BE485015A - - Google Patents
Info
- Publication number
- BE485015A BE485015A BE485015DA BE485015A BE 485015 A BE485015 A BE 485015A BE 485015D A BE485015D A BE 485015DA BE 485015 A BE485015 A BE 485015A
- 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
- H03L7/16—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 |
|---|---|---|---|
| NL267529X | 1947-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE485015A true BE485015A (zh) |
Family
ID=19781800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE485015D BE485015A (zh) | 1947-09-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2719231A (zh) |
| BE (1) | BE485015A (zh) |
| CH (1) | CH267529A (zh) |
| DE (1) | DE819547C (zh) |
| FR (1) | FR972265A (zh) |
| GB (1) | GB655141A (zh) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE972432C (de) * | 1952-01-05 | 1959-07-23 | Hans-Joachim Dr-Ing Griese | Verfahren zum Empfangen und verstaerkten Wiederaussenden frequenzmodulierter Wellen mit Frequenzversatz |
| US2868973A (en) * | 1953-06-17 | 1959-01-13 | Garold K Jensen | Decade frequency generator |
| US3199047A (en) * | 1961-08-21 | 1965-08-03 | Le Roy T Cushman | Signal generator |
| US3480865A (en) * | 1965-09-27 | 1969-11-25 | Space General Corp | Phase locked crystal controlled voltage variable oscillator |
| US4206421A (en) * | 1976-09-17 | 1980-06-03 | Siemens Aktiengesellschaft | Arrangement for synchronizing a free-swinging oscillator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1450966A (en) * | 1919-09-30 | 1923-04-10 | American Telephone & Telegraph | Synchronizing system |
| US2206695A (en) * | 1937-07-10 | 1940-07-02 | Radio Patents Corp | Means for receiving high frequency signals |
| US2455393A (en) * | 1943-06-09 | 1948-12-07 | Sperry Corp | Modulated wave modifying apparatus |
| US2406125A (en) * | 1943-12-17 | 1946-08-20 | Hartford Nat Bank & Trust Co | Frequency stabilizing system |
| US2474278A (en) * | 1944-10-02 | 1949-06-28 | Richard H Ranger | Frequency modulated oscillator control |
| NL68909C (zh) * | 1945-09-21 | |||
| FR962280A (zh) * | 1946-05-31 | 1950-06-07 | ||
| US2552140A (en) * | 1946-09-19 | 1951-05-08 | Philco Corp | Automatic frequency-control system for frequency-modulation television systems |
-
0
- BE BE485015D patent/BE485015A/xx unknown
-
1948
- 1948-08-13 US US43985A patent/US2719231A/en not_active Expired - Lifetime
- 1948-09-23 GB GB24916/48A patent/GB655141A/en not_active Expired
- 1948-09-24 CH CH267529D patent/CH267529A/de unknown
- 1948-09-25 FR FR972265D patent/FR972265A/fr not_active Expired
- 1948-12-24 DE DEP26480A patent/DE819547C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR972265A (fr) | 1951-01-29 |
| GB655141A (en) | 1951-07-11 |
| US2719231A (en) | 1955-09-27 |
| CH267529A (de) | 1950-03-31 |
| DE819547C (de) | 1951-11-05 |