Invention Grant
US09287974B2 Method and apparatus for testing transmission lines normally propagating optical signals 有权
测试传输线正常传播光信号的方法和装置

  • Patent Title: Method and apparatus for testing transmission lines normally propagating optical signals
  • Patent Title (中): 测试传输线正常传播光信号的方法和装置
  • Application No.: US14468890
    Application Date: 2014-08-26
  • Publication No.: US09287974B2
    Publication Date: 2016-03-15
  • Inventor: Bernard RuchetNormand Cyr
  • Applicant: EXFO Inc.
  • Applicant Address: CA Quebec
  • Assignee: EXFO INC.
  • Current Assignee: EXFO INC.
  • Current Assignee Address: CA Quebec
  • Agent Helene Chotard
  • Main IPC: H04B10/08
  • IPC: H04B10/08 H04B10/079 H04B3/46 H04Q11/00
Method and apparatus for testing transmission lines normally propagating optical signals
Abstract:
A portable apparatus for measuring parameters of optical signals propagating concurrently in opposite directions in an optical transmission path between two elements, at least one of the elements being operative to transmit a first optical signal (S1) only if it continues to receive a second optical signal (S2) from the other of said elements, comprises first and second connector means for connecting the apparatus into the optical transmission path in series therewith, and propagating and measuring means connected between the first and second connector means for propagating at least the second optical signal (S2) towards the one of the elements, and measuring the parameters of the concurrently propagating optical signals (S1, S2). The measurement results may be displayed by a suitable display unit. Where one element transmits signals at two different wavelengths, the apparatus may separate parts of the corresponding optical signal portion according to wavelength and process them separately.
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