JPS5922500U - 音響レンズ - Google Patents

音響レンズ

Info

Publication number
JPS5922500U
JPS5922500U JP3150583U JP3150583U JPS5922500U JP S5922500 U JPS5922500 U JP S5922500U JP 3150583 U JP3150583 U JP 3150583U JP 3150583 U JP3150583 U JP 3150583U JP S5922500 U JPS5922500 U JP S5922500U
Authority
JP
Japan
Prior art keywords
acoustic lens
wound
perforated plate
semi
strip
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
JP3150583U
Other languages
English (en)
Japanese (ja)
Other versions
JPH028320Y2 (enrdf_load_stackoverflow
Inventor
黒川　輝夫
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.)
Taiheiyo Cement Corp
Original Assignee
Taiheiyo Cement Corp
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 Taiheiyo Cement Corp filed Critical Taiheiyo Cement Corp
Priority to JP3150583U priority Critical patent/JPS5922500U/ja
Publication of JPS5922500U publication Critical patent/JPS5922500U/ja
Application granted granted Critical
Publication of JPH028320Y2 publication Critical patent/JPH028320Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP3150583U 1983-03-07 1983-03-07 音響レンズ Granted JPS5922500U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3150583U JPS5922500U (ja) 1983-03-07 1983-03-07 音響レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3150583U JPS5922500U (ja) 1983-03-07 1983-03-07 音響レンズ

Publications (2)

Publication Number Publication Date
JPS5922500U true JPS5922500U (ja) 1984-02-10
JPH028320Y2 JPH028320Y2 (enrdf_load_stackoverflow) 1990-02-27

Family

ID=30162347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3150583U Granted JPS5922500U (ja) 1983-03-07 1983-03-07 音響レンズ

Country Status (1)

Country Link
JP (1) JPS5922500U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH028320Y2 (enrdf_load_stackoverflow) 1990-02-27

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