JPH0635596Y2 - 指向性受波器 - Google Patents

指向性受波器

Info

Publication number
JPH0635596Y2
JPH0635596Y2 JP7889088U JP7889088U JPH0635596Y2 JP H0635596 Y2 JPH0635596 Y2 JP H0635596Y2 JP 7889088 U JP7889088 U JP 7889088U JP 7889088 U JP7889088 U JP 7889088U JP H0635596 Y2 JPH0635596 Y2 JP H0635596Y2
Authority
JP
Japan
Prior art keywords
reflecting mirror
output light
focal point
attached
directional receiver
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.)
Expired - Lifetime
Application number
JP7889088U
Other languages
English (en)
Japanese (ja)
Other versions
JPH021993U (cs
Inventor
博 竹田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Mitsui Engineering and Shipbuilding Co Ltd
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 by Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd
Priority to JP7889088U priority Critical patent/JPH0635596Y2/ja
Publication of JPH021993U publication Critical patent/JPH021993U/ja
Application granted granted Critical
Publication of JPH0635596Y2 publication Critical patent/JPH0635596Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP7889088U 1988-06-16 1988-06-16 指向性受波器 Expired - Lifetime JPH0635596Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7889088U JPH0635596Y2 (ja) 1988-06-16 1988-06-16 指向性受波器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7889088U JPH0635596Y2 (ja) 1988-06-16 1988-06-16 指向性受波器

Publications (2)

Publication Number Publication Date
JPH021993U JPH021993U (cs) 1990-01-09
JPH0635596Y2 true JPH0635596Y2 (ja) 1994-09-14

Family

ID=31303783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7889088U Expired - Lifetime JPH0635596Y2 (ja) 1988-06-16 1988-06-16 指向性受波器

Country Status (1)

Country Link
JP (1) JPH0635596Y2 (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4017465B2 (ja) * 2002-07-15 2007-12-05 財団法人鉄道総合技術研究所 集音装置および音波分析システム
JP4298635B2 (ja) * 2004-11-26 2009-07-22 財団法人鉄道総合技術研究所 軸箱音測定による鉄道車両用車軸軸受監視方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5233963B2 (ja) 2009-11-11 2013-07-10 三菱電機株式会社 樹脂の識別装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5233963B2 (ja) 2009-11-11 2013-07-10 三菱電機株式会社 樹脂の識別装置

Also Published As

Publication number Publication date
JPH021993U (cs) 1990-01-09

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