HK1029239A1 - Full featured data access arrangement for use with modems - Google Patents

Full featured data access arrangement for use with modems

Info

Publication number
HK1029239A1
HK1029239A1 HK00105812A HK00105812A HK1029239A1 HK 1029239 A1 HK1029239 A1 HK 1029239A1 HK 00105812 A HK00105812 A HK 00105812A HK 00105812 A HK00105812 A HK 00105812A HK 1029239 A1 HK1029239 A1 HK 1029239A1
Authority
HK
Hong Kong
Prior art keywords
hook
daa
modem
circuit
detect
Prior art date
Application number
HK00105812A
Other languages
English (en)
Inventor
Jeffrey Lee
Original Assignee
Conexant Systems 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 Conexant Systems Inc filed Critical Conexant Systems Inc
Publication of HK1029239A1 publication Critical patent/HK1029239A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Small-Scale Networks (AREA)
  • Telephone Function (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
HK00105812A 1997-05-28 2000-09-15 Full featured data access arrangement for use with modems HK1029239A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/864,659 US6005923A (en) 1997-05-28 1997-05-28 Full featured data access arrangement for use with modems
PCT/US1998/010613 WO1998054886A1 (en) 1997-05-28 1998-05-26 Full featured data access arrangement for use with modems

Publications (1)

Publication Number Publication Date
HK1029239A1 true HK1029239A1 (en) 2001-03-23

Family

ID=25343769

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00105812A HK1029239A1 (en) 1997-05-28 2000-09-15 Full featured data access arrangement for use with modems

Country Status (10)

Country Link
US (2) US6005923A (de)
EP (1) EP0985311B1 (de)
JP (1) JP3396225B2 (de)
KR (1) KR100325777B1 (de)
CN (1) CN1134966C (de)
AT (1) ATE201121T1 (de)
CA (1) CA2288608A1 (de)
DE (1) DE69800772T2 (de)
HK (1) HK1029239A1 (de)
WO (1) WO1998054886A1 (de)

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US6144326A (en) 1997-04-22 2000-11-07 Silicon Laboratories, Inc. Digital isolation system with ADC offset calibration
US6167132A (en) * 1997-04-22 2000-12-26 Silicon Laboratories, Inc. Analog successive approximation (SAR) analog-to-digital converter (ADC)
US6442213B1 (en) 1997-04-22 2002-08-27 Silicon Laboratories Inc. Digital isolation system with hybrid circuit in ADC calibration loop
US5870046A (en) 1997-04-22 1999-02-09 Silicon Laboratories Inc. Analog isolation system with digital communication across a capacitive barrier
US6307891B1 (en) 1997-04-22 2001-10-23 Silicon Laboratories, Inc. Method and apparatus for freezing a communication link during a disruptive event
US6222922B1 (en) 1997-04-22 2001-04-24 Silicon Laboratories, Inc. Loop current monitor circuitry and method for a communication system
US6167134A (en) 1997-04-22 2000-12-26 Silicon Laboratories, Inc. External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
US6359983B1 (en) 1997-04-22 2002-03-19 Silicon Laboratories, Inc. Digital isolation system with data scrambling
US6456712B1 (en) 1997-04-22 2002-09-24 Silicon Laboratories Inc. Separation of ring detection functions across isolation barrier for minimum power
US6442271B1 (en) 1997-04-22 2002-08-27 Silicon Laboratories, Inc. Digital isolation system with low power mode
US6298133B1 (en) * 1997-04-22 2001-10-02 Silicon Laboratories, Inc. Telephone line interface architecture using ringer inputs for caller ID data
US6498825B1 (en) 1997-04-22 2002-12-24 Silicon Laboratories Inc. Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting
US6389134B1 (en) 1997-04-22 2002-05-14 Silicon Laboratories, Inc. Call progress monitor circuitry and method for a communication system
US6137827A (en) 1997-04-22 2000-10-24 Silicon Laboratories, Inc. Isolation system with digital communication across a capacitive barrier
US6408034B1 (en) 1997-04-22 2002-06-18 Silicon Laboratories, Inc. Framed delta sigma data with unlikely delta sigma data patterns
US6160885A (en) * 1997-04-22 2000-12-12 Silicon Laboratories, Inc. Caller ID circuit powered through hookswitch devices
US6385235B1 (en) 1997-04-22 2002-05-07 Silicon Laboratories, Inc. Direct digital access arrangement circuitry and method for connecting to phone lines
US6480602B1 (en) 1997-04-22 2002-11-12 Silicon Laboratories, Inc. Ring-detect interface circuitry and method for a communication system
US6504864B1 (en) 1997-04-22 2003-01-07 Silicon Laboratories Inc. Digital access arrangement circuitry and method for connecting to phone lines having a second order DC holding circuit
US6587560B1 (en) 1997-04-22 2003-07-01 Silicon Laboratories Inc. Low voltage circuits powered by the phone line
US6289070B1 (en) 1997-04-22 2001-09-11 Silicon Laboratories, Inc. Digital isolation system with ADC offset calibration including coarse offset
US6516024B1 (en) 1997-04-22 2003-02-04 Silicon Laboratories Inc. Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with low distortion and current limiting
US6714590B1 (en) * 1999-07-23 2004-03-30 Silicon Laboratories, Inc. Integrated modem and line-isolation circuitry and associated method
US6724891B1 (en) 1998-03-04 2004-04-20 Silicon Laboratories Inc. Integrated modem and line-isolation circuitry and associated method powering caller ID circuitry with power provided across an isolation barrier
US6711160B2 (en) * 1998-03-31 2004-03-23 International Business Machines Corporation Packet network telephone interface system for POTS
US6744888B1 (en) * 1998-11-16 2004-06-01 Agere Systems Inc. Line interface circuit with event detection signaling
US6662238B1 (en) 1999-07-23 2003-12-09 Silicon Laboratories Inc. Integrated modem and line-isolation circuitry with command mode and data mode control and associated method
US7020187B1 (en) 1999-07-23 2006-03-28 Silicon Laboratories Inc. Integrated modem and line-isolation circuitry with HDLC framing and associated method
US6735246B1 (en) 1999-07-23 2004-05-11 Silicon Laboratories Inc. Integrated modem and line-isolation circuitry with data flow control and associated method
US6826225B1 (en) 1999-07-23 2004-11-30 Silicon Laboratories, Inc. Integrated modem and line-isolation circuitry with selective raw data or modem data communication and associated method
US6700974B1 (en) * 1999-09-16 2004-03-02 Conexant Systems, Inc. Switching power supply for generating a ringing voltage
US7227933B1 (en) 2000-01-12 2007-06-05 Multi-Tech Systems, Inc. System and method for remote management of a DSL device
US6442248B1 (en) 2000-01-12 2002-08-27 Multi-Tech Systems, Inc. System for providing analog and digital telephone functions using a single telephone line
FR2808396B1 (fr) * 2000-04-27 2003-01-31 St Microelectronics Sa Circuit de detection de prise de ligne
US7127209B2 (en) * 2001-04-27 2006-10-24 Agere Systems Inc. Method and system for providing accurate service record using phone line detector
US6687344B1 (en) 2001-09-07 2004-02-03 Pctel,Inx. Parallel handset on-hook/off-hook detection by software-based signal power measurement
JP3961934B2 (ja) * 2001-12-20 2007-08-22 株式会社リコー ファクシミリ装置
US7277491B2 (en) * 2002-05-14 2007-10-02 Ess Technology, Inc. Data access arrangement using a high frequency transformer for electrical isolation
KR100484169B1 (ko) * 2002-10-17 2005-04-19 삼성전자주식회사 통신 단말장치 및 그 이용방법
US7218713B1 (en) 2003-04-15 2007-05-15 Silicon Laboratories Inc. Telephone line interface for DAA circuitry
JP4192856B2 (ja) * 2004-07-07 2008-12-10 ブラザー工業株式会社 通信装置，回線閉結方法およびプログラム
RU2413379C2 (ru) * 2005-09-15 2011-02-27 Тайко Сэйфти Продактс Канада Лтд. Связной интерфейс телефонной линии
US7835516B2 (en) * 2005-12-29 2010-11-16 Tyco Safety Products Canada Ltd. Direct access arrangement device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640988A (en) * 1984-04-03 1987-02-03 Robinton Products, Inc. Telephone interrupter
US5291545A (en) * 1990-10-02 1994-03-01 Intertex Data Ab Apparatus and method for determining the state of a telephone line
US5506891A (en) * 1993-07-06 1996-04-09 Cirrus Logic, Inc. Method and apparatus for detecting the connection status of an extension phone connected to a voice/fax/data modem
US5422939A (en) * 1993-08-05 1995-06-06 Schlumberger Industries, Inc. Parallel off-hook detection for both line-available and phone pick-up detection
US5535265A (en) * 1993-11-15 1996-07-09 Ast Research, Inc. Method and circuitry for controlling voice mail, call logging and call blocking functions using a modem
US5519767A (en) * 1995-07-20 1996-05-21 At&T Corp. Voice-and-data modem call-waiting
US6134321A (en) * 1995-12-22 2000-10-17 Thomas Licensing S.A. Modem loop current detect system to detect an off-hook condition in an extension telephone
US5867560A (en) * 1996-05-24 1999-02-02 Rockwell International Corporation Remote hang-up detector

Also Published As

Publication number Publication date
KR20010012944A (ko) 2001-02-26
WO1998054886A1 (en) 1998-12-03
US6456703B1 (en) 2002-09-24
ATE201121T1 (de) 2001-05-15
JP3396225B2 (ja) 2003-04-14
EP0985311A1 (de) 2000-03-15
US6005923A (en) 1999-12-21
CA2288608A1 (en) 1998-12-03
DE69800772T2 (de) 2001-11-29
DE69800772D1 (de) 2001-06-13
JP2000513186A (ja) 2000-10-03
KR100325777B1 (ko) 2002-03-06
CN1258410A (zh) 2000-06-28
CN1134966C (zh) 2004-01-14
EP0985311B1 (de) 2001-05-09

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20070526