JPH0241941B2 - - Google Patents

Info

Publication number
JPH0241941B2
JPH0241941B2 JP56197073A JP19707381A JPH0241941B2 JP H0241941 B2 JPH0241941 B2 JP H0241941B2 JP 56197073 A JP56197073 A JP 56197073A JP 19707381 A JP19707381 A JP 19707381A JP H0241941 B2 JPH0241941 B2 JP H0241941B2
Authority
JP
Japan
Prior art keywords
circuit
value
counting
ringing signal
signal current
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 - Lifetime
Application number
JP56197073A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5897949A (ja
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 filed Critical
Priority to JP19707381A priority Critical patent/JPS5897949A/ja
Publication of JPS5897949A publication Critical patent/JPS5897949A/ja
Publication of JPH0241941B2 publication Critical patent/JPH0241941B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP19707381A 1981-12-08 1981-12-08 リングトリップ回路 Granted JPS5897949A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19707381A JPS5897949A (ja) 1981-12-08 1981-12-08 リングトリップ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19707381A JPS5897949A (ja) 1981-12-08 1981-12-08 リングトリップ回路

Publications (2)

Publication Number Publication Date
JPS5897949A JPS5897949A (ja) 1983-06-10
JPH0241941B2 true JPH0241941B2 (enrdf_load_stackoverflow) 1990-09-20

Family

ID=16368260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19707381A Granted JPS5897949A (ja) 1981-12-08 1981-12-08 リングトリップ回路

Country Status (1)

Country Link
JP (1) JPS5897949A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9400186D0 (sv) * 1994-01-21 1994-01-21 Ericsson Telefon Ab L M Förfarande i ett telekommunikationssystem

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104509A (enrdf_load_stackoverflow) * 1974-01-18 1975-08-18
IT1128374B (it) * 1980-02-19 1986-05-28 Cselt Centro Studi Lab Telecom Circuito telefonico per la generazione del ritmo di suoneria ed il riconoscimento dello sgancio

Also Published As

Publication number Publication date
JPS5897949A (ja) 1983-06-10

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