ES549337A0 - Modem de interfase de lineas de abonados,para ser utilizado en un modulo de interfase de lineas de un sistema de teleco-municaciones - Google Patents

Modem de interfase de lineas de abonados,para ser utilizado en un modulo de interfase de lineas de un sistema de teleco-municaciones

Info

Publication number
ES549337A0
ES549337A0 ES549337A ES549337A ES549337A0 ES 549337 A0 ES549337 A0 ES 549337A0 ES 549337 A ES549337 A ES 549337A ES 549337 A ES549337 A ES 549337A ES 549337 A0 ES549337 A0 ES 549337A0
Authority
ES
Spain
Prior art keywords
line interface
information
modem
cdm
microprocessor
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.)
Granted
Application number
ES549337A
Other languages
English (en)
Other versions
ES8705176A1 (es
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.)
Plessey Overseas Ltd
Original Assignee
Plessey Overseas 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 Plessey Overseas Ltd filed Critical Plessey Overseas Ltd
Publication of ES8705176A1 publication Critical patent/ES8705176A1/es
Publication of ES549337A0 publication Critical patent/ES549337A0/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C13/00—Arrangements for influencing the relationship between signals at input and output, e.g. differentiating, delaying
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Communication Control (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
ES549337A 1984-11-28 1985-11-27 Modem de interfase de lineas de abonados,para ser utilizado en un modulo de interfase de lineas de un sistema de teleco-municaciones Expired ES8705176A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848430003A GB8430003D0 (en) 1984-11-28 1984-11-28 Subscriber line interface modem

Publications (2)

Publication Number Publication Date
ES8705176A1 ES8705176A1 (es) 1987-04-16
ES549337A0 true ES549337A0 (es) 1987-04-16

Family

ID=10570377

Family Applications (1)

Application Number Title Priority Date Filing Date
ES549337A Expired ES8705176A1 (es) 1984-11-28 1985-11-27 Modem de interfase de lineas de abonados,para ser utilizado en un modulo de interfase de lineas de un sistema de teleco-municaciones

Country Status (10)

Country Link
US (1) US4811358A (es)
EP (1) EP0183530B1 (es)
KR (1) KR860004374A (es)
AT (1) ATE84180T1 (es)
DE (1) DE3586943T2 (es)
EG (1) EG17443A (es)
ES (1) ES8705176A1 (es)
GB (2) GB8430003D0 (es)
GR (1) GR852855B (es)
NO (1) NO168680C (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259000A (en) * 1987-08-26 1993-11-02 Hitachi, Ltd. Modulator-demodulator apparatus and system
US4916444A (en) * 1988-03-25 1990-04-10 King Fred N Method and apparatus for mapping communications media
WO1990009062A1 (en) * 1989-01-27 1990-08-09 Dallas Semiconductor Corporation Transceiver with serial control port
US5241402A (en) * 1989-12-04 1993-08-31 Xerox Corporation Concurrent modem control in a reprographic machine
ZA931077B (en) * 1992-03-05 1994-01-04 Qualcomm Inc Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system
KR0174484B1 (ko) * 1996-03-13 1999-04-01 김광호 고속 모드 변환 기능을 갖는 모뎀용 리셋장치
US7680251B2 (en) * 2005-09-13 2010-03-16 Motorola, Inc. Prevention of an alarm activation and supporting methods and apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1082802B (it) * 1977-05-02 1985-05-21 Cselt Centro Studi Lab Telecom Unita microprogrammata per una apparecchiatura di terminazione di rete in trasmissione dati integrata con dispositivo di mo demodulazione e per la relativa apparecchiatura di centrale
US4097695A (en) * 1977-07-11 1978-06-27 Grace Alan G V Asynchronous addressable multiplex system
US4263670A (en) * 1979-05-11 1981-04-21 Universal Data Systems, Inc. Microprocessor data modem
US4324000A (en) * 1980-01-09 1982-04-06 Communications Satellite Corporation Termination circuit for FDM/TDM processors
US4450556A (en) * 1980-10-17 1984-05-22 Northern Telecom Limited Digital signal subscriber loop and interface circuit
US4431867A (en) * 1981-06-15 1984-02-14 Hayes Microcomputer Products, Inc. Modem with low part count and improved demodulator
US4432089A (en) * 1981-12-24 1984-02-14 Motorola, Inc. Digital loop transceiver for interfacing a digital PABX to a digital subscriber set via a subscriber line

Also Published As

Publication number Publication date
ES8705176A1 (es) 1987-04-16
EP0183530A3 (en) 1988-09-28
GR852855B (es) 1986-03-28
GB8525508D0 (en) 1985-11-20
GB8430003D0 (en) 1985-01-09
DE3586943T2 (de) 1993-04-29
EP0183530B1 (en) 1992-12-30
US4811358A (en) 1989-03-07
ATE84180T1 (de) 1993-01-15
KR860004374A (ko) 1986-06-20
EP0183530A2 (en) 1986-06-04
NO168680B (no) 1991-12-09
GB2167922A (en) 1986-06-04
DE3586943D1 (de) 1993-02-11
EG17443A (en) 1989-06-30
GB2167922B (en) 1988-08-03
NO168680C (no) 1992-03-18
NO854656L (no) 1986-05-29

Similar Documents

Publication Publication Date Title
ES8800551A1 (es) Un aparato para transmitir y recibir datos digitales sobre un canal de banda limitada
ES8201378A1 (es) Sistema de comunicacion digital
DE69427399D1 (de) Datenübertragungseinrichtung
DE69912628D1 (de) Kodierung/dekodierung von zusätzlichen symbolen in einem kommunikationssystem
EG17443A (en) Subscriber line interface modem
KR840008105A (ko) 통신 스테이션
ES8700526A1 (es) Un conmutador digital de central de derivacion privada, capaz de transmision de senales vocales y de datos.
DE3475155D1 (en) Announcement system
EP0090047A4 (en) Encoding and decoding system for binary data.
ATE154996T1 (de) System zur vermeidung der erzeugung unerwünschter symbole durch einem verwürfler
EP0195421A3 (en) System for the synchronisation of digital information signals
SE7511637L (sv) Tvatradigt dataoverforingssystem
JPS55117397A (en) Digital channel system for remote station
NO822531L (no) System for digital basisbaandtransmisjon i begge retningene til en to-traadsledning
GB915608A (en) Circuit arrangement for a telecommunications installation
KR840004639A (ko) 텔레비젼 수상기의 데이타 전송방법
YU132190A (sh) Uređaj za vezu za prenos podataka preko svetlovoda
JPS57106293A (en) Data terminal receiving system time division exchange system
JPS5526714A (en) Digital transmission system
ES8407606A1 (es) Sistema transmisor-receptor de datos entre un ordenador y una lina telegrafica
JPS56122268A (en) Digital signal system for exchange
DE3680397D1 (de) Digitaler teilnehmeranschluss.
JPS57125555A (en) Code conversion system
JPS5778295A (en) Subscriber line concentrator allocating system
JPS56147593A (en) Carrier system for digital subscriber line

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401