JPS61109299U - - Google Patents

Info

Publication number
JPS61109299U
JPS61109299U JP19414784U JP19414784U JPS61109299U JP S61109299 U JPS61109299 U JP S61109299U JP 19414784 U JP19414784 U JP 19414784U JP 19414784 U JP19414784 U JP 19414784U JP S61109299 U JPS61109299 U JP S61109299U
Authority
JP
Japan
Prior art keywords
section
horn
utility
model registration
electric megaphone
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
JP19414784U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0349517Y2 (US20100154141A1-20100624-C00001.png
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 JP1984194147U priority Critical patent/JPH0349517Y2/ja
Publication of JPS61109299U publication Critical patent/JPS61109299U/ja
Application granted granted Critical
Publication of JPH0349517Y2 publication Critical patent/JPH0349517Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP1984194147U 1984-12-20 1984-12-20 Expired JPH0349517Y2 (US20100154141A1-20100624-C00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984194147U JPH0349517Y2 (US20100154141A1-20100624-C00001.png) 1984-12-20 1984-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984194147U JPH0349517Y2 (US20100154141A1-20100624-C00001.png) 1984-12-20 1984-12-20

Publications (2)

Publication Number Publication Date
JPS61109299U true JPS61109299U (US20100154141A1-20100624-C00001.png) 1986-07-10
JPH0349517Y2 JPH0349517Y2 (US20100154141A1-20100624-C00001.png) 1991-10-22

Family

ID=30751585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984194147U Expired JPH0349517Y2 (US20100154141A1-20100624-C00001.png) 1984-12-20 1984-12-20

Country Status (1)

Country Link
JP (1) JPH0349517Y2 (US20100154141A1-20100624-C00001.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5165609U (US20100154141A1-20100624-C00001.png) * 1974-11-19 1976-05-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5165609U (US20100154141A1-20100624-C00001.png) * 1974-11-19 1976-05-24

Also Published As

Publication number Publication date
JPH0349517Y2 (US20100154141A1-20100624-C00001.png) 1991-10-22

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