NO761262L - - Google Patents
Info
- Publication number
- NO761262L NO761262L NO761262A NO761262A NO761262L NO 761262 L NO761262 L NO 761262L NO 761262 A NO761262 A NO 761262A NO 761262 A NO761262 A NO 761262A NO 761262 L NO761262 L NO 761262L
- Authority
- NO
- Norway
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0016—Stabilisation of local oscillators
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH481875A CH584490A5 (de) | 1975-04-16 | 1975-04-16 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO761262L true NO761262L (de) | 1976-10-19 |
| NO149680B NO149680B (no) | 1984-02-20 |
| NO149680C NO149680C (no) | 1984-05-30 |
Family
ID=4283070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO761262A NO149680C (no) | 1975-04-16 | 1976-04-12 | Fremgangsmaate og innretning for demodulering av fasestyrt hoeyfrekvenssignal |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4137505A (de) |
| JP (1) | JPS51127662A (de) |
| CH (1) | CH584490A5 (de) |
| DE (1) | DE2520448C2 (de) |
| FR (1) | FR2308245A1 (de) |
| GB (1) | GB1546506A (de) |
| IT (1) | IT1059108B (de) |
| NL (1) | NL7603937A (de) |
| NO (1) | NO149680C (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4475088A (en) * | 1981-06-04 | 1984-10-02 | Westinghouse Electric Corp. | Gain imbalance corrected quadrature phase detector |
| JPS60154758A (ja) * | 1984-01-25 | 1985-08-14 | Alps Electric Co Ltd | Ｐｓｋ復調装置 |
| US5245637A (en) * | 1991-12-30 | 1993-09-14 | International Business Machines Corporation | Phase and frequency adjustable digital phase lock logic system |
| US5371766A (en) * | 1992-11-20 | 1994-12-06 | International Business Machines Corporation | Clock extraction and data regeneration logic for multiple speed data communications systems |
| US6081560A (en) * | 1996-03-02 | 2000-06-27 | U.S. Philips Corporation | Production of a frequency control signal in an FSK receiver |
| US7116728B2 (en) * | 2001-05-25 | 2006-10-03 | Matsushita Electric Industrial Co., Ltd. | Quadrature alignment in communications receivers using dual delay lines |
| US8113837B2 (en) * | 2007-11-26 | 2012-02-14 | Peter John Zegarelli | Oral appliance for delivering a medicament |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL84051C (de) * | 1942-07-11 | |||
| CH259266A (de) * | 1946-04-12 | 1949-01-15 | Patelhold Patentverwertung | Einrichtung zur automatischen Einregulierung der Frequenz eines Röhrengenerators auf eine Steuerfrequenz. |
| US3638125A (en) * | 1969-11-26 | 1972-01-25 | Bell Telephone Labor Inc | Apparatus and method for the synchronous detection of a differentially phase modulated signal |
| DE2101804C3 (de) * | 1971-01-15 | 1978-09-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Schaltungen zum Rückgewinnen der Trägerfrequenz für einen Vierphasen-Demodulator |
| DE2216259A1 (de) * | 1972-04-05 | 1973-10-18 | Licentia Gmbh | Schaltungsanordnung zum ableiten der traegerfrequenz aus den empfangenen signalen in einem vierphasen-demodulator |
| US3748590A (en) * | 1972-04-14 | 1973-07-24 | Singer Co | Sine cosine frequency tracker |
| US3789316A (en) * | 1973-06-13 | 1974-01-29 | Singer Co | Sine-cosine frequency tracker |
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1975
- 1975-04-16 CH CH481875A patent/CH584490A5/xx not_active IP Right Cessation
- 1975-05-07 DE DE2520448A patent/DE2520448C2/de not_active Expired
-
1976
- 1976-03-12 GB GB10084/76A patent/GB1546506A/en not_active Expired
- 1976-04-08 US US05/674,890 patent/US4137505A/en not_active Expired - Lifetime
- 1976-04-12 NO NO761262A patent/NO149680C/no unknown
- 1976-04-14 JP JP51041415A patent/JPS51127662A/ja active Pending
- 1976-04-14 NL NL7603937A patent/NL7603937A/xx not_active Application Discontinuation
- 1976-04-14 FR FR7611631A patent/FR2308245A1/fr active Granted
- 1976-04-14 IT IT22322/76A patent/IT1059108B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NO149680C (no) | 1984-05-30 |
| JPS51127662A (en) | 1976-11-06 |
| IT1059108B (it) | 1982-05-31 |
| DE2520448C2 (de) | 1985-03-07 |
| FR2308245A1 (fr) | 1976-11-12 |
| CH584490A5 (de) | 1977-01-31 |
| NO149680B (no) | 1984-02-20 |
| US4137505A (en) | 1979-01-30 |
| GB1546506A (en) | 1979-05-23 |
| FR2308245B1 (de) | 1981-01-02 |
| DE2520448A1 (de) | 1976-11-11 |
| NL7603937A (nl) | 1976-10-19 |