DE69531720D1 - Rufgeneratorschaltung - Google Patents

Rufgeneratorschaltung

Info

Publication number
DE69531720D1
DE69531720D1 DE69531720T DE69531720T DE69531720D1 DE 69531720 D1 DE69531720 D1 DE 69531720D1 DE 69531720 T DE69531720 T DE 69531720T DE 69531720 T DE69531720 T DE 69531720T DE 69531720 D1 DE69531720 D1 DE 69531720D1
Authority
DE
Germany
Prior art keywords
ring
output
signal
generator circuit
amplifier stage
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
DE69531720T
Other languages
English (en)
Other versions
DE69531720T2 (de
Inventor
M K Chen
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.)
Microsemi Semiconductor US Inc
Original Assignee
Advanced Micro Devices Inc
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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Publication of DE69531720D1 publication Critical patent/DE69531720D1/de
Application granted granted Critical
Publication of DE69531720T2 publication Critical patent/DE69531720T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34—Dc amplifiers in which all stages are dc-coupled
    • H03F3/343—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only
    • H03F3/347—Dc amplifiers in which all stages are dc-coupled with semiconductor devices only in integrated circuits
    • 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
DE69531720T 1994-11-15 1995-11-06 Rufgeneratorschaltung Expired - Lifetime DE69531720T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/340,386 US5600713A (en) 1994-11-15 1994-11-15 On-board ring signal generator
US340386 1994-11-15

Publications (2)

Publication Number Publication Date
DE69531720D1 true DE69531720D1 (de) 2003-10-16
DE69531720T2 DE69531720T2 (de) 2004-07-15

Family

ID=23333148

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531720T Expired - Lifetime DE69531720T2 (de) 1994-11-15 1995-11-06 Rufgeneratorschaltung

Country Status (6)

Country Link
US (1) US5600713A (de)
EP (1) EP0713320B1 (de)
JP (1) JP3892070B2 (de)
KR (1) KR100428419B1 (de)
AT (1) ATE249704T1 (de)
DE (1) DE69531720T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08288983A (ja) * 1995-04-17 1996-11-01 Tokyo Tsuuki:Kk リンガ回路
IL131117A0 (en) 1999-07-26 2001-01-28 Eci Telecom Ltd Sine wave generator suitable for ringer
US6690792B1 (en) 1999-11-19 2004-02-10 Adtran Inc. Active decoupling and power management circuit for line-powered ringing generator
DE10140357C2 (de) * 2001-08-17 2003-07-24 Infineon Technologies Ag Telefonsystem mit regelbarer Klingelspannung
US8379839B2 (en) * 2009-08-07 2013-02-19 Microsemi Semiconductor (U.S.) Inc. Method and apparatus for controlling ringing voltage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904833A (en) * 1973-06-04 1975-09-09 Superior Continental Corp Ringing generator circuit with capacitor storage
CH604453A5 (de) * 1976-06-25 1978-09-15 Ibm
NL7904159A (nl) * 1979-05-28 1980-12-02 Philips Nv Inrichting voor het toevoeren van signalen aan een telefoonlijn.
GB2128446B (en) * 1982-10-02 1985-09-04 Standard Telephones Cables Ltd Telecommunication exchange
US4675899A (en) * 1984-07-20 1987-06-23 Om Ahuja Frequency ring director
DE3633967A1 (de) * 1986-02-17 1987-08-20 Hoechst Ag Chirale umsetzungsprodukte aus mesogenen molekuelbausteinen und bifunktionell reaktionsfaehigen alkandiolderivaten und ihre verwendung als dotierstoff in fluessigkristall-phasen
IT1204809B (it) * 1986-02-19 1989-03-10 Sgs Microelettronica Spa Struttura di amplificatore di potenza per basse frequenze,in particolare di tipo integrato,ad alta stabilita'
IT1213306B (it) * 1986-07-29 1989-12-20 Sgs Microelettronica Spa Circuito telefonico, integrabile monoliticamente, per l'invio disegnali di suoneria in una linea telefonica d'utente e per il riconoscimento dello sgangio in fase di suoneria.
CA1289280C (en) * 1988-08-15 1991-09-17 Rolf Meier Line card with distributed signaling voltages
US5321596A (en) * 1991-03-25 1994-06-14 Raynet Corporation DC/DC/AC power supply for a subscriber interphase unit

Also Published As

Publication number Publication date
DE69531720T2 (de) 2004-07-15
KR960020292A (ko) 1996-06-17
US5600713A (en) 1997-02-04
EP0713320B1 (de) 2003-09-10
KR100428419B1 (ko) 2006-02-28
JPH08298542A (ja) 1996-11-12
JP3892070B2 (ja) 2007-03-14
ATE249704T1 (de) 2003-09-15
EP0713320A1 (de) 1996-05-22

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: LEGERITY ,INC.(N.D.GES.D.STAATES DELAWARE), AUSTIN

8364 No opposition during term of opposition