BE822334A - Discriminateur de frequence a ondes superficielles - Google Patents
Discriminateur de frequence a ondes superficiellesInfo
- Publication number
- BE822334A BE822334A BE2053983A BE2053983A BE822334A BE 822334 A BE822334 A BE 822334A BE 2053983 A BE2053983 A BE 2053983A BE 2053983 A BE2053983 A BE 2053983A BE 822334 A BE822334 A BE 822334A
- Authority
- BE
- Belgium
- Prior art keywords
- wave frequency
- frequency discriminator
- superficial
- superficial wave
- discriminator
- Prior art date
Links
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
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/16—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of electromechanical resonators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41703673A | 1973-11-19 | 1973-11-19 | |
US05/538,557 US3962649A (en) | 1973-11-19 | 1975-01-06 | Surface wave frequency discriminator |
Publications (1)
Publication Number | Publication Date |
---|---|
BE822334A true BE822334A (fr) | 1975-03-14 |
Family
ID=27023574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2053983A BE822334A (fr) | 1973-11-19 | 1974-11-19 | Discriminateur de frequence a ondes superficielles |
Country Status (3)
Country | Link |
---|---|
US (1) | US3962649A (fr) |
BE (1) | BE822334A (fr) |
DE (1) | DE2454498A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4633316A (en) * | 1984-11-14 | 1986-12-30 | Zenith Electronics Corporation | Stable low cost 4.5 MHz remodulator |
KR100561429B1 (ko) * | 2004-05-25 | 2006-03-17 | 삼성전자주식회사 | 현상기의 전압 공급장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3191121A (en) * | 1960-10-17 | 1965-06-22 | North American Aviation Inc | Bistable current reversing switch for frequency determination |
US3209212A (en) * | 1961-01-11 | 1965-09-28 | Westinghouse Electric Corp | Frequency responsive control device |
US3209253A (en) * | 1962-06-26 | 1965-09-28 | Gen Precision Inc | Frequency measuring circuit utilizing transistors to switch capacitor currents through an indicator |
US3582540A (en) * | 1969-04-17 | 1971-06-01 | Zenith Radio Corp | Signal translating apparatus using surface wave acoustic device |
US3750027A (en) * | 1970-08-12 | 1973-07-31 | Texas Instruments Inc | Surface wave frequency discriminators |
-
1974
- 1974-11-16 DE DE19742454498 patent/DE2454498A1/de active Pending
- 1974-11-19 BE BE2053983A patent/BE822334A/fr unknown
-
1975
- 1975-01-06 US US05/538,557 patent/US3962649A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE2454498A1 (de) | 1975-05-22 |
US3962649A (en) | 1976-06-08 |
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