JPH0181541U - - Google Patents

Info

Publication number
JPH0181541U
JPH0181541U JP1987176569U JP17656987U JPH0181541U JP H0181541 U JPH0181541 U JP H0181541U JP 1987176569 U JP1987176569 U JP 1987176569U JP 17656987 U JP17656987 U JP 17656987U JP H0181541 U JPH0181541 U JP H0181541U
Authority
JP
Japan
Prior art keywords
section
sound intensity
storage section
measurement microphones
converting section
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.)
Granted
Application number
JP1987176569U
Other languages
English (en)
Other versions
JPH0454420Y2 (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 JP1987176569U priority Critical patent/JPH0454420Y2/ja
Publication of JPH0181541U publication Critical patent/JPH0181541U/ja
Application granted granted Critical
Publication of JPH0454420Y2 publication Critical patent/JPH0454420Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の実施例の回路構成を示すブ
ロツク図、第2図は計測に用いるペアマイク間の
校正系を示すブロツク図、第3図は従来の音響強
度計測装置を示すブロツク図である。 12a,12b:マイクロホン、14:FFT
演算部、15:演算部、16:表示部、17:校
正値演算部、23:補正演算部、24:RAM、
32:発生音圧制御信号発生部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 音源に対して前後に配置された2つの計測マイ
    クロホンと、校正器により計測されたこの2つの
    計測マイクロホンの特性差が記憶される書き込み
    読み出し可能型記憶部と、上記2つの計測マイク
    ロホンの出力をフーリエ変換する変換部と、この
    変換部の出力及び上記記憶部の記憶内容に応じて
    音響強度を補正演算する補正演算部とを有すると
    ころの音響強度計測装置。
JP1987176569U 1987-11-19 1987-11-19 Expired JPH0454420Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987176569U JPH0454420Y2 (ja) 1987-11-19 1987-11-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987176569U JPH0454420Y2 (ja) 1987-11-19 1987-11-19

Publications (2)

Publication Number Publication Date
JPH0181541U true JPH0181541U (ja) 1989-05-31
JPH0454420Y2 JPH0454420Y2 (ja) 1992-12-21

Family

ID=31468298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987176569U Expired JPH0454420Y2 (ja) 1987-11-19 1987-11-19

Country Status (1)

Country Link
JP (1) JPH0454420Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014240761A (ja) * 2013-06-11 2014-12-25 株式会社小野測器 音響校正器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6461064B2 (ja) * 2016-09-28 2019-01-30 本田技研工業株式会社 音響特性校正方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014240761A (ja) * 2013-06-11 2014-12-25 株式会社小野測器 音響校正器

Also Published As

Publication number Publication date
JPH0454420Y2 (ja) 1992-12-21

Similar Documents

Publication Publication Date Title
JPH0181541U (ja)
JPS61108934U (ja)
JPH02131638U (ja)
JPH0258409U (ja)
JPH01126750U (ja)
JPH025010U (ja)
JPH01102783U (ja)
JPS61125709U (ja)
JPS63171022U (ja)
JPH02122376U (ja)
JPH02131410U (ja)
JPH02109210U (ja)
JPS63122207U (ja)
JPH0451615U (ja)
JPH0233351U (ja)
JPS6443907U (ja)
JPS61157818U (ja)
JPH036400U (ja)
JPS62165522U (ja)
JPH0225844U (ja)
JPS63115733U (ja)
JPH032209U (ja)
JPS5927208U (ja) 締固め度判定装置
JPH0393903U (ja)
JPH0436438U (ja)