JPWO2013051328A1 - 圧電振動装置およびそれを用いた携帯端末 - Google Patents
圧電振動装置およびそれを用いた携帯端末 Download PDFInfo
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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- H—ELECTRICITY
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Abstract
【解決手段】 支持体11と、支持体11に振動可能に取り付けられた振動板12と、屈曲振動することが可能な振動素子14と、振動素子14の屈曲する表面である第1の表面と振動板12の一方主面との間に介在して、振動素子14の第1の表面と振動板12の一方主面とを接合する、変形可能な第1の接合部材13を少なくとも有している圧電振動装置およびそれを用いた携帯端末とする。薄型化および強い振動を発生させることが可能な圧電振動装置および携帯端末を得ることができる。
【選択図】 図1
Description
本発明の携帯端末によれば、薄型化が可能な携帯端末を得ることができる。
本発明は上述した実施の形態の例に限定されるものではなく、本発明の要旨を逸脱しない範囲において種々の変更,改良が可能である。
12:振動板
13:第1の接合部材
14,15:振動素子
16:第2の接合部材
18:ディスプレー
19:筐体
Claims (6)
- 支持体と、
該支持体に振動可能に取り付けられた振動板と、
屈曲振動することが可能な振動素子と、
該振動素子の屈曲する表面である第1の表面と前記振動板の一方主面との間に介在して、前記振動素子の前記第1の表面と前記振動板の前記一方主面とを接合する、変形可能な第1の接合部材とを少なくとも有していることを特徴とする圧電振動装置。 - 前記第1の接合部材の厚みが前記振動素子の屈曲振動の振幅よりも大きいことを特徴とする請求項1に記載の圧電振動装置。
- 電気信号が加えられて、前記振動素子が振動するとともに、前記振動板の前記振動素子が取り付けられた部分が、前記振動素子よりも小さい振幅で振動することを特徴とする請求項1または請求項2に記載の圧電振動装置。
- 振動を伝達可能な第2の接合部材を介して前記振動板が前記支持体に固定されており、前記振動素子の屈曲振動に伴って、前記振動板と、前記支持体とが共に振動することを特徴とする請求項1乃至請求項3のいずれかに記載の圧電振動装置。
- 電子回路と、ディスプレーと、請求項1乃至請求項4のいずれかに記載の圧電振動装置と、筐体とを少なくとも有しており、前記振動板が前記ディスプレーまたは前記ディスプレーの一部または前記ディスプレーのカバーであり、前記筐体に前記支持体が固定されているか、または前記筐体の少なくとも一部が前記支持体であることを特徴とする携帯端末。
- 前記振動板または前記筐体を直接または他の物を介して耳に接触させて音声情報を伝達することを特徴とする請求項5に記載の携帯端末。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2012535513A JP5558577B2 (ja) | 2011-10-03 | 2012-07-31 | 圧電振動装置およびそれを用いた携帯端末 |
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JP2011218867 | 2011-10-03 | ||
JP2011218867 | 2011-10-03 | ||
JP2011237453 | 2011-10-28 | ||
JP2011237453 | 2011-10-28 | ||
JP2012018401 | 2012-01-31 | ||
JP2012018401 | 2012-01-31 | ||
JP2012535513A JP5558577B2 (ja) | 2011-10-03 | 2012-07-31 | 圧電振動装置およびそれを用いた携帯端末 |
PCT/JP2012/069415 WO2013051328A1 (ja) | 2011-10-03 | 2012-07-31 | 圧電振動装置およびそれを用いた携帯端末 |
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JP5558577B2 JP5558577B2 (ja) | 2014-07-23 |
JPWO2013051328A1 true JPWO2013051328A1 (ja) | 2015-03-30 |
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US (1) | US9583692B2 (ja) |
JP (1) | JP5558577B2 (ja) |
KR (1) | KR101514358B1 (ja) |
CN (1) | CN103703795B (ja) |
WO (1) | WO2013051328A1 (ja) |
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- 2012-07-31 WO PCT/JP2012/069415 patent/WO2013051328A1/ja active Application Filing
- 2012-07-31 US US13/989,311 patent/US9583692B2/en active Active
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JP2007082009A (ja) * | 2005-09-15 | 2007-03-29 | Nec Saitama Ltd | パネルスピーカ |
WO2010106736A1 (ja) * | 2009-03-16 | 2010-09-23 | 日本電気株式会社 | 圧電音響素子、電子機器及び圧電音響素子の製造方法 |
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US9583692B2 (en) | 2017-02-28 |
JP5558577B2 (ja) | 2014-07-23 |
KR20130061751A (ko) | 2013-06-11 |
WO2013051328A1 (ja) | 2013-04-11 |
CN103703795A (zh) | 2014-04-02 |
CN103703795B (zh) | 2017-06-13 |
US20130241352A1 (en) | 2013-09-19 |
KR101514358B1 (ko) | 2015-04-22 |
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