JPS6229937B2 - - Google Patents

Info

Publication number
JPS6229937B2
JPS6229937B2 JP53147865A JP14786578A JPS6229937B2 JP S6229937 B2 JPS6229937 B2 JP S6229937B2 JP 53147865 A JP53147865 A JP 53147865A JP 14786578 A JP14786578 A JP 14786578A JP S6229937 B2 JPS6229937 B2 JP S6229937B2
Authority
JP
Japan
Prior art keywords
transmission
circuit
monitor
output
hybrid circuit
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
Application number
JP53147865A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5575354A (en
Inventor
Kazuo Saito
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 ELECTRONICS
Original Assignee
HITACHI ELECTRONICS
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 ELECTRONICS filed Critical HITACHI ELECTRONICS
Priority to JP14786578A priority Critical patent/JPS5575354A/ja
Publication of JPS5575354A publication Critical patent/JPS5575354A/ja
Publication of JPS6229937B2 publication Critical patent/JPS6229937B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP14786578A 1978-12-01 1978-12-01 Communication monitor system Granted JPS5575354A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14786578A JPS5575354A (en) 1978-12-01 1978-12-01 Communication monitor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14786578A JPS5575354A (en) 1978-12-01 1978-12-01 Communication monitor system

Publications (2)

Publication Number Publication Date
JPS5575354A JPS5575354A (en) 1980-06-06
JPS6229937B2 true JPS6229937B2 (en]) 1987-06-29

Family

ID=15439986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14786578A Granted JPS5575354A (en) 1978-12-01 1978-12-01 Communication monitor system

Country Status (1)

Country Link
JP (1) JPS5575354A (en])

Also Published As

Publication number Publication date
JPS5575354A (en) 1980-06-06

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