JPH0347794B2 - - Google Patents

Info

Publication number
JPH0347794B2
JPH0347794B2 JP58051987A JP5198783A JPH0347794B2 JP H0347794 B2 JPH0347794 B2 JP H0347794B2 JP 58051987 A JP58051987 A JP 58051987A JP 5198783 A JP5198783 A JP 5198783A JP H0347794 B2 JPH0347794 B2 JP H0347794B2
Authority
JP
Japan
Prior art keywords
wire
circuit
line
subscriber
telephone
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
JP58051987A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59178054A (ja
Inventor
Masashige Sone
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 JP5198783A priority Critical patent/JPS59178054A/ja
Publication of JPS59178054A publication Critical patent/JPS59178054A/ja
Publication of JPH0347794B2 publication Critical patent/JPH0347794B2/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
    • H04M1/738—Interface circuits for coupling substations to external telephone lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP5198783A 1983-03-28 1983-03-28 加入者線延長用四線式電話装置 Granted JPS59178054A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5198783A JPS59178054A (ja) 1983-03-28 1983-03-28 加入者線延長用四線式電話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5198783A JPS59178054A (ja) 1983-03-28 1983-03-28 加入者線延長用四線式電話装置

Publications (2)

Publication Number Publication Date
JPS59178054A JPS59178054A (ja) 1984-10-09
JPH0347794B2 true JPH0347794B2 (en, 2012) 1991-07-22

Family

ID=12902200

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5198783A Granted JPS59178054A (ja) 1983-03-28 1983-03-28 加入者線延長用四線式電話装置

Country Status (1)

Country Link
JP (1) JPS59178054A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2653980B2 (ja) * 1994-09-16 1997-09-17 株式会社力王 地下たび
US6731748B1 (en) * 1998-11-30 2004-05-04 Qualcomm Incorporated Audio interface for satellite user terminals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5366105U (en, 2012) * 1976-11-08 1978-06-03

Also Published As

Publication number Publication date
JPS59178054A (ja) 1984-10-09

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