BE521745A - - Google Patents
Info
- Publication number
- BE521745A BE521745A BE521745DA BE521745A BE 521745 A BE521745 A BE 521745A BE 521745D A BE521745D A BE 521745DA BE 521745 A BE521745 A BE 521745A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
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- 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
- H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1082134X | 1952-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521745A true BE521745A (en:Method) |
Family
ID=4556446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521745D BE521745A (en:Method) | 1952-08-22 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE521745A (en:Method) |
| CH (1) | CH303101A (en:Method) |
| DE (1) | DE931536C (en:Method) |
| FR (1) | FR1082134A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1591364B1 (de) * | 1967-04-29 | 1970-08-20 | Philips Patentverwaltung | Schaltungsanordnung zum Abstimmen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR961639A (en:Method) * | 1950-05-16 | |||
| DE662456C (de) * | 1935-11-02 | 1938-07-13 | Rca Corp | Einrichtung zur Umwandlung phasen- oder frequenzmodulierter Schwingungen in amplitudenmodulierte oder umgekehrt |
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0
- BE BE521745D patent/BE521745A/xx unknown
-
1952
- 1952-08-22 CH CH303101D patent/CH303101A/de unknown
-
1953
- 1953-06-30 DE DEA18315A patent/DE931536C/de not_active Expired
- 1953-08-05 FR FR1082134D patent/FR1082134A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1082134A (fr) | 1954-12-27 |
| CH303101A (de) | 1954-11-15 |
| DE931536C (de) | 1955-08-11 |