JPH0421144B2 - - Google Patents

Info

Publication number
JPH0421144B2
JPH0421144B2 JP9588386A JP9588386A JPH0421144B2 JP H0421144 B2 JPH0421144 B2 JP H0421144B2 JP 9588386 A JP9588386 A JP 9588386A JP 9588386 A JP9588386 A JP 9588386A JP H0421144 B2 JPH0421144 B2 JP H0421144B2
Authority
JP
Japan
Prior art keywords
sound
signal
microphone array
sound source
microphone
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
Application number
JP9588386A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62254084A (ja
Inventor
Teru Hayashi
Katsumi Myaki
Yoshio Tanito
Keizo Kubodera
Teruo Igarashi
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP9588386A priority Critical patent/JPS62254084A/ja
Publication of JPS62254084A publication Critical patent/JPS62254084A/ja
Publication of JPH0421144B2 publication Critical patent/JPH0421144B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP9588386A 1986-04-26 1986-04-26 音源探査装置 Granted JPS62254084A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9588386A JPS62254084A (ja) 1986-04-26 1986-04-26 音源探査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9588386A JPS62254084A (ja) 1986-04-26 1986-04-26 音源探査装置

Publications (2)

Publication Number Publication Date
JPS62254084A JPS62254084A (ja) 1987-11-05
JPH0421144B2 true JPH0421144B2 (enrdf_load_stackoverflow) 1992-04-08

Family

ID=14149719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9588386A Granted JPS62254084A (ja) 1986-04-26 1986-04-26 音源探査装置

Country Status (1)

Country Link
JP (1) JPS62254084A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5686358B2 (ja) * 2008-03-07 2015-03-18 学校法人日本大学 音源距離計測装置及びそれを用いた音響情報分離装置

Also Published As

Publication number Publication date
JPS62254084A (ja) 1987-11-05

Similar Documents

Publication Publication Date Title
US4887892A (en) Method and method and apparatus for control of light intensity for image analysis
US8913247B2 (en) Device and method for interferometric vibration measurement of an object
US2968994A (en) Automatic focusing devices and systems
US4257687A (en) Eye examining instrument with photo-detecting system
KR100354046B1 (ko) 음향 거울을 이용한 실시간 음원 표시장치
WO2005089635A1 (fr) Aberrometre dote d'un systeme de mesure de l'acuite visuelle
JPS6345543A (ja) 透明材料要素の表面の不整及び吸蔵の試験装置
EP1395166A2 (en) Back projection visual field tester
CN113188765A (zh) 一种用于可见光探测器mtf与抗弥散测试的测试系统
JPS58166244A (ja) X線検査装置
US4317998A (en) Infra-red line-scanning target detectors
JP2955017B2 (ja) 同時および共焦点式の像形成装置
US7301617B2 (en) Surveying apparatus
FR2464558A1 (fr) Microscope electronique a correction de faisceau automatique
US4737029A (en) Photometer
GB2152697A (en) Improvements in or relating to scanning optical microscopes
JPH0321873B2 (enrdf_load_stackoverflow)
JPH0421144B2 (enrdf_load_stackoverflow)
GB1574622A (en) Method of and apparatus for adjusting the focussing condition of an image intensifierchain
JPH0421141B2 (enrdf_load_stackoverflow)
JPS61281925A (ja) 集音式音源探査装置
JPS62119480A (ja) 音源探査装置
JPH0460557B2 (enrdf_load_stackoverflow)
JP2769405B2 (ja) 液晶表示パネルの二次元配光分布測定装置
US6768553B2 (en) Continuous-zoom imaging device of interferometer

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees