KR840003184A - 압전 변환장치 - Google Patents

압전 변환장치 Download PDF

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Publication number
KR840003184A
KR840003184A KR1019820005788A KR820005788A KR840003184A KR 840003184 A KR840003184 A KR 840003184A KR 1019820005788 A KR1019820005788 A KR 1019820005788A KR 820005788 A KR820005788 A KR 820005788A KR 840003184 A KR840003184 A KR 840003184A
Authority
KR
South Korea
Prior art keywords
piezoelectric
drive device
converter according
piezoelectric converter
resonant frequency
Prior art date
Application number
KR1019820005788A
Other languages
English (en)
Inventor
로버트 보스트 죠나단
Original Assignee
빈세트 죠셉 로너
모토로라 인코포레이티드
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.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23313849&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR840003184(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 빈세트 죠셉 로너, 모토로라 인코포레이티드 filed Critical 빈세트 죠셉 로너
Publication of KR840003184A publication Critical patent/KR840003184A/ko

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency

Landscapes

  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Paper (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Bipolar Transistors (AREA)
  • Electrodes Of Semiconductors (AREA)

Abstract

내용 없음

Description

압전 변환장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명 전기 음향장치의 단면도.
제2도는 제1도 전기 음향 장치의 주파수 응답 곡선.

Claims (11)

  1. 압전 변환 장치에 있어서, 두 양쪽 주 표면을 포함하고서 소정의 공진 주파수를 나타내는 압전 구동장치는 전기 에너지를 음ㅎ야에너지로 변화시키며, 구동장치의 공진 주파수 보다 낮은 주파수에서 공진되도록 한 치수를 갖고서 적어도 하나의 개구부를 포함하는 제1 공진 구조물을 음향학적으로 주표면의 하나에 결합되며, 구동장치의 공진 주파수 보다 높은주파수에서 공진 되도록한 치수를 갖고서 적어도 하나의 개구부를 포함하는 제2공진 구조물은 또다른 주표면이 하나에 음향학적으로 결합되는 것을 특징으로 하는 압전 변환장치.
  2. 제1항에 따른 압전변환장치에 있어서, 제1공진 구조물이 헬름홀쯔 공진기를 포함하는 것을 특징으로 하는 압전 변환장치.
  3. 제1항에 따른 압전변환장치에 있어서, 제2 공진 구조물이 헬름홀쯔 공진기를 포함하는 것을 특징으로 하는 압전 변환장치.
  4. 제2항에 따른 압전변환장치에 있어서, 제1공진 구조물이 헬름홀쯔 공진기를 포함하는 것을 특징으로 하는 압전 변환장치.
  5. 제1항에 따른 압전변환장치에 있어서, 압전 구동장치가 단구조체를 포함하는 것을 특징으로 하는 압전변환장치.
  6. 제1항에 따른 압전 변환 장치에 있어서, 압전 구동장치가 2중 구조체를 포함하는 것을 특징으로 하는 압전 변환장치.
  7. 제1항에 따른 압전 변환 장치에 있어서, 압전 구동장치가 다중 구조체를 포함하는 것을 특징으로 하는 압전 변환장치.
  8. 압전 변환장치에 있어서, 제1소정의 공진 주파수를 나타내고 양쪽 주표면을 갖는 압전 구동장치는 이 장치에 인가된 전기신호를 각각의 주표면으로 부터 방사하는 음향에너지로 변환시키며, 구동장치의 한쪽 표면에 음향학적으로 결합되는 제1헬름홀쯔 공진장치는 제1공진 주파수 보다 낮은 제2 공진 주파수에 공진하기 위하여 적당한 치수를 가지며, 구동기의 나머지 주 표면에 음향학적으로 결합되는 제2헬름홀쯔 공진장치는 제1 공진파수 보다 높은 제3공진 주파수에 공진되기 위한 적당한 치수를 갖는 것을 특징으로 하는 압전변환장치.
  9. 제8항에 따른 압전 변환장치에 있어서, 압전 구동장치가 단구조체를 포함하는 것을 특징으로 하는 압전 변환장치.
  10. 제8항에 따른 압전 변환장치에 있어서, 압전 구동장치가 2중 구조체를 포함하는 것을 특징으로 하는 압전 변환장치.
  11. 제8항에 따른 압전 변환장치에 있어서, 압전 구동장치가 다중 구조체를 포함하는 것을 특징으로 하는 압전 변환장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019820005788A 1981-12-30 1982-12-23 압전 변환장치 KR840003184A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/335,933 US4413198A (en) 1981-12-30 1981-12-30 Piezoelectric transducer apparatus
US335933 1994-11-08

Publications (1)

Publication Number Publication Date
KR840003184A true KR840003184A (ko) 1984-08-13

Family

ID=23313849

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019820005788A KR840003184A (ko) 1981-12-30 1982-12-23 압전 변환장치

Country Status (12)

Country Link
US (1) US4413198A (ko)
EP (1) EP0097692B1 (ko)
KR (1) KR840003184A (ko)
AU (1) AU550977B2 (ko)
BR (1) BR8208036A (ko)
CA (1) CA1183937A (ko)
DE (1) DE3272399D1 (ko)
DK (1) DK382783D0 (ko)
FI (1) FI833083A0 (ko)
MX (1) MX152515A (ko)
NO (1) NO154900C (ko)
WO (1) WO1983002364A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101295670B1 (ko) * 2009-12-11 2013-08-14 한국전자통신연구원 압전 발전기

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JP5428861B2 (ja) * 2007-11-12 2014-02-26 日本電気株式会社 圧電音響素子及び電子機器
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TWI523543B (zh) * 2013-10-02 2016-02-21 鳴周科技股份有限公司 壓電喇叭
KR101415037B1 (ko) * 2014-06-11 2014-07-04 범진시엔엘 주식회사 인클로저를 가지는 압전 스피커 유닛
CN113163955A (zh) * 2018-11-29 2021-07-23 提爱思科技股份有限公司 座椅系统和座椅型体验装置
RU2732532C1 (ru) * 2019-04-23 2020-09-21 федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" Резонансная ячейка для гашения акустических волн
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101295670B1 (ko) * 2009-12-11 2013-08-14 한국전자통신연구원 압전 발전기

Also Published As

Publication number Publication date
NO833066L (no) 1983-08-26
MX152515A (es) 1985-08-14
BR8208036A (pt) 1983-12-13
EP0097692A4 (en) 1984-06-05
DE3272399D1 (en) 1986-09-04
EP0097692B1 (en) 1986-07-30
DK382783A (da) 1983-08-22
EP0097692A1 (en) 1984-01-11
DK382783D0 (da) 1983-08-22
CA1183937A (en) 1985-03-12
NO154900B (no) 1986-09-29
FI833083A0 (fi) 1983-08-30
NO154900C (no) 1987-01-07
US4413198A (en) 1983-11-01
WO1983002364A1 (en) 1983-07-07
AU550977B2 (en) 1986-04-10

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