FR841648A - Changeurs de fréquences - Google Patents
Changeurs de fréquencesInfo
- Publication number
- FR841648A FR841648A FR841648DA FR841648A FR 841648 A FR841648 A FR 841648A FR 841648D A FR841648D A FR 841648DA FR 841648 A FR841648 A FR 841648A
- Authority
- FR
- France
- Prior art keywords
- frequency changers
- changers
- frequency
- 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
- 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
- H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
- H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
- H03B19/08—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device
- H03B19/10—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a discharge device using multiplication only
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US157499A US2162806A (en) | 1937-08-05 | 1937-08-05 | Frequency changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR841648A true FR841648A (fr) | 1939-05-24 |
Family
ID=22563999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR841648D Expired FR841648A (fr) | 1937-08-05 | 1938-08-02 | Changeurs de fréquences |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2162806A (fr) |
| FR (1) | FR841648A (fr) |
| GB (1) | GB501114A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2536794A (en) * | 1943-03-16 | 1951-01-02 | Gen Electric | Frequency multiplier |
| US2425165A (en) * | 1943-05-15 | 1947-08-05 | Rca Corp | Stabilized harmonic oscillator |
| US2505182A (en) * | 1945-04-12 | 1950-04-25 | George L Haller | Control apparatus |
| US2578613A (en) * | 1947-01-24 | 1951-12-11 | Rca Corp | Second and third harmonic generator |
| US2710345A (en) * | 1951-12-21 | 1955-06-07 | Stephens Robert Lee | Radio link sound pickup |
| US2913670A (en) * | 1957-12-30 | 1959-11-17 | Edwin F Laine | Wide band regenerative frequency divider and multiplier |
| DE1086300B (de) * | 1958-12-17 | 1960-08-04 | Siemens Ag | Schaltungsanordnung zur Frequenzteilung und -vervielfachung |
| FR2554994B1 (fr) * | 1983-11-15 | 1989-05-26 | Thomson Csf | Dispositif de generation d'une frequence fractionnaire d'une frequence de reference |
-
1937
- 1937-08-05 US US157499A patent/US2162806A/en not_active Expired - Lifetime
-
1938
- 1938-07-01 GB GB19574/38A patent/GB501114A/en not_active Expired
- 1938-08-02 FR FR841648D patent/FR841648A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB501114A (en) | 1939-02-21 |
| US2162806A (en) | 1939-06-20 |
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