FR2330215A1 - Demodulateur pour la transmission de donnees en modulation de phase differentielle - Google Patents

Demodulateur pour la transmission de donnees en modulation de phase differentielle

Info

Publication number
FR2330215A1
FR2330215A1 FR7632073A FR7632073A FR2330215A1 FR 2330215 A1 FR2330215 A1 FR 2330215A1 FR 7632073 A FR7632073 A FR 7632073A FR 7632073 A FR7632073 A FR 7632073A FR 2330215 A1 FR2330215 A1 FR 2330215A1
Authority
FR
France
Prior art keywords
demodulator
transmission
data
phase modulation
differential phase
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.)
Granted
Application number
FR7632073A
Other languages
English (en)
Other versions
FR2330215B1 (fr
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2330215A1 publication Critical patent/FR2330215A1/fr
Application granted granted Critical
Publication of FR2330215B1 publication Critical patent/FR2330215B1/fr
Granted 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
    • H04L27/2331—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)
  • Synchronisation In Digital Transmission Systems (AREA)
FR7632073A 1975-10-29 1976-10-25 Demodulateur pour la transmission de donnees en modulation de phase differentielle Granted FR2330215A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/626,659 US3997847A (en) 1975-10-29 1975-10-29 Digital demodulator for differentially encoded phase-shift-keyed data

Publications (2)

Publication Number Publication Date
FR2330215A1 true FR2330215A1 (fr) 1977-05-27
FR2330215B1 FR2330215B1 (fr) 1981-10-23

Family

ID=24511291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7632073A Granted FR2330215A1 (fr) 1975-10-29 1976-10-25 Demodulateur pour la transmission de donnees en modulation de phase differentielle

Country Status (12)

Country Link
US (1) US3997847A (fr)
JP (1) JPS5255363A (fr)
AU (1) AU506065B2 (fr)
BE (1) BE847647A (fr)
CA (1) CA1070022A (fr)
DE (1) DE2648977C3 (fr)
ES (1) ES452840A1 (fr)
FR (1) FR2330215A1 (fr)
GB (1) GB1512748A (fr)
IT (1) IT1073389B (fr)
NL (1) NL186360C (fr)
SE (1) SE410373B (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811488A1 (de) * 1978-03-16 1979-09-27 Siemens Ag Integrierbarer demodulator fuer getraegerte digitalsignale
US4216463A (en) * 1978-08-10 1980-08-05 Motorola, Inc. Programmable digital tone detector
US4190802A (en) * 1978-08-17 1980-02-26 Motorola, Inc. Digital demodulator for phase shift keyed signals
US4457005A (en) * 1981-12-07 1984-06-26 Motorola, Inc. Digital coherent PSK demodulator and detector
DE3246145A1 (de) * 1982-12-14 1984-06-14 Standard Elektrik Lorenz Ag, 7000 Stuttgart Fernsehuebertragungssystem mit integrierter uebertragung von zusatzinformationen, insbesondere tonsignalen
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
US4575684A (en) * 1985-02-22 1986-03-11 Honeywell Inc. Differential phase shift keying receiver
JPS6231238A (ja) * 1985-08-02 1987-02-10 Canon Inc 復調装置
US4715047A (en) * 1986-04-04 1987-12-22 Harris Corporation Digital differential phase shift keyed demodulator
US4750215A (en) * 1986-06-24 1988-06-07 Cincinnati Microwave, Inc. Police radar signal detection circuitry for a police radar warning receiver
CA1260641A (fr) * 1986-10-22 1989-09-26 Jan Heynen Emetteur
EP0413108B1 (fr) * 1989-06-21 1995-04-26 Nec Corporation Procédé pour détecter une série de signaux particulière, qui réduit les effets de transmission à trajets multiples
EP0434355A3 (en) * 1989-12-18 1993-02-24 Nec Corporation Differential phase demodulator for psk-modulated signals
EP0467712B1 (fr) * 1990-07-20 1998-04-29 Nec Corporation Démodulateur de phase pour signaux modulés en sauts de phase
WO1993012578A1 (fr) * 1991-12-13 1993-06-24 Motorola, Inc. Procede et appareil de numerisation en phase directe
IL107656A (en) * 1993-11-18 1996-11-14 Dsp Telecomm Ltd Demodulator
US5920593A (en) * 1993-11-29 1999-07-06 Dsp Telecommunications Ltd. Device for personal digital cellular telephones
US6084530A (en) * 1996-12-30 2000-07-04 Lucent Technologies Inc. Modulated backscatter sensor system
US6184841B1 (en) 1996-12-31 2001-02-06 Lucent Technologies Inc. Antenna array in an RFID system
US6130623A (en) * 1996-12-31 2000-10-10 Lucent Technologies Inc. Encryption for modulated backscatter systems
US6456668B1 (en) * 1996-12-31 2002-09-24 Lucent Technologies Inc. QPSK modulated backscatter system
US6046683A (en) * 1996-12-31 2000-04-04 Lucent Technologies Inc. Modulated backscatter location system
FR2759224B1 (fr) * 1997-02-06 1999-04-30 Info Telecom Procedes de transmission et de decodage acoustiques d'un message numerique et dispositifs correspondants
JP3300808B2 (ja) * 1997-03-26 2002-07-08 株式会社鷹山 π／ｎシフトＰＳＫ復調器
US6369710B1 (en) 2000-03-27 2002-04-09 Lucent Technologies Inc. Wireless security system
WO2002094413A1 (fr) * 2001-05-22 2002-11-28 Pall Corporation Segment ameliore de filtre a disques
US8072313B2 (en) 2006-02-01 2011-12-06 Vitaly Drucker RFID interrogator with improved symbol decoding and systems based thereon
WO2007090114A2 (fr) 2006-02-01 2007-08-09 Vitaly Drucker Etiquette rfid, interrogateur et systeme de codage et de decodage de symboles ameliores
US8509361B2 (en) * 2010-02-04 2013-08-13 Issc Technologies Corp. Simplified acquisition apparatus and method for a Bluetooth receiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2143722A1 (fr) * 1971-07-01 1973-02-09 Sanders Associates Inc

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938052A (en) * 1974-05-09 1976-02-10 Teletype Corporation Digital demodulator for phase-modulated waveforms

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2143722A1 (fr) * 1971-07-01 1973-02-09 Sanders Associates Inc

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE US ELECTRONICS, vol. 39, no. 22, 31 octobre 1966, Article: "Double phase-shift keying speeds data over voice channels", pages 91 à 94, Auteur: Poppe. *

Also Published As

Publication number Publication date
GB1512748A (en) 1978-06-01
BE847647A (fr) 1977-02-14
JPS568537B2 (fr) 1981-02-24
DE2648977C3 (de) 1979-11-15
ES452840A1 (es) 1977-10-16
SE410373B (sv) 1979-10-08
NL186360C (nl) 1990-11-01
DE2648977B2 (de) 1979-03-22
FR2330215B1 (fr) 1981-10-23
CA1070022A (fr) 1980-01-15
US3997847A (en) 1976-12-14
NL7611901A (nl) 1977-05-03
IT1073389B (it) 1985-04-17
AU506065B2 (en) 1979-12-13
NL186360B (nl) 1990-06-01
SE7611785L (sv) 1977-04-30
AU1900376A (en) 1978-05-04
DE2648977A1 (de) 1977-05-12
JPS5255363A (en) 1977-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse