FR1088793A - Circuit de comparaison des phases de signaux électriques - Google Patents
Circuit de comparaison des phases de signaux électriquesInfo
- Publication number
- FR1088793A FR1088793A FR1088793DA FR1088793A FR 1088793 A FR1088793 A FR 1088793A FR 1088793D A FR1088793D A FR 1088793DA FR 1088793 A FR1088793 A FR 1088793A
- Authority
- FR
- France
- Prior art keywords
- electrical signal
- comparison circuit
- phase comparison
- signal phase
- circuit
- Prior art date
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
- H03D13/005—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which one of the oscillations is, or is converted into, a signal having a special waveform, e.g. triangular
- H03D13/006—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which one of the oscillations is, or is converted into, a signal having a special waveform, e.g. triangular and by sampling this signal by narrow pulses obtained from the second oscillation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Networks Using Active Elements (AREA)
- Synchronizing For Television (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Details Of Television Scanning (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US320712A US2876382A (en) | 1952-11-15 | 1952-11-15 | Phase comparison |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1088793A true FR1088793A (fr) | 1955-03-10 |
Family
ID=23247588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1088793D Expired FR1088793A (fr) | 1952-11-15 | 1953-10-27 | Circuit de comparaison des phases de signaux électriques |
Country Status (9)
Country | Link |
---|---|
US (1) | US2876382A (fr) |
JP (1) | JPS308194B1 (fr) |
CH (1) | CH326806A (fr) |
DE (1) | DE941065C (fr) |
DK (1) | DK103573C (fr) |
ES (1) | ES212175A1 (fr) |
FR (1) | FR1088793A (fr) |
GB (1) | GB742829A (fr) |
NL (1) | NL182822B (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1190028B (de) * | 1958-06-05 | 1965-04-01 | Loewe Opta Ag | Synchronisieranordnung fuer die Bild- oder Zeilenablenkung in Fernsehempfaengern |
DE1093814B (de) * | 1959-04-07 | 1960-12-01 | Standard Elektrik Lorenz Ag | Verfahren zur automatischen Kontrastregelung von Fernsehgeraeten |
GB944161A (en) * | 1959-04-09 | 1963-12-11 | Rank Bush Murphy Ltd | Improvements in or relating to oscillator synchronizing circuit arrangements |
US3022461A (en) * | 1959-07-20 | 1962-02-20 | Ampex | Frequency and/or phase demodulator |
US3084276A (en) * | 1960-01-18 | 1963-04-02 | Texas Instruments Inc | Transistorized dynamic focus circuit |
US3199045A (en) * | 1961-08-09 | 1965-08-03 | Zenith Radio Corp | Automatic frequency control system |
US3183445A (en) * | 1962-04-04 | 1965-05-11 | Sigel David | Phase comparator "and" gate |
NL301214A (fr) * | 1962-12-03 | |||
LU61620A1 (fr) * | 1969-09-19 | 1970-12-01 | ||
US3863080A (en) * | 1973-10-18 | 1975-01-28 | Rca Corp | Current output frequency and phase comparator |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2503700A (en) * | 1947-09-30 | 1950-04-11 | Rca Corp | Phase detector |
NL76055C (fr) * | 1948-04-21 | |||
BE495156A (fr) * | 1949-04-16 | |||
US2627039A (en) * | 1950-05-29 | 1953-01-27 | Bell Telephone Labor Inc | Gating circuits |
US2713665A (en) * | 1950-11-09 | 1955-07-19 | Bell Telephone Labor Inc | Transistor modulator circuits |
US2645717A (en) * | 1951-08-18 | 1953-07-14 | Motorola Inc | Synchronization circuit |
US2629834A (en) * | 1951-09-15 | 1953-02-24 | Bell Telephone Labor Inc | Gate and trigger circuits employing transistors |
NL86752C (fr) * | 1952-07-18 | |||
US2657360A (en) * | 1952-08-15 | 1953-10-27 | Bell Telephone Labor Inc | Four-electrode transistor modulator |
-
0
- NL NLAANVRAGE7605315,A patent/NL182822B/xx unknown
-
1952
- 1952-11-15 US US320712A patent/US2876382A/en not_active Expired - Lifetime
-
1953
- 1953-10-27 FR FR1088793D patent/FR1088793A/fr not_active Expired
- 1953-10-30 GB GB30089/53A patent/GB742829A/en not_active Expired
- 1953-11-08 DE DER12917A patent/DE941065C/de not_active Expired
- 1953-11-10 CH CH326806D patent/CH326806A/de unknown
- 1953-11-13 JP JP2079753A patent/JPS308194B1/ja active Pending
- 1953-11-14 DK DK371653AA patent/DK103573C/da active
- 1953-11-14 ES ES0212175A patent/ES212175A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2876382A (en) | 1959-03-03 |
NL182822B (nl) | |
ES212175A1 (es) | 1954-01-01 |
DK103573C (da) | 1966-01-24 |
CH326806A (de) | 1957-12-31 |
JPS308194B1 (fr) | 1955-11-12 |
GB742829A (en) | 1956-01-04 |
DE941065C (de) | 1956-04-05 |
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