JPS6237577B2 - - Google Patents

Info

Publication number
JPS6237577B2
JPS6237577B2 JP3292181A JP3292181A JPS6237577B2 JP S6237577 B2 JPS6237577 B2 JP S6237577B2 JP 3292181 A JP3292181 A JP 3292181A JP 3292181 A JP3292181 A JP 3292181A JP S6237577 B2 JPS6237577 B2 JP S6237577B2
Authority
JP
Japan
Prior art keywords
measurement signal
measurement
signal sound
line
transmitting device
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
JP3292181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57147339A (en
Inventor
Shoichi Zensai
Fumihiko Deguchi
Takashi Yamamoto
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 JP3292181A priority Critical patent/JPS57147339A/ja
Publication of JPS57147339A publication Critical patent/JPS57147339A/ja
Publication of JPS6237577B2 publication Critical patent/JPS6237577B2/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
    • H04B3/48—Testing attenuation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP3292181A 1981-03-07 1981-03-07 Measurement system for transmission characteristics Granted JPS57147339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3292181A JPS57147339A (en) 1981-03-07 1981-03-07 Measurement system for transmission characteristics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3292181A JPS57147339A (en) 1981-03-07 1981-03-07 Measurement system for transmission characteristics

Publications (2)

Publication Number Publication Date
JPS57147339A JPS57147339A (en) 1982-09-11
JPS6237577B2 true JPS6237577B2 (en]) 1987-08-13

Family

ID=12372361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3292181A Granted JPS57147339A (en) 1981-03-07 1981-03-07 Measurement system for transmission characteristics

Country Status (1)

Country Link
JP (1) JPS57147339A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007282062A (ja) * 2006-04-10 2007-10-25 Hitachi Communication Technologies Ltd Ｉｐ電話機

Also Published As

Publication number Publication date
JPS57147339A (en) 1982-09-11

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