1976-09-07 1978-02-14 Bell Telephone Laboratories, Incorporated Joint adaptive echo canceller and equalizer for two-wire full-duplex data transmission
JPS5494219A (en) * 1978-01-09 1979-07-25 Nec Corp Adaptive echo eraser
FR2490901A1 (fr) * 1980-09-19 1982-03-26 Trt Telecom Radio Electr Annuleur d'echo numerique muni d'un convertisseur analogique-numerique a dynamique reglable

Also Published As

Publication number Publication date
JPS5912639A (ja) 1984-01-23

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