NO154900C - Elektroakustisk anordning. - Google Patents
Elektroakustisk anordning.Info
- Publication number
- NO154900C NO154900C NO83833066A NO833066A NO154900C NO 154900 C NO154900 C NO 154900C NO 83833066 A NO83833066 A NO 83833066A NO 833066 A NO833066 A NO 833066A NO 154900 C NO154900 C NO 154900C
- Authority
- NO
- Norway
- Prior art keywords
- electroacustic
- electroacustic device
- Prior art date
Links
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)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Electrophonic Musical Instruments (AREA)
- Paper (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Electrodes Of Semiconductors (AREA)
- Bipolar Transistors (AREA)
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 |
PCT/US1982/001701 WO1983002364A1 (en) | 1981-12-30 | 1982-12-03 | Piezoelectric loudspeaker coupled with resonant structures |
Publications (3)
Publication Number | Publication Date |
---|---|
NO833066L NO833066L (no) | 1983-08-26 |
NO154900B NO154900B (no) | 1986-09-29 |
NO154900C true NO154900C (no) | 1987-01-07 |
Family
ID=23313849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO83833066A NO154900C (no) | 1981-12-30 | 1983-08-26 | Elektroakustisk anordning. |
Country Status (12)
Country | Link |
---|---|
US (1) | US4413198A (es) |
EP (1) | EP0097692B1 (es) |
KR (1) | KR840003184A (es) |
AU (1) | AU550977B2 (es) |
BR (1) | BR8208036A (es) |
CA (1) | CA1183937A (es) |
DE (1) | DE3272399D1 (es) |
DK (1) | DK382783D0 (es) |
FI (1) | FI833083A0 (es) |
MX (1) | MX152515A (es) |
NO (1) | NO154900C (es) |
WO (1) | WO1983002364A1 (es) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4602245A (en) * | 1983-04-29 | 1986-07-22 | Ensco, Inc. | General purpose modular acoustic signal generator |
US4630342A (en) * | 1984-12-21 | 1986-12-23 | Motorola, Inc. | Method of mounting a piezoelectric helmholtz transducer on a printed circuit board |
AU588989B2 (en) * | 1986-04-10 | 1989-09-28 | Alcatel Australia Limited | An improved transducer |
US4700100A (en) * | 1986-09-02 | 1987-10-13 | Magnavox Government And Industrial Electronics Company | Flexural disk resonant cavity transducer |
US4918738A (en) * | 1988-12-05 | 1990-04-17 | Federal Signal Corporation | Structural assembly for housing an acoustical system |
GB2237477A (en) * | 1989-10-06 | 1991-05-01 | British Aerospace | Sonar transducer |
US5099948A (en) * | 1990-04-23 | 1992-03-31 | Jim Melhart | Compact woofer speaker system |
GB2250157A (en) * | 1990-11-15 | 1992-05-27 | Stuart Victor Showell | Loudspeaker enclosures |
US5184332A (en) * | 1990-12-06 | 1993-02-02 | Image Acoustics, Inc. | Multiport underwater sound transducer |
US5386479A (en) * | 1992-11-23 | 1995-01-31 | Hersh; Alan S. | Piezoelectric sound sources |
US5584447A (en) * | 1994-12-19 | 1996-12-17 | General Electric Company | Noise control using a plate radiator and an acoustic resonator |
US5751827A (en) * | 1995-03-13 | 1998-05-12 | Primo Microphones, Inc. | Piezoelectric speaker |
US5687245A (en) * | 1995-06-07 | 1997-11-11 | Interval Research Corporation | Sampled chamber transducer with enhanced low frequency response |
US5682434A (en) * | 1995-06-07 | 1997-10-28 | Interval Research Corporation | Wearable audio system with enhanced performance |
JP3123431B2 (ja) * | 1996-06-03 | 2001-01-09 | 株式会社村田製作所 | 圧電スピーカ |
EP0873039A3 (en) * | 1997-04-15 | 2007-04-04 | Murata Manufacturing Co., Ltd. | Speaker |
US6130951A (en) * | 1997-04-28 | 2000-10-10 | Murata Manfacturing Co., Ltd. | Speaker having multiple sound bodies and multiple sound openings |
JP3141834B2 (ja) * | 1997-12-26 | 2001-03-07 | 株式会社村田製作所 | スピーカ |
US6321070B1 (en) * | 1998-05-14 | 2001-11-20 | Motorola, Inc. | Portable electronic device with a speaker assembly |
US6366202B1 (en) | 1999-09-07 | 2002-04-02 | Lawrence D. Rosenthal | Paired lost item finding system |
TW511391B (en) | 2000-01-24 | 2002-11-21 | New Transducers Ltd | Transducer |
US7151837B2 (en) | 2000-01-27 | 2006-12-19 | New Transducers Limited | Loudspeaker |
US6885753B2 (en) | 2000-01-27 | 2005-04-26 | New Transducers Limited | Communication device using bone conduction |
US6965678B2 (en) | 2000-01-27 | 2005-11-15 | New Transducers Limited | Electronic article comprising loudspeaker and touch pad |
US6987445B1 (en) * | 2000-09-22 | 2006-01-17 | Mallory Sonalert Products, Inc. | Water resistant audible signal |
US6713942B2 (en) * | 2001-05-23 | 2004-03-30 | Purdue Research Foundation | Piezoelectric device with feedback sensor |
US6891471B2 (en) * | 2002-06-06 | 2005-05-10 | Pui Hang Yuen | Expandable object tracking system and devices |
JP4090842B2 (ja) * | 2002-10-28 | 2008-05-28 | スター精密株式会社 | 電磁型電気音響変換器 |
GB2408405A (en) * | 2003-11-18 | 2005-05-25 | Sonaptic Ltd | Sonic emitter |
WO2005120127A1 (en) * | 2004-05-28 | 2005-12-15 | Wms Gaming Inc. | Speaker system for a gaming machine |
WO2005117647A1 (en) | 2004-05-28 | 2005-12-15 | Wms Gaming Inc. | Gaming device with attached audio-capable chair |
US7116036B2 (en) * | 2004-08-02 | 2006-10-03 | General Electric Company | Energy harvesting system, apparatus and method |
US20060158064A1 (en) * | 2004-12-02 | 2006-07-20 | Kazuo Asakawa | Piezoelectric sounding body and electronic device |
US7740104B1 (en) * | 2006-01-11 | 2010-06-22 | Red Tail Hawk Corporation | Multiple resonator attenuating earplug |
US8385578B2 (en) * | 2007-11-12 | 2013-02-26 | Nec Corporation | Piezoelectric acoustic device and electronic apparatus |
US8362907B1 (en) * | 2009-03-27 | 2013-01-29 | Nth Solutions, Llc | Self-stick resonant enclosure that responds to flush toilet fill valve water inflow vibration |
KR101295670B1 (ko) * | 2009-12-11 | 2013-08-14 | 한국전자통신연구원 | 압전 발전기 |
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 |
US11504626B2 (en) * | 2018-11-29 | 2022-11-22 | Ts Tech Co., Ltd. | Seat system and seat experience device |
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 |
CN111030507B (zh) * | 2019-12-30 | 2021-07-02 | 陕西师范大学 | 一种双腔耦合型噪声发电机及发电方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE609163C (de) * | 1931-03-21 | 1935-02-16 | Telefunken Gmbh | Akustisch-mechanisches Wellenfilter |
GB1278009A (en) * | 1970-10-22 | 1972-06-14 | Standard Telephones Cables Ltd | Microphone |
US3748502A (en) * | 1971-08-04 | 1973-07-24 | Edo Corp | Piezoelectric helmholtz resonator for energy conversion |
GB1402290A (en) * | 1971-12-29 | 1975-08-06 | Sumitomo Electric Industries | Piezo-electric acoustic device |
US3873866A (en) * | 1973-11-05 | 1975-03-25 | Sontrix | Piezoelectric transducer assembly and method for generating an umbrella shaped radiation pattern |
US3982142A (en) * | 1973-11-05 | 1976-09-21 | Sontrix, Inc. | Piezoelectric transducer assembly and method for generating a cone shaped radiation pattern |
US3921016A (en) * | 1973-12-12 | 1975-11-18 | Proctor & Assoc Co | Sonic signal generator and housing |
JPS5220297Y2 (es) * | 1974-05-10 | 1977-05-10 | ||
GB1515287A (en) * | 1974-05-30 | 1978-06-21 | Plessey Co Ltd | Piezoelectric transducers |
US4042845A (en) * | 1976-03-25 | 1977-08-16 | Sontrix Division Of Pittway Corporation | Transducer assembly and method for radiating and detecting energy over controlled beam width |
US4079213A (en) * | 1977-04-21 | 1978-03-14 | Essex Group, Inc. | Piezoelectric transducer having improved low frequency response |
DE2831411C2 (de) * | 1978-07-17 | 1983-10-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektroakustischer Wandler mit mit piezoelektrischer Schicht versehener Membran |
DE2937922A1 (de) * | 1979-09-19 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | Piezoelektrischer wandler |
DE3135096A1 (de) * | 1981-02-20 | 1982-09-09 | Apparatebau Wilhelm Heibl Gmbh, 8671 Selbitz | Schallgeber mit piezowandler |
DE3131349C2 (de) * | 1981-08-07 | 1983-05-11 | Rosenthal Technik Ag, 8672 Selb | Piezoelektrischer Dreitongeber |
-
1981
- 1981-12-30 US US06/335,933 patent/US4413198A/en not_active Expired - Lifetime
-
1982
- 1982-12-03 WO PCT/US1982/001701 patent/WO1983002364A1/en not_active Application Discontinuation
- 1982-12-03 DE DE8383900253T patent/DE3272399D1/de not_active Expired
- 1982-12-03 EP EP83900253A patent/EP0097692B1/en not_active Expired
- 1982-12-03 AU AU11021/83A patent/AU550977B2/en not_active Ceased
- 1982-12-03 BR BR8208036A patent/BR8208036A/pt unknown
- 1982-12-10 CA CA000417463A patent/CA1183937A/en not_active Expired
- 1982-12-16 MX MX195693A patent/MX152515A/es unknown
- 1982-12-23 KR KR1019820005788A patent/KR840003184A/ko unknown
-
1983
- 1983-08-22 DK DK3827/83A patent/DK382783D0/da not_active Application Discontinuation
- 1983-08-26 NO NO83833066A patent/NO154900C/no unknown
- 1983-08-30 FI FI833083A patent/FI833083A0/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA1183937A (en) | 1985-03-12 |
NO154900B (no) | 1986-09-29 |
EP0097692B1 (en) | 1986-07-30 |
AU550977B2 (en) | 1986-04-10 |
MX152515A (es) | 1985-08-14 |
DK382783A (da) | 1983-08-22 |
EP0097692A1 (en) | 1984-01-11 |
NO833066L (no) | 1983-08-26 |
WO1983002364A1 (en) | 1983-07-07 |
EP0097692A4 (en) | 1984-06-05 |
US4413198A (en) | 1983-11-01 |
DE3272399D1 (en) | 1986-09-04 |
FI833083A0 (fi) | 1983-08-30 |
BR8208036A (pt) | 1983-12-13 |
DK382783D0 (da) | 1983-08-22 |
KR840003184A (ko) | 1984-08-13 |
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