IT1173660B - Circuito di interfaccia digitale per interfacciare apparecchiature a dati digitali - Google Patents

Circuito di interfaccia digitale per interfacciare apparecchiature a dati digitali

Info

Publication number
IT1173660B
IT1173660B IT20358/83A IT2035883A IT1173660B IT 1173660 B IT1173660 B IT 1173660B IT 20358/83 A IT20358/83 A IT 20358/83A IT 2035883 A IT2035883 A IT 2035883A IT 1173660 B IT1173660 B IT 1173660B
Authority
IT
Italy
Prior art keywords
interface circuit
interfacing
digital
data equipment
digital data
Prior art date
Application number
IT20358/83A
Other languages
English (en)
Other versions
IT8320358A0 (it
Inventor
Tore Leif Christensen
Gail Lynn Haygood
Douglas Albert Spencer
Steven James Szymanski
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of IT8320358A0 publication Critical patent/IT8320358A0/it
Application granted granted Critical
Publication of IT1173660B publication Critical patent/IT1173660B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
IT20358/83A 1982-03-30 1983-03-29 Circuito di interfaccia digitale per interfacciare apparecchiature a dati digitali IT1173660B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/363,424 US4488294A (en) 1982-03-30 1982-03-30 Establishing and supporting data traffic in private branch exchanges

Publications (2)

Publication Number Publication Date
IT8320358A0 IT8320358A0 (it) 1983-03-29
IT1173660B true IT1173660B (it) 1987-06-24

Family

ID=23430149

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20358/83A IT1173660B (it) 1982-03-30 1983-03-29 Circuito di interfaccia digitale per interfacciare apparecchiature a dati digitali

Country Status (5)

Country Link
US (1) US4488294A (it)
KR (1) KR840004638A (it)
AU (1) AU1258383A (it)
GB (1) GB2118400A (it)
IT (1) IT1173660B (it)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607364A (en) * 1983-11-08 1986-08-19 Jeffrey Neumann Multimode data communication system
US4642805A (en) * 1984-06-25 1987-02-10 Rolm Corporation Digital link for telephone station sets
US4719617A (en) * 1985-02-25 1988-01-12 U.S. Holding Company Full service voice/data system
US4789981A (en) * 1985-02-25 1988-12-06 Alcatel N.V. System for providing data services to a circuit switched exchange
US4716562A (en) * 1985-03-12 1987-12-29 Pacific Bell Telephone system
US4718082A (en) * 1985-09-18 1988-01-05 Ark Electronics Modem for effecting full duplex asynchronous/synchronous digital data communications over voice grade telephone link
US4805194A (en) * 1985-10-17 1989-02-14 Ampex Corporation Serial data communication system
GB2191068A (en) * 1986-05-28 1987-12-02 Marconi Instruments Ltd Electrical apparatus for extracting clock signals
US4808937A (en) * 1986-07-15 1989-02-28 Hayes Microcomputer Products, Inc. Phase-locked loop for a modem
US4910474A (en) * 1986-07-15 1990-03-20 Hayes Microcomputer Products, Inc. Method and apparatus for generating phase and amplitude modulated signals
US4868864A (en) * 1986-07-15 1989-09-19 Hayes Microcomputer Products, Inc. Autocorrelating 2400 bps handshake sequence detector
US4849703A (en) * 1986-07-15 1989-07-18 Hayes Microcomputer Products, Inc. Method and apparatus for generating a data sampling clock locked to a baud clock contained in a data signal
US5040194A (en) * 1986-07-15 1991-08-13 Hayes Microcomputer Products, Inc. Method and apparatus for providing for automatic gain control of incoming signals in a modem
US4908819A (en) * 1987-06-08 1990-03-13 Seiscor Technologies, Inc. Integrated data voice multiplexer supporting handshake and loop-back protocols
US4805171A (en) * 1987-07-10 1989-02-14 Solid State Systems, Inc. Unitary PCM rate converter and multiframe buffer
FR2626426B1 (fr) * 1988-01-22 1994-02-25 Telic Alcatel Systeme de commutation temporelle
FR2657482B1 (fr) * 1990-01-19 1993-12-31 Boyer Pierre Methode et systeme de lissage et de controle de debits de communications temporelles asynchrones.
FR2665596B1 (fr) * 1990-08-02 1994-08-05 Matra Communication Procede et dispositif d'adaptation d'un signal transmis entre deux reseaux numeriques.
US5307342A (en) * 1991-08-30 1994-04-26 International Business Machines Corporation Heterogeneous ports switch
GB2271485B (en) * 1992-10-08 1996-05-08 Richard John Hocking Telecommunication apparatus
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
GB2333916B (en) * 1998-01-09 2001-08-01 Plessey Semiconductors Ltd A phase detector
US6934381B1 (en) 1999-08-16 2005-08-23 Avaya Technology Corp. Contact routing system and method
US7039150B1 (en) * 1999-10-13 2006-05-02 Xicor, Inc. Serial interface for a battery management system
US7042908B1 (en) * 2000-07-10 2006-05-09 Nortel Networks Limited Method and apparatus for transmitting arbitrary electrical signals over a data network
CN1533660B (zh) * 2001-07-20 2010-12-22 Nxp股份有限公司 识别可变数据速率的方法与装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3461245A (en) * 1965-11-09 1969-08-12 Bell Telephone Labor Inc System for time division multiplexed signals from asynchronous pulse sources by inserting control pulses
US3497627A (en) * 1966-04-15 1970-02-24 Ibm Rate conversion system
GB1206714A (en) * 1968-01-22 1970-09-30 Plessey Telecomm Res Ltd Improvements in or relating to telegraph signalling systems
US3652800A (en) * 1970-05-27 1972-03-28 North Electric Co Digital pulse transmission through an analog tdm switching system
US3746800A (en) * 1971-08-16 1973-07-17 Rixon Clock recovery system
US3862373A (en) * 1972-01-06 1975-01-21 Databit Inc Adaptive sampling rate time division multiplexer and method
US3739351A (en) * 1972-02-22 1973-06-12 Us Navy Phase control circuits
FR2206544B1 (it) * 1972-11-10 1976-12-31 Trt Telecom Radio Electr
US3789154A (en) * 1972-12-11 1974-01-29 Bell Telephone Labor Inc Switchhook status signaling arrangement
US3934099A (en) * 1974-08-16 1976-01-20 Bell Telephone Laboratories, Incorporated Bias, feedback and network arrangements for hybrid circuits
GB1479313A (en) * 1975-03-26 1977-07-13 Marconi Co Ltd Digital data rate converters
US4025720A (en) * 1975-05-30 1977-05-24 Gte Automatic Electric Laboratories Incorporated Digital bit rate converter
IT1074199B (it) * 1976-12-23 1985-04-17 Italiana Telecomunicazioni Ora Memoria elastica per la soppressione del disturbo di fase (jitter)nei sistemi di trasmissione per segnali digitali
US4270183A (en) * 1977-02-11 1981-05-26 Lockheed Aircraft Corp. Data dejittering apparatus
US4247937A (en) * 1977-11-24 1981-01-27 Plessey Handel Und Investments Ag Synthesis arrangements for use in digital data transmission systems
US4154985A (en) * 1978-04-28 1979-05-15 Northern Telecom Limited Interface circuit for digital telephone facilities
US4206322A (en) * 1978-09-25 1980-06-03 Bell Telephone Laboratories, Incorporated Time-division switching system for multirate data
US4229815A (en) * 1978-11-20 1980-10-21 Bell Telephone Laboratories, Incorporated Full duplex bit synchronous data rate buffer
US4215245A (en) * 1978-12-29 1980-07-29 Bell Telephone Laboratories, Incorporated Variable rate synchronous digital transmission system
JPS5923660B2 (ja) * 1979-02-19 1984-06-04 株式会社日立製作所 ディジタル信号伝送方式
US4259738A (en) * 1979-05-18 1981-03-31 Raytheon Company Multiplexer system providing improved bit count integrity
IT1146176B (it) * 1980-02-07 1986-11-12 Italdata Spa Dispositivo interfacciale per la gestione automatica di una linea telefonica commutata
DE3106388A1 (de) * 1981-02-20 1982-09-16 Siemens AG, 1000 Berlin und 8000 München Digital-vermittlungseinrichtung
US4398287A (en) * 1981-09-01 1983-08-09 Bell Telephone Laboratories, Incorporated Digital switching over PAM bus system

Also Published As

Publication number Publication date
IT8320358A0 (it) 1983-03-29
GB2118400A (en) 1983-10-26
US4488294A (en) 1984-12-11
KR840004638A (ko) 1984-10-22
AU1258383A (en) 1983-10-06
GB8308157D0 (en) 1983-05-05

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