JPS6159957A - 制御信号送受信回路 - Google Patents

制御信号送受信回路

Info

Publication number
JPS6159957A
JPS6159957A JP18036384A JP18036384A JPS6159957A JP S6159957 A JPS6159957 A JP S6159957A JP 18036384 A JP18036384 A JP 18036384A JP 18036384 A JP18036384 A JP 18036384A JP S6159957 A JPS6159957 A JP S6159957A
Authority
JP
Japan
Prior art keywords
signal
line
circuit
earth
control signal
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
JP18036384A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0431217B2 (enrdf_load_stackoverflow
Inventor
Tetsuaki Sumida
哲明 隅田
Shoji Nojiri
野尻　昭二
Atsuo Serikawa
芹川　厚夫
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP18036384A priority Critical patent/JPS6159957A/ja
Publication of JPS6159957A publication Critical patent/JPS6159957A/ja
Publication of JPH0431217B2 publication Critical patent/JPH0431217B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP18036384A 1984-08-31 1984-08-31 制御信号送受信回路 Granted JPS6159957A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18036384A JPS6159957A (ja) 1984-08-31 1984-08-31 制御信号送受信回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18036384A JPS6159957A (ja) 1984-08-31 1984-08-31 制御信号送受信回路

Publications (2)

Publication Number Publication Date
JPS6159957A true JPS6159957A (ja) 1986-03-27
JPH0431217B2 JPH0431217B2 (enrdf_load_stackoverflow) 1992-05-25

Family

ID=16081932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18036384A Granted JPS6159957A (ja) 1984-08-31 1984-08-31 制御信号送受信回路

Country Status (1)

Country Link
JP (1) JPS6159957A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0431217B2 (enrdf_load_stackoverflow) 1992-05-25

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