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US3480809A Tuning fork resonator with reed-mode damping and reed signal cancellation 失效
调谐振铃器具有衰减衰减和信号消除

  • Patent Title: Tuning fork resonator with reed-mode damping and reed signal cancellation
  • Patent Title (中): 调谐振铃器具有衰减衰减和信号消除
  • Application No.: US3480809D
    Application Date: 1968-07-09
  • Publication No.: US3480809A
    Publication Date: 1969-11-25
  • Inventor: GRIB BORIS F
  • Applicant: PHILAMON INC
  • Assignee: Philamon Inc
  • Current Assignee: Philamon Inc
  • Priority: US74344568 1968-07-09; US87936169 1969-11-24
  • Main IPC: G04C3/10
  • IPC: G04C3/10 ;  H02K33/10 ;  H03H9/48 ;  H02K35/02
Tuning fork resonator with reed-mode damping and reed signal cancellation
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