FR2449374A2 - Systeme pour la reception de signaux d'informations numeriques modules en frequence - Google Patents

Systeme pour la reception de signaux d'informations numeriques modules en frequence

Info

Publication number
FR2449374A2
FR2449374A2 FR8002361A FR8002361A FR2449374A2 FR 2449374 A2 FR2449374 A2 FR 2449374A2 FR 8002361 A FR8002361 A FR 8002361A FR 8002361 A FR8002361 A FR 8002361A FR 2449374 A2 FR2449374 A2 FR 2449374A2
Authority
FR
France
Prior art keywords
digital information
information signals
frequency modulated
modulated digital
receiving frequency
Prior art date
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
FR8002361A
Other languages
English (en)
French (fr)
Other versions
FR2449374B2 (US06521211-20030218-C00004.png
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2449374A2 publication Critical patent/FR2449374A2/fr
Application granted granted Critical
Publication of FR2449374B2 publication Critical patent/FR2449374B2/fr
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Alarm Systems (AREA)
  • Noise Elimination (AREA)
  • Radio Transmission System (AREA)
FR8002361A 1979-02-13 1980-02-04 Systeme pour la reception de signaux d'informations numeriques modules en frequence Granted FR2449374A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2905471A DE2905471B1 (de) 1979-02-13 1979-02-13 System zum Empfang frequenzmodulierter digitaler Nachrichtensignale

Publications (2)

Publication Number Publication Date
FR2449374A2 true FR2449374A2 (fr) 1980-09-12
FR2449374B2 FR2449374B2 (US06521211-20030218-C00004.png) 1984-02-24

Family

ID=6062822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8002361A Granted FR2449374A2 (fr) 1979-02-13 1980-02-04 Systeme pour la reception de signaux d'informations numeriques modules en frequence

Country Status (15)

Country Link
US (1) US4304004A (US06521211-20030218-C00004.png)
JP (1) JPS5639663A (US06521211-20030218-C00004.png)
BE (1) BE881706R (US06521211-20030218-C00004.png)
DE (1) DE2905471B1 (US06521211-20030218-C00004.png)
DK (1) DK60180A (US06521211-20030218-C00004.png)
ES (1) ES8100581A2 (US06521211-20030218-C00004.png)
FI (1) FI800424A (US06521211-20030218-C00004.png)
FR (1) FR2449374A2 (US06521211-20030218-C00004.png)
GB (1) GB2043401B (US06521211-20030218-C00004.png)
IE (1) IE800265L (US06521211-20030218-C00004.png)
IT (1) IT1141204B (US06521211-20030218-C00004.png)
LU (1) LU82155A1 (US06521211-20030218-C00004.png)
NL (1) NL8000911A (US06521211-20030218-C00004.png)
NO (1) NO800322L (US06521211-20030218-C00004.png)
SE (1) SE8001096L (US06521211-20030218-C00004.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3146077C2 (de) * 1981-11-20 1985-04-04 Siemens AG, 1000 Berlin und 8000 München Einrichtung für Funkempfänger zur Unterdrückung von durch Mehrwegeausbreitung bedingten Empfangsstörungen
FR2538645B1 (fr) * 1982-12-28 1986-04-11 Thomson Csf Procede et dispositif d'interpolation de la parole dans un systeme de transmission de parole numerisee
JPS59140298A (ja) * 1983-01-31 1984-08-11 N D C Kk 複層軸受
FR2547138B1 (fr) * 1983-06-01 1985-07-12 Trt Telecom Radio Electr Dispositif de silencieux pour recepteur radio am/fm
DE3446529A1 (de) * 1984-12-20 1986-07-03 Blaupunkt-Werke Gmbh, 3200 Hildesheim Verfahren zur stoerverminderung in einer rundfunk-empfangsanlage
JPS61184933A (ja) * 1985-02-12 1986-08-18 Clarion Co Ltd パルス性雑音除去用信号補償ゲ−ト回路
US4660192A (en) * 1985-04-11 1987-04-21 Pomatto Sr Robert P Simultaneous AM and FM transmitter and receiver
JPS62175025A (ja) * 1986-01-25 1987-07-31 Fujitsu Ten Ltd 雑音除去装置
US5491716A (en) * 1990-06-18 1996-02-13 The United States Of America As Represented By The Secretary Of The Navy Weight-value controlled adaptive processor for spread spectrum receiver
US7400904B2 (en) * 2004-12-03 2008-07-15 Itron, Inc. Dual mode AM-FM receiver with I-Q decoding, such as for utility data collection
JP5355936B2 (ja) * 2007-06-28 2013-11-27 日本信号株式会社 リーダライタ、及び物品仕分システム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778727A (en) * 1972-05-11 1973-12-11 Singer Co Crystal controlled frequency discriminator
FR2357115A1 (fr) * 1976-06-28 1978-01-27 Siemens Ag Systeme pour la reception de signaux d'informations numeriques modules en frequence

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL276220A (US06521211-20030218-C00004.png) * 1961-03-21
GB1237517A (en) * 1970-02-05 1971-06-30 Pye Ltd Muting arrangement for a communication system
US3711777A (en) * 1971-09-16 1973-01-16 Ncr Latching and control circuit for carrier detection
US3895187A (en) * 1972-01-06 1975-07-15 Gen Electric Co Ltd Receivers for plural frequency signalling systems
DE2714439C3 (de) * 1977-03-31 1980-08-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen System zum Empfang frequenzmodulierter digitaler Nachrichtensignale
DE2628997C3 (de) * 1976-06-28 1978-11-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen System zum Empfang frequenzmodulierter digitaler Nachrichtensignale

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778727A (en) * 1972-05-11 1973-12-11 Singer Co Crystal controlled frequency discriminator
FR2357115A1 (fr) * 1976-06-28 1978-01-27 Siemens Ag Systeme pour la reception de signaux d'informations numeriques modules en frequence

Also Published As

Publication number Publication date
IT8019791A0 (it) 1980-02-08
GB2043401A (en) 1980-10-01
DE2905471B1 (de) 1980-02-21
ES488489A0 (es) 1980-11-01
NO800322L (no) 1980-08-14
NL8000911A (nl) 1980-08-15
BE881706R (fr) 1980-08-13
JPS5639663A (en) 1981-04-15
LU82155A1 (de) 1980-09-24
GB2043401B (en) 1983-03-23
DE2905471C2 (US06521211-20030218-C00004.png) 1980-10-16
ES8100581A2 (es) 1980-11-01
US4304004A (en) 1981-12-01
DK60180A (da) 1980-08-14
IE800265L (en) 1980-08-13
FR2449374B2 (US06521211-20030218-C00004.png) 1984-02-24
IT1141204B (it) 1986-10-01
SE8001096L (sv) 1980-08-14
FI800424A (fi) 1980-08-14

Similar Documents

Publication Publication Date Title
US3292178A (en) Communication system
RU97122267A (ru) Способ обработки сигналов связи в абонентском пункте беспроводной системы электросвязи
FR2449374A2 (fr) Systeme pour la reception de signaux d'informations numeriques modules en frequence
DE69331667T2 (de) Übertragung mit mehreren Auflösungen bei Verwendung von Mehrträgersignalen
FR2402975B1 (fr) Systeme de transmission de signaux de donnee a l'aide d'une onde porteuse a modulation angulaire et amplitude constante
DK1049282T3 (da) Fleropløsningsmodulation med flerbærebølgesignaler
SE7705875L (sv) Flerkanalsystem
GB1079928A (en) A data transmission system
GB1534380A (en) Communications system
GB1368678A (en) Spread spectrum linear fm communications system
BE882111A (fr) Systeme de transmission de donnees a plusieurs niveaux par une onde porteuse d'amplitude constante a modulation angulaire
US4115772A (en) Pseudo-noise radar system
SE8200395L (sv) Fm-rundradioanleggning med sendaridentifiering
GB1523787A (en) Digital mobile communication system and method
GB1293816A (en) Improvements in or relating to radiotelephony systems
BE868898A (fr) Recepteur radio pour signaux a modulation de frequence discrete sur une porteuse radio
BE856217A (fr) Systeme pour la reception de signaux d'informations numeriques modules en frequence
GB1449953A (en) Communications system and method for transmitting over a limited bandwidth transmission link
GB1074722A (en) Frequency-diversity radio communication system
BE830335A (fr) Systeme de transmission radio en frequence modulee comportant des signaux monophoniques pouvant etre recus de maniere alternative et transmis sur une seule porteuse
GB1281169A (en) Improvements in or relating to phase modulation transmission systems
ES8308456A1 (es) Perfeccionamientos en los sistemas circuitales para la modu-lacion de la senal transmitida desde estaciones fijas.
GB1587357A (en) Pseudo-noise radar system
GB1210742A (en) Device for the transmission of synchronous pulse signals
DE3068626D1 (en) Circuit for the demodulation of a signal modulated by digital information and receiver comprising such a circuit