BE519977A - - Google Patents
Info
- Publication number
- BE519977A BE519977A BE519977DA BE519977A BE 519977 A BE519977 A BE 519977A BE 519977D A BE519977D A BE 519977DA BE 519977 A BE519977 A BE 519977A
- 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
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
-
- 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
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL721106X | 1952-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE519977A true BE519977A (pt) |
Family
ID=19816700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE519977D BE519977A (pt) | 1952-05-17 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2775703A (pt) |
| BE (1) | BE519977A (pt) |
| DE (1) | DE936881C (pt) |
| FR (1) | FR1077341A (pt) |
| GB (1) | GB721106A (pt) |
| NL (2) | NL85193C (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL89299C (pt) * | 1955-09-23 | |||
| US2833923A (en) * | 1955-10-13 | 1958-05-06 | Gen Electric | Hunting a. f. c. system |
| US2874292A (en) * | 1956-05-21 | 1959-02-17 | Skyline Products Inc | Emergency signaling device |
| US2972720A (en) * | 1957-09-24 | 1961-02-21 | Westinghouse Electric Corp | Automatic frequency control apparatus |
| DE1194463B (de) * | 1961-09-05 | 1965-06-10 | Siemens Ag | Frequenzregelschaltung |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2268872A (en) * | 1939-07-11 | 1942-01-06 | Hewlett Packard Co | Variable frequency oscillation generator |
| BE442115A (pt) * | 1940-02-29 | |||
| US2434294A (en) * | 1943-10-22 | 1948-01-13 | Sperry Gyroscope Co Inc | Frequency control system |
| FR956079A (pt) * | 1946-09-20 | 1950-01-24 | ||
| NL85185C (pt) * | 1948-03-27 | |||
| US2601436A (en) * | 1948-04-17 | 1952-06-24 | Hartford Nat Bank & Trust Co | Frequency control apparatus |
| US2631239A (en) * | 1950-02-01 | 1953-03-10 | Lower Jack Wesley | Automatic frequency control system |
-
0
- NL NLAANVRAGE7400795,A patent/NL169676B/xx unknown
- NL NL85193D patent/NL85193C/xx active
- BE BE519977D patent/BE519977A/xx unknown
-
1953
- 1953-05-14 GB GB13524/53A patent/GB721106A/en not_active Expired
- 1953-05-14 DE DEN7186A patent/DE936881C/de not_active Expired
- 1953-05-15 FR FR1077341D patent/FR1077341A/fr not_active Expired
- 1953-05-18 US US355778A patent/US2775703A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL169676B (nl) | |
| FR1077341A (fr) | 1954-11-05 |
| NL85193C (pt) | |
| GB721106A (en) | 1954-12-29 |
| DE936881C (de) | 1955-12-22 |
| US2775703A (en) | 1956-12-25 |