JPS6244349Y2 - - Google Patents

Info

Publication number
JPS6244349Y2
JPS6244349Y2 JP1979067678U JP6767879U JPS6244349Y2 JP S6244349 Y2 JPS6244349 Y2 JP S6244349Y2 JP 1979067678 U JP1979067678 U JP 1979067678U JP 6767879 U JP6767879 U JP 6767879U JP S6244349 Y2 JPS6244349 Y2 JP S6244349Y2
Authority
JP
Japan
Prior art keywords
noise
circuit
eff
square
supplied
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
JP1979067678U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55167130U (OSRAM
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 JP1979067678U priority Critical patent/JPS6244349Y2/ja
Publication of JPS55167130U publication Critical patent/JPS55167130U/ja
Application granted granted Critical
Publication of JPS6244349Y2 publication Critical patent/JPS6244349Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP1979067678U 1979-05-19 1979-05-19 Expired JPS6244349Y2 (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1979067678U JPS6244349Y2 (OSRAM) 1979-05-19 1979-05-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979067678U JPS6244349Y2 (OSRAM) 1979-05-19 1979-05-19

Publications (2)

Publication Number Publication Date
JPS55167130U JPS55167130U (OSRAM) 1980-12-01
JPS6244349Y2 true JPS6244349Y2 (OSRAM) 1987-11-21

Family

ID=29301585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979067678U Expired JPS6244349Y2 (OSRAM) 1979-05-19 1979-05-19

Country Status (1)

Country Link
JP (1) JPS6244349Y2 (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467677A (en) * 1977-11-09 1979-05-31 Nippon Electric Co Vertical inserting device of electronic parts

Also Published As

Publication number Publication date
JPS55167130U (OSRAM) 1980-12-01

Similar Documents

Publication Publication Date Title
Schroeder New method of measuring reverberation time
Lundeby et al. Uncertainties of measurements in room acoustics
Garg et al. An averaging method for accurately calibrating smartphone microphones for environmental noise measurement
KR950002442B1 (ko) 오디오 신호처리 시스템을 검사하기 위한 장치
CN106855540B (zh) 一种变电站主噪声设备隔声罩隔声量测试方法及系统
AU2004205095B2 (en) Voice matching system for audio transducers
JPS6244349Y2 (OSRAM)
EP3863308A1 (en) Volume adjustment device and volume adjustment method
JP2001317993A (ja) 室間音圧レベル差の測定方法及びその装置
RU59244U1 (ru) Дозиметр шума
CN1844940B (zh) 一种测试adsl线路差模噪声的装置及其方法
JPS6110182Y2 (OSRAM)
JP4031587B2 (ja) 音圧レベルの測定方法及びその装置
JPS6153650B2 (OSRAM)
JPS6216364B2 (OSRAM)
JPS63235826A (ja) 残響測定法
JPH0135288B2 (OSRAM)
JP3923188B2 (ja) 室間音圧レベル差の測定方法及びその装置
JPH0135289B2 (OSRAM)
JPH0228811B2 (ja) Zankyotokuseisokuteisochi
JP2000258240A (ja) 床衝撃音レベルの測定方法及びその装置
CHARI MEASUREMENT OF LOW-LEVEL ACOUSTIC SIGNALS IN A 6 cc COUPLER
JPS63252263A (ja) 信号測定方法
JPS6157566B2 (OSRAM)
JPS6341010B2 (OSRAM)