JPH01137696U - - Google Patents

Info

Publication number
JPH01137696U
JPH01137696U JP3496888U JP3496888U JPH01137696U JP H01137696 U JPH01137696 U JP H01137696U JP 3496888 U JP3496888 U JP 3496888U JP 3496888 U JP3496888 U JP 3496888U JP H01137696 U JPH01137696 U JP H01137696U
Authority
JP
Japan
Prior art keywords
speaker
microphone
view
installed inside
container
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
JP3496888U
Other languages
English (en)
Japanese (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 JP3496888U priority Critical patent/JPH01137696U/ja
Publication of JPH01137696U publication Critical patent/JPH01137696U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Audible-Bandwidth Transducers (AREA)
JP3496888U 1988-03-15 1988-03-15 Pending JPH01137696U (US07922777-20110412-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3496888U JPH01137696U (US07922777-20110412-C00004.png) 1988-03-15 1988-03-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3496888U JPH01137696U (US07922777-20110412-C00004.png) 1988-03-15 1988-03-15

Publications (1)

Publication Number Publication Date
JPH01137696U true JPH01137696U (US07922777-20110412-C00004.png) 1989-09-20

Family

ID=31261632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3496888U Pending JPH01137696U (US07922777-20110412-C00004.png) 1988-03-15 1988-03-15

Country Status (1)

Country Link
JP (1) JPH01137696U (US07922777-20110412-C00004.png)

Similar Documents

Publication Publication Date Title
US6061457A (en) Waterproof microphone and speaker
JPS6164800U (US07922777-20110412-C00004.png)
US2844212A (en) Underwater speaking device
JPH01137696U (US07922777-20110412-C00004.png)
JPH0819079A (ja) ダイバー用水中発声器
JPH055753Y2 (US07922777-20110412-C00004.png)
JPH0344359U (US07922777-20110412-C00004.png)
JPS6331100Y2 (US07922777-20110412-C00004.png)
JPH06156373A (ja) ダイバー用水中発声器
JPH0324734U (US07922777-20110412-C00004.png)
JPH0745272Y2 (ja) 発声玩具
JPS6349999Y2 (US07922777-20110412-C00004.png)
JPS62196495U (US07922777-20110412-C00004.png)
JPH0337695U (US07922777-20110412-C00004.png)
JPS6331693U (US07922777-20110412-C00004.png)
JPS6251892U (US07922777-20110412-C00004.png)
JPS625787U (US07922777-20110412-C00004.png)
JPH0359739U (US07922777-20110412-C00004.png)
CN201174703Y (zh) 一种水下通话装置
JPH02138944U (US07922777-20110412-C00004.png)
JPS6316784U (US07922777-20110412-C00004.png)
JPS62178294U (US07922777-20110412-C00004.png)
JPS6381436U (US07922777-20110412-C00004.png)
JPS62178295U (US07922777-20110412-C00004.png)
JPH0268842U (US07922777-20110412-C00004.png)