NL90578C - - Google Patents
Info
- Publication number
- NL90578C NL90578C NL90578DA NL90578C NL 90578 C NL90578 C NL 90578C NL 90578D A NL90578D A NL 90578DA NL 90578 C NL90578 C NL 90578C
- Authority
- NL
- Netherlands
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
- H03B9/00—Generation of oscillations using transit-time effects
- H03B9/01—Generation of oscillations using transit-time effects using discharge tubes
- H03B9/10—Generation of oscillations using transit-time effects using discharge tubes using a magnetron
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/54—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having only one cavity or other resonator, e.g. neutrode tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/30—Angle modulation by means of transit-time tube
- H03C3/32—Angle modulation by means of transit-time tube the tube being a magnetron
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US719704A US2528241A (en) | 1947-01-02 | 1947-01-02 | Frequency controllable magnetron |
| US746574A US2547659A (en) | 1947-05-07 | 1947-05-07 | Grid controlled magnetron apparatus for frequency controllable systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL90578C true NL90578C (pt) |
Family
ID=27110122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL90578D NL90578C (pt) | 1947-01-02 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2528241A (pt) |
| BE (2) | BE480381A (pt) |
| FR (2) | FR58588E (pt) |
| GB (2) | GB642931A (pt) |
| NL (1) | NL90578C (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2602156A (en) * | 1947-06-28 | 1952-07-01 | Rca Corp | Modulated microwave generator |
| US2747031A (en) * | 1950-05-10 | 1956-05-22 | Gen Electric | Magnetron amplifier |
| US2799828A (en) * | 1950-08-11 | 1957-07-16 | Gen Electric | Magnetron and systems therefor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2159478A (en) * | 1935-06-12 | 1939-05-23 | Telefunken Gmbh | Magnetron system for simultaneous transmission and reception |
| US2110448A (en) * | 1935-08-20 | 1938-03-08 | Rca Corp | Oscillator |
| FR816071A (fr) * | 1936-01-13 | 1937-07-29 | Telefunken Gmbh | Magnétron multiple |
| US2241976A (en) * | 1940-04-25 | 1941-05-13 | Gen Electric | High frequency apparatus |
-
0
- BE BE483613D patent/BE483613A/xx unknown
- FR FR964516D patent/FR964516A/fr not_active Expired
- NL NL90578D patent/NL90578C/xx active
- BE BE480381D patent/BE480381A/xx unknown
-
1947
- 1947-01-02 US US719704A patent/US2528241A/en not_active Expired - Lifetime
-
1948
- 1948-01-01 GB GB73/48A patent/GB642931A/en not_active Expired
- 1948-05-07 FR FR58588D patent/FR58588E/fr not_active Expired
- 1948-05-07 GB GB12635/48A patent/GB676742A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB642931A (en) | 1950-09-13 |
| BE483613A (pt) | |
| GB676742A (en) | 1952-07-30 |
| FR964516A (pt) | 1950-08-18 |
| US2528241A (en) | 1950-10-31 |
| BE480381A (pt) | |
| FR58588E (fr) | 1954-01-27 |