Invention Grant
US2642488A Schmidt television projector having meniscus to correct for antihalation lens 失效
施密特电视投影仪具有弯液面以校正防晕透镜

  • Patent Title: Schmidt television projector having meniscus to correct for antihalation lens
  • Patent Title (中): 施密特电视投影仪具有弯液面以校正防晕透镜
  • Application No.: US6887849
    Application Date: 1949-01-03
  • Publication No.: US2642488A
    Publication Date: 1953-06-16
  • Inventor: EPSTEIN DAVID W
  • Applicant: RCA CORP
  • Assignee: RCA Corp
  • Current Assignee: RCA Corp
  • Priority: US6887849 1949-01-03
  • Main IPC: G02B17/08
  • IPC: G02B17/08 H04N5/74
Schmidt television projector having meniscus to correct for antihalation lens
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