SE9604644L - Ringdetekteringskrets och -metod för trådlös/trådförbunden sammansatt telefon - Google Patents

Ringdetekteringskrets och -metod för trådlös/trådförbunden sammansatt telefon

Info

Publication number
SE9604644L
SE9604644L SE9604644A SE9604644A SE9604644L SE 9604644 L SE9604644 L SE 9604644L SE 9604644 A SE9604644 A SE 9604644A SE 9604644 A SE9604644 A SE 9604644A SE 9604644 L SE9604644 L SE 9604644L
Authority
SE
Sweden
Prior art keywords
ring
signal
wireless
blocking
wired
Prior art date
Application number
SE9604644A
Other languages
Unknown language ( )
English (en)
Other versions
SE9604644D0 (sv
Inventor
Bae-Geun Yi
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of SE9604644D0 publication Critical patent/SE9604644D0/sv
Publication of SE9604644L publication Critical patent/SE9604644L/sv

Links

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
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H04M1/72505—Radio link set-up procedures

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
  • Facsimiles In General (AREA)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)
SE9604644A 1995-12-26 1996-12-18 Ringdetekteringskrets och -metod för trådlös/trådförbunden sammansatt telefon SE9604644L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950056552A KR0175447B1 (ko) 1995-12-26 1995-12-26 유무선 복합전화기의 링 검출회로 및 방법

Publications (2)

Publication Number Publication Date
SE9604644D0 SE9604644D0 (sv) 1996-12-18
SE9604644L true SE9604644L (sv) 1997-06-27

Family

ID=19444414

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9604644A SE9604644L (sv) 1995-12-26 1996-12-18 Ringdetekteringskrets och -metod för trådlös/trådförbunden sammansatt telefon

Country Status (6)

Country Link
US (1) US5991604A (sv)
JP (1) JPH09312678A (sv)
KR (1) KR0175447B1 (sv)
CN (1) CN1157518A (sv)
DE (1) DE19653588A1 (sv)
SE (1) SE9604644L (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351533B1 (en) 1998-01-26 2002-02-26 Xircom, Inc. System and method for protecting devices connected to a telephone line
US7110525B1 (en) 2001-06-25 2006-09-19 Toby Heller Agent training sensitive call routing system
US7372952B1 (en) 2002-03-07 2008-05-13 Wai Wu Telephony control system with intelligent call routing
US9818136B1 (en) 2003-02-05 2017-11-14 Steven M. Hoffberg System and method for determining contingent relevance
US7676034B1 (en) 2003-03-07 2010-03-09 Wai Wu Method and system for matching entities in an auction
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
US8300798B1 (en) 2006-04-03 2012-10-30 Wai Wu Intelligent communication routing system and method
CN101771747A (zh) * 2008-12-27 2010-07-07 鸿富锦精密工业（深圳）有限公司 通讯装置
US8933688B2 (en) * 2011-09-29 2015-01-13 Hamilton Sundstrand Corporation Fast AC voltage detector
CN104717369B (zh) * 2015-02-10 2017-07-28 福建星网锐捷通讯股份有限公司 一种基于fpga的集中式振铃检测电路及其方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529845A (en) * 1984-04-02 1985-07-16 Gte Communication Systems Corporation Optical coupling interface circuit for telephone line ringing signal indication or detection
JPS61171262A (ja) * 1985-01-25 1986-08-01 Hashimoto Corp 予め決められた呼出信号で動作する付加装置
JPS61237559A (ja) * 1985-04-15 1986-10-22 Ricoh Co Ltd 呼出信号検出回路
US4720853A (en) * 1985-07-05 1988-01-19 Melita Electronic Labs, Inc. Ring signal discriminator
DE3541547A1 (de) * 1985-11-25 1987-05-27 Ant Nachrichtentech Rufspannungsauswertung
DE3728230A1 (de) * 1987-08-25 1989-03-09 Deutsche Fernsprecher Gmbh Schaltung zur erkennung eines ankommenden rufsignals in einem fernsprechapparat
US4926470A (en) * 1988-10-14 1990-05-15 Sanford David M Telephone call screening circuit
US5260996A (en) * 1990-12-10 1993-11-09 Reliance Comm/Tec Corporation Current limited electronic ringing generator
DE4214125C1 (de) * 1992-04-29 1993-10-21 Siemens Ag Verfahren zur Pegel- und Frequenzüberwachung bei der Übertragung von leitungsgebundenen Signalen für signalabhängige Vorgänge, insbesondere Tonrufeingangssignale zur Auslösung eines Tonrufes in Fernsprechendgeräten
DE4328971C2 (de) * 1993-08-27 1996-06-13 Siemens Ag Verfahren zur empfangsseitigen Detektierung einer über eine Verbindungsleitung übertragenen Signalwechselspannung
US5509068A (en) * 1994-03-25 1996-04-16 Bayless; Samuel R. Electronic ring monitoring device for telecommunications line
JP2986374B2 (ja) * 1994-07-25 1999-12-06 インターナショナル・ビジネス・マシーンズ・コーポレイション 呼出し信号検出装置
US5675640A (en) * 1995-05-19 1997-10-07 Lucent Technologies Inc. Telephone ringing signal detector
US5544241A (en) * 1995-06-27 1996-08-06 Andrew S. Dibner Telephone ring detector
JP2891143B2 (ja) * 1995-07-28 1999-05-17 日本電気株式会社 リングトリップ回路
US5751803A (en) * 1995-11-08 1998-05-12 Shmuel Hershkovit Telephone line coupler

Also Published As

Publication number Publication date
CN1157518A (zh) 1997-08-20
KR970056586A (ko) 1997-07-31
KR0175447B1 (ko) 1999-04-01
SE9604644D0 (sv) 1996-12-18
JPH09312678A (ja) 1997-12-02
US5991604A (en) 1999-11-23
DE19653588A1 (de) 1997-07-31

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