SE355454B - - Google Patents

Info

Publication number
SE355454B
SE355454B SE07630/70A SE763070A SE355454B SE 355454 B SE355454 B SE 355454B SE 07630/70 A SE07630/70 A SE 07630/70A SE 763070 A SE763070 A SE 763070A SE 355454 B SE355454 B SE 355454B
Authority
SE
Sweden
Application number
SE07630/70A
Inventor
M Maniere
J Melle
Original Assignee
Lignes Telegraph Telephon
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 Lignes Telegraph Telephon filed Critical Lignes Telegraph Telephon
Publication of SE355454B publication Critical patent/SE355454B/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SE07630/70A 1969-09-22 1970-06-02 SE355454B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR6932150A FR2064258A6 (sv) 1969-09-22 1969-09-22
FR6943899A FR2069977A6 (sv) 1969-09-22 1969-12-18
FR7003264A FR2091858B2 (sv) 1969-09-22 1970-01-30

Publications (1)

Publication Number Publication Date
SE355454B true SE355454B (sv) 1973-04-16

Family

ID=27249202

Family Applications (1)

Application Number Title Priority Date Filing Date
SE07630/70A SE355454B (sv) 1969-09-22 1970-06-02

Country Status (3)

Country Link
US (1) US3600680A (sv)
FR (3) FR2064258A6 (sv)
SE (1) SE355454B (sv)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801912A (en) * 1972-03-27 1974-04-02 Milgo Electronic Corp Frequency modulation communication system and digital carrier generator and demodulator for use therein
JPS4936258A (sv) * 1972-08-04 1974-04-04
FR2221861A1 (en) * 1972-12-29 1974-10-11 Teletransmissions Cie Eu Detection of frequency, phase and amplitude modulated signals - uses an analog-digital converter and binary memory
US3846708A (en) * 1973-03-15 1974-11-05 Bell Telephone Labor Inc Digital demodulation of frequency-shift keyed data signals
US3908169A (en) * 1974-03-22 1975-09-23 Bell Telephone Labor Inc Frequency shift demodulator having a variable clock rate
JPS5736764B2 (sv) * 1974-04-03 1982-08-05
US3991389A (en) * 1974-09-18 1976-11-09 International Business Machines Corporation Digital frequency shift key modulator
DE2658957A1 (de) * 1976-03-03 1977-09-08 Ibm Detektorschaltung fuer den traeger bei digitaler datenuebertragung
US4027266A (en) * 1976-06-10 1977-05-31 International Telephone And Telegraph Corporation Digital FSK demodulator
US4352194A (en) * 1980-07-25 1982-09-28 Rca Corporation System and method for frequency discrimination
US5854907A (en) * 1982-02-22 1998-12-29 Texas Instruments Incorporated Microcomputer for digital signal processing having on-chip memory and external memory access
CA1307323C (en) * 1986-08-22 1992-09-08 Transcom Communications Systems Ltd Modem and data communication system
US4864591A (en) * 1988-01-22 1989-09-05 Alden Electronics, Inc. Facsimile signal modulation detector
SE470077B (sv) * 1992-03-30 1993-11-01 Ericsson Ge Mobile Communicat Metod och anordning för demodulering av en frekvensmodulerad signal
US7881409B2 (en) * 2004-01-22 2011-02-01 The Regents Of The University Of Michigan Demodulator, chip and method for digitally demodulating an FSK signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3412205A (en) * 1965-08-30 1968-11-19 Xerox Corp Frequency discriminator
US3466550A (en) * 1965-12-06 1969-09-09 Digitronics Corp Frequency-to-voltage converter
US3474341A (en) * 1966-04-11 1969-10-21 Robertshaw Controls Co Frequency shift detection system
GB1189657A (en) * 1966-08-17 1970-04-29 Evershed Vignoles Ltd Improvements relating to Frequency Modulation Receivers for Data Transmission.
FR1511605A (fr) * 1966-12-19 1968-02-02 Jeumont Schneider Circuit modulateur-démodulateur à déplacement de fréquence
US3543172A (en) * 1968-09-19 1970-11-24 Anderson Jacobson Inc Digital frequency discriminator

Also Published As

Publication number Publication date
FR2069977A6 (sv) 1971-09-10
FR2091858A2 (sv) 1971-01-21
FR2064258A6 (sv) 1971-07-23
FR2091858B2 (sv) 1974-06-14
US3600680A (en) 1971-08-17
DE2045363B2 (de) 1972-11-02
DE2045363A1 (de) 1971-04-01

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