BE441669A - - Google Patents
Info
- Publication number
- BE441669A BE441669A BE441669DA BE441669A BE 441669 A BE441669 A BE 441669A BE 441669D A BE441669D A BE 441669DA BE 441669 A BE441669 A BE 441669A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H01J25/56—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 with interdigital arrangements of anodes, e.g. turbator tube
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DET51338D DE758546C (de) | 1938-11-20 | 1938-11-20 | Magnetfeldroehre mit vier oder mehr in zwei Gruppen arbeitenden Anodensegmenten |
| DE260939X | 1939-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441669A true BE441669A (de) | 1941-07-31 |
Family
ID=25762322
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439318D BE439318A (de) | 1938-11-20 | 1940-09-18 | |
| BE441669D BE441669A (de) | 1938-11-20 | 1941-06-09 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439318D BE439318A (de) | 1938-11-20 | 1940-09-18 |
Country Status (4)
| Country | Link |
|---|---|
| BE (2) | BE439318A (de) |
| CH (1) | CH216807A (de) |
| DE (2) | DE758546C (de) |
| FR (1) | FR867914A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2417789A (en) * | 1941-12-01 | 1947-03-18 | Raytheon Mfg Co | Magnetron anode structure |
| DE954343C (de) * | 1942-10-16 | 1956-12-13 | Elektronik Ges Mit Beschraenkt | Magnetfeldroehre zur Erzeugung ultrakurzer Schwingungen |
| US2463524A (en) * | 1945-03-10 | 1949-03-08 | Raytheon Mfg Co | Electron discharge device |
| FR999345A (de) * | 1946-11-20 | 1952-01-29 | ||
| US2432466A (en) * | 1946-11-29 | 1947-12-09 | Sylvania Electric Prod | Interdigital magnetron |
| NL77456C (de) * | 1948-12-17 | |||
| DE1015497B (de) * | 1953-06-05 | 1957-09-12 | Standard Coil Prod Co Inc | Ultrahochfrequenzoszillator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL40197C (de) * | 1932-04-05 | |||
| GB451149A (en) * | 1934-07-05 | 1936-07-30 | Telefunken Gmbh | Improvements in or relating to magnetron tubes and arrangements incorporating the same |
| US2054126A (en) * | 1934-07-05 | 1936-09-15 | Telefunken Gmbh | Magnetically controlled electron discharge device |
| GB445084A (en) * | 1934-08-21 | 1936-04-02 | Telefunken Gmbh | Improvements in or relating to electron discharge devices |
| NL45040C (de) * | 1935-02-28 | |||
| US2144222A (en) * | 1935-08-15 | 1939-01-17 | Telefunken Gmbh | Electron discharge device |
| US2115521A (en) * | 1936-04-30 | 1938-04-26 | Telefunken Gmbh | Magnetron |
-
1938
- 1938-11-20 DE DET51338D patent/DE758546C/de not_active Expired
-
1939
- 1939-09-23 DE DET5311D patent/DE910811C/de not_active Expired
-
1940
- 1940-09-11 CH CH216807D patent/CH216807A/de unknown
- 1940-09-18 BE BE439318D patent/BE439318A/xx unknown
- 1940-12-04 FR FR867914D patent/FR867914A/fr not_active Expired
-
1941
- 1941-06-09 BE BE441669D patent/BE441669A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE758546C (de) | 1953-03-23 |
| CH216807A (de) | 1941-09-15 |
| BE439318A (de) | 1940-10-31 |
| FR867914A (fr) | 1941-12-05 |
| DE910811C (de) | 1954-05-13 |