NL7202352A - - Google Patents
Info
- Publication number
- NL7202352A NL7202352A NL7202352A NL7202352A NL7202352A NL 7202352 A NL7202352 A NL 7202352A NL 7202352 A NL7202352 A NL 7202352A NL 7202352 A NL7202352 A NL 7202352A NL 7202352 A NL7202352 A NL 7202352A
- Authority
- NL
- Netherlands
- 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)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (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 |
---|---|
NL7202352A true NL7202352A (de) | 1972-08-28 |
Family
ID=9072413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7202352A NL7202352A (de) | 1971-02-24 | 1972-02-23 |
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 |
---|---|---|---|---|
US4198609A (en) * | 1977-07-15 | 1980-04-15 | Victor Company Of Japan, Limited | 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 IT IT6756972A patent/IT949184B/it active
- 1972-02-23 NL NL7202352A patent/NL7202352A/xx unknown
- 1972-02-24 GB GB866572A patent/GB1314659A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2126090A1 (de) | 1972-10-06 |
BE779472A (fr) | 1972-08-17 |
DE2207781A1 (de) | 1972-08-31 |
IT949184B (it) | 1973-06-11 |
FR2126090B1 (de) | 1974-02-15 |
LU64814A1 (de) | 1972-12-05 |
GB1314659A (en) | 1973-04-26 |
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