JPS5221708A - Test-free line recognition - Google Patents

Test-free line recognition

Info

Publication number
JPS5221708A
JPS5221708A JP9718075A JP9718075A JPS5221708A JP S5221708 A JPS5221708 A JP S5221708A JP 9718075 A JP9718075 A JP 9718075A JP 9718075 A JP9718075 A JP 9718075A JP S5221708 A JPS5221708 A JP S5221708A
Authority
JP
Japan
Prior art keywords
test
line recognition
free line
free
freee
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
JP9718075A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5630745B2 (enrdf_load_stackoverflow
Inventor
Makoto Nakano
Isao Matsumoto
Kimio Kuriyama
Gunpei Hirakawa
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.)
Anritsu Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Anritsu Corp
Nippon Telegraph and Telephone Corp
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 Anritsu Corp, Nippon Telegraph and Telephone Corp filed Critical Anritsu Corp
Priority to JP9718075A priority Critical patent/JPS5221708A/ja
Publication of JPS5221708A publication Critical patent/JPS5221708A/ja
Publication of JPS5630745B2 publication Critical patent/JPS5630745B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP9718075A 1975-08-12 1975-08-12 Test-free line recognition Granted JPS5221708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9718075A JPS5221708A (en) 1975-08-12 1975-08-12 Test-free line recognition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9718075A JPS5221708A (en) 1975-08-12 1975-08-12 Test-free line recognition

Publications (2)

Publication Number Publication Date
JPS5221708A true JPS5221708A (en) 1977-02-18
JPS5630745B2 JPS5630745B2 (enrdf_load_stackoverflow) 1981-07-16

Family

ID=14185373

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9718075A Granted JPS5221708A (en) 1975-08-12 1975-08-12 Test-free line recognition

Country Status (1)

Country Link
JP (1) JPS5221708A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5630745B2 (enrdf_load_stackoverflow) 1981-07-16

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