JPH0349517Y2 - - Google Patents

Info

Publication number
JPH0349517Y2
JPH0349517Y2 JP1984194147U JP19414784U JPH0349517Y2 JP H0349517 Y2 JPH0349517 Y2 JP H0349517Y2 JP 1984194147 U JP1984194147 U JP 1984194147U JP 19414784 U JP19414784 U JP 19414784U JP H0349517 Y2 JPH0349517 Y2 JP H0349517Y2
Authority
JP
Japan
Prior art keywords
horn
section
transparent
speaker
microphone
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
JP1984194147U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61109299U (en]
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 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984194147U JPH0349517Y2 (en]) 1984-12-20 1984-12-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984194147U JPH0349517Y2 (en]) 1984-12-20 1984-12-20

Publications (2)

Publication Number Publication Date
JPS61109299U JPS61109299U (en]) 1986-07-10
JPH0349517Y2 true JPH0349517Y2 (en]) 1991-10-22

Family

ID=30751585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984194147U Expired JPH0349517Y2 (en]) 1984-12-20 1984-12-20

Country Status (1)

Country Link
JP (1) JPH0349517Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102774366B1 (ko) * 2023-10-27 2025-02-27 전라남도 가변 가능한 지향성 확성기

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5165609U (en]) * 1974-11-19 1976-05-24

Also Published As

Publication number Publication date
JPS61109299U (en]) 1986-07-10

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