FR2064258A6 - - Google Patents

Info

Publication number
FR2064258A6
FR2064258A6 FR6932150A FR6932150A FR2064258A6 FR 2064258 A6 FR2064258 A6 FR 2064258A6 FR 6932150 A FR6932150 A FR 6932150A FR 6932150 A FR6932150 A FR 6932150A FR 2064258 A6 FR2064258 A6 FR 2064258A6
Authority
FR
France
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
FR6932150A
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR6932150A priority Critical patent/FR2064258A6/fr
Priority to FR6943899A priority patent/FR2069977A6/fr
Priority to FR7003264A priority patent/FR2091858B2/fr
Priority to US27711A priority patent/US3600680A/en
Priority to SE07630/70A priority patent/SE355454B/xx
Priority to DE19702045363 priority patent/DE2045363C/de
Application granted granted Critical
Publication of FR2064258A6 publication Critical patent/FR2064258A6/fr
Expired legal-status Critical Current

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)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR6932150A 1969-09-22 1969-09-22 Expired FR2064258A6 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR6932150A FR2064258A6 (fr) 1969-09-22 1969-09-22
FR6943899A FR2069977A6 (fr) 1969-09-22 1969-12-18
FR7003264A FR2091858B2 (fr) 1969-09-22 1970-01-30
US27711A US3600680A (en) 1969-09-22 1970-04-13 Fsk demodulator and modulator combining differentiated counted signals into a weighted analog output
SE07630/70A SE355454B (fr) 1969-09-22 1970-06-02
DE19702045363 DE2045363C (de) 1969-09-22 1970-09-15 Demodulator und Modulatoranordnung fur frequenzmodulierte Telegraphiesignale

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
FR2064258A6 true FR2064258A6 (fr) 1971-07-23

Family

ID=27249202

Family Applications (3)

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

Family Applications After (2)

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

Country Status (3)

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

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 (fr) * 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 (fr) * 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
NZ221479A (en) * 1986-08-22 1990-09-26 Transcom Australia Ltd Modem with sync regeneration for hf radio
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
WO2005071828A1 (fr) * 2004-01-22 2005-08-04 The Regents Of The University Of Michigan Demodulateur, puce et procede de demodulation numerique d'un signal de type transmission par deplacement de frequence

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
DE2045363A1 (de) 1971-04-01
DE2045363B2 (de) 1972-11-02
US3600680A (en) 1971-08-17
FR2091858B2 (fr) 1974-06-14
FR2069977A6 (fr) 1971-09-10
SE355454B (fr) 1973-04-16
FR2091858A2 (fr) 1971-01-21

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