FR1403768A - Télégraphie à modulation trivalente - Google Patents

Télégraphie à modulation trivalente

Info

Publication number
FR1403768A
FR1403768A FR974213A FR974213A FR1403768A FR 1403768 A FR1403768 A FR 1403768A FR 974213 A FR974213 A FR 974213A FR 974213 A FR974213 A FR 974213A FR 1403768 A FR1403768 A FR 1403768A
Authority
FR
France
Prior art keywords
telegraphy
trivalent
modulation
trivalent modulation
modulation telegraphy
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
FR974213A
Other languages
English (en)
Inventor
Pierre Bizet
Jacques Oswald
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
Compagnie Industrielle de Telecommunication CIT Alcatel 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
Application filed by Alcatel CIT SA, Compagnie Industrielle de Telecommunication CIT Alcatel SA filed Critical Alcatel CIT SA
Priority to FR974213A priority Critical patent/FR1403768A/fr
Priority to BE663405D priority patent/BE663405A/xx
Priority to LU48537A priority patent/LU48537A1/xx
Priority to GB19483/65A priority patent/GB1105448A/en
Priority to DEC35811A priority patent/DE1201862B/de
Priority to NL6505928A priority patent/NL6505928A/xx
Priority to US455183A priority patent/US3412206A/en
Application granted granted Critical
Publication of FR1403768A publication Critical patent/FR1403768A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2075—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the change in carrier phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR974213A 1964-05-12 1964-05-12 Télégraphie à modulation trivalente Expired FR1403768A (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR974213A FR1403768A (fr) 1964-05-12 1964-05-12 Télégraphie à modulation trivalente
BE663405D BE663405A (fr) 1964-05-12 1965-05-04
LU48537A LU48537A1 (fr) 1964-05-12 1965-05-06
GB19483/65A GB1105448A (en) 1964-05-12 1965-05-07 Improvements relating to differential phase telegraph modulation
DEC35811A DE1201862B (de) 1964-05-12 1965-05-10 Telegraphie-Modulationsverfahren durch Differenz-Phasensprung, bei dem die Signal-werte >>Z<<, >>A<< zu Dubletten >>UV<< verbunden werden
NL6505928A NL6505928A (fr) 1964-05-12 1965-05-11
US455183A US3412206A (en) 1964-05-12 1965-05-12 Quaternary differential phase-shift system using only three phase-shift values and one time-shift value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR974213A FR1403768A (fr) 1964-05-12 1964-05-12 Télégraphie à modulation trivalente

Publications (1)

Publication Number Publication Date
FR1403768A true FR1403768A (fr) 1965-06-25

Family

ID=8829856

Family Applications (1)

Application Number Title Priority Date Filing Date
FR974213A Expired FR1403768A (fr) 1964-05-12 1964-05-12 Télégraphie à modulation trivalente

Country Status (7)

Country Link
US (1) US3412206A (fr)
BE (1) BE663405A (fr)
DE (1) DE1201862B (fr)
FR (1) FR1403768A (fr)
GB (1) GB1105448A (fr)
LU (1) LU48537A1 (fr)
NL (1) NL6505928A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2237379A1 (en) * 1973-07-12 1975-02-07 Ibm France Correction method for data signal modulated on carrier - is for signal distorted by linearly distorting transmission medium

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1222974B (de) * 1965-02-04 1966-08-18 Siemens Ag Verfahren und Schaltungsanordnung zur UEbertragung binaerer Signale in hoeher codierter Form
FR1580108A (fr) * 1966-03-02 1969-09-05
DE1787021B1 (de) * 1968-03-01 1976-01-22 Milgo Electronic Corp Verfahren und Schaltung zur Erzeugung eines phasendifferenzmodulierten Signals fuer die Datenuebertragung,insbesondere ueber Telefonleitungen
US3739277A (en) * 1969-06-02 1973-06-12 Hallicrafters Co Digital data transmission system utilizing phase shift keying
US3619503A (en) * 1969-11-18 1971-11-09 Int Communications Corp Phase and amplitude modulated modem
US3617941A (en) * 1970-08-03 1971-11-02 Sylvania Electric Prod Table look-up modulator
DE2043164B2 (de) * 1970-08-31 1972-10-12 Siemens AG, 1000 Berlin u. 8000 München Schaltungsanordnung zur demodulation von phasendifferenzmodulierten datensignalen
DE2324542C3 (de) * 1973-05-15 1979-01-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur frequenzdifferenziellen Phasenmodulation
US3867574A (en) * 1973-06-20 1975-02-18 Gen Motors Corp Three phase jump encoder and decoder
GB1519972A (en) * 1974-07-19 1978-08-02 Nippon Telegraph & Telephone Data transmission system
US4217467A (en) * 1974-07-19 1980-08-12 Nippon Telegraph & Telephone Public Corporation Amplitude and periodic phase modulation transmission system
US4010323A (en) * 1975-10-29 1977-03-01 Bell Telephone Laboratories, Incorporated Digital timing recovery
US4087677A (en) * 1976-09-29 1978-05-02 International Telephone & Telegraph Corporation Digital PSK modem
US4298984A (en) * 1976-10-06 1981-11-03 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Method and apparatus for improving error rate on radio teletype circuits
GB2079566B (en) 1980-05-16 1985-01-09 Racal Recorders Ltd Data encoding and/or decoding
US4997450A (en) * 1989-03-10 1991-03-05 Ecolab Inc. Decolorizing dyed fabric or garments
KR0137529B1 (ko) * 1995-03-20 1998-07-01 김주용 4상 위상 변조기

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL267711A (fr) * 1960-08-15
US3330909A (en) * 1964-01-02 1967-07-11 Bell Telephone Labor Inc Pulse communication system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2237379A1 (en) * 1973-07-12 1975-02-07 Ibm France Correction method for data signal modulated on carrier - is for signal distorted by linearly distorting transmission medium

Also Published As

Publication number Publication date
LU48537A1 (fr) 1966-11-07
BE663405A (fr) 1965-11-04
NL6505928A (fr) 1965-11-15
DE1201862B (de) 1965-09-30
GB1105448A (en) 1968-03-06
US3412206A (en) 1968-11-19

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