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
Application number
Priority date (The priority date 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 date listed.)
Publication of BE449134A publication Critical patent/BE449134A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00Razors 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
    • B26B21/08Razors 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
    • B26B21/14Safety razors with one or more blades arranged transversely to the handle
    • B26B21/16Safety razors with one or more blades arranged transversely to the handle involving blades with only one cutting edge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/36Tubes 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/42Tubes 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
    • H01J25/44Tubes 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microwave Tubes (AREA)
BE449134D 1949-09-23 BE449134A (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2752523A (en) * 1951-05-15 1956-06-26 Int Standard Electric Corp Electron discharge apparatus

Also Published As

Publication number Publication date
CH230949A (en) 1944-02-15
DE832025C (en) 1952-02-21
FR890977A (en) 1944-02-23

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