WO2002021881A1 - Fenetre d'affichage presentant une fonction d'entree-sortie - Google Patents

Fenetre d'affichage presentant une fonction d'entree-sortie Download PDF

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Publication number
WO2002021881A1
WO2002021881A1 PCT/JP2001/007650 JP0107650W WO0221881A1 WO 2002021881 A1 WO2002021881 A1 WO 2002021881A1 JP 0107650 W JP0107650 W JP 0107650W WO 0221881 A1 WO0221881 A1 WO 0221881A1
Authority
WO
WIPO (PCT)
Prior art keywords
piezoelectric element
display window
diaphragm
display
window according
Prior art date
Application number
PCT/JP2001/007650
Other languages
English (en)
Japanese (ja)
Inventor
Yuuichi Kanda
Yasuo Oomori
Original Assignee
Applied Electronics Laboratories, Inc.
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
Priority claimed from JP2000266504A external-priority patent/JP2004200729A/ja
Application filed by Applied Electronics Laboratories, Inc. filed Critical Applied Electronics Laboratories, Inc.
Priority to JP2002526155A priority Critical patent/JPWO2002021881A1/ja
Priority to AU2001282620A priority patent/AU2001282620A1/en
Publication of WO2002021881A1 publication Critical patent/WO2002021881A1/fr

Links

Classifications

    • 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
    • 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
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • 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
    • 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
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • the present invention relates to an audio input / output device, and more particularly to an audio input / output device that can also serve as a display window of a display device driven mainly by an electronic device such as a liquid crystal display device.
  • the present invention relates to an audio input / output device that can further act as an information input device by pressing a window surface.
  • the present invention further relates to an electronic device provided with the input / output device.
  • FIG. 1 shows a typical example of a mobile phone currently in use.
  • the mobile phone 10 includes, as essential components, a liquid crystal display unit 12, a voice input microphone 13, a voice output speaker 14, and the like in addition to the push button unit 11. Since these functions are self-evident, a detailed description thereof will be omitted, but one of the features of the conventional mobile phone is that the display unit 12, the microphone 13, and the speaker 14 are provided independently of each other. .
  • a piezoelectric element As a conversion element between electric energy and mechanical energy, a piezoelectric element is known, and as shown in FIG. 2, a microphone 20 and a speaker 25 using a piezoelectric element are also known.
  • the microphone 20 covers the periphery of the thin film 21 made of a piezoelectric element.
  • the electromotive force of the thin film sandwiched by 22 and vibrated by external sound pressure is taken out from a set of terminals 23.
  • the speaker 25 has a thin-film vibrating body 26 made of a piezoelectric element fixed by an annular frame 27 around the thin-film vibrating body 26, and an electric signal input from a pair of terminals 28. 6 is vibrated and converted into sound waves.
  • An object of the present invention is to solve the above-mentioned problems of the related art. Specifically, the present invention displays all the front surfaces of an electronic device having a display unit such as a mobile phone. It is an object of the present invention to provide a voice input / output device that can be used for a unit and an electronic device including the same.
  • the present invention provides a light-transmitting diaphragm constituting a display window, a support member for supporting the diaphragm, a piezoelectric element fixed to the diaphragm, and a piezoelectric element. And an amplifier that inputs and outputs the piezoelectric element, transmits the vibration caused by the sound pressure received by the diaphragm to the piezoelectric element, extracts the current generated in the piezoelectric element as a voltage waveform through the amplifier, and outputs the voltage waveform through the amplifier.
  • the deformation is transmitted as vibration to the diaphragm, and a display window having a sound input / output function configured to generate sound from the diaphragm is proposed.
  • the display window can be used simultaneously as an audio input / output device, so that the entire surface of the mobile phone excluding the button portion can be used as the display screen.
  • the vibration of the deformation of the piezoelectric element is large, and at the same time, the efficiency is high and the sound with a large amplitude is generated.
  • a method for obtaining a body or vibrator is proposed.
  • at least one thin portion is formed in a housing of a mobile phone, and a piezoelectric element is installed in the thin portion to make a sounding or vibrating body, and at the same time, vibration of the piezoelectric element is not transmitted to the entire housing.
  • Yo it is also possible to reduce the resonance of the entire housing and improve the sound quality emitted from the piezoelectric element.
  • the display window further includes a filter for separating an electromotive force of the piezoelectric element due to a sound pressure applied to the diaphragm from an electromotive force of the piezoelectric element due to a mechanical pressing force.
  • the present invention proposes a display window including means for recognizing a mechanical pressing force applied to a moving plate.
  • the display screen it is possible to use the display screen for inputting and outputting voices, and at the same time, input information different from voices by pressing the screen with a finger or the like.
  • the other information is, for example, information such as an instruction to increase the audio output or an instruction to decrease the audio output.
  • some or all of the functions that were conventionally performed by operating the buttons can be performed from the display screen, and ultimately the entire front surface including the buttons is used as the display. It becomes possible.
  • a plate-shaped display element arranged inside an electronic device with a window-shaped display surface displaying the operation of the electronic device facing the outside, and the display of the display device from the outside
  • the protective plate includes a transparent protective plate that covers the surface so that the surface can be seen, and a plate-shaped piezoelectric vibrating element that is attached to an end of the protective plate and vibrates the plate.
  • FIG. 2 is a diagram showing a conventional microphone and speaker using a piezoelectric element.
  • FIG. 3 shows an embodiment in which the display window having the voice input / output function of the present invention is applied to a mobile phone.
  • FIG. 4 is a perspective view showing the display window cover taken out.
  • FIG. 5 is a perspective view showing another embodiment of the display window cover.
  • FIG. 6 shows an example of a suitable diaphragm installation.
  • FIG. 7 shows an example of installation of another suitable diaphragm in both FIG. 7a and FIG. 7b.
  • FIG. 8 is a perspective view showing an electronic apparatus including a piezoelectric element according to another embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing the vicinity of the piezoelectric element of the embodiment shown in FIG.
  • FIG. 10 is a sectional view showing a display window and a piezoelectric element attached to the display window.
  • FIG. 11 is a cross-sectional view showing a state where a piezoelectric element having electrode plates attached to both sides is attached to a display window.
  • FIG. 12 is a cross-sectional view showing a state in which electrode plates are attached to both surfaces of a piezoelectric element.
  • FIG. 13 is an enlarged view showing the vicinity of a display window and a piezoelectric element using a mobile phone as an example.
  • FIG. 3 is a perspective view showing an embodiment in which a display window having a voice input / output function according to the present invention is applied to a mobile phone.
  • the mobile phone 30 shown in FIG. 3 has a push-button input unit 31 provided on a main body 35 and a display window 32, and at first glance looks like a conventional mobile phone.
  • the conventional mobile phone does not have a speaker and a microphone installed near the tip of the phone, and the display window 32 and the push-button input unit 31 cover almost the entire surface of the phone. It is provided as follows.
  • the display window has a voice input / output function based on the present invention.
  • FIG. 4 is a perspective view showing, for example, only a portion of the display window cover 40 which is an acrylic molded product.
  • the display window cover 40 is composed of a front surface 41 and two side surfaces 42 and has a substantially C-shaped cross section. In the vicinity of the four corners of the entire surface portion 41, support members 43 made of an elastic body are provided, and these are adhered to the edge of the opening corresponding to the window of the mobile phone main body 35 by bonding.
  • the display window cover 40 is fixed to the main body 35.
  • the side surface portion 42 of the display window cover 40 Since the side surface portion 42 of the display window cover 40 is housed in the main body 35, the side surface portion 4 is provided when the display window cover 40 is attached to the main body 35 and the mobile phone 30 is assembled. 2 cannot be seen from outside.
  • a piezoelectric element 45 is attached to the side surface 42 of the display window cover 40, and the piezoelectric element 45 is attached. Is connected to an input / output circuit (not shown) through necessary conductive wires 44.
  • the display window cover vibrates (deforms) due to the sound pressure of the caller's voice, and this deformation is transmitted from the front part 41 to the side parts 42. It is.
  • the deformation of the side surface portion 42 results in the deformation of the piezoelectric element 45 affixed thereto, thereby generating an electromotive force.
  • the electromotive force is transmitted to a necessary electric circuit via the conductive line 44.
  • the sound pressure can be extracted as an electric signal, so that the display window cover 40 can be used as if it were a sound collecting microphone.
  • the position where the piezoelectric element 45 is attached to the display window cover 40 should be such that the front surface of the display window is covered by the piezoelectric element, particularly when an opaque ceramic type piezoelectric element is used. It is desirable to attach it to the side so that it does not occur.
  • the support member 43 for attaching the display window force bar to the mobile phone main body 35 by appropriately selecting the position and material of the support member 43 for attaching the display window force bar to the mobile phone main body 35, vibration due to sound pressure can be effectively transmitted to the piezoelectric element. From this viewpoint, the above-described structure in which the support members 43 made of an elastic body are arranged near the four corners of the front surface is one preferable structure.
  • the attachment position of the piezoelectric element is not limited to this example, and may be near the upper side or the lower side of the front surface 41.
  • the method of supporting the display window cover with respect to the main body is a method of bonding the peripheral part to the front surface in a liquid-tight manner, and providing a packing made of an elastic body at the peripheral part and bonding it to the main body A method may be considered.
  • the indicating member does not necessarily need to be an elastic body, and may be rigidly bonded or fitted to the main body. From the viewpoint of effectively transmitting the vibration of the display window cover due to the sound pressure to the piezoelectric element, it is desirable that the piezoelectric element is apart from the rigidly fixed point.
  • FIG. 5 shows a variation of a display window cover that can be used for a mobile phone.
  • Reference numeral 50 denotes a substantially flat display window cover having a piezoelectric element 51 near the lower side.
  • the vicinity of the lower edge of the display window cover is hidden behind the main unit and cannot be seen, so that the piezoelectric element does not disturb the display.
  • the mechanism for extracting sound pressure from the piezoelectric element as a voltage change is basically the same as that already described with reference to FIG.
  • Many more variants of the display window cover shape One example is that the display window is completely integrated with the body of the mobile phone.
  • the sounding body composed of the above-mentioned vibration element and display window cover that is, the combination of the display window cover-40 and the piezoelectric element 45 can be used as a sounding body, that is, as a force together with necessary electronic circuits. it can.
  • the piezoelectric element is deformed according to the voltage waveform applied to the piezoelectric element 45 from the drive circuit (not shown) via the conductive wire 44, and this deformation causes the entire display window cover 40 to vibrate and sound is generated. Done.
  • the combination of the display window cover 40 and the piezoelectric element 45 shown in the preferred embodiment illustrated in FIG. 4 is extremely efficient as a conversion element from electric energy to mechanical energy. This is because the piezoelectric element is provided at the position of the cantilever projecting from the support member 43 and vibrates.
  • the display window cover 40 as a microphone and at the same time as a speaker. If the user inputs sound while oscillating as a speaker, the piezoelectric element is obtained from the electromotive force of the piezoelectric element input to the input circuit, that is, information indicating the deformation of the display window cover. By subtracting the drive current input to the piezoelectric element from the drive circuit, the input wave and the output wave can be separated.
  • a piezoelectric element for converting sound pressure into current as a microphone and a piezoelectric element capable of converting current to mechanical vibration as a speaker may be separate. In this case, it goes without saying that it is connected to the necessary electrical circuits.
  • the piezoelectric vibrator 67 has rectangular thin electrodes 62 and 63 formed on both main surfaces of a rectangular piezoelectric plate 69, and is slightly larger than the piezoelectric plate 69 to achieve similar conductivity. It has a configuration in which one electrode 62 is attached to a vibration plate 65, and another example of a suitable piezoelectric element is shown here. The difference from the embodiment shown in FIG. 4 is that only a part of the piezoelectric element vibrating part 68 is attached to the display window cover 40 via the adhesive member 66, and the piezoelectric element vibrating part Most of 8 is that it is supported in a hollow cantilever shape.
  • a gap corresponding to the thickness of the bonding member 66 is provided between the hollow supported portion of the piezoelectric element vibrating section 68 and the display window cover 40.
  • the piezoelectric element vibrating part 68 can be attached to an adhesive member alone, or it can be mechanically supplemented by attaching it to a thin metal or other vibrating plate with relatively large deformability. You can also strengthen it.
  • FIG. 7a shows another embodiment.
  • two parallel grooves or thin portions are formed in the housing, for example, at positions corresponding to the back side of the display section 70, and the grooves at least partially form the periphery.
  • Piezoelectric elements are installed in the divided area. Due to the presence of the groove, the partitioned area is likely to vibrate due to deformation of the piezoelectric element, and the vibration transmitted to the entire housing when the partitioned area vibrates is reduced, so that high sound quality and A loud sound can be obtained.
  • a thin portion is provided in a part of the housing of the electronic device, and a piezoelectric element is provided in the thin portion.
  • the piezoelectric element is easily vibrated, and at the same time, transmission of the vibration to the entire housing is suppressed, so that high sound quality and large volume sound can be generated. become.
  • the display window cover 40 can also be used as a means for inputting information other than voice. That is, when the display window cover is pressed with a finger or the like, the display window cover is deformed, and this deformation can be taken out as a voltage via the piezoelectric element.
  • Deformation when the display window is directly pressed with a finger or the like generally has a much larger amplitude and a different frequency characteristic than that caused by sound waves. Therefore, it is possible to separate the electromotive force due to sound pressure and the electromotive force due to pressing by combining filters with appropriate frequency selectivity.
  • the display window cover can be vibrated at a low frequency with a piezoelectric element to be used as a vibrator.
  • the material of the display window cover can be appropriately selected from polycarbonate, polyethylene, polyurethane, polyvinyl chloride, acrylic resin, glass and the like. Further, the piezoelectric element, AD P, L i Nb 0 3, L i T a0 3, B a 2 N a N b 3 0 1 5, Z nO, C d S, B ii 2 G e 0 2.
  • Single crystalline piezoelectric element which is either a, B a T i 0 3 system, PZG - 5, PZG - P b (Mg 1/3 Nb 2/3) 0 3, PZG- I n (L i 3/5 W 2/5) 0 3, PZ GP b (S n 1/2 S b 1/2) 0 3, (P b, n d) (T i, M n, T n) 0 3, PVF 2, P b T i 0 3 based ceramic Dzukusu piezoelectric element is either a polymer piezoelectric element is a PVF 2 or rubber / PZT, and, those selected from Z n / 0, a 1 n / a 1 2 0 3 thin film And a piezoelectric element which is a composition represented by the following chemical formula.
  • R is T i 4 + , Nb 5 + , T a 5 + ,
  • x is an integer of 2 or more.
  • FIG. 7 is a perspective view showing a mobile phone equipped with a display device provided with a piezoelectric element according to another embodiment of the present invention.
  • a housing 100 manufactured by molding a thin metal plate or a synthetic resin plate has a substantially rectangular parallelepiped shape, and a rectangular display window 1229 is formed on the front side to form an interior.
  • a number of buttons displaying numbers, letters, and specific functions are arranged in a matrix in a part other than the display window on the front side.
  • An antenna 111 protrudes from the top end of the housing 100 in the longitudinal direction, and a transmitter 109 is provided near the lower end.
  • a connector 113 used for connection to an external power supply is provided on a side surface of the housing 100.
  • a slightly larger light-transmitting diaphragm 135 having almost the same shape as the opening provided in the housing is provided inside the housing 100, as shown in FIG.
  • the liquid crystal display element 103 is provided inside thereof so that the surfaces of the liquid crystal display element 103 and the surface thereof coincide with each other.
  • This liquid crystal display element 103 has a color or monochromatic display function such as a TFT type or a DTN type and displays a plurality of character strings and images.
  • a circuit board 13 provided in a case is provided. 1 and is electrically connected to and driven.
  • the liquid crystal display element 103 is made of, for example, a polycarbonate resin plate or an acrylic resin plate that is light-transmitting through a thin spacer 133 mounted on the end thereof.
  • a rectangular diaphragm 135 with a length of about 60 mm and a width of about 40 mm is overlapped, and the periphery of the diaphragm 135 is slightly outward from the edge of the opening 127. It protrudes and closes the opening. Therefore, the diaphragm has a structure that closes the opening of the housing and allows the liquid crystal display element housed inside the housing to be viewed at the same time.
  • FIG. 10 is a drawing in which the front and back sides are reversed as compared with FIG.
  • the piezoelectric element 1337 has rectangular thin electrode plates 141 and 143 attached to both sides of the rectangular piezoelectric element, and has a slightly higher conductivity than the piezoelectric element. It has a structure formed by attaching one electrode 1 4 1 to the conductive diaphragm 1 4 5 The surface of the conductive diaphragm 145 that is not attached to the piezoelectric element is attached to the diaphragm.
  • a slight gap of about several micrometers is provided between the piezoelectric element 1337 and the display surface of the liquid crystal display element 3. Also, it is desirable to secure a small gap between the diaphragm 135 and the housing 100 by providing a spacer or the like. At least it is desirable not to completely bond the diaphragm.
  • the electrode plates 141, 143 are attached to the piezoelectric element to conduct conductive vibration. It is also possible to omit the plate 145 and directly attach it to the diaphragm 135.
  • the circuit board 1311 described above is provided with a key 105, an antenna 111, a connector 113, and the like in addition to the liquid crystal display element 103, and electronic circuits such as a drive circuit for driving them.
  • the circuit is mounted.
  • a drive current flows from the drive circuit formed on the circuit board 13 1 to the piezoelectric vibrating element 13 7, the piezoelectric element 13 7 bends and vibrates the vibrating plate 13 5, generating sound from the vibrating plate 13 5 I do.
  • the display device of the device configured in this manner is provided with a liquid crystal display element 103 inside a housing 100 of a mobile phone provided with a display portion 129 so as to overlap an opening, and a display surface thereof.
  • a light-transmitting vibrating plate 135 is provided at an interval on the side, and a piezoelectric element 133 is attached near the end of the vibrating plate 135, and a structure in which the piezoelectric element is covered by a part of the housing.
  • a low-range sound pressure level can be ensured, and a natural frequency characteristic that is not particularly emphasized in the high-range sound can be obtained.
  • the entire diaphragm constituting the display window vibrates, it is easier to put on the ear and hear more easily than the conventional sounding body having a diameter of about 1 cm.
  • a high sound pressure level can be ensured by the diaphragm, it is not necessary to separately provide a sound generating element for generating a ring tone, so that the number of parts and the space can be further reduced.
  • the piezoelectric element can be manufactured by simply pasting the piezoelectric element to the diaphragm constituting the display window, so that the assembly is simple, the manufacturing process is simplified, and the reliability is improved. Can contribute on.
  • the configuration is such that the piezoelectric element is covered by the housing.
  • the present invention is not limited to this configuration, and there is no particular problem even if the piezoelectric element has a structure in which the piezoelectric element can be seen through a transparent diaphragm. . Further, if a light transmitting material is used for the piezoelectric element and the electrode plate, the liquid crystal display device can be visually observed without any trouble.
  • the piezoelectric element 1337 was attached to the antenna side of the diaphragm 135, but the present invention is not limited to this, and as shown in FIG. May be provided on the side of. Alternatively, it can be attached to other positions as described above.
  • a slight gap around the diaphragm that constitutes the display window is effective in not suppressing vibration, but for that purpose it is necessary to support the diaphragm at several points at about four places. Preferably, even when supported over the entire circumference, good sounding can be performed by supporting with an elastically deformable member.
  • Industrial Applicability The configuration and functions of the display window having a voice input / output function based on the present invention have been described above using a mobile phone as an example, but the scope of the present invention is limited to a mobile phone. Instead, the present invention can be applied to various display devices such as game machines, display panels such as ATMs, computers, and power navigation devices.

Abstract

L'invention concerne un appareil, p. ex. un téléphone portatif, qui comprend un écran d'affichage muni d'une fonction de microphone et de haut parleur, si bien que la face avant de l'appareil peut être utilisée largement comme écran d'affichage. La fenêtre d'affichage comprend un diaphragme de transmission de la lumière, un élément de support du diaphragme, un élément piézoélectrique fixé au diaphragme, et un amplifficateur d'entrée-sortie pour l'élément piézoélectrique. La fenêtre d'affichage comprend une fonction d'entrée-sortie vocale adaptée de sorte qu'une vibration provoquée par une pression sonore exercée sur le diaphragme est transmise à l'élément piézoélectrique; qu'une force électromotrice induite dans l'élément piézoélectrique est extraite en tant que forme d'onde de tension à travers un amplifficateur; que la forme d'onde de tension est entrée par le biais de l'amplificateur dans l'élément piézoélectrique, lequel est ainsi déformé; que la déformation est transmise, en tant que vibration, au diaphragme; et qu'un son est produit à partir de cela.
PCT/JP2001/007650 2000-09-04 2001-09-04 Fenetre d'affichage presentant une fonction d'entree-sortie WO2002021881A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002526155A JPWO2002021881A1 (ja) 2001-04-20 2001-09-04 音声入出力機能を有する表示窓
AU2001282620A AU2001282620A1 (en) 2000-09-04 2001-09-04 Display window having voice input/output function

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000266504A JP2004200729A (ja) 2000-09-04 2000-09-04 発音機能付き表示装置
JP2000-266504 2000-09-04
JP2001-122714 2001-04-20
JP2001122714 2001-04-20

Publications (1)

Publication Number Publication Date
WO2002021881A1 true WO2002021881A1 (fr) 2002-03-14

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Country Status (2)

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AU (1) AU2001282620A1 (fr)
WO (1) WO2002021881A1 (fr)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002164977A (ja) * 2000-11-28 2002-06-07 Nec Corp 電子装置
WO2004054317A1 (fr) * 2002-12-12 2004-06-24 Siemens Aktiengesellschaft Téléphone mobile à parties coulissantes et haut-parleur à onde de flexion
EP1475988A1 (fr) * 2002-02-15 2004-11-10 Sharp Kabushiki Kaisha Dispositif a carte son et appareil electronique dote de ce dispositif
WO2006003166A1 (fr) * 2004-07-02 2006-01-12 Siemens Aktiengesellschaft Dispositif audiovisuel
JP2006339834A (ja) * 2005-05-31 2006-12-14 National Institute Of Advanced Industrial & Technology スピーカ装置又はマイクロフォン装置
JP2007027811A (ja) * 2005-07-12 2007-02-01 Kenwood Corp 振動板を共用するイヤホンマイク
US7414951B2 (en) * 2001-05-29 2008-08-19 Nec Corporation Optical head device and optical recording and reproducing apparatus
US7916880B2 (en) 2004-06-30 2011-03-29 New Transducers Limited Transducer
WO2013039033A1 (fr) * 2011-09-13 2013-03-21 Kddi株式会社 Dispositif de communication
WO2013183191A1 (fr) 2012-06-05 2013-12-12 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 Dispositif de terminal mobile
JP2015012342A (ja) * 2013-06-26 2015-01-19 京セラ株式会社 電子機器
WO2015008601A1 (fr) * 2013-07-18 2015-01-22 京セラ株式会社 Appareil électronique
JP5676043B1 (ja) * 2013-10-28 2015-02-25 Ｎｅｃトーキン株式会社 音響を発生させる装置
KR101554978B1 (ko) * 2013-06-04 2015-09-24 한국전기연구원 대면적 후막형 투명 압전 단결정 소자와 투명 태양전지를 이용한 건물 창호용 하이브리드 에너지 하베스팅 장치
US9729971B2 (en) 2012-06-29 2017-08-08 Rohm Co., Ltd. Stereo earphone
US9980024B2 (en) 2011-02-25 2018-05-22 Rohm Co., Ltd. Hearing system and finger ring for the hearing system
US10013862B2 (en) 2014-08-20 2018-07-03 Rohm Co., Ltd. Watching system, watching detection device, and watching notification device
US10075574B2 (en) 2013-08-23 2018-09-11 Rohm Co., Ltd. Mobile telephone
US10079925B2 (en) 2012-01-20 2018-09-18 Rohm Co., Ltd. Mobile telephone
US10103766B2 (en) 2013-10-24 2018-10-16 Rohm Co., Ltd. Wristband-type handset and wristband-type alerting device
US10356231B2 (en) 2014-12-18 2019-07-16 Finewell Co., Ltd. Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit
US10778824B2 (en) 2016-01-19 2020-09-15 Finewell Co., Ltd. Pen-type handset
US10779075B2 (en) 2010-12-27 2020-09-15 Finewell Co., Ltd. Incoming/outgoing-talk unit and incoming-talk unit
US10795321B2 (en) 2015-09-16 2020-10-06 Finewell Co., Ltd. Wrist watch with hearing function
US10967521B2 (en) 2015-07-15 2021-04-06 Finewell Co., Ltd. Robot and robot system
US11526033B2 (en) 2018-09-28 2022-12-13 Finewell Co., Ltd. Hearing device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5286198A (en) * 1976-01-13 1977-07-18 Kouichirou Sakata Method of manufacturing anisotropic ferroodielectric ceramic with layer structure containing bismuth
JPS54109824A (en) * 1978-02-17 1979-08-28 Matsushima Kogyo Kk Speaker
JPS554428U (fr) * 1978-06-22 1980-01-12
JPS5679986A (en) * 1979-12-04 1981-06-30 Citizen Watch Co Ltd Buzzer for electronic timepiece
JPS5780898A (en) * 1980-11-07 1982-05-20 Hitachi Ltd Piezoelectric ceramic transducer
JPH02125678A (ja) * 1988-11-04 1990-05-14 Toyota Motor Corp 圧電セラミック素子
JPH11146491A (ja) * 1997-11-05 1999-05-28 Mitsubishi Materials Corp 電気機械変換部品
JP2000152385A (ja) * 1998-11-13 2000-05-30 Nec Corp 圧電振動板および圧電スピーカ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5286198A (en) * 1976-01-13 1977-07-18 Kouichirou Sakata Method of manufacturing anisotropic ferroodielectric ceramic with layer structure containing bismuth
JPS54109824A (en) * 1978-02-17 1979-08-28 Matsushima Kogyo Kk Speaker
JPS554428U (fr) * 1978-06-22 1980-01-12
JPS5679986A (en) * 1979-12-04 1981-06-30 Citizen Watch Co Ltd Buzzer for electronic timepiece
JPS5780898A (en) * 1980-11-07 1982-05-20 Hitachi Ltd Piezoelectric ceramic transducer
JPH02125678A (ja) * 1988-11-04 1990-05-14 Toyota Motor Corp 圧電セラミック素子
JPH11146491A (ja) * 1997-11-05 1999-05-28 Mitsubishi Materials Corp 電気機械変換部品
JP2000152385A (ja) * 1998-11-13 2000-05-30 Nec Corp 圧電振動板および圧電スピーカ

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7305248B2 (en) 2000-11-28 2007-12-04 Nec Corporation Electronic device
JP2002164977A (ja) * 2000-11-28 2002-06-07 Nec Corp 電子装置
US7414951B2 (en) * 2001-05-29 2008-08-19 Nec Corporation Optical head device and optical recording and reproducing apparatus
US7715296B2 (en) 2001-05-29 2010-05-11 Nec Corporation Optical head device and optical recording and reproducing apparatus
EP1475988A4 (fr) * 2002-02-15 2009-06-03 Sharp Kk Dispositif a carte son et appareil electronique dote de ce dispositif
US7876916B2 (en) 2002-02-15 2011-01-25 Sharp Kabushiki Kaisha Card-type sound apparatus and electronic appliance provided therewith
EP1475988A1 (fr) * 2002-02-15 2004-11-10 Sharp Kabushiki Kaisha Dispositif a carte son et appareil electronique dote de ce dispositif
WO2004054317A1 (fr) * 2002-12-12 2004-06-24 Siemens Aktiengesellschaft Téléphone mobile à parties coulissantes et haut-parleur à onde de flexion
US7590436B2 (en) 2002-12-12 2009-09-15 Palm, Inc. Slider mobile telephone comprising a bending wave loudspeaker
US7916880B2 (en) 2004-06-30 2011-03-29 New Transducers Limited Transducer
JP2008504766A (ja) * 2004-07-02 2008-02-14 シーメンス　アクチエンゲゼルシヤフト オーディオビジュアル装置
WO2006003166A1 (fr) * 2004-07-02 2006-01-12 Siemens Aktiengesellschaft Dispositif audiovisuel
JP2006339834A (ja) * 2005-05-31 2006-12-14 National Institute Of Advanced Industrial & Technology スピーカ装置又はマイクロフォン装置
JP4630998B2 (ja) * 2005-05-31 2011-02-09 独立行政法人産業技術総合研究所 スピーカ装置又はマイクロフォン装置
JP4555741B2 (ja) * 2005-07-12 2010-10-06 株式会社ケンウッド 振動板を共用するイヤホンマイク
JP2007027811A (ja) * 2005-07-12 2007-02-01 Kenwood Corp 振動板を共用するイヤホンマイク
US10779075B2 (en) 2010-12-27 2020-09-15 Finewell Co., Ltd. Incoming/outgoing-talk unit and incoming-talk unit
US9980024B2 (en) 2011-02-25 2018-05-22 Rohm Co., Ltd. Hearing system and finger ring for the hearing system
US9350837B2 (en) 2011-09-13 2016-05-24 Kddi Corporation Communication device using a transducer to apply bending vibration to a contact member
JP2013255212A (ja) * 2011-09-13 2013-12-19 Kddi Corp 通話装置
WO2013039033A1 (fr) * 2011-09-13 2013-03-21 Kddi株式会社 Dispositif de communication
US10158947B2 (en) 2012-01-20 2018-12-18 Rohm Co., Ltd. Mobile telephone utilizing cartilage conduction
US10079925B2 (en) 2012-01-20 2018-09-18 Rohm Co., Ltd. Mobile telephone
US10778823B2 (en) 2012-01-20 2020-09-15 Finewell Co., Ltd. Mobile telephone and cartilage-conduction vibration source device
WO2013183191A1 (fr) 2012-06-05 2013-12-12 Ｎｅｃカシオモバイルコミュニケーションズ株式会社 Dispositif de terminal mobile
US9729971B2 (en) 2012-06-29 2017-08-08 Rohm Co., Ltd. Stereo earphone
US10834506B2 (en) 2012-06-29 2020-11-10 Finewell Co., Ltd. Stereo earphone
US10506343B2 (en) 2012-06-29 2019-12-10 Finewell Co., Ltd. Earphone having vibration conductor which conducts vibration, and stereo earphone including the same
KR101554978B1 (ko) * 2013-06-04 2015-09-24 한국전기연구원 대면적 후막형 투명 압전 단결정 소자와 투명 태양전지를 이용한 건물 창호용 하이브리드 에너지 하베스팅 장치
JP2015012342A (ja) * 2013-06-26 2015-01-19 京セラ株式会社 電子機器
WO2015008601A1 (fr) * 2013-07-18 2015-01-22 京セラ株式会社 Appareil électronique
JP2015023368A (ja) * 2013-07-18 2015-02-02 京セラ株式会社 電子機器
US10075574B2 (en) 2013-08-23 2018-09-11 Rohm Co., Ltd. Mobile telephone
US10237382B2 (en) 2013-08-23 2019-03-19 Finewell Co., Ltd. Mobile telephone
US10103766B2 (en) 2013-10-24 2018-10-16 Rohm Co., Ltd. Wristband-type handset and wristband-type alerting device
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US9743166B2 (en) 2013-10-28 2017-08-22 Tokin Corporation Device generating sound
WO2015064421A1 (fr) * 2013-10-28 2015-05-07 Ｎｅｃトーキン株式会社 Générateur de son
JP5676043B1 (ja) * 2013-10-28 2015-02-25 Ｎｅｃトーキン株式会社 音響を発生させる装置
US10380864B2 (en) 2014-08-20 2019-08-13 Finewell Co., Ltd. Watching system, watching detection device, and watching notification device
US10013862B2 (en) 2014-08-20 2018-07-03 Rohm Co., Ltd. Watching system, watching detection device, and watching notification device
US10356231B2 (en) 2014-12-18 2019-07-16 Finewell Co., Ltd. Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit
US10848607B2 (en) 2014-12-18 2020-11-24 Finewell Co., Ltd. Cycling hearing device and bicycle system
US11601538B2 (en) 2014-12-18 2023-03-07 Finewell Co., Ltd. Headset having right- and left-ear sound output units with through-holes formed therein
US10967521B2 (en) 2015-07-15 2021-04-06 Finewell Co., Ltd. Robot and robot system
US10795321B2 (en) 2015-09-16 2020-10-06 Finewell Co., Ltd. Wrist watch with hearing function
US10778824B2 (en) 2016-01-19 2020-09-15 Finewell Co., Ltd. Pen-type handset
US11526033B2 (en) 2018-09-28 2022-12-13 Finewell Co., Ltd. Hearing device

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