JPS57184361A - Subscriber circuit - Google Patents

Subscriber circuit

Info

Publication number
JPS57184361A
JPS57184361A JP6902181A JP6902181A JPS57184361A JP S57184361 A JPS57184361 A JP S57184361A JP 6902181 A JP6902181 A JP 6902181A JP 6902181 A JP6902181 A JP 6902181A JP S57184361 A JPS57184361 A JP S57184361A
Authority
JP
Japan
Prior art keywords
circuit
transformer
resistor
output
amplifier
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
JP6902181A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0255983B2 (enrdf_load_stackoverflow
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 JP6902181A priority Critical patent/JPS57184361A/ja
Publication of JPS57184361A publication Critical patent/JPS57184361A/ja
Publication of JPH0255983B2 publication Critical patent/JPH0255983B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
JP6902181A 1981-05-08 1981-05-08 Subscriber circuit Granted JPS57184361A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6902181A JPS57184361A (en) 1981-05-08 1981-05-08 Subscriber circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6902181A JPS57184361A (en) 1981-05-08 1981-05-08 Subscriber circuit

Publications (2)

Publication Number Publication Date
JPS57184361A true JPS57184361A (en) 1982-11-13
JPH0255983B2 JPH0255983B2 (enrdf_load_stackoverflow) 1990-11-28

Family

ID=13390506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6902181A Granted JPS57184361A (en) 1981-05-08 1981-05-08 Subscriber circuit

Country Status (1)

Country Link
JP (1) JPS57184361A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6196862A (ja) * 1984-10-15 1986-05-15 アルカテル・エヌ・ブイ 加入者のための前置回路装置
US4939696A (en) * 1987-08-28 1990-07-03 Hitachi, Ltd. Semiconductor memory device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6196862A (ja) * 1984-10-15 1986-05-15 アルカテル・エヌ・ブイ 加入者のための前置回路装置
US4939696A (en) * 1987-08-28 1990-07-03 Hitachi, Ltd. Semiconductor memory device

Also Published As

Publication number Publication date
JPH0255983B2 (enrdf_load_stackoverflow) 1990-11-28

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