GB1117724A - Processes and devices for the demodulation of carrier waves phase modulated by telegraphic signals and the like - Google Patents

Processes and devices for the demodulation of carrier waves phase modulated by telegraphic signals and the like

Info

Publication number
GB1117724A
GB1117724A GB9582/67A GB958267A GB1117724A GB 1117724 A GB1117724 A GB 1117724A GB 9582/67 A GB9582/67 A GB 9582/67A GB 958267 A GB958267 A GB 958267A GB 1117724 A GB1117724 A GB 1117724A
Authority
GB
United Kingdom
Prior art keywords
signals
carrier
values
modulo
bits
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
GB9582/67A
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
CIT Compagnie Industrielle des Telecommunications SA
Nokia Inc
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 CIT Compagnie Industrielle des Telecommunications SA, Nokia Inc filed Critical CIT Compagnie Industrielle des Telecommunications SA
Publication of GB1117724A publication Critical patent/GB1117724A/en
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
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB9582/67A 1966-03-02 1967-02-28 Processes and devices for the demodulation of carrier waves phase modulated by telegraphic signals and the like Expired GB1117724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR51754 1966-03-02

Publications (1)

Publication Number Publication Date
GB1117724A true GB1117724A (en) 1968-06-26

Family

ID=8602669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9582/67A Expired GB1117724A (en) 1966-03-02 1967-02-28 Processes and devices for the demodulation of carrier waves phase modulated by telegraphic signals and the like

Country Status (7)

Country Link
US (1) US3535452A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE694565A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1512156B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1580108A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1117724A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LU (1) LU53086A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL156290B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004430A (en) * 1986-11-17 1991-04-02 Amp Incorporated Panel mount electrical connector

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422287A1 (fr) * 1978-04-06 1979-11-02 Materiel Telephonique Procede et dispositif de demodulation d'un signal module en phase differentielle
US4301417A (en) * 1980-03-12 1981-11-17 Ncr Corporation Quadriphase differential demodulator
IT1128969B (it) * 1980-08-07 1986-06-04 Cselt Centro Studi Lab Telecom Ricevitore numerico per segnali trasmessi con modulazione di fase differenziale a quattro stati
NL8102595A (nl) 1981-05-27 1982-12-16 Philips Nv Ontvanger voor hoekgemoduleerde draaggolfsignalen.
US4455664A (en) * 1981-12-07 1984-06-19 Motorola Inc. Carrier data operated squelch
FR2571194B1 (fr) * 1984-09-28 1992-12-11 Lignes Telegraph Telephon Demodulateur differentiel de signaux electriques a plusieurs etats de phase pour equipements de transmission de donnees
US6026117A (en) * 1997-10-23 2000-02-15 Interdigital Technology Corporation Method and apparatus for generating complex four-phase sequences for a CDMA communication system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341776A (en) * 1964-01-13 1967-09-12 Collins Radio Co Error sensitive binary transmission system wherein four channels are transmitted via one carrier wave
FR1404512A (fr) * 1964-05-08 1965-07-02 Cit Alcatel Récepteurs de télégraphie
FR1403768A (fr) * 1964-05-12 1965-06-25 Cit Alcatel Télégraphie à modulation trivalente

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004430A (en) * 1986-11-17 1991-04-02 Amp Incorporated Panel mount electrical connector

Also Published As

Publication number Publication date
DE1512156B2 (de) 1976-04-22
NL156290B (nl) 1978-03-15
DE1512156A1 (de) 1969-05-14
NL6703028A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-09-04
BE694565A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-08-24
LU53086A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-10-15
FR1580108A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-09-05
US3535452A (en) 1970-10-20

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