BE495836A - - Google Patents
Info
- Publication number
- BE495836A BE495836A BE495836DA BE495836A BE 495836 A BE495836 A BE 495836A BE 495836D A BE495836D A BE 495836DA BE 495836 A BE495836 A BE 495836A
- Authority
- BE
- Belgium
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
- H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
- H03L7/04—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element wherein the frequency-determining element comprises distributed inductance and capacitance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/35—Details of non-pulse systems
- G01S7/352—Receivers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94613A US2523537A (en) | 1949-05-21 | 1949-05-21 | Frequency control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE495836A true BE495836A (de) |
Family
ID=22246165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE495836D BE495836A (de) | 1949-05-21 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2523537A (de) |
| BE (1) | BE495836A (de) |
| FR (1) | FR1017456A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2856519A (en) * | 1952-10-11 | 1958-10-14 | Gen Precision Lab Inc | Automatic signal frequency tracker, with search and hold-during-fade provisions |
| US2870331A (en) * | 1953-07-17 | 1959-01-20 | Gen Precision Lab Inc | Automatic signal frequency tracker |
| US2913718A (en) * | 1955-12-28 | 1959-11-17 | William T Chapin | Automatic power output and difference frequency control systems |
| US2935743A (en) * | 1956-06-04 | 1960-05-03 | Marconi Co Canada | Noise reduction in continuous wave doppler radar systems |
| DE1053583B (de) * | 1956-07-23 | 1959-03-26 | Cole E K Ltd | Automatische Frequenzregelvorrichtung |
| US3374480A (en) * | 1958-08-20 | 1968-03-19 | Bell Aerospace Corp | Receiver tuning for radar and the like |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2434293A (en) * | 1943-05-11 | 1948-01-13 | Sperry Gyroscope Co Inc | Frequency control of an oscillator of the velocity modulation type |
| US2434294A (en) * | 1943-10-22 | 1948-01-13 | Sperry Gyroscope Co Inc | Frequency control system |
| US2425013A (en) * | 1944-04-07 | 1947-08-05 | Sperry Gyroscope Co Inc | Frequency control system |
-
0
- BE BE495836D patent/BE495836A/xx unknown
-
1949
- 1949-05-21 US US94613A patent/US2523537A/en not_active Expired - Lifetime
-
1950
- 1950-05-12 FR FR1017456D patent/FR1017456A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2523537A (en) | 1950-09-26 |
| FR1017456A (fr) | 1952-12-11 |