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US3225141A Sound analyzing system 失效
声音分析系统

  • Patent Title: Sound analyzing system
  • Patent Title (中): 声音分析系统
  • Application No.: US20681862
    Application Date: 1962-07-02
  • Publication No.: US3225141A
    Publication Date: 1965-12-21
  • Inventor: DERSCH WILLIAM C
  • Applicant: IBM
  • Assignee: Ibm
  • Current Assignee: Ibm
  • Priority: US20681862 1962-07-02
  • Main IPC: G10L15/02
  • IPC: G10L15/02
Sound analyzing system
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