GB1292495A - Improvements in or relating to demodulator circuits for frequency-modulated signals - Google Patents
Improvements in or relating to demodulator circuits for frequency-modulated signalsInfo
- Publication number
- GB1292495A GB1292495A GB930370A GB930370A GB1292495A GB 1292495 A GB1292495 A GB 1292495A GB 930370 A GB930370 A GB 930370A GB 930370 A GB930370 A GB 930370A GB 1292495 A GB1292495 A GB 1292495A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- signal
- direct voltage
- filter
- input
- 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
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691910019 DE1910019C (de) | 1969-02-27 | Schaltungsanordnung zur Demodulation von frequenz modulierten Signalen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1292495A true GB1292495A (en) | 1972-10-11 |
Family
ID=5726571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB930370A Expired GB1292495A (en) | 1969-02-27 | 1970-02-26 | Improvements in or relating to demodulator circuits for frequency-modulated signals |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT313980B (enrdf_load_stackoverflow) |
BE (1) | BE746661A (enrdf_load_stackoverflow) |
CH (1) | CH504787A (enrdf_load_stackoverflow) |
FR (1) | FR2035740A5 (enrdf_load_stackoverflow) |
GB (1) | GB1292495A (enrdf_load_stackoverflow) |
LU (1) | LU60411A1 (enrdf_load_stackoverflow) |
NL (1) | NL7002195A (enrdf_load_stackoverflow) |
SE (1) | SE353825B (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2228069C3 (de) * | 1972-06-09 | 1979-07-26 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren und Einrichtung zur Unterdrückung von Störungen bei frequenzmodulierten Signalen |
-
1970
- 1970-02-17 NL NL7002195A patent/NL7002195A/xx unknown
- 1970-02-20 CH CH244670A patent/CH504787A/de not_active IP Right Cessation
- 1970-02-25 LU LU60411D patent/LU60411A1/xx unknown
- 1970-02-25 AT AT172770A patent/AT313980B/de active
- 1970-02-26 GB GB930370A patent/GB1292495A/en not_active Expired
- 1970-02-26 SE SE250970A patent/SE353825B/xx unknown
- 1970-02-27 FR FR7007217A patent/FR2035740A5/fr not_active Expired
- 1970-02-27 BE BE746661D patent/BE746661A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1910019B2 (de) | 1971-07-01 |
CH504787A (de) | 1971-03-15 |
LU60411A1 (enrdf_load_stackoverflow) | 1970-04-28 |
NL7002195A (enrdf_load_stackoverflow) | 1970-08-31 |
DE1910019A1 (de) | 1970-08-13 |
FR2035740A5 (enrdf_load_stackoverflow) | 1970-12-18 |
AT313980B (de) | 1974-03-11 |
BE746661A (fr) | 1970-08-27 |
SE353825B (enrdf_load_stackoverflow) | 1973-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |