JPS5393707A - Private line repeater circuit - Google Patents

Private line repeater circuit

Info

Publication number
JPS5393707A
JPS5393707A JP751277A JP751277A JPS5393707A JP S5393707 A JPS5393707 A JP S5393707A JP 751277 A JP751277 A JP 751277A JP 751277 A JP751277 A JP 751277A JP S5393707 A JPS5393707 A JP S5393707A
Authority
JP
Japan
Prior art keywords
private line
repeater circuit
line repeater
circuit
teleohone
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.)
Pending
Application number
JP751277A
Other languages
Japanese (ja)
Inventor
Akira Okamoto
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 JP751277A priority Critical patent/JPS5393707A/en
Publication of JPS5393707A publication Critical patent/JPS5393707A/en
Pending 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
    • H04M1/71—Substation extension arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

PURPOSE:To simplify the transmitting operation by incorporating the incoming detector circuit, timer circuit, etc., and thus to ensure an easy connection of an optional teleohone set to the private line.
JP751277A 1977-01-26 1977-01-26 Private line repeater circuit Pending JPS5393707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP751277A JPS5393707A (en) 1977-01-26 1977-01-26 Private line repeater circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP751277A JPS5393707A (en) 1977-01-26 1977-01-26 Private line repeater circuit

Publications (1)

Publication Number Publication Date
JPS5393707A true JPS5393707A (en) 1978-08-17

Family

ID=11667826

Family Applications (1)

Application Number Title Priority Date Filing Date
JP751277A Pending JPS5393707A (en) 1977-01-26 1977-01-26 Private line repeater circuit

Country Status (1)

Country Link
JP (1) JPS5393707A (en)

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