BE449134A - - Google Patents
Info
- Publication number
- BE449134A BE449134A BE449134DA BE449134A BE 449134 A BE449134 A BE 449134A BE 449134D A BE449134D A BE 449134DA BE 449134 A BE449134 A BE 449134A
- Authority
- BE
- Belgium
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/16—Safety razors with one or more blades arranged transversely to the handle involving blades with only one cutting edge
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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
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/42—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field
- H01J25/44—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE230949X | 1949-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449134A true BE449134A (en) |
Family
ID=42034557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449134D BE449134A (en) | 1949-09-23 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE449134A (en) |
| CH (1) | CH230949A (en) |
| DE (1) | DE832025C (en) |
| FR (1) | FR890977A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2752523A (en) * | 1951-05-15 | 1956-06-26 | Int Standard Electric Corp | Electron discharge apparatus |
-
0
- BE BE449134D patent/BE449134A/xx unknown
-
1943
- 1943-02-08 CH CH230949D patent/CH230949A/en unknown
- 1943-02-15 FR FR890977D patent/FR890977A/en not_active Expired
-
1949
- 1949-09-23 DE DEP55807A patent/DE832025C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH230949A (en) | 1944-02-15 |
| FR890977A (en) | 1944-02-23 |
| DE832025C (en) | 1952-02-21 |