JP2505964Y2 - 航空機騒音識別装置 - Google Patents

航空機騒音識別装置

Info

Publication number
JP2505964Y2
JP2505964Y2 JP1988125952U JP12595288U JP2505964Y2 JP 2505964 Y2 JP2505964 Y2 JP 2505964Y2 JP 1988125952 U JP1988125952 U JP 1988125952U JP 12595288 U JP12595288 U JP 12595288U JP 2505964 Y2 JP2505964 Y2 JP 2505964Y2
Authority
JP
Japan
Prior art keywords
microphone
cross
aircraft noise
noise
aircraft
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
JP1988125952U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0246500U (en, 2012
Inventor
範章 林
教治 吉川
一郎 山田
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.)
Rion Co Ltd
Original Assignee
Rion 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 Rion Co Ltd filed Critical Rion Co Ltd
Priority to JP1988125952U priority Critical patent/JP2505964Y2/ja
Publication of JPH0246500U publication Critical patent/JPH0246500U/ja
Application granted granted Critical
Publication of JP2505964Y2 publication Critical patent/JP2505964Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP1988125952U 1988-09-27 1988-09-27 航空機騒音識別装置 Expired - Lifetime JP2505964Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988125952U JP2505964Y2 (ja) 1988-09-27 1988-09-27 航空機騒音識別装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988125952U JP2505964Y2 (ja) 1988-09-27 1988-09-27 航空機騒音識別装置

Publications (2)

Publication Number Publication Date
JPH0246500U JPH0246500U (en, 2012) 1990-03-29
JP2505964Y2 true JP2505964Y2 (ja) 1996-08-07

Family

ID=31377017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988125952U Expired - Lifetime JP2505964Y2 (ja) 1988-09-27 1988-09-27 航空機騒音識別装置

Country Status (1)

Country Link
JP (1) JP2505964Y2 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2722968C1 (ru) * 2019-08-22 2020-06-05 Акционерное общество "Всероссийский научно-исследовательский институт "Градиент" Устройство обнаружения акустических активных воздушных объектов

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816993U (ja) * 1981-07-23 1983-02-02 日本ビクター株式会社 狭角度指向性マイクロホン装置
JPS595799A (ja) * 1982-07-01 1984-01-12 Oki Electric Ind Co Ltd 耐振動マイクロホン
JPS61128895U (en, 2012) * 1985-01-30 1986-08-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2722968C1 (ru) * 2019-08-22 2020-06-05 Акционерное общество "Всероссийский научно-исследовательский институт "Градиент" Устройство обнаружения акустических активных воздушных объектов

Also Published As

Publication number Publication date
JPH0246500U (en, 2012) 1990-03-29

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