LU64814A1 - - Google Patents
Info
- Publication number
- LU64814A1 LU64814A1 LU64814DA LU64814A1 LU 64814 A1 LU64814 A1 LU 64814A1 LU 64814D A LU64814D A LU 64814DA LU 64814 A1 LU64814 A1 LU 64814A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- filter
- phasemeter
- frequency
- input
- control
- 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
- H03D3/14—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 semiconductor devices having more than two electrodes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Networks Using Active Elements (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7106309A FR2126090B1 (de) | 1971-02-24 | 1971-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
LU64814A1 true LU64814A1 (de) | 1972-12-05 |
Family
ID=9072413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LU64814D LU64814A1 (de) | 1971-02-24 | 1972-02-21 |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE779472A (de) |
DE (1) | DE2207781A1 (de) |
FR (1) | FR2126090B1 (de) |
GB (1) | GB1314659A (de) |
IT (1) | IT949184B (de) |
LU (1) | LU64814A1 (de) |
NL (1) | NL7202352A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2001217B (en) * | 1977-07-15 | 1982-01-27 | Victor Company Of Japan | Phase tracked loop frequency demodulator |
FR2485294A1 (fr) * | 1980-06-23 | 1981-12-24 | Trt Telecom Radio Electr | Demodulateur de frequence utilisant un circuit a retard variable avec la frequence recue |
-
1971
- 1971-02-24 FR FR7106309A patent/FR2126090B1/fr not_active Expired
-
1972
- 1972-02-17 BE BE779472A patent/BE779472A/xx unknown
- 1972-02-18 DE DE19722207781 patent/DE2207781A1/de active Pending
- 1972-02-21 LU LU64814D patent/LU64814A1/xx unknown
- 1972-02-23 NL NL7202352A patent/NL7202352A/xx unknown
- 1972-02-23 IT IT6756972A patent/IT949184B/it active
- 1972-02-24 GB GB866572A patent/GB1314659A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2126090B1 (de) | 1974-02-15 |
DE2207781A1 (de) | 1972-08-31 |
NL7202352A (de) | 1972-08-28 |
BE779472A (fr) | 1972-08-17 |
IT949184B (it) | 1973-06-11 |
GB1314659A (en) | 1973-04-26 |
FR2126090A1 (de) | 1972-10-06 |
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