JPS56128038A - Two-way amplifier of two-wire system - Google Patents

Two-way amplifier of two-wire system

Info

Publication number
JPS56128038A
JPS56128038A JP3143980A JP3143980A JPS56128038A JP S56128038 A JPS56128038 A JP S56128038A JP 3143980 A JP3143980 A JP 3143980A JP 3143980 A JP3143980 A JP 3143980A JP S56128038 A JPS56128038 A JP S56128038A
Authority
JP
Japan
Prior art keywords
level
gain
loss
circuit
service
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
JP3143980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6218097B2 (enrdf_load_stackoverflow
Inventor
Yoshiji Furuya
Yukio Hagiwara
Masaru Aoyanagi
Haruo Ogura
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
Nippon Telegraph and Telephone Corp
Original Assignee
NEC Corp
Nippon Telegraph and Telephone Corp
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 NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP3143980A priority Critical patent/JPS56128038A/ja
Publication of JPS56128038A publication Critical patent/JPS56128038A/ja
Publication of JPS6218097B2 publication Critical patent/JPS6218097B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/36—Repeater circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
JP3143980A 1980-03-11 1980-03-11 Two-way amplifier of two-wire system Granted JPS56128038A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3143980A JPS56128038A (en) 1980-03-11 1980-03-11 Two-way amplifier of two-wire system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3143980A JPS56128038A (en) 1980-03-11 1980-03-11 Two-way amplifier of two-wire system

Publications (2)

Publication Number Publication Date
JPS56128038A true JPS56128038A (en) 1981-10-07
JPS6218097B2 JPS6218097B2 (enrdf_load_stackoverflow) 1987-04-21

Family

ID=12331264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3143980A Granted JPS56128038A (en) 1980-03-11 1980-03-11 Two-way amplifier of two-wire system

Country Status (1)

Country Link
JP (1) JPS56128038A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531437A (en) * 1978-08-29 1980-03-05 Japan Metals & Chem Co Ltd Removal of arsenic and silicic acid present in industrial waste water

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5531437A (en) * 1978-08-29 1980-03-05 Japan Metals & Chem Co Ltd Removal of arsenic and silicic acid present in industrial waste water

Also Published As

Publication number Publication date
JPS6218097B2 (enrdf_load_stackoverflow) 1987-04-21

Similar Documents

Publication Publication Date Title
JPS5797262A (en) Loud speaker telephone set system
CA2108829A1 (en) Power Control Circuit for a Digital Radio Telephone
JPS56128038A (en) Two-way amplifier of two-wire system
JPS5742242A (en) Two-wire type bidirectional amplifier system
JPS56128037A (en) Two-way amplifier of two-wire system
JPS56157164A (en) Conference system
JPS5735457A (en) Loudspeaker telephone set system
JPS53133304A (en) Gain control method for optical signal receiver
JPS5799010A (en) High dynamic range digital agc system
JPS54114159A (en) Automatic gain control circuit
JPS56111331A (en) Two-dimentionally applied type automatic equalizer
JPS57133755A (en) Branch coupling circuit for conference telephone set
JPS57142040A (en) Variable equalizing system
JPS57145500A (en) Reverberation sound adder
JPS56128036A (en) Two-way amplifier of two-wire type
JPS56158538A (en) Automatic equalizer
JPS5759064A (en) Knock controller
JPS5726984A (en) Remote control system
JPS57111703A (en) Adaptive control device for process
JPS56128039A (en) Two-way amplifier of two-wire system
JPS56104593A (en) Automatic color balance device
JPS5742241A (en) Echo erasion type two-wire bidirectional amplifier
JPS56104594A (en) Automatic color balance device
JPS5628551A (en) Carrier frequency multiplex terminal station adding unit
JPS566516A (en) Automatic gain control circuit