JPS631359Y2 - - Google Patents

Info

Publication number
JPS631359Y2
JPS631359Y2 JP7357980U JP7357980U JPS631359Y2 JP S631359 Y2 JPS631359 Y2 JP S631359Y2 JP 7357980 U JP7357980 U JP 7357980U JP 7357980 U JP7357980 U JP 7357980U JP S631359 Y2 JPS631359 Y2 JP S631359Y2
Authority
JP
Japan
Prior art keywords
acoustic
acoustic lens
speaker unit
small holes
pattern
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
JP7357980U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56175900U (zh
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 JP7357980U priority Critical patent/JPS631359Y2/ja
Publication of JPS56175900U publication Critical patent/JPS56175900U/ja
Application granted granted Critical
Publication of JPS631359Y2 publication Critical patent/JPS631359Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP7357980U 1980-05-27 1980-05-27 Expired JPS631359Y2 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7357980U JPS631359Y2 (zh) 1980-05-27 1980-05-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7357980U JPS631359Y2 (zh) 1980-05-27 1980-05-27

Publications (2)

Publication Number Publication Date
JPS56175900U JPS56175900U (zh) 1981-12-25
JPS631359Y2 true JPS631359Y2 (zh) 1988-01-13

Family

ID=29436388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7357980U Expired JPS631359Y2 (zh) 1980-05-27 1980-05-27

Country Status (1)

Country Link
JP (1) JPS631359Y2 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101877809B (zh) * 2002-05-02 2013-06-12 哈曼国际工业有限公司 电动扬声器及在其上通风的方法

Also Published As

Publication number Publication date
JPS56175900U (zh) 1981-12-25

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