Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
  • H01P5/00—Coupling devices of the waveguide type
  • H01P5/04—Coupling devices of the waveguide type with variable factor of coupling
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03C—MODULATION
  • H03C7/00—Modulating electromagnetic waves
  • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
  • H05B41/14—Circuit arrangements
  • H05B41/16—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies
  • H05B41/20—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having no starting switch
  • H05B41/23—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
  • H05B41/232—Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps

Landscapes

• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Circuit Arrangements For Discharge Lamps (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19754598

Family Applications (1)

Country Status (7)

Families Citing this family (2)

• 1963
  • 1963-04-05 NL NL291218A patent/NL121718C/nl active
• 1964
  • 1964-04-01 GB GB13643/64A patent/GB1011991A/en not_active Expired
  • 1964-04-02 DK DK164264AA patent/DK107046C/en active
  • 1964-04-02 SE SE408964A patent/SE218218C1/sv unknown
  • 1964-04-02 CH CH417464A patent/CH406426A/en unknown
  • 1964-04-02 AT AT286564A patent/AT239920B/en active
  • 1964-04-03 ES ES0298259A patent/ES298259A1/en not_active Expired

Also Published As

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