JPS5235681A - Method of measuring equivalent noise levels - Google Patents

Method of measuring equivalent noise levels

Info

Publication number
JPS5235681A
JPS5235681A JP11181675A JP11181675A JPS5235681A JP S5235681 A JPS5235681 A JP S5235681A JP 11181675 A JP11181675 A JP 11181675A JP 11181675 A JP11181675 A JP 11181675A JP S5235681 A JPS5235681 A JP S5235681A
Authority
JP
Japan
Prior art keywords
noise levels
equivalent noise
measuring equivalent
chart
measuring
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
JP11181675A
Other languages
Japanese (ja)
Inventor
Itsuo Ono
Noriaki Hayashi
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 JP11181675A priority Critical patent/JPS5235681A/en
Publication of JPS5235681A publication Critical patent/JPS5235681A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: To compose a numerical chart for antilogarithms by the use of a code converter and measure equivalent noise levels by the use of the chart, thereby considerbly reducing processing time and enabling the sufficient assurance of dynamic range.
COPYRIGHT: (C)1977,JPO&Japio
JP11181675A 1975-09-16 1975-09-16 Method of measuring equivalent noise levels Pending JPS5235681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11181675A JPS5235681A (en) 1975-09-16 1975-09-16 Method of measuring equivalent noise levels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11181675A JPS5235681A (en) 1975-09-16 1975-09-16 Method of measuring equivalent noise levels

Publications (1)

Publication Number Publication Date
JPS5235681A true JPS5235681A (en) 1977-03-18

Family

ID=14570867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11181675A Pending JPS5235681A (en) 1975-09-16 1975-09-16 Method of measuring equivalent noise levels

Country Status (1)

Country Link
JP (1) JPS5235681A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941387A (en) * 1982-08-30 1984-03-07 Osaka Gas Co Ltd Manufacture of quinoline-insoluble free-pitch
JPS59223316A (en) * 1983-05-31 1984-12-15 Agency Of Ind Science & Technol Preparation of carbon yarn having high strength and high elasticity

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941387A (en) * 1982-08-30 1984-03-07 Osaka Gas Co Ltd Manufacture of quinoline-insoluble free-pitch
JPH0150354B2 (en) * 1982-08-30 1989-10-30 Osaka Gas Co Ltd
JPS59223316A (en) * 1983-05-31 1984-12-15 Agency Of Ind Science & Technol Preparation of carbon yarn having high strength and high elasticity
JPS6233330B2 (en) * 1983-05-31 1987-07-20 Kogyo Gijutsu Incho

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