BE872892A - Procede et appareil pour l'identification de la polarite d'un signal de message transmis - Google Patents

Procede et appareil pour l'identification de la polarite d'un signal de message transmis

Info

Publication number
BE872892A
BE872892A BE192418A BE192418A BE872892A BE 872892 A BE872892 A BE 872892A BE 192418 A BE192418 A BE 192418A BE 192418 A BE192418 A BE 192418A BE 872892 A BE872892 A BE 872892A
Authority
BE
Belgium
Prior art keywords
polarity
identifying
message signal
transmitted message
transmitted
Prior art date
Application number
BE192418A
Other languages
English (en)
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 BE872892A publication Critical patent/BE872892A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Current Or Voltage (AREA)
BE192418A 1977-12-23 1978-12-20 Procede et appareil pour l'identification de la polarite d'un signal de message transmis BE872892A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/863,870 US4176248A (en) 1977-12-23 1977-12-23 System for identifying and correcting the polarity of a data signal

Publications (1)

Publication Number Publication Date
BE872892A true BE872892A (fr) 1979-04-17

Family

ID=25341971

Family Applications (1)

Application Number Title Priority Date Filing Date
BE192418A BE872892A (fr) 1977-12-23 1978-12-20 Procede et appareil pour l'identification de la polarite d'un signal de message transmis

Country Status (11)

Country Link
US (1) US4176248A (fr)
JP (1) JPS5492003A (fr)
BE (1) BE872892A (fr)
CA (1) CA1120119A (fr)
CH (1) CH640677A5 (fr)
DE (1) DE2854882C2 (fr)
FR (1) FR2412993A1 (fr)
GB (1) GB2011228B (fr)
IT (1) IT7869930A0 (fr)
NL (1) NL7812516A (fr)
SE (1) SE7812923L (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213365A1 (de) * 1982-04-10 1983-10-20 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen Verfahren und einrichtung zur optischen uebertragung elektrischer signale mit positiven und negativen spannungswerten
NL8401310A (nl) * 1984-04-24 1985-11-18 Philips Nv Inrichting voor het opwekken van een kloksignaal.
US4644565A (en) * 1984-06-12 1987-02-17 Canadian Patents And Development Limited-Societe Canadienne Des Brevets Et D'exploitation Limitee Superposed quadrature modulated baseband signal processor
US4860311A (en) * 1987-05-01 1989-08-22 Cpt Corporation Method and apparatus for automatically converting input pulse train signals to output signals of desired polarity
EP0451276B1 (fr) * 1989-10-25 1996-12-11 Mitsubishi Jukogyo Kabushiki Kaisha Appareil de transmission de signaux seriels et procede de commande de determination de leur polarite
US5101401A (en) * 1989-11-29 1992-03-31 Nec Corporation Polarity judging arrangement by using frame synchronization signals of a received signal
KR100624002B1 (ko) 2004-05-20 2006-09-19 주식회사 키스컴 직류성분의 하이-로우 구분점 추적 기능을 갖춘 펄스 검출기
KR100770334B1 (ko) 2006-09-08 2007-10-25 한국전기연구원 실시간 구형파-평균치 변환 회로

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434273A (en) * 1943-01-21 1948-01-13 Bell Telephone Labor Inc Wave translating system
DE1069677B (de) * 1954-10-29 1959-11-26 Western Electric Company, Incorporated, New York N. Y. (V. St A.) Schaltungsanordnung zur automatischen Polaritätsumkehr videofrequenter Fernsehsignale
NL263707A (fr) * 1961-04-19
US3261919A (en) * 1961-12-01 1966-07-19 Bell Telephone Labor Inc Asynchronous pulse multiplexing
BE626255A (fr) * 1961-12-20
US3343090A (en) * 1963-04-16 1967-09-19 Philips Corp Receiving device for pulses modulated by phase jump modulation on a carrier oscillation
NL6801502A (fr) * 1968-02-01 1969-08-05
US3548107A (en) * 1968-04-30 1970-12-15 Webb James E Signal processing apparatus for multiplex transmission
US3543050A (en) * 1968-10-30 1970-11-24 T O Paine Peak polarity selector
US3751596A (en) * 1971-11-29 1973-08-07 Ibm Data transmission system using complementary coding sequences
JPS5543304B2 (fr) * 1972-08-21 1980-11-05
JPS5246762B2 (fr) * 1973-10-26 1977-11-28
US4051438A (en) * 1975-09-11 1977-09-27 International Telephone And Telegraph Corporation Co-channel multiple signal broadcasting system

Also Published As

Publication number Publication date
DE2854882A1 (de) 1979-06-28
SE7812923L (sv) 1979-06-24
CH640677A5 (de) 1984-01-13
IT7869930A0 (it) 1978-12-21
GB2011228B (en) 1982-05-26
CA1120119A (fr) 1982-03-16
FR2412993A1 (fr) 1979-07-20
JPS5492003A (en) 1979-07-20
NL7812516A (nl) 1979-06-26
US4176248A (en) 1979-11-27
GB2011228A (en) 1979-07-04
DE2854882C2 (de) 1984-10-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19841220