FR2070231B1 - - Google Patents

Info

Publication number
FR2070231B1
FR2070231B1 FR7028705A FR7028705A FR2070231B1 FR 2070231 B1 FR2070231 B1 FR 2070231B1 FR 7028705 A FR7028705 A FR 7028705A FR 7028705 A FR7028705 A FR 7028705A FR 2070231 B1 FR2070231 B1 FR 2070231B1
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
FR7028705A
Other versions
FR2070231A1 (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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2070231A1 publication Critical patent/FR2070231A1/fr
Application granted granted Critical
Publication of FR2070231B1 publication Critical patent/FR2070231B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1563—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection
    • 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
    • H04L27/14—Demodulator circuits; Receiver circuits
FR7028705A 1969-12-03 1970-08-04 Expired FR2070231B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2526969 1969-12-03

Publications (2)

Publication Number Publication Date
FR2070231A1 FR2070231A1 (fr) 1971-09-10
FR2070231B1 true FR2070231B1 (fr) 1974-09-06

Family

ID=11216182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7028705A Expired FR2070231B1 (fr) 1969-12-03 1970-08-04

Country Status (9)

Country Link
US (1) US3660771A (fr)
JP (1) JPS5015629B1 (fr)
AT (1) AT306109B (fr)
BE (1) BE759822A (fr)
CH (1) CH538792A (fr)
FR (1) FR2070231B1 (fr)
GB (1) GB1312482A (fr)
NL (1) NL165900C (fr)
SE (1) SE368131B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936258A (fr) * 1972-08-04 1974-04-04
US3879665A (en) * 1973-06-28 1975-04-22 Motorola Inc Digital frequency-shift keying receiver
USRE29257E (en) * 1973-06-28 1977-06-07 Motorola, Inc. Digital filter for a digital demodulation receiver
US3814918A (en) * 1973-06-28 1974-06-04 Motorola Inc Digital filter for a digital demodulation receiver
IT1037127B (it) * 1975-03-18 1979-11-10 Sits Soc It Telecom Siemens Demodulatore di onde modulate in frequenza
US4485347A (en) * 1980-09-04 1984-11-27 Mitsubishi Denki Kabushiki Kaisha Digital FSK demodulator
US4412338A (en) * 1981-09-28 1983-10-25 Honeywell Inc. Frequency shift keyed detector system
US4627078A (en) * 1983-08-25 1986-12-02 The Microperipheral Corporation Data communication system
US4587522A (en) * 1984-01-27 1986-05-06 Warren Bob E Vehicle warning system
DE3836281C1 (en) * 1988-10-25 1990-04-19 Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De Frequency demodulator
DE3917740A1 (de) * 1989-05-31 1990-12-06 Siemens Ag Schaltungsanordnung fuer einen zaehldiskriminator
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1248015A (fr) * 1959-10-27 1960-12-09 Cie Ind Des Telephones Dispositif pour la discrimination des signaux télégraphiques
US3371334A (en) * 1964-05-18 1968-02-27 Itt Digital to phase analog converter
FR1554371A (fr) * 1967-03-29 1969-01-17
US3522539A (en) * 1967-08-08 1970-08-04 Us Navy System for demodulating digital data information contained in frequency shift keyed signals

Also Published As

Publication number Publication date
SE368131B (fr) 1974-06-17
JPS5015629B1 (fr) 1975-06-06
CH538792A (it) 1973-06-30
GB1312482A (en) 1973-04-04
AT306109B (de) 1973-02-15
BE759822A (fr) 1971-05-17
NL165900B (nl) 1980-12-15
NL165900C (nl) 1981-05-15
US3660771A (en) 1972-05-02
NL7016245A (fr) 1971-06-07
FR2070231A1 (fr) 1971-09-10

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Legal Events

Date Code Title Description
ST Notification of lapse