JPS554185A - Measuring circuit for dial pulse distortion - Google Patents

Measuring circuit for dial pulse distortion

Info

Publication number
JPS554185A
JPS554185A JP7774878A JP7774878A JPS554185A JP S554185 A JPS554185 A JP S554185A JP 7774878 A JP7774878 A JP 7774878A JP 7774878 A JP7774878 A JP 7774878A JP S554185 A JPS554185 A JP S554185A
Authority
JP
Japan
Prior art keywords
distortion
dial
generates
monostable multivibrator
pulse
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.)
Pending
Application number
JP7774878A
Other languages
English (en)
Inventor
Shizuo Asano
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7774878A priority Critical patent/JPS554185A/ja
Publication of JPS554185A publication Critical patent/JPS554185A/ja
Pending 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
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP7774878A 1978-06-26 1978-06-26 Measuring circuit for dial pulse distortion Pending JPS554185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7774878A JPS554185A (en) 1978-06-26 1978-06-26 Measuring circuit for dial pulse distortion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7774878A JPS554185A (en) 1978-06-26 1978-06-26 Measuring circuit for dial pulse distortion

Publications (1)

Publication Number Publication Date
JPS554185A true JPS554185A (en) 1980-01-12

Family

ID=13642527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7774878A Pending JPS554185A (en) 1978-06-26 1978-06-26 Measuring circuit for dial pulse distortion

Country Status (1)

Country Link
JP (1) JPS554185A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183332U (ja) * 1981-01-23 1982-11-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57183332U (ja) * 1981-01-23 1982-11-20

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