JPS6223936B2 - - Google Patents

Info

Publication number
JPS6223936B2
JPS6223936B2 JP55117955A JP11795580A JPS6223936B2 JP S6223936 B2 JPS6223936 B2 JP S6223936B2 JP 55117955 A JP55117955 A JP 55117955A JP 11795580 A JP11795580 A JP 11795580A JP S6223936 B2 JPS6223936 B2 JP S6223936B2
Authority
JP
Japan
Prior art keywords
wire
echo cancellation
circuit
echo
loss
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
Application number
JP55117955A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5742242A (en
Inventor
Yoshiji Furuya
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.)
NEC Corp
Original Assignee
Nippon 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP11795580A priority Critical patent/JPS5742242A/ja
Publication of JPS5742242A publication Critical patent/JPS5742242A/ja
Publication of JPS6223936B2 publication Critical patent/JPS6223936B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP11795580A 1980-08-27 1980-08-27 Two-wire type bidirectional amplifier system Granted JPS5742242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11795580A JPS5742242A (en) 1980-08-27 1980-08-27 Two-wire type bidirectional amplifier system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11795580A JPS5742242A (en) 1980-08-27 1980-08-27 Two-wire type bidirectional amplifier system

Publications (2)

Publication Number Publication Date
JPS5742242A JPS5742242A (en) 1982-03-09
JPS6223936B2 true JPS6223936B2 (enExample) 1987-05-26

Family

ID=14724371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11795580A Granted JPS5742242A (en) 1980-08-27 1980-08-27 Two-wire type bidirectional amplifier system

Country Status (1)

Country Link
JP (1) JPS5742242A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57129542A (en) * 1981-02-04 1982-08-11 Nippon Telegr & Teleph Corp <Ntt> Two-way repeater
JPS59205833A (ja) * 1983-05-09 1984-11-21 Nec Corp 廻り込み信号抑圧装置
JPS6070830A (ja) * 1983-09-28 1985-04-22 Hitachi Ltd 鳴音制御方式
JPS61194958A (ja) * 1985-02-22 1986-08-29 Nippon Telegr & Teleph Corp <Ntt> エコ−キヤンセラ形拡声電話回路
GR861513B (en) * 1985-06-13 1986-10-13 Siemens Ag Double cable amplifier fourfold amplifire of a double cable and fourfold circuit with amplifier
CA1242541A (en) * 1985-11-25 1988-09-27 Dany Sylvain Echo cancellation in two-wire transmission path repeaters
US4942314A (en) * 1987-09-18 1990-07-17 Sanyo Electric Co., Ltd. Peak holding circuit for a color television receiver

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742241A (en) * 1980-08-27 1982-03-09 Nec Corp Echo erasion type two-wire bidirectional amplifier

Also Published As

Publication number Publication date
JPS5742242A (en) 1982-03-09

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