CH431610A - Disposizione di circuiti per ridurre la distorsione propria di un demodulatore di onde modulate in frequenza per trasmissioni telegrafische e di dati - Google Patents
Disposizione di circuiti per ridurre la distorsione propria di un demodulatore di onde modulate in frequenza per trasmissioni telegrafische e di datiInfo
- Publication number
- CH431610A CH431610A CH374665A CH374665A CH431610A CH 431610 A CH431610 A CH 431610A CH 374665 A CH374665 A CH 374665A CH 374665 A CH374665 A CH 374665A CH 431610 A CH431610 A CH 431610A
- Authority
- CH
- Switzerland
- Prior art keywords
- telegraph
- circuits
- arrangement
- reduce
- data transmissions
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 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
-
- 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
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Dc Digital Transmission (AREA)
- Gates (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT757164 | 1964-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH431610A true CH431610A (it) | 1967-03-15 |
Family
ID=11125176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH374665A CH431610A (it) | 1964-04-07 | 1965-03-17 | Disposizione di circuiti per ridurre la distorsione propria di un demodulatore di onde modulate in frequenza per trasmissioni telegrafische e di dati |
Country Status (9)
Country | Link |
---|---|
US (1) | US3421089A (it) |
AT (1) | AT251041B (it) |
BE (1) | BE662182A (it) |
CH (1) | CH431610A (it) |
DE (1) | DE1233028B (it) |
GB (1) | GB1056363A (it) |
NL (1) | NL6504256A (it) |
NO (1) | NO115706B (it) |
SE (1) | SE314701B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE786046A (fr) * | 1971-07-13 | 1973-01-10 | Int Standard Electric Corp | Discriminateur de frequences |
US3764927A (en) * | 1971-12-07 | 1973-10-09 | Gen Datacomm Ind Inc | Wide band frequency discriminator |
FR2204921B1 (it) * | 1972-10-27 | 1976-04-23 | Commissariat Energie Atomique | |
CH577765A5 (it) * | 1972-12-05 | 1976-07-15 | Hartig Gunter | |
GB2143386B (en) * | 1983-07-14 | 1987-01-14 | Standard Telephones Cables Ltd | Radio receiver |
DE69027815T2 (de) * | 1989-05-25 | 1996-12-12 | Sony Corp | FM-Demodulator |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2394544A (en) * | 1943-02-27 | 1946-02-12 | Rca Corp | Receiving system for electric waves |
US3349329A (en) * | 1963-07-30 | 1967-10-24 | Robertshaw Controls Co | Means and method of reducing jitter distortion of binary data recovered from a communication wave |
-
1965
- 1965-03-17 CH CH374665A patent/CH431610A/it unknown
- 1965-03-19 NO NO157299A patent/NO115706B/no unknown
- 1965-03-19 DE DES96058A patent/DE1233028B/de active Pending
- 1965-03-30 GB GB13377/65A patent/GB1056363A/en not_active Expired
- 1965-04-02 AT AT301565A patent/AT251041B/de active
- 1965-04-02 NL NL6504256A patent/NL6504256A/xx unknown
- 1965-04-05 US US445359A patent/US3421089A/en not_active Expired - Lifetime
- 1965-04-06 SE SE4463/65A patent/SE314701B/xx unknown
- 1965-04-07 BE BE662182D patent/BE662182A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
SE314701B (it) | 1969-09-15 |
GB1056363A (en) | 1967-01-25 |
DE1233028B (de) | 1967-01-26 |
NO115706B (it) | 1968-11-18 |
US3421089A (en) | 1969-01-07 |
BE662182A (it) | 1965-08-02 |
AT251041B (de) | 1966-12-12 |
NL6504256A (it) | 1965-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH431610A (it) | Disposizione di circuiti per ridurre la distorsione propria di un demodulatore di onde modulate in frequenza per trasmissioni telegrafische e di dati | |
CH538792A (it) | Demodulatore di onde modulate in frequenza per sistemi di trasmissione di informazioni binarie | |
FR84319E (fr) | Démodulateur d'ondes modulées en fréquence | |
DK133569B (da) | FM/AM-omsætter til omsætning af en frekvensmoduleret bølge til en amplitudemoduleret bølge med undertrykt bærefrekvens. | |
BE616691A (fr) | Récepteur à modulation de fréquence à bruit faible | |
CH427926A (de) | Frequenzmodulator | |
FR1359334A (fr) | Transducteur à modulation différentielle de fréquence | |
FR88081E (fr) | Perfectionnements aux récepteurs d'ondes radioélectriques modulées en fréquence | |
FR1429711A (fr) | Circuit propre à réduire la distorsion propre d'un démodulateur à modulation de fréquence pour les transmissions télégraphiques et de données | |
FR1328367A (fr) | Démodulateur d'ondes modulées en fréquence | |
BE773322A (fr) | Agencement de telegraphie en courant alternatif et/ou de transmission de donnees a manipulation de frequence | |
FR1415162A (fr) | Oscillateur à modulation de fréquence | |
FR91136E (fr) | Démodulateur d'ondes modulées en fréquence | |
IT1014577B (it) | Demodulatore di onde modulate in frequenza per sistemi di trasmissio ne di informazioni binarie | |
AT255480B (de) | Frequenzmodulatorschaltung | |
FR85134E (fr) | Démodulateur d'ondes modulées en fréquence | |
FR1470773A (fr) | Récepteur à modulation de fréquence | |
FR1429466A (fr) | Modulation de fréquence synchrone de données numériques | |
FR1372311A (fr) | Dispositif pour démoduler une onde porteuse modulée en fréquence | |
OA00102A (fr) | Perfectionnements aux oscillateurs modulés en fréquence. | |
CH458454A (fr) | Montage pour démoduler un signal à modulation de fréquence | |
FR1419019A (fr) | Perfectionnements aux récepteurs d'ondes radio-électriques modulées en fréquence | |
FR1357051A (fr) | Perfectionnements aux dispositifs de transmission en modulation de fréquence | |
FR1413552A (fr) | Oscillateur modulé en fréquence | |
FR1407555A (fr) | Arrangements de circuits modulés en fréquence à linéarité améliorée |