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BE727635A - Systeme de transmission telegraphique. - Google Patents

Systeme de transmission telegraphique.

Info

Publication number
BE727635A
BE727635A BE727635DA BE727635A BE 727635 A BE727635 A BE 727635A BE 727635D A BE727635D A BE 727635DA BE 727635 A BE727635 A BE 727635A
Authority
BE
Belgium
Prior art keywords
transmission system
telegraphic transmission
telegraphic
transmission
Prior art date
Application number
Other languages
English (en)
Inventor
Jean Cuvelier
Original Assignee
Acec
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 Acec filed Critical Acec
Publication of BE727635A publication Critical patent/BE727635A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H04L1/0063—Single parity check

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Transmission System (AREA)
  • Conveying Record Carriers (AREA)
BE727635D 1969-01-30 1969-01-30 Systeme de transmission telegraphique. BE727635A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE727635 1969-01-30

Publications (1)

Publication Number Publication Date
BE727635A true BE727635A (fr) 1969-07-30

Family

ID=3854193

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727635D BE727635A (fr) 1969-01-30 1969-01-30 Systeme de transmission telegraphique.

Country Status (7)

Country Link
US (1) US3644670A (fr)
BE (1) BE727635A (fr)
DE (1) DE2003866C3 (fr)
FR (1) FR2037333A5 (fr)
GB (1) GB1284999A (fr)
LU (1) LU60248A1 (fr)
NL (1) NL163087C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69322054T2 (de) * 1992-10-16 1999-04-01 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Gerät zur Aufzeichnung von Datensignalen mittels Steuerung der Frequenzcharakteristiken der Datensignale
ES2320928T3 (es) 2006-04-10 2009-05-29 Abb Technology Ag Metodo y dispositivo para la transmision de combinaciones de ordenes mediante modulacion por desplazamiento de frecuencia codificada.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1661962A (en) * 1928-03-06 Trimbw
DE1250476B (de) * 1965-09-07 1967-09-21 Ateliers de Constructions Electriques de Charleroi (ACEC) S A , Brüssel Vorrichtung zur synchronisieren Übertragung durch Ferndrucker, welche gemäss einem Kode mit zwei Elementen, und zwölf Frequenzen arbeitet

Also Published As

Publication number Publication date
FR2037333A5 (fr) 1970-12-31
LU60248A1 (fr) 1970-04-01
GB1284999A (en) 1972-08-09
US3644670A (en) 1972-02-22
NL163087C (nl) 1980-07-15
DE2003866B2 (de) 1977-12-08
NL163087B (nl) 1980-02-15
NL7001307A (nl) 1970-08-03
DE2003866A1 (de) 1970-08-13
DE2003866C3 (de) 1978-07-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI

Effective date: 19870131