ID20279A - Aliran arus listrik lup yang dikombinasi, ditektor baterai, dan sirkuit ditektor arus melingkar - Google Patents

Aliran arus listrik lup yang dikombinasi, ditektor baterai, dan sirkuit ditektor arus melingkar

Info

Publication number
ID20279A
ID20279A IDP980688A ID980688A ID20279A ID 20279 A ID20279 A ID 20279A ID P980688 A IDP980688 A ID P980688A ID 980688 A ID980688 A ID 980688A ID 20279 A ID20279 A ID 20279A
Authority
ID
Indonesia
Prior art keywords
electricity
lup
director
battery
combined
Prior art date
Application number
IDP980688A
Other languages
English (en)
Indonesian (id)
Inventor
Jeffrey M Davis
Original Assignee
Hubbell 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 Hubbell Inc filed Critical Hubbell Inc
Publication of ID20279A publication Critical patent/ID20279A/id

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/003—Telephone sets using electrooptical means in the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
IDP980688A 1997-05-15 1998-05-08 Aliran arus listrik lup yang dikombinasi, ditektor baterai, dan sirkuit ditektor arus melingkar ID20279A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/857,220 US5982878A (en) 1997-05-15 1997-05-15 Combined loop current sink, battery detector, and ringing detector circuit

Publications (1)

Publication Number Publication Date
ID20279A true ID20279A (id) 1998-11-19

Family

ID=25325490

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP980688A ID20279A (id) 1997-05-15 1998-05-08 Aliran arus listrik lup yang dikombinasi, ditektor baterai, dan sirkuit ditektor arus melingkar

Country Status (3)

Country Link
US (1) US5982878A (zh)
CN (1) CN1196309C (zh)
ID (1) ID20279A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004510161A (ja) * 2000-09-25 2004-04-02 アボット・ラボラトリーズ 高分子ポリカチオンを用いることにより、特異的結合アッセイにおける血清または血漿含有アッセイ試料の干渉を減少させるための方法及びキット

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317963A (en) * 1980-09-22 1982-03-02 International Telephone And Telegraph Corporation Subscriber line interface circuit utilizing impedance synthesizer and shared voltage source for loop current regulation control
US4558183A (en) * 1983-10-03 1985-12-10 Cellutron Corporation Opto-coupler interfacing circuit
US4731827A (en) * 1984-10-29 1988-03-15 David Systems, Inc. Interswitch line circuit
US4864605A (en) * 1988-03-08 1989-09-05 International Telesystems Corp. Telephone trunk interface circuit
GB2220820B (en) * 1988-07-13 1992-07-08 Philips Electronic Associated Telephone line loop current regulator
US5134611A (en) * 1988-09-30 1992-07-28 Microcom, Inc. Analog/digital data device and method
US4903263A (en) * 1988-10-03 1990-02-20 Network Access Corporation Apparatus and method for providing existing telephone switching equipment with integrated services digital network capability
US5245654A (en) * 1991-10-10 1993-09-14 Cermetek Microelectronics, Inc. Solid state isolation device using opto-isolators
US5323460A (en) * 1992-01-07 1994-06-21 Ag Communication Systems Corporation Enhanced subscriber line interface circuit
IT1254796B (it) * 1992-02-17 1995-10-11 St Microelectronics Srl Dispositivo di limitazione della tensione operativa per interruttori meccanici in telefonia.
US5428682A (en) * 1993-03-12 1995-06-27 Advanced Micro Devices, Inc. Subscriber line interface circuit with reduced on-chip power dissipation
US5619567A (en) * 1994-10-31 1997-04-08 Advanced Micro Devices Variable DC feed characteristic in a subscriber line interface circuit
US5675640A (en) * 1995-05-19 1997-10-07 Lucent Technologies Inc. Telephone ringing signal detector
US5848149A (en) * 1995-05-26 1998-12-08 Lucent Technologies Inc. Subscriber line interface and power circuit
US5610910A (en) * 1995-08-17 1997-03-11 Northern Telecom Limited Access to telecommunications networks in multi-service environment
US5600715A (en) * 1996-02-28 1997-02-04 Lucent Technologies Inc. Integrated loop current detector apparatus for a PSTN modem

Also Published As

Publication number Publication date
US5982878A (en) 1999-11-09
CN1201318A (zh) 1998-12-09
CN1196309C (zh) 2005-04-06

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