[go: up one dir, main page]

ES415301A2 - Mejoras en los procesos de senalizacion en sistemas de transmision mic. - Google Patents

Mejoras en los procesos de senalizacion en sistemas de transmision mic.

Info

Publication number
ES415301A2
ES415301A2 ES415301A ES415301A ES415301A2 ES 415301 A2 ES415301 A2 ES 415301A2 ES 415301 A ES415301 A ES 415301A ES 415301 A ES415301 A ES 415301A ES 415301 A2 ES415301 A2 ES 415301A2
Authority
ES
Spain
Prior art keywords
polarity
word
pcm
complemented
disadvantage
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
Application number
ES415301A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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
Priority claimed from FR7219338A external-priority patent/FR2187187A6/fr
Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES415301A2 publication Critical patent/ES415301A2/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0614—Systems characterised by the synchronising information used the synchronising signal being characterised by the amplitude, duration or polarity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4923—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes
    • H04L25/4925—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using ternary codes using balanced bipolar ternary codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dc Digital Transmission (AREA)
ES415301A 1972-05-30 1973-05-29 Mejoras en los procesos de senalizacion en sistemas de transmision mic. Expired ES415301A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7219338A FR2187187A6 (es) 1971-05-28 1972-05-30

Publications (1)

Publication Number Publication Date
ES415301A2 true ES415301A2 (es) 1977-07-01

Family

ID=9099340

Family Applications (1)

Application Number Title Priority Date Filing Date
ES415301A Expired ES415301A2 (es) 1972-05-30 1973-05-29 Mejoras en los procesos de senalizacion en sistemas de transmision mic.

Country Status (8)

Country Link
US (1) US3828346A (es)
JP (1) JPS4950813A (es)
AR (1) AR197508A1 (es)
CA (1) CA991748A (es)
CH (1) CH595023A5 (es)
ES (1) ES415301A2 (es)
IT (1) IT998116B (es)
NL (1) NL7307413A (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020282A (en) * 1974-01-14 1977-04-26 General Dynamics Corporation High density data processing system
GB1492134A (en) * 1974-04-23 1977-11-16 Wandel & Goltermann Method of measuring the bit error rate of a regenerated pcm transmission path
FR2316674A1 (fr) * 1975-07-04 1977-01-28 Cit Alcatel Systeme de transmission simultanee de plusieurs pulsations
FR2389278A1 (fr) * 1977-04-29 1978-11-24 Thomson Csf Systeme de stockage magnetique d'informations numeriques codees avec transcodage reversible en code bipolaire a haute densite d'ordre n
FR2407617A1 (fr) * 1977-10-28 1979-05-25 Telecommunications Sa Procede pour recevoir des jonctions codirectionnelles a 64 kbit/s et son dispositif de mise en oeuvre
US4408189A (en) * 1981-05-18 1983-10-04 Northern Telecom Limited Method and apparatus for code conversion of binary to multilevel signals
US4542517A (en) * 1981-09-23 1985-09-17 Honeywell Information Systems Inc. Digital serial interface with encode logic for transmission
GB2144010B (en) * 1983-02-28 1987-06-24 Mitsubishi Electric Corp Pcm signal transfer system
US4528550A (en) * 1983-10-31 1985-07-09 Northern Telecom Limited Method and apparatus for code conversion of binary of multilevel signals
NL8403366A (nl) * 1984-11-06 1986-06-02 Philips Nv Inrichting voor het bewaken van een cmi-codeomvormer.
CA1241120A (en) * 1985-10-01 1988-08-23 Sami A. Aly Alternate mark inversion (ami) receiver
JPS62235851A (ja) * 1986-04-07 1987-10-16 Tamura Electric Works Ltd ボタン電話装置のデ−タ伝送方式
US5257287A (en) * 1990-02-15 1993-10-26 Advanced Micro Devices, Inc. Automatic polarity detection and correction method and apparatus employing linkpulses
US6538584B2 (en) * 2000-12-28 2003-03-25 Intel Corporation Transition reduction encoder using current and last bit sets

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL302292A (es) * 1962-12-28
US3302193A (en) * 1964-01-02 1967-01-31 Bell Telephone Labor Inc Pulse transmission system
US3358083A (en) * 1964-07-28 1967-12-12 Bell Telephone Labor Inc Time-division multiplex digital transmission arrangement employing a linear digital filter
FR1482006A (fr) * 1966-02-09 1967-05-26 Labo Cent Telecommunicat Perfectionnements aux procédés de transmission en modulation codée d'impulsions
US3502810A (en) * 1966-08-15 1970-03-24 Bell Telephone Labor Inc Bipolar pulse transmission system with self-derived timing and drift compensation

Also Published As

Publication number Publication date
IT998116B (it) 1976-01-20
CA991748A (en) 1976-06-22
JPS4950813A (es) 1974-05-17
US3828346A (en) 1974-08-06
CH595023A5 (es) 1978-01-31
AU5602873A (en) 1974-11-28
AR197508A1 (es) 1974-04-15
NL7307413A (es) 1973-12-04

Similar Documents

Publication Publication Date Title
ES415301A2 (es) Mejoras en los procesos de senalizacion en sistemas de transmision mic.
ES403243A1 (es) Mejoras en los procesos de senalizacion en sistemas de transmision por modulacion de impulsos codificados (nic).
NO171878C (no) Fremgangsmaate for aa sende informasjon samt kodeanordning og dekoderingsanordning
GB977306A (en) Improvements in data collection systems
ES374416A1 (es) Metodo para la transmision de datos sobre un sistema de co-municacion pcm.
GB1372907A (en) Digital data transfer systems
GB1087860A (en) Improvements in or relating to pulse transmission apparatus
GB1411521A (en) Binary signal stream encoding systems
GB1079836A (en) Improvements in or relating to binary information transmission systems
GB1069935A (en) Comparator circuit
GB1146728A (en) Improvements in and relating to binary information transmission systems
GB972058A (en) Data transmission system
GB1317831A (en) Data transmission system
GB981296A (en) Improvements in or relating to digital registers
GB970655A (en) Self-checking pulse transmission systems
GB1036329A (en) Binary code transformation system
ES8101827A1 (es) Conexion para la transmision de una serie binaria para transferir datos
GB1200680A (en) Electrical data transmission system
GB1204087A (en) Improvements in or relating to digital data transmission systems
GB1067418A (en) Telegraphic transcoder
SE7408093L (es)
GB984206A (en) Improvements in or relating to data communication apparatus
GB999328A (en) Improvements in and relating to ciphering systems
JPS5643848A (en) Digital transmission error generator
NL7310645A (en) Coding of binary signals into ternary signals - permits illegal codes to economise on check bits