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Invention Grant
US3323013A Systems and ballast apparatus for operating fluorescent lamps at preselected levels of illumination 失效
用于以预选的照明水平操作荧光灯的系统和镇流器

  • Patent Title: Systems and ballast apparatus for operating fluorescent lamps at preselected levels of illumination
  • Patent Title (中): 用于以预选的照明水平操作荧光灯的系统和镇流器
  • Application No.: US41474164
    Application Date: 1964-11-30
  • Publication No.: US3323013A
    Publication Date: 1967-05-30
  • Inventor: LORD HAROLD W
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US41474164 1964-11-30
  • Main IPC: H05B41/40
  • IPC: H05B41/40
Systems and ballast apparatus for operating fluorescent lamps at preselected levels of illumination
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