FR939311A - Perfectionnements aux oscillateurs à ondes ultra courtes - Google Patents
Perfectionnements aux oscillateurs à ondes ultra courtesInfo
- Publication number
- FR939311A FR939311A FR939311DA FR939311A FR 939311 A FR939311 A FR 939311A FR 939311D A FR939311D A FR 939311DA FR 939311 A FR939311 A FR 939311A
- Authority
- FR
- France
- Prior art keywords
- oscillator
- shortwave
- ultra
- ultra shortwave
- shortwave oscillator
- 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
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
- H03B5/1817—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator
- H03B5/1835—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a cavity resonator the active element in the amplifier being a vacuum tube
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/06—Tubes having only one resonator, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly velocity modulation, e.g. Lüdi-Klystron
- H01J25/08—Tubes having only one resonator, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly velocity modulation, e.g. Lüdi-Klystron with electron stream perpendicular to the axis of the resonator
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3987/46A GB649761A (en) | 1946-02-08 | 1946-02-08 | Improvements in electron discharge devices of the electron velocity modulation type |
Publications (1)
Publication Number | Publication Date |
---|---|
FR939311A true FR939311A (fr) | 1948-11-09 |
Family
ID=9768654
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR939311D Expired FR939311A (fr) | 1946-02-08 | 1946-08-29 | Perfectionnements aux oscillateurs à ondes ultra courtes |
FR57622D Expired FR57622E (fr) | 1946-02-08 | 1947-07-24 | Perfectionnements aux oscillateurs à ondes ultra-courtes |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR57622D Expired FR57622E (fr) | 1946-02-08 | 1947-07-24 | Perfectionnements aux oscillateurs à ondes ultra-courtes |
Country Status (6)
Country | Link |
---|---|
US (1) | US2608671A (xx) |
BE (1) | BE478604A (xx) |
ES (1) | ES178572A1 (xx) |
FR (2) | FR939311A (xx) |
GB (1) | GB649761A (xx) |
NL (1) | NL76852C (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2795764A (en) * | 1954-01-14 | 1957-06-11 | Westinghouse Electric Corp | Temperature compensated reference cavity |
US3601719A (en) * | 1969-10-09 | 1971-08-24 | Int Standard Electric Corp | Temperature-compensated waveguide resonator |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1884591A (en) * | 1929-04-01 | 1932-10-25 | Wired Radio Inc | Electric discharge tube |
GB422869A (en) * | 1932-11-12 | 1935-01-21 | Meaf Mach En Apparaten Fab Nv | Improvements in electric discharge devices |
GB537518A (en) * | 1939-12-22 | 1941-06-25 | Standard Telephones Cables Ltd | Improvements in or relating to electron discharge apparatus of the velocity modulated type |
US2424805A (en) * | 1942-11-13 | 1947-07-29 | Gen Electric | High-frequency magnetron |
US2413364A (en) * | 1943-06-12 | 1946-12-31 | Sylvania Electric Prod | Ultra high frequency oscillator |
-
1946
- 1946-02-08 GB GB3987/46A patent/GB649761A/en not_active Expired
- 1946-08-29 FR FR939311D patent/FR939311A/fr not_active Expired
-
1947
- 1947-06-19 US US755550A patent/US2608671A/en not_active Expired - Lifetime
- 1947-06-20 ES ES0178572A patent/ES178572A1/es not_active Expired
- 1947-07-24 FR FR57622D patent/FR57622E/fr not_active Expired
- 1947-11-15 NL NL136078A patent/NL76852C/xx active
- 1947-12-24 BE BE478604D patent/BE478604A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES178572A1 (es) | 1947-08-16 |
FR57622E (fr) | 1953-03-17 |
US2608671A (en) | 1952-08-26 |
BE478604A (xx) | 1948-06-24 |
NL76852C (xx) | 1955-01-15 |
GB649761A (en) | 1951-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR953486A (fr) | Perfectionnements aux antennes | |
FR943339A (fr) | Perfectionnements aux magnétrons | |
FR950830A (fr) | Perfectionnements aux évaporateurs | |
FR939311A (fr) | Perfectionnements aux oscillateurs à ondes ultra courtes | |
FR927940A (fr) | Pistolet à répétition | |
FR953203A (fr) | Récepteur à super-réaction | |
FR925922A (fr) | Monochromateur | |
FR949335A (fr) | Récepteur à superréaction | |
FR924171A (fr) | Perfectionnement aux serrures | |
FR929661A (fr) | Perfectionnements aux sacs à main | |
FR922471A (fr) | Perfectionnements aux crémones | |
FR935612A (fr) | Perfectionnements aux lettres-enveloppes | |
FR937924A (fr) | Systèmes diviseurs de fréquence | |
FR954134A (fr) | Tube à décharge | |
FR56684E (fr) | Perfectionnements aux évaporateurs | |
FR934943A (fr) | équerre-rapporteur | |
FR920274A (fr) | Transformateur à haute fréquence | |
FR920659A (fr) | Perfectionnements aux garde-manger | |
FR1003193A (fr) | Verrou | |
FR920721A (fr) | Pierre à aiguiser | |
FR924129A (fr) | Perfectionnements aux oscillateurs à plusieurs fréquences | |
FR945485A (fr) | Transformateurs à bande passante étroite | |
FR946676A (fr) | Démultiplicateur de fréquence à quartz | |
FR55077E (fr) | Alidades et règles à éclimètre perfectionnées | |
FR934792A (fr) | Alidades et règles à éclimètre perfectionnées |