DE2628997C3 - System zum Empfang frequenzmodulierter digitaler Nachrichtensignale - Google Patents
System zum Empfang frequenzmodulierter digitaler NachrichtensignaleInfo
- Publication number
- DE2628997C3 DE2628997C3 DE2628997A DE2628997A DE2628997C3 DE 2628997 C3 DE2628997 C3 DE 2628997C3 DE 2628997 A DE2628997 A DE 2628997A DE 2628997 A DE2628997 A DE 2628997A DE 2628997 C3 DE2628997 C3 DE 2628997C3
- Authority
- DE
- Germany
- Prior art keywords
- demodulator
- frequency
- amplitude
- modulation
- output
- 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.)
- Expired
Links
- 238000011156 evaluation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008901 benefit Effects 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims 5
- 230000005855 radiation Effects 0.000 claims 3
- 230000000295 complement effect Effects 0.000 claims 2
- 239000000969 carrier Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000011161 development Methods 0.000 claims 1
- 230000018109 developmental process Effects 0.000 claims 1
- 230000008033 biological extinction Effects 0.000 description 31
- 230000003068 static effect Effects 0.000 description 22
- 230000008859 change Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000001419 dependent effect Effects 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 206010034719 Personality change Diseases 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000011157 data evaluation Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (28)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2628997A DE2628997C3 (de) | 1976-06-28 | 1976-06-28 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| CA279,691A CA1095991A (en) | 1976-06-28 | 1977-06-02 | Frequency-modulated data communications receivers |
| CH774377A CH619087A5 (en) | 1976-06-28 | 1977-06-24 | Device for receiving frequency-modulated digital communications signals |
| JP7538777A JPS532017A (en) | 1976-06-28 | 1977-06-24 | Fm digital signal receiver |
| DK281077A DK281077A (da) | 1976-06-28 | 1977-06-24 | Anleg til modtagelse af frekvensmodulerede digitale informationssignaler |
| AR268189A AR210559A1 (es) | 1976-06-28 | 1977-06-24 | Disposicion para la recepcion de senales digitales de informacion moduladas en frecuencia sobre una portadora en un medio de propagacion con reflexiones |
| EG376/77A EG13287A (en) | 1976-06-28 | 1977-06-25 | Improvements in or relating to frequency-modulated data communications receivers |
| BR7704191A BR7704191A (pt) | 1976-06-28 | 1977-06-27 | Sistema para a recuperacao de sinais digitais de informacao modulados em frequencia |
| LU77628A LU77628A1 (de) | 1976-06-28 | 1977-06-27 | System zum empfang frequenzmodulierter digitaler nachrichtensignale |
| ZA00773844A ZA773844B (en) | 1976-06-28 | 1977-06-27 | Improvements in or relating to frequency-modulated data communications receivers |
| SE7707400A SE417047B (sv) | 1976-06-28 | 1977-06-27 | Anordning for mottagning av frekvensmodullerade digitala datasignaler |
| IL52390A IL52390A (en) | 1976-06-28 | 1977-06-27 | Frequency-modulated data communications receiver |
| FR7719609A FR2357115A1 (fr) | 1976-06-28 | 1977-06-27 | Systeme pour la reception de signaux d'informations numeriques modules en frequence |
| AU26492/77A AU500608B2 (en) | 1976-06-28 | 1977-06-27 | Frequency modulated data receiver |
| PT6672477A PT66724B (de) | 1976-06-28 | 1977-06-27 | System zum empfang frequenzmodulierter digitaler nachrichtensignale |
| TR19665A TR19665A (tr) | 1976-06-28 | 1977-06-27 | Frekans moduelasyonlu sayisal komuenikasyon sinyallerinin alinmasina mahsus sistem |
| GR53818A GR66390B (enExample) | 1976-06-28 | 1977-06-27 | |
| NLAANVRAGE7707119,A NL178115C (nl) | 1976-06-28 | 1977-06-27 | Ontvanginrichting voor frequentiegemoduleerde digitale informatiesignalen. |
| FI771996A FI771996A7 (enExample) | 1976-06-28 | 1977-06-27 | |
| AT452177A AT358631B (de) | 1976-06-28 | 1977-06-27 | System zum empfang digitaler nachrichten- signale |
| NO772272A NO772272L (no) | 1976-06-28 | 1977-06-27 | System til } motta frekvensmodulerte digitale informasjonssignaler |
| GB20851/77A GB1584641A (en) | 1976-06-28 | 1977-06-28 | Frequency-modulated data communications receivers |
| US05/810,904 US4197501A (en) | 1976-06-28 | 1977-06-28 | System for reception of frequency modulated digital communication signals |
| IE1324/77A IE45444B1 (en) | 1976-06-28 | 1977-06-28 | Improvements in or relating to frequency-modulated data communications receivers |
| IT25123/77A IT1086275B (it) | 1976-06-28 | 1977-06-28 | Impianto per ricevere segnali di comunicazione digitali modulati in frequenza |
| ES460184A ES460184A1 (es) | 1976-06-28 | 1977-06-28 | Perfeccionamientos en sistemas para la recepcion de senales de mensaje digitales de frecuencia modulada. |
| BE178866A BE856217A (fr) | 1976-06-28 | 1977-06-28 | Systeme pour la reception de signaux d'informations numeriques modules en frequence |
| IN1549/CAL/77A IN148130B (enExample) | 1976-06-28 | 1977-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2628997A DE2628997C3 (de) | 1976-06-28 | 1976-06-28 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2628997A1 DE2628997A1 (de) | 1977-12-29 |
| DE2628997B2 DE2628997B2 (de) | 1978-04-13 |
| DE2628997C3 true DE2628997C3 (de) | 1978-11-30 |
Family
ID=5981656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2628997A Expired DE2628997C3 (de) | 1976-06-28 | 1976-06-28 | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4197501A (enExample) |
| JP (1) | JPS532017A (enExample) |
| AR (1) | AR210559A1 (enExample) |
| AU (1) | AU500608B2 (enExample) |
| BE (1) | BE856217A (enExample) |
| BR (1) | BR7704191A (enExample) |
| CA (1) | CA1095991A (enExample) |
| DE (1) | DE2628997C3 (enExample) |
| EG (1) | EG13287A (enExample) |
| GR (1) | GR66390B (enExample) |
| IL (1) | IL52390A (enExample) |
| IN (1) | IN148130B (enExample) |
| TR (1) | TR19665A (enExample) |
| ZA (1) | ZA773844B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3121146A1 (de) * | 1981-05-27 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Digitales funksystem |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2905471B1 (de) * | 1979-02-13 | 1980-02-21 | Siemens Ag | System zum Empfang frequenzmodulierter digitaler Nachrichtensignale |
| EP0010552B1 (de) * | 1978-10-25 | 1983-08-24 | Theodor Tobias Dipl.-Phys. Bossert | Verfahren und Schaltungsanordnung zum Messen der Empfangsqualität eines frequenzmodulierten UKW-Signals |
| 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 |
| JP2671595B2 (ja) * | 1990-10-25 | 1997-10-29 | 日本電気株式会社 | 復調装置 |
| US6577851B1 (en) * | 1999-11-16 | 2003-06-10 | Motorola, Inc. | Impulse noise blanker |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
1976
- 1976-06-28 DE DE2628997A patent/DE2628997C3/de not_active Expired
-
1977
- 1977-06-02 CA CA279,691A patent/CA1095991A/en not_active Expired
- 1977-06-24 AR AR268189A patent/AR210559A1/es active
- 1977-06-24 JP JP7538777A patent/JPS532017A/ja active Pending
- 1977-06-25 EG EG376/77A patent/EG13287A/xx active
- 1977-06-27 GR GR53818A patent/GR66390B/el unknown
- 1977-06-27 IL IL52390A patent/IL52390A/xx unknown
- 1977-06-27 TR TR19665A patent/TR19665A/xx unknown
- 1977-06-27 ZA ZA00773844A patent/ZA773844B/xx unknown
- 1977-06-27 BR BR7704191A patent/BR7704191A/pt unknown
- 1977-06-27 AU AU26492/77A patent/AU500608B2/en not_active Expired
- 1977-06-28 BE BE178866A patent/BE856217A/xx unknown
- 1977-06-28 US US05/810,904 patent/US4197501A/en not_active Expired - Lifetime
- 1977-10-28 IN IN1549/CAL/77A patent/IN148130B/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3121146A1 (de) * | 1981-05-27 | 1983-01-05 | Siemens AG, 1000 Berlin und 8000 München | Digitales funksystem |
Also Published As
| Publication number | Publication date |
|---|---|
| IN148130B (enExample) | 1980-11-08 |
| ZA773844B (en) | 1978-05-30 |
| JPS532017A (en) | 1978-01-10 |
| IL52390A0 (en) | 1977-08-31 |
| AU500608B2 (en) | 1979-05-24 |
| AU2649277A (en) | 1979-01-04 |
| EG13287A (en) | 1982-03-31 |
| GR66390B (enExample) | 1981-03-20 |
| TR19665A (tr) | 1979-10-05 |
| DE2628997B2 (de) | 1978-04-13 |
| CA1095991A (en) | 1981-02-17 |
| US4197501A (en) | 1980-04-08 |
| BE856217A (fr) | 1977-12-28 |
| BR7704191A (pt) | 1978-03-21 |
| IL52390A (en) | 1979-07-25 |
| DE2628997A1 (de) | 1977-12-29 |
| AR210559A1 (es) | 1977-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| OI | Miscellaneous see part 1 | ||
| 8339 | Ceased/non-payment of the annual fee |