FR2091858A2 - - Google Patents

Info

Publication number
FR2091858A2
FR2091858A2 FR7003264A FR7003264A FR2091858A2 FR 2091858 A2 FR2091858 A2 FR 2091858A2 FR 7003264 A FR7003264 A FR 7003264A FR 7003264 A FR7003264 A FR 7003264A FR 2091858 A2 FR2091858 A2 FR 2091858A2
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.)
Granted
Application number
FR7003264A
Other versions
FR2091858B2 (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.)
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
Priority to FR6932150A priority Critical patent/FR2064258A6/fr
Priority to FR6943899A priority patent/FR2069977A6/fr
Application filed by Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
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
Publication of FR2091858A2 publication Critical patent/FR2091858A2/fr
Application granted granted Critical
Publication of FR2091858B2 publication Critical patent/FR2091858B2/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)
FR7003264A 1969-09-22 1970-01-30 Expired FR2091858B2 (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 (2)

Publication Number Publication Date
FR2091858A2 true FR2091858A2 (fr) 1971-01-21
FR2091858B2 FR2091858B2 (fr) 1974-06-14

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 Before (2)

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

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285752A1 (fr) * 1974-09-18 1976-04-16 Ibm Modulateur numerique a saut de frequence

Families Citing this family (14)

* 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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1511605A (fr) * 1966-12-19 1968-02-02 Jeumont Schneider Circuit modulateur-démodulateur à déplacement de fréquence

Family Cites Families (5)

* 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.
US3543172A (en) * 1968-09-19 1970-11-24 Anderson Jacobson Inc Digital frequency discriminator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1511605A (fr) * 1966-12-19 1968-02-02 Jeumont Schneider Circuit modulateur-démodulateur à déplacement de fréquence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285752A1 (fr) * 1974-09-18 1976-04-16 Ibm Modulateur numerique a saut de frequence

Also Published As

Publication number Publication date
DE2045363A1 (de) 1971-04-01
DE2045363B2 (de) 1972-11-02
FR2064258A6 (fr) 1971-07-23
US3600680A (en) 1971-08-17
FR2091858B2 (fr) 1974-06-14
FR2069977A6 (fr) 1971-09-10
SE355454B (fr) 1973-04-16

Similar Documents

Publication Publication Date Title
AU2270770A (fr)
AU465452B2 (fr)
FR2091858B2 (fr)
AU429630B2 (fr)
AU450150B2 (fr)
AU2355770A (fr)
AU442375B2 (fr)
AU470301B1 (fr)
AU427401B2 (fr)
AU428074B2 (fr)
AU428129B2 (fr)
AU442357B2 (fr)
AU470661B1 (fr)
AU414607B2 (fr)
AU417208B2 (fr)
AU438128B2 (fr)
AU425297B2 (fr)
AU442535B2 (fr)
AU442380B2 (fr)
AU442538B2 (fr)
AU428131B2 (fr)
AT308690B (fr)
AU442554B2 (fr)
AR203167Q (fr)
CS149310B1 (fr)