NL148212B - Telegraafontvanger met faseverschil- of frequentiedemodulatie. - Google Patents

Telegraafontvanger met faseverschil- of frequentiedemodulatie.

Info

Publication number
NL148212B
NL148212B NL656505805A NL6505805A NL148212B NL 148212 B NL148212 B NL 148212B NL 656505805 A NL656505805 A NL 656505805A NL 6505805 A NL6505805 A NL 6505805A NL 148212 B NL148212 B NL 148212B
Authority
NL
Netherlands
Prior art keywords
phase difference
frequency demodulation
telegraph receiver
telegraph
receiver
Prior art date
Application number
NL656505805A
Other languages
English (en)
Other versions
NL6505805A (nl
Original Assignee
Cit Alcatel
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 Alcatel filed Critical Cit Alcatel
Publication of NL6505805A publication Critical patent/NL6505805A/xx
Publication of NL148212B publication Critical patent/NL148212B/nl

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
    • 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
    • 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)
NL656505805A 1964-05-08 1965-05-07 Telegraafontvanger met faseverschil- of frequentiedemodulatie. NL148212B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR973743A FR1404512A (fr) 1964-05-08 1964-05-08 Récepteurs de télégraphie

Publications (2)

Publication Number Publication Date
NL6505805A NL6505805A (nl) 1965-11-09
NL148212B true NL148212B (nl) 1975-12-15

Family

ID=8829564

Family Applications (1)

Application Number Title Priority Date Filing Date
NL656505805A NL148212B (nl) 1964-05-08 1965-05-07 Telegraafontvanger met faseverschil- of frequentiedemodulatie.

Country Status (5)

Country Link
US (1) US3479457A (nl)
BE (1) BE663138A (nl)
FR (1) FR1404512A (nl)
GB (1) GB1105447A (nl)
NL (1) NL148212B (nl)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1580108A (nl) * 1966-03-02 1969-09-05
US3579110A (en) * 1968-09-20 1971-05-18 Erwin J Hauber Digital data condensation system
US3594651A (en) * 1969-10-15 1971-07-20 Communications Satellite Corp Quadriphase modem
DE2043164B2 (de) * 1970-08-31 1972-10-12 Siemens AG, 1000 Berlin u. 8000 München Schaltungsanordnung zur demodulation von phasendifferenzmodulierten datensignalen
FI53904C (fi) * 1972-03-17 1978-08-10 Nokia Oy Ab Foerfarande foer demodulering av en differentialt fasmodulerad signal
US3867574A (en) * 1973-06-20 1975-02-18 Gen Motors Corp Three phase jump encoder and decoder
US4010323A (en) * 1975-10-29 1977-03-01 Bell Telephone Laboratories, Incorporated Digital timing recovery
FR2454233B1 (fr) * 1979-04-11 1986-01-24 Materiel Telephonique Demodulateur stochastique pour signaux modules en sauts de phase, fonctionnant en temps partage sur plusieurs canaux
US4311964A (en) * 1979-09-21 1982-01-19 Westinghouse Electric Corp. Coherent phase shift keyed demodulator for power line communication systems
JPS5974756A (ja) * 1982-10-21 1984-04-27 Kokusai Denshin Denwa Co Ltd <Kdd> 信号品質監視装置
GB2156117A (en) * 1984-03-14 1985-10-02 Philips Electronic Associated Method of, and a circuit for, estimating true data from distorted digital data signals
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
US4839606A (en) * 1987-08-11 1989-06-13 Rockwell International Corporation Digital FM demodulator signal-to-noise improvement
US4772853A (en) * 1987-08-12 1988-09-20 Rockwell International Corporation Digital delay FM demodulator with filtered noise dither
CN110727681B (zh) * 2019-09-27 2022-07-08 北京智道合创科技有限公司 数据存储方法及装置

Family Cites Families (2)

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

Also Published As

Publication number Publication date
NL6505805A (nl) 1965-11-09
BE663138A (nl) 1965-10-28
US3479457A (en) 1969-11-18
FR1404512A (fr) 1965-07-02
GB1105447A (en) 1968-03-06

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Legal Events

Date Code Title Description
TNT Modifications of names of proprietors of patents or applicants of examined patent applications
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: CIT