JPH0713039Y2 - 音声発振装置の通音窓 - Google Patents

音声発振装置の通音窓

Info

Publication number
JPH0713039Y2
JPH0713039Y2 JP1990002139U JP213990U JPH0713039Y2 JP H0713039 Y2 JPH0713039 Y2 JP H0713039Y2 JP 1990002139 U JP1990002139 U JP 1990002139U JP 213990 U JP213990 U JP 213990U JP H0713039 Y2 JPH0713039 Y2 JP H0713039Y2
Authority
JP
Japan
Prior art keywords
sound
resonance film
resonance
window
film
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 - Fee Related
Application number
JP1990002139U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0394599U (en]
Inventor
洋孝 清水
Original Assignee
国際電気株式会社
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 国際電気株式会社 filed Critical 国際電気株式会社
Priority to JP1990002139U priority Critical patent/JPH0713039Y2/ja
Publication of JPH0394599U publication Critical patent/JPH0394599U/ja
Application granted granted Critical
Publication of JPH0713039Y2 publication Critical patent/JPH0713039Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)
JP1990002139U 1990-01-12 1990-01-12 音声発振装置の通音窓 Expired - Fee Related JPH0713039Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990002139U JPH0713039Y2 (ja) 1990-01-12 1990-01-12 音声発振装置の通音窓

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990002139U JPH0713039Y2 (ja) 1990-01-12 1990-01-12 音声発振装置の通音窓

Publications (2)

Publication Number Publication Date
JPH0394599U JPH0394599U (en]) 1991-09-26
JPH0713039Y2 true JPH0713039Y2 (ja) 1995-03-29

Family

ID=31506018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990002139U Expired - Fee Related JPH0713039Y2 (ja) 1990-01-12 1990-01-12 音声発振装置の通音窓

Country Status (1)

Country Link
JP (1) JPH0713039Y2 (en])

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254296Y2 (en]) * 1973-08-10 1977-12-08
JPS5814990B2 (ja) * 1976-06-11 1983-03-23 セイコーインスツルメンツ株式会社 アラ−ムウオツチ
JPS54160579U (en]) * 1978-04-28 1979-11-09
JPS5610276A (en) * 1979-07-04 1981-02-02 Citizen Watch Co Ltd Sound diaphragm of sound-producing body for clock

Also Published As

Publication number Publication date
JPH0394599U (en]) 1991-09-26

Similar Documents

Publication Publication Date Title
EP0146933B1 (en) Sound generating apparatus
CN102265646B (zh) 压电扬声器、使用其的压电音响装置以及带警报器的传感器
DE69601728D1 (de) Bildschirm mit lautsprechern
EA199800256A1 (ru) Пассажирское тронспортное средство, в котором установлен громкоговоритель с панельным акустическим излучающим элементом
JPS5832559B2 (ja) 空中超音波パルスの伝送方式並びにこれに用いる超音波送受波具
EA199800247A1 (ru) Портативный проигрыватель компакт-дисков
KR950033427A (ko) 단거리 초음파 거리탐지기
KR840003184A (ko) 압전 변환장치
EA199800264A1 (ru) Доска объявлений с встроенными громкоговорителями
EA000376B1 (ru) Преобразователь колебаний
KR20000049116A (ko) 음파를 흡수 및/또는 감쇠하기 위한 장치
EA199800246A1 (ru) Громкоговорители, содержащие панелеобразные акустические излучающие элементы
ATE179564T1 (de) Musikinstrumente mit lautsprechern
SE8700306L (sv) Ljudomvandlarsystem
US4006371A (en) Electroacoustical transducer comprising piezoelectric element
US4999609A (en) Antipilferage tags having an acoustic resonator chamber
CA2440926A1 (en) Noise control apparatus
JPH0713039Y2 (ja) 音声発振装置の通音窓
JPH0477257B2 (en])
JP2005173248A (ja) 警報音発生装置
CH629067B (fr) Avertisseur acoustique a excitation electronique.
JP7600945B2 (ja) 車両用音出力装置及び車両用音伝搬装置
ZA935767B (en) Acoustic transducer.
JP5664450B2 (ja) パラメトリックスピーカ
JPS6052200A (ja) 電子式サイレン

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees