FR2250227B1 - - Google Patents
Info
- Publication number
- FR2250227B1 FR2250227B1 FR7441578A FR7441578A FR2250227B1 FR 2250227 B1 FR2250227 B1 FR 2250227B1 FR 7441578 A FR7441578 A FR 7441578A FR 7441578 A FR7441578 A FR 7441578A FR 2250227 B1 FR2250227 B1 FR 2250227B1
- Authority
- FR
- France
- 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
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
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
- H03D3/242—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop combined with means for controlling the frequency of a further oscillator, e.g. for negative frequency feedback or AFC
-
- 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
-
- 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
- H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Television Signal Processing For Recording (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48124766A JPS5075759A (fr) | 1973-11-06 | 1973-11-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2250227A1 FR2250227A1 (fr) | 1975-05-30 |
FR2250227B1 true FR2250227B1 (fr) | 1977-05-20 |
Family
ID=14893573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7441578A Expired FR2250227B1 (fr) | 1973-11-06 | 1974-12-17 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3949314A (fr) |
JP (1) | JPS5075759A (fr) |
AT (1) | AT371636B (fr) |
AU (1) | AU470647B2 (fr) |
CA (1) | CA1045219A (fr) |
DE (1) | DE2452487C3 (fr) |
FR (1) | FR2250227B1 (fr) |
GB (1) | GB1476145A (fr) |
IT (1) | IT1023155B (fr) |
NL (1) | NL187778C (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5377102A (en) * | 1976-12-20 | 1978-07-08 | Nippon Gakki Seizo Kk | Fm stereo demodulating circuit |
DE2913172B2 (de) * | 1979-04-02 | 1981-06-11 | Siemens AG, 1000 Berlin und 8000 München | Empfänger für hochfrequente elektromagneitsche Schwingungen mit einer Frequenznachregelung |
US4485358A (en) * | 1981-09-28 | 1984-11-27 | E-Systems, Inc. | Method and apparatus for pulse angle modulation |
US4518998A (en) * | 1982-06-03 | 1985-05-21 | Klimsch/Optronics, Inc. | Method and apparatus for producing a time advanced output pulse train from an input pulse train |
NL8502967A (nl) * | 1985-09-19 | 1987-04-16 | Philips Nv | Hoekdemodulator. |
JP3245042B2 (ja) * | 1996-03-11 | 2002-01-07 | 沖電気工業株式会社 | 同調発振回路 |
US5945854A (en) * | 1998-02-10 | 1999-08-31 | Ericsson Inc. | Phase locked loops including input amplitude control |
JP2003525534A (ja) | 1998-12-30 | 2003-08-26 | フューチャーウェイブ インク. | 定包絡線変調通信システム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3101448A (en) * | 1954-12-23 | 1963-08-20 | Gen Electric | Synchronous detector system |
US3012200A (en) * | 1957-10-18 | 1961-12-05 | Hurvitz Hyman | Frequency coincidence detector |
US3308387A (en) * | 1963-09-18 | 1967-03-07 | Ball Brothers Res Corp | Clock synchronizer |
US3500217A (en) * | 1967-07-31 | 1970-03-10 | Us Navy | Frequency discriminator employing quadrature demodulation techniques |
US3501691A (en) * | 1968-05-08 | 1970-03-17 | Varian Associates | Single sideband system for improving the sensitivity of gyromagnetic resonance spectrometers |
-
1973
- 1973-11-06 JP JP48124766A patent/JPS5075759A/ja active Pending
-
1974
- 1974-10-29 US US05/519,028 patent/US3949314A/en not_active Expired - Lifetime
- 1974-10-31 AU AU74924/74A patent/AU470647B2/en not_active Expired
- 1974-11-01 GB GB4740474A patent/GB1476145A/en not_active Expired
- 1974-11-05 CA CA213,081A patent/CA1045219A/fr not_active Expired
- 1974-11-05 DE DE2452487A patent/DE2452487C3/de not_active Expired
- 1974-11-05 IT IT53857/74A patent/IT1023155B/it active
- 1974-11-06 NL NLAANVRAGE7414494,A patent/NL187778C/xx not_active IP Right Cessation
- 1974-11-06 AT AT0890174A patent/AT371636B/de not_active IP Right Cessation
- 1974-12-17 FR FR7441578A patent/FR2250227B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2452487C3 (de) | 1978-03-09 |
NL187778B (nl) | 1991-08-01 |
GB1476145A (en) | 1977-06-10 |
JPS5075759A (fr) | 1975-06-21 |
AU470647B2 (en) | 1976-03-25 |
IT1023155B (it) | 1978-05-10 |
CA1045219A (fr) | 1978-12-26 |
AT371636B (de) | 1983-07-11 |
FR2250227A1 (fr) | 1975-05-30 |
ATA890174A (de) | 1982-11-15 |
DE2452487A1 (de) | 1975-05-15 |
NL187778C (nl) | 1992-01-02 |
DE2452487B2 (de) | 1977-07-28 |
US3949314A (en) | 1976-04-06 |
AU7492474A (en) | 1976-03-25 |
NL7414494A (nl) | 1975-05-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |