JPH02651U - - Google Patents

Info

Publication number
JPH02651U
JPH02651U JP7859288U JP7859288U JPH02651U JP H02651 U JPH02651 U JP H02651U JP 7859288 U JP7859288 U JP 7859288U JP 7859288 U JP7859288 U JP 7859288U JP H02651 U JPH02651 U JP H02651U
Authority
JP
Japan
Prior art keywords
light
optical pulse
pulse tester
logarithmically
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7859288U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7859288U priority Critical patent/JPH02651U/ja
Publication of JPH02651U publication Critical patent/JPH02651U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の実施例を示すブロツク図、
第２図は損失―距離特性図、第３図はこの考案に
よる処理の表示例を示す図、第４図は従来の光パ
ルス試験器を示すブロツク図、第５図は損失―距
離特性図である。 Figure 1 is a block diagram showing an embodiment of this invention.
Figure 2 is a loss-distance characteristic diagram, Figure 3 is a diagram showing a display example of processing according to this invention, Figure 4 is a block diagram showing a conventional optical pulse tester, and Figure 5 is a loss-distance characteristic diagram. be.

Claims (1)

【実用新案登録請求の範囲】 光パルスを光導波路に対し入射し、その後方散
乱光を受光する光パルス試験器において、 受光信号のレベルを対数変換する手段と、 その対数変換された信号を微分演算する手段と
、 その微分演算出力を表示する表示器とを具備す
る光パルス試験器。[Scope of Claim for Utility Model Registration] An optical pulse tester that injects a light pulse into an optical waveguide and receives its backscattered light, which provides means for logarithmically converting the level of the received light signal, and for differentiating the logarithmically converted signal. An optical pulse tester comprising a calculation means and a display for displaying the differential calculation output.
JP7859288U 1988-06-13 1988-06-13 Pending JPH02651U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7859288U JPH02651U (en) 1988-06-13 1988-06-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7859288U JPH02651U (en) 1988-06-13 1988-06-13

Publications (1)

Publication Number Publication Date
JPH02651U true JPH02651U (en) 1990-01-05

Family

ID=31303508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7859288U Pending JPH02651U (en) 1988-06-13 1988-06-13

Country Status (1)

Country Link
JP (1) JPH02651U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000171484A (en) * 1998-12-04 2000-06-23 Anritsu Corp Waveform-displaying device and storage medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773633A (en) * 1980-10-27 1982-05-08 Nippon Telegr & Teleph Corp <Ntt> Light pulse testing device
JPS6330739A (en) * 1986-07-24 1988-02-09 Sumitomo Electric Ind Ltd Method for measuring back scattering of optical fiber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5773633A (en) * 1980-10-27 1982-05-08 Nippon Telegr & Teleph Corp <Ntt> Light pulse testing device
JPS6330739A (en) * 1986-07-24 1988-02-09 Sumitomo Electric Ind Ltd Method for measuring back scattering of optical fiber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000171484A (en) * 1998-12-04 2000-06-23 Anritsu Corp Waveform-displaying device and storage medium

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