CH641925B - Transparenter flachlautsprecher. - Google Patents

Transparenter flachlautsprecher.

Info

Publication number
CH641925B
CH641925B CH447980A CH447980A CH641925B CH 641925 B CH641925 B CH 641925B CH 447980 A CH447980 A CH 447980A CH 447980 A CH447980 A CH 447980A CH 641925 B CH641925 B CH 641925B
Authority
CH
Switzerland
Prior art keywords
speaker
plate
transparent flat
resonator
ellipse
Prior art date
Application number
CH447980A
Other languages
English (en)
Other versions
CH641925GA3 (de
Inventor
Kumada Akio
Nakamura Shigeo
Original Assignee
Hitachi Ltd
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 of CH641925B publication Critical patent/CH641925B/de
Priority claimed from JP7469879A external-priority patent/JPS56800A/ja
Priority claimed from JP5422680A external-priority patent/JPS56152399A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of CH641925GA3 publication Critical patent/CH641925GA3/de

Links

Classifications

    • 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
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Laminated Bodies (AREA)
CH447980A 1979-06-15 1980-06-11 Transparenter flachlautsprecher. CH641925B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7469879A JPS56800A (en) 1979-06-15 1979-06-15 Transparent flat speaker
JP5422680A JPS56152399A (en) 1980-04-25 1980-04-25 Transparent plane plate speaker

Publications (2)

Publication Number Publication Date
CH641925B true CH641925B (de)
CH641925GA3 CH641925GA3 (de) 1984-03-30

Family

ID=26394972

Family Applications (1)

Application Number Title Priority Date Filing Date
CH447980A CH641925B (de) 1979-06-15 1980-06-11 Transparenter flachlautsprecher.

Country Status (4)

Country Link
US (1) US4352961A (de)
CH (1) CH641925B (de)
DE (1) DE3021597C2 (de)
GB (1) GB2052919B (de)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5661897A (en) * 1979-10-24 1981-05-27 Hitachi Ltd Display unit
JPS56131979A (en) * 1980-03-19 1981-10-15 Hitachi Ltd Piezoelectric material for transparent vibrator and transparent vibrator
DE3169146D1 (en) * 1980-11-07 1985-04-04 Hitachi Ltd Piezoelectric ceramic transducer
GB2131950B (en) * 1982-12-17 1986-04-03 Marconi Co Ltd Ceramic vane for use in monitoring flow of a fluid
DE3407980A1 (de) * 1983-04-20 1984-10-25 Tadashi Tokio/Tokyo Sawafuji Kristallschallerzeuger
DE3433373A1 (de) * 1984-09-12 1986-03-20 Michael 2000 Wedel Jureczek Elektroakustischer wandler mit piezoelektrischen elementen
US4904982A (en) * 1988-02-18 1990-02-27 Outboard Marine Corporation Visual and audible warning device
US4998805A (en) * 1988-02-19 1991-03-12 Eastman Kodak Company Elimination of field-induced instabilities in electrooptic modulators
US5025187A (en) * 1988-05-30 1991-06-18 Aisin Seiki Kabushiki Kaisha Actuator and control system for cleaning of mirror-like objects
EP0361249B1 (de) * 1988-09-26 1992-03-25 E W D Electronic-Werke Deutschland Gmbh Bild-Tonwiedergabegerät
US5115472A (en) * 1988-10-07 1992-05-19 Park Kyung T Electroacoustic novelties
US5229744A (en) * 1990-11-27 1993-07-20 Ngk Spark Plug Co., Ltd. Piezoelectric type pager
US5473214A (en) * 1993-05-07 1995-12-05 Noise Cancellation Technologies, Inc. Low voltage bender piezo-actuators
US5828768A (en) * 1994-05-11 1998-10-27 Noise Cancellation Technologies, Inc. Multimedia personal computer with active noise reduction and piezo speakers
US5638456A (en) * 1994-07-06 1997-06-10 Noise Cancellation Technologies, Inc. Piezo speaker and installation method for laptop personal computer and other multimedia applications
US5751827A (en) * 1995-03-13 1998-05-12 Primo Microphones, Inc. Piezoelectric speaker
NL1000275C2 (nl) * 1995-05-02 1996-11-05 Hollandse Signaalapparaten Bv Acoustische trillingsgenerator.
CA2230064A1 (en) * 1995-09-02 1997-03-13 Verity Group Plc Personal computers
RO120304B1 (ro) * 1995-09-02 2005-11-30 Verity Group Plc Traductor de vibraţii, inerţial şi difuzor pentru utilizarea acestuia
US5901231A (en) 1995-09-25 1999-05-04 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
US5780958A (en) * 1995-11-03 1998-07-14 Aura Systems, Inc. Piezoelectric vibrating device
US6396197B1 (en) 1995-12-22 2002-05-28 Speaker Acquisition Sub, A Cayman Island Corporation Piezoelectric speaker
US5977688A (en) * 1997-03-28 1999-11-02 Seiko Instruments R & D Center Inc. Electronic apparatus for being switched using piezoelectric element
US6137890A (en) * 1997-05-06 2000-10-24 Compaq Computer Corporation Lumped parameter resonator of a piezoelectric speaker
PL191378B1 (pl) 1998-06-22 2006-05-31 Slab Technology Ltd Głośnik
JP4614534B2 (ja) * 1998-07-03 2011-01-19 ニュー トランスデューサーズ リミテッド 共振パネル形状ラウドスピーカ
GB9818719D0 (en) * 1998-08-28 1998-10-21 New Transducers Ltd Vubration exciter
DE19843079A1 (de) * 1998-09-19 2000-03-23 Nokia Deutschland Gmbh Multiresonanzplatte
GB2358546B (en) * 1998-11-13 2002-01-23 Nec Corp Piezoelectric diaphragm and piezoelectric speaker
JP3597061B2 (ja) * 1998-11-13 2004-12-02 日本電気株式会社 圧電スピーカ
US6404897B1 (en) * 1999-01-05 2002-06-11 Harman International Industries, Inc. Ceramic metal matrix diaphragm for loudspeakers
US6327372B1 (en) * 1999-01-05 2001-12-04 Harman International Industries Incorporated Ceramic metal matrix diaphragm for loudspeakers
US6181797B1 (en) 1999-01-09 2001-01-30 Noise Cancellation Technologies, Inc. Piezo speaker for improved passenger cabin audio systems
US6795561B1 (en) 1999-07-08 2004-09-21 New Transducers Limited Panel drive
FI116874B (fi) 1999-12-02 2006-03-15 Nokia Corp Äänenmuuntimet
JP3700559B2 (ja) * 1999-12-16 2005-09-28 株式会社村田製作所 圧電音響部品およびその製造方法
JP2003529976A (ja) 2000-01-07 2003-10-07 アサナス ルイス 機械−音響変換機及びマルチメディアフラットフィルムスピーカー
TW511391B (en) * 2000-01-24 2002-11-21 New Transducers Ltd Transducer
US7151837B2 (en) * 2000-01-27 2006-12-19 New Transducers Limited Loudspeaker
GB0029082D0 (en) * 2000-11-28 2001-01-10 New Transducers Ltd Display systems
KR100357033B1 (ko) * 2000-12-14 2002-10-18 삼성전자 주식회사 패널형 스피커의 장착 구조
US6708797B2 (en) 2001-04-23 2004-03-23 Gilbarco Inc. Display enclosure having thin speaker
US6493440B2 (en) 2001-04-23 2002-12-10 Gilbarco Inc. Thermal management for a thin environmentally-sealed LCD display enclosure
US7280087B2 (en) 2001-04-23 2007-10-09 Gilbarco Inc. Multiple browser interface
US7039206B2 (en) * 2001-06-28 2006-05-02 Nokia Corporation Dual diaphragm speaker
TW540925U (en) * 2002-05-14 2003-07-01 High Tech Comp Corp Wireless communication apparatuswith a flat speaker
US7167130B2 (en) * 2003-08-01 2007-01-23 Sony Ericsson Mobile Communications Ab Internal antenna and flat panel speaker assemblies and mobile terminals including the same
US7508953B2 (en) * 2003-12-30 2009-03-24 Audio Products International Corp. Loudspeaker and components for use in construction thereof
KR101000924B1 (ko) * 2004-02-03 2010-12-13 삼성전자주식회사 캡션 표시 방법 및 장치
US20060013417A1 (en) * 2004-07-16 2006-01-19 Intier Automotive Inc. Acoustical panel assembly
JP3966316B2 (ja) * 2004-08-23 2007-08-29 セイコーエプソン株式会社 電気光学装置及び電子機器
EP1722285A1 (de) * 2005-05-10 2006-11-15 ETA SA Manufacture Horlogère Suisse Tragbares wasserdichtes Gerät, das einen Schallgeber aufweist
US7884529B2 (en) * 2005-05-31 2011-02-08 Emo Labs, Inc. Diaphragm membrane and supporting structure responsive to environmental conditions
KR101146530B1 (ko) * 2005-08-30 2012-05-25 삼성전자주식회사 스피커 겸용 터치 패널
US20070063982A1 (en) * 2005-09-19 2007-03-22 Tran Bao Q Integrated rendering of sound and image on a display
US7565949B2 (en) * 2005-09-27 2009-07-28 Casio Computer Co., Ltd. Flat panel display module having speaker function
US8525778B2 (en) 2007-03-21 2013-09-03 Northwestern University Haptic device with controlled traction forces
WO2007111909A2 (en) 2006-03-24 2007-10-04 Northwestern University Haptic device with indirect haptic feedback
US8780053B2 (en) * 2007-03-21 2014-07-15 Northwestern University Vibrating substrate for haptic interface
JP2009008973A (ja) * 2007-06-29 2009-01-15 Hitachi Displays Ltd 液晶表示装置
US7782191B2 (en) * 2007-07-25 2010-08-24 Tomas Flores Portable alarm apparatus for warning persons
US20100322455A1 (en) * 2007-11-21 2010-12-23 Emo Labs, Inc. Wireless loudspeaker
TWI350116B (en) * 2007-12-18 2011-10-01 Princeton Technology Corp Audio playing module and method of the same
JP2009188801A (ja) * 2008-02-07 2009-08-20 Panasonic Corp 圧電スピーカ
WO2009151892A1 (en) * 2008-05-19 2009-12-17 Emo Labs, Inc. Diaphragm with integrated acoustical and optical properties
US8189851B2 (en) 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
US8989412B2 (en) * 2009-05-25 2015-03-24 Panasonic Intellectual Property Management Co., Ltd. Piezoelectric acoustic transducer
US8340327B2 (en) * 2009-06-11 2012-12-25 Magna International Inc. Home theater
US8831253B2 (en) * 2009-10-22 2014-09-09 Industrial Technology Research Institute Electroacoustic apparatus with optical energy conversion function
US8824706B2 (en) 2011-08-30 2014-09-02 Qualcomm Mems Technologies, Inc. Piezoelectric microphone fabricated on glass
US8724832B2 (en) * 2011-08-30 2014-05-13 Qualcomm Mems Technologies, Inc. Piezoelectric microphone fabricated on glass
JP2013141147A (ja) * 2012-01-05 2013-07-18 Kyocera Corp 電子機器
JP6075592B2 (ja) * 2012-05-22 2017-02-08 京セラ株式会社 電子機器
US20140045463A1 (en) * 2012-08-10 2014-02-13 Silverplus, Inc. Wearable Communication Device
EP2969264A4 (de) 2013-03-15 2016-11-23 Emo Labs Inc Akustische wandler mit einem biegungseinschränkenden element
JP5815612B2 (ja) * 2013-07-29 2015-11-17 京セラ株式会社 電子機器
JP5674895B1 (ja) * 2013-10-29 2015-02-25 京セラ株式会社 電子機器
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker
WO2015145906A1 (ja) * 2014-03-25 2015-10-01 京セラ株式会社 音響発生器およびこれを備えた音響発生装置、電子機器
US9913045B2 (en) * 2016-04-18 2018-03-06 Apple Inc. Piezoelectric speakers for electronic devices
JP6870998B2 (ja) * 2017-01-30 2021-05-12 株式会社デンソーテン スピーカ装置、スピーカシステムおよびスピーカ装置の制御方法
JP6799473B2 (ja) 2017-02-03 2020-12-16 株式会社デンソーテン スピーカ装置、スピーカシステムおよびスピーカの指向性調整方法
US10924866B2 (en) 2019-02-27 2021-02-16 Nokia Technologies Oy Piezoelectric speaker
US11626557B2 (en) * 2019-08-30 2023-04-11 Eagle Technology, Llc Ultra-miniature antennas
US11540033B2 (en) * 2021-04-28 2022-12-27 Meta Platforms Technologies, Llc Transparent speaker for displays, windows, and lenses

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048454A (en) * 1974-12-02 1977-09-13 Barcus Lester M Sonic transducer employing rigid radiating member

Also Published As

Publication number Publication date
GB2052919B (en) 1983-04-27
DE3021597C2 (de) 1982-05-13
DE3021597A1 (de) 1980-12-18
US4352961A (en) 1982-10-05
GB2052919A (en) 1981-01-28
CH641925GA3 (de) 1984-03-30

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