JPS5531358A - Subscriber circuit - Google Patents

Subscriber circuit

Info

Publication number
JPS5531358A
JPS5531358A JP10506178A JP10506178A JPS5531358A JP S5531358 A JPS5531358 A JP S5531358A JP 10506178 A JP10506178 A JP 10506178A JP 10506178 A JP10506178 A JP 10506178A JP S5531358 A JPS5531358 A JP S5531358A
Authority
JP
Japan
Prior art keywords
circuit
subscriber
terminal
operational amplifier
exchange
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
JP10506178A
Other languages
English (en)
Other versions
JPS628983B2 (ja
Inventor
Kunio Nagashima
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
NEC 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 Electric Co Ltd filed Critical NEC Corp
Priority to JP10506178A priority Critical patent/JPS5531358A/ja
Publication of JPS5531358A publication Critical patent/JPS5531358A/ja
Publication of JPS628983B2 publication Critical patent/JPS628983B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP10506178A 1978-08-28 1978-08-28 Subscriber circuit Granted JPS5531358A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10506178A JPS5531358A (en) 1978-08-28 1978-08-28 Subscriber circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10506178A JPS5531358A (en) 1978-08-28 1978-08-28 Subscriber circuit

Publications (2)

Publication Number Publication Date
JPS5531358A true JPS5531358A (en) 1980-03-05
JPS628983B2 JPS628983B2 (ja) 1987-02-25

Family

ID=14397447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10506178A Granted JPS5531358A (en) 1978-08-28 1978-08-28 Subscriber circuit

Country Status (1)

Country Link
JP (1) JPS5531358A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332605A (en) * 1976-09-03 1978-03-28 Thomson Csf Telephone line circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332605A (en) * 1976-09-03 1978-03-28 Thomson Csf Telephone line circuit

Also Published As

Publication number Publication date
JPS628983B2 (ja) 1987-02-25

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