KR100518253B1 - 링트립을 검출하는 방법 및 장치 - Google Patents

링트립을 검출하는 방법 및 장치 Download PDF

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Publication number
KR100518253B1
KR100518253B1 KR10-1999-7005089A KR19997005089A KR100518253B1 KR 100518253 B1 KR100518253 B1 KR 100518253B1 KR 19997005089 A KR19997005089 A KR 19997005089A KR 100518253 B1 KR100518253 B1 KR 100518253B1
Authority
KR
South Korea
Prior art keywords
call
counter
output
zero pass
phase difference
Prior art date
Application number
KR10-1999-7005089A
Other languages
English (en)
Korean (ko)
Other versions
KR20000069368A (ko
Inventor
보킨게보
Original Assignee
인피니온 테크놀로지스 아게
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
Priority claimed from SE9604545A external-priority patent/SE511917C2/sv
Application filed by 인피니온 테크놀로지스 아게 filed Critical 인피니온 테크놀로지스 아게
Publication of KR20000069368A publication Critical patent/KR20000069368A/ko
Application granted granted Critical
Publication of KR100518253B1 publication Critical patent/KR100518253B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Measurement Of Current Or Voltage (AREA)
KR10-1999-7005089A 1996-12-10 1997-11-18 링트립을 검출하는 방법 및 장치 KR100518253B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9604545-5 1996-12-10
SE9604545A SE511917C2 (sv) 1996-12-10 1996-12-10 Förfarande för anordning för att detektera en ringbortkoppling
PCT/SE1997/001937 WO1998026573A2 (en) 1996-12-10 1997-11-18 Method and device for detecting a ringtrip

Publications (2)

Publication Number Publication Date
KR20000069368A KR20000069368A (ko) 2000-11-25
KR100518253B1 true KR100518253B1 (ko) 2005-09-30

Family

ID=20404927

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1999-7005089A KR100518253B1 (ko) 1996-12-10 1997-11-18 링트립을 검출하는 방법 및 장치

Country Status (6)

Country Link
JP (1) JP2001506081A (zh)
KR (1) KR100518253B1 (zh)
CN (1) CN1156139C (zh)
CA (1) CA2274525A1 (zh)
DE (1) DE69734112T2 (zh)
TW (1) TW366639B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110850151B (zh) * 2019-11-04 2022-04-12 易事特集团股份有限公司 过零判断方法和过零判断装置

Also Published As

Publication number Publication date
DE69734112D1 (de) 2005-10-06
KR20000069368A (ko) 2000-11-25
TW366639B (en) 1999-08-11
CN1245611A (zh) 2000-02-23
CN1156139C (zh) 2004-06-30
JP2001506081A (ja) 2001-05-08
CA2274525A1 (en) 1998-06-18
DE69734112T2 (de) 2006-07-13

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