NL186360C - Demodulator voor differentieel fase-gecodeerde digitale data. - Google Patents

Demodulator voor differentieel fase-gecodeerde digitale data.

Info

Publication number
NL186360C
NL186360C NLAANVRAGE7611901,A NL7611901A NL186360C NL 186360 C NL186360 C NL 186360C NL 7611901 A NL7611901 A NL 7611901A NL 186360 C NL186360 C NL 186360C
Authority
NL
Netherlands
Prior art keywords
demodulator
digital data
differential phase
coded digital
coded
Prior art date
Application number
NLAANVRAGE7611901,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7611901A (nl
NL186360B (nl
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 NL7611901A publication Critical patent/NL7611901A/xx
Publication of NL186360B publication Critical patent/NL186360B/xx
Application granted granted Critical
Publication of NL186360C publication Critical patent/NL186360C/xx

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)
NLAANVRAGE7611901,A 1975-10-29 1976-10-27 Demodulator voor differentieel fase-gecodeerde digitale data. NL186360C (nl)

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 (3)

Publication Number Publication Date
NL7611901A NL7611901A (nl) 1977-05-03
NL186360B NL186360B (nl) 1990-06-01
NL186360C true NL186360C (nl) 1990-11-01

Family

ID=24511291

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7611901,A NL186360C (nl) 1975-10-29 1976-10-27 Demodulator voor differentieel fase-gecodeerde digitale data.

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
DE69018897T2 (de) * 1989-06-21 1995-08-24 Nippon Electric Co Verfahren zur Erfassung einer bestimmten Signalfolge, das die Effekte von Mehrwegübertragung vermindert.
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
US6046683A (en) * 1996-12-31 2000-04-04 Lucent Technologies Inc. Modulated backscatter location system
US6456668B1 (en) * 1996-12-31 2002-09-24 Lucent Technologies Inc. QPSK modulated backscatter 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
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
US20020195388A1 (en) * 2001-05-22 2002-12-26 Sierens Stephen E. Advanced leaf disc filter segment
US8072313B2 (en) 2006-02-01 2011-12-06 Vitaly Drucker RFID interrogator with improved symbol decoding and systems based thereon
US8120465B2 (en) 2006-02-01 2012-02-21 Vitaly Drucker RFID tag, interrogator and system with improved symbol encoding and decoding
US8509361B2 (en) * 2010-02-04 2013-08-13 Issc Technologies Corp. Simplified acquisition apparatus and method for a Bluetooth receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3729684A (en) * 1971-07-01 1973-04-24 Sanders Associates Inc Data demodulator employing multiple correlations and filters
US3938052A (en) * 1974-05-09 1976-02-10 Teletype Corporation Digital demodulator for phase-modulated waveforms

Also Published As

Publication number Publication date
DE2648977A1 (de) 1977-05-12
DE2648977B2 (de) 1979-03-22
SE7611785L (sv) 1977-04-30
SE410373B (sv) 1979-10-08
DE2648977C3 (de) 1979-11-15
FR2330215A1 (fr) 1977-05-27
NL7611901A (nl) 1977-05-03
CA1070022A (fr) 1980-01-15
JPS5255363A (en) 1977-05-06
AU1900376A (en) 1978-05-04
BE847647A (fr) 1977-02-14
JPS568537B2 (fr) 1981-02-24
ES452840A1 (es) 1977-10-16
IT1073389B (it) 1985-04-17
AU506065B2 (en) 1979-12-13
FR2330215B1 (fr) 1981-10-23
NL186360B (nl) 1990-06-01
GB1512748A (en) 1978-06-01
US3997847A (en) 1976-12-14

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee