JPS51150908A - Signal transmission system allowing hot-line circuit board insertion - Google Patents

Signal transmission system allowing hot-line circuit board insertion

Info

Publication number
JPS51150908A
JPS51150908A JP7446075A JP7446075A JPS51150908A JP S51150908 A JPS51150908 A JP S51150908A JP 7446075 A JP7446075 A JP 7446075A JP 7446075 A JP7446075 A JP 7446075A JP S51150908 A JPS51150908 A JP S51150908A
Authority
JP
Japan
Prior art keywords
signal transmission
circuit board
transmission system
line circuit
system allowing
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
JP7446075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5541065B2 (show.php
Inventor
Sadao Mizokawa
Koichiro Ishida
Yasuharu Kamata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7446075A priority Critical patent/JPS51150908A/ja
Publication of JPS51150908A publication Critical patent/JPS51150908A/ja
Publication of JPS5541065B2 publication Critical patent/JPS5541065B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP7446075A 1975-06-20 1975-06-20 Signal transmission system allowing hot-line circuit board insertion Granted JPS51150908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7446075A JPS51150908A (en) 1975-06-20 1975-06-20 Signal transmission system allowing hot-line circuit board insertion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7446075A JPS51150908A (en) 1975-06-20 1975-06-20 Signal transmission system allowing hot-line circuit board insertion

Publications (2)

Publication Number Publication Date
JPS51150908A true JPS51150908A (en) 1976-12-24
JPS5541065B2 JPS5541065B2 (show.php) 1980-10-22

Family

ID=13547875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7446075A Granted JPS51150908A (en) 1975-06-20 1975-06-20 Signal transmission system allowing hot-line circuit board insertion

Country Status (1)

Country Link
JP (1) JPS51150908A (show.php)

Also Published As

Publication number Publication date
JPS5541065B2 (show.php) 1980-10-22

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