JPH05176498A - Vibration generating device - Google Patents
Vibration generating deviceInfo
- Publication number
- JPH05176498A JPH05176498A JP36110391A JP36110391A JPH05176498A JP H05176498 A JPH05176498 A JP H05176498A JP 36110391 A JP36110391 A JP 36110391A JP 36110391 A JP36110391 A JP 36110391A JP H05176498 A JPH05176498 A JP H05176498A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic body
- magnetic
- coil
- ring
- disc
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明装置は、小型の携帯用電話
器（ポケットベルと呼称されているもの）に付設され
て、電話の呼び出しベルの音の代りに振動をすることに
より電話の呼び出しがあったことを報知する振動体とし
て利用されるものである。特に偏平なポケットベルに利
用される。BACKGROUND OF THE INVENTION The device of the present invention is attached to a small-sized portable telephone (which is called a pager) to call a telephone by vibrating instead of the sound of a telephone ringing bell. It is used as a vibrating body for notifying that there is. Especially used for flat pagers.
【従来の技術】小型の直流電動機の回転子を回転軸に関
してアンバランスとし、電話の呼び出し信号に対応して
回転子を回転し、その振動を感知して呼び出し信号のあ
ることを知る技術は周知である。2. Description of the Related Art A technique is known in which a rotor of a small DC motor is unbalanced with respect to an axis of rotation, the rotor is rotated in response to a call signal from a telephone, and its vibration is sensed to know that there is a call signal. Is.
【０００２】[0002]
【発明が解決しようとする課題】従来の技術は振動する
電動機の径が大きいか若しくは長さが大きく、ポケット
ベルの小型化と偏平化に追随することができない。特に
厚さが５ミリメートル位の偏平な形状のポケットベルに
利用できるものは開発されていない。In the prior art, the oscillating electric motor has a large diameter or a large length and cannot keep up with the miniaturization and flattening of the pager. In particular, no one that can be used for a flat pager having a thickness of about 5 mm has been developed.
【０００３】[0003]
【課題を解決するための手段】円板状の偏平な磁性体
と、該磁性体の中央に突出された磁性体円柱ならびにそ
の外周部の同心の位置に突出された同じ高さの磁性体円
環により作られたつぼ型コアならびにその外周部に突出
された所定値の高さの外側円環と、前記した同じ高さの
磁性体円柱と円環の中間の空隙に捲回されたコイルと、
磁件体円環の外経と同じ経の偏平な円板状の磁性体と、
該円板状の磁性体が中央部に貼着されるとともに外周部
が前記した外側円環の上面に固着され、円板状磁性体面
を僅かな空隙を介して前記した磁性体円柱と円環面に対
向して保持する弾性体薄板と、前記したコイルに所定の
周波数の電気パルス信号を通電して磁性体円板を共振し
て振動せしめる通電制御回路と、ポケットベルの外筺に
設けた円孔外周の内側に前記した外側円環の上端と弾性
体薄板の外周部を固着する手段とより構成されたもので
ある。DISCLOSURE OF THE INVENTION A disk-shaped flat magnetic body, a magnetic body cylinder protruding in the center of the magnetic body, and a magnetic circle of the same height protruding in a concentric position on its outer peripheral portion. A pot-shaped core made of a ring and an outer ring having a predetermined height protruding from the outer periphery of the core, and a coil wound in the space between the magnetic cylinder having the same height and the ring described above. ,
A flat disk-shaped magnetic body of the same diameter as the outer diameter of the magnetic body ring,
The disc-shaped magnetic body is adhered to the central portion and the outer peripheral portion is fixed to the upper surface of the outer ring, and the disc-shaped magnetic body surface and the magnetic body cylinder and the ring are formed through a slight gap. An elastic thin plate held opposite to the surface, an energization control circuit for energizing the coil with an electric pulse signal of a predetermined frequency to resonate and vibrate the magnetic disc, and a pager outer casing are provided. The upper end of the outer ring and the outer peripheral portion of the elastic thin plate are fixed to the inside of the outer circumference of the circular hole.
【０００４】[0004]
【作用】図１に４倍図の断面が示されている。この構成
より理解されるように、コイル５に所定の周波数の電気
パルス信号を通電することにより、磁性体円板３は上下
に共振して振動する。従って大きい振巾の振動を行なう
ことができる。磁性体円板を貼着した円板状の弾性体薄
板の外周部は、円環状の突出部４ｃの上端とともにポケ
ットベルの外筺１ａの円形空羽外側部の内側に固定され
る。従って磁性体円板３の上下の大きい振巾でも、これ
が外筺１ａに衝合することが避けられる作用がある。上
述した構成より理解されるように、ポケットベルの外筺
の厚さが５ミリメートル位の偏平なものでも、その内部
に呼び出し信号により振動してこれを人体で感知する本
発明装置を収納できる。従って上述した課題を解決する
作用がある。The cross section of the quadruple diagram is shown in FIG. As understood from this configuration, when the coil 5 is energized with an electric pulse signal having a predetermined frequency, the magnetic disk 3 resonates vertically and vibrates. Therefore, vibration with a large amplitude can be performed. The outer peripheral portion of the disk-shaped elastic thin plate to which the magnetic disk is attached is fixed to the inner side of the outer side of the circular wing of the outer casing 1a of the pager together with the upper end of the annular protrusion 4c. Therefore, even with a large swing above and below the magnetic disk 3, there is an effect that it can be prevented from colliding with the outer casing 1a. As can be understood from the above-mentioned structure, even if the outer casing of the pager has a flat thickness of about 5 mm, the device of the present invention can be housed therein, which vibrates according to a calling signal and is sensed by the human body. Therefore, there is an action for solving the above-mentioned problems.
【０００５】[0005]
【実施例】図１以降につき実施例により本発明の詳細を
説明する。各図面の同一記号のものは同一部材を示して
いる。図１において、記号１ａ，１ｂはポケットベルの
上下の外筺の１部を示している。図１，図２，図３は断
面図と平面図で４倍図を示している。ポケットベルの厚
さは最も偏平な厚さ５ミリメートルのものを実施例とし
て説明する。コイル５が捲回された平板状の磁性体４は
軟鋼若しくはソフトフエライトで作られ、円板状でその
中央部には円柱４ａが突出される。円柱４ａと同心に円
環状の突出部４ｂが作られ、円柱４ａと円環４ｂとの間
の空隙にはコイル５が捲回される。以上の説明より判る
ように偏平なつぼ型コアが構成されるものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described with reference to FIG. The same symbols in the drawings indicate the same members. In FIG. 1, symbols 1a and 1b indicate parts of upper and lower outer casings of the pager. 1, FIG. 2, and FIG. 3 show a quadruple diagram in a sectional view and a plan view. The thickness of the pager, which is the flattest thickness of 5 mm, will be described as an example. The flat plate-shaped magnetic body 4 around which the coil 5 is wound is made of mild steel or soft ferrite, and has a disk shape, and a column 4a is projected at the center thereof. An annular protrusion 4b is formed concentrically with the cylinder 4a, and a coil 5 is wound around the space between the cylinder 4a and the circle 4b. As can be seen from the above description, a flat vase type core is constructed.
【０００６】円環４ｂの外側には円環４ｃが突出して作
られ、その空孔には外筐１ａより内側に突出したピン６
ａ，６ｃが圧入される。平板状の磁性体４が軟鋼の場合
には切削加工により上述した構成とすることができる。
ソフトフエライトの場合には焼結により作ることができ
る。平板状の磁性体４は偏平な円板状に作られ、図１を
矢印Ａ方向よりみた平面図が図２に示される。図２にお
いて、円柱４ａの外側には同心に円環４ｂが突出して作
られ、その外周には円環４ｃが突出して作られ、図１の
ピン６ａ，６ｃ及び図示しないピン２本の圧入される空
孔が記号７ａ，７ｂ，…として示されている。点線Ｃの
断面が図１に示されているものである。An annular ring 4c is formed so as to project outside the annular ring 4b, and a pin 6 projecting inward from the outer casing 1a is formed in the hole thereof.
a and 6c are press-fitted. When the flat plate-shaped magnetic body 4 is mild steel, the above-described configuration can be obtained by cutting.
In the case of soft ferrite, it can be made by sintering. The flat plate-shaped magnetic body 4 is formed in a flat disk shape, and a plan view of FIG. 1 viewed in the direction of arrow A is shown in FIG. In FIG. 2, a circular ring 4b is concentrically projected outside the cylinder 4a, and a circular ring 4c is projected around the outer circumference thereof. The pins 6a, 6c of FIG. The vacant holes are shown as symbols 7a, 7b, .... The cross section along the dotted line C is shown in FIG.
【０００７】図１において、薄い鋼板で作られた円形の
弾性体薄板２の中央部の裏面には円形の軟鋼板３が貼着
され、その経は円環４ｂの外経と等しくされる。弾性体
薄板２は周知の他の弾性体で作ることもできる。弾性体
薄板２の外周は、円環４ｃの上面に貼着され、前記した
ピン６ａ，６ｃ，…により外筺１ａの円孔１ｄの外周部
の内側に固着されている。図１を矢印Ｂ方向よりみた弾
性体薄板２の平面図が図３に示される。In FIG. 1, a circular soft steel plate 3 is attached to the back surface of the central portion of a circular elastic thin plate 2 made of a thin steel plate, and its warp is made equal to the outer diameter of the circular ring 4b. The elastic thin plate 2 can be made of other known elastic bodies. The outer periphery of the elastic thin plate 2 is attached to the upper surface of the circular ring 4c, and is fixed inside the outer peripheral portion of the circular hole 1d of the outer casing 1a by the pins 6a, 6c ,. FIG. 3 is a plan view of the elastic thin plate 2 as viewed in the direction of arrow B in FIG.
【０００８】図３において、プレス加工により、外周円
環と中央部の円板２−１が３個の連結部２ａ，２ｂ，２
ｃで連結された弾性体薄板２が作られる。円板２−１の
上面には図１の軟鋼円板３が貼着されている。外周円環
には空孔８ａ，８ｂ，…が設けられて図１のピン６ａ，
６ｃ…が貫挿する。連結部２ａ，２ｂ，２ｃの中央部は
図１に示すように上方に屈折突出されている。点線Ｄの
断面が図１に示されている。図１に示すように軟鋼板３
は空隙を介して円柱４ａ，、円環４ｂの上端と対向し、
円柱４ａと円環４ｂの上面端部は同一平面内にあるよう
に同じ高さとなっている。In FIG. 3, by press working, the outer ring and the central disk 2-1 have three connecting portions 2a, 2b, 2
The elastic thin plates 2 connected by c are made. The mild steel disc 3 of FIG. 1 is attached to the upper surface of the disc 2-1. Holes 8a, 8b, ... Are provided in the outer circumferential ring, and the pins 6a,
6c ... inserts. The central portions of the connecting portions 2a, 2b, 2c are bent and projected upward as shown in FIG. A cross section along the dotted line D is shown in FIG. As shown in FIG. 1, mild steel plate 3
Is opposed to the upper ends of the cylinder 4a and the circular ring 4b through a gap,
The upper end portions of the cylinder 4a and the circular ring 4b have the same height so that they are in the same plane.
【０００９】図２，図３の空孔７ａ，７ｂ，…と空孔８
ａ，８ｂ，…を合致させて弾性体薄板２の外周を円環４
ｃの上端に貼着して１体化したものを、外筺１ａより突
出したピン６ａ，６ｃ，…に圧入したものが本発明装置
である。異物の侵入等による弾性体薄板２の損傷を防止
する為に、図１の点線１ｃで示すように外筺円孔１ｄに
カバーを設けることができる。次にコイル５の通電制御
手段を説明する。The holes 7a, 7b, ... And the holes 8 shown in FIGS.
The outer circumference of the elastic thin plate 2 is made into a ring 4 by matching a, 8b, ...
The device of the present invention is one in which the device is attached to the upper end of c and integrated into one and press-fitted into the pins 6a, 6c, ... In order to prevent damage to the elastic thin plate 2 due to entry of foreign matter, a cover can be provided in the outer casing circular hole 1d as shown by a dotted line 1c in FIG. Next, the energization control means of the coil 5 will be described.
【００１０】図４において、電源と増幅回路を含んだ反
転回路が記号１０ａ，１０ｂ，１０ｃとして示され、こ
れ等の左側のハイレベルの入力信号により出力信号はロ
ーレベルとなり、又ローレベルの入力信号のときには出
力信号がハイレベルとなる。点線Ｆで囲んだ回路は周知
のマルチバイブレータを示すもので、コンデンサ１１に
直列に接続した可変抵抗１２を変更することにより発振
周波数を変更することができる。マルチバイブレータＦ
の出力電気パルス信号が図５のタイムチャートにおいて
曲線１４ａ，１４ｂ，…として示され、矩形波の等しい
巾で等しい離間角の電気信号となっている。曲線１４
ａ，１４ｂ，…の電気パルス信号をトランジスタ１３の
ベース入力とすると、コイル５には、図１に示すコイル
５の導出端子１６ａ，１６ｂを介して、直流電源正負端
子９ａ，９ｂより対応した巾と周波数の通電が行なわれ
る。単安定回路Ｅを介してトランジスタ１３のベース入
力電気信号を得るようにすると、電気パルス信号は図５
の曲線１５ａ，１５ｂ，…で示すように電気パルス巾を
小さくすることができる。In FIG. 4, an inverting circuit including a power supply and an amplifier circuit is shown as symbols 10a, 10b and 10c, and a high level input signal on the left side thereof causes a low level output signal and a low level input. When it is a signal, the output signal becomes high level. The circuit surrounded by the dotted line F shows a well-known multivibrator, and the oscillation frequency can be changed by changing the variable resistor 12 connected in series to the capacitor 11. Multivibrator F
The output electric pulse signal of is shown as the curves 14a, 14b, ... In the time chart of FIG. 5, and is an electric signal having the same width and the same separation angle of the rectangular wave. Curve 14
When electric pulse signals of a, 14b, ... Are used as the base input of the transistor 13, the coil 5 has a corresponding width from the DC power source positive / negative terminals 9a, 9b via the lead terminals 16a, 16b of the coil 5 shown in FIG. And the frequency is energized. When the base input electric signal of the transistor 13 is obtained through the monostable circuit E, the electric pulse signal is as shown in FIG.
The electric pulse width can be reduced as shown by the curves 15a, 15b ,.
【００１１】図１のコイル５に上述した通電を行ない、
その周波数を弾性体薄板２の自由振動の周波数と合致す
るように可変抵抗１２を調整すると共振状態となり大き
い振巾の振動が得られ効率も良好となる。図４の発振回
路は周知の他の手段を採用することもできる。図５の曲
線１５ａ，１５ｂ，…の電気パルス信号に対応してコイ
ル５を通電すると、そのパルス巾の時間だけ図１の軟鋼
板３が吸引されるので下方に移動する。この移動区間内
でのみ通電されて反トルクの混入が防止される効果があ
る。図１の装置は偏平に構成されているので、偏平なポ
ケットベルに収納することができ、又外筐２ａに円孔１
ｃがあるので、大きい振幅の振動が許容される作用効果
がある。以上の理由により、呼び出し信号のあることを
確実に感知できる偏平なポケットベル用の振動発生装置
が得られるので本発明の目的が達成される。The coil 5 of FIG. 1 is energized as described above,
When the variable resistor 12 is adjusted so that its frequency matches the frequency of free vibration of the elastic thin plate 2, it becomes a resonance state and vibration with a large amplitude is obtained and efficiency is improved. The oscillator circuit shown in FIG. 4 can employ other known means. When the coil 5 is energized in response to the electric pulse signals of the curves 15a, 15b, ... Of FIG. 5, the mild steel plate 3 of FIG. There is an effect that the anti-torque is prevented from being mixed by being energized only in this moving section. Since the apparatus of FIG. 1 has a flat configuration, it can be stored in a flat pager, and the outer casing 2a has a circular hole 1
Since there is c, there is an effect that vibration of large amplitude is allowed. For the above reasons, a flat pager vibration generator capable of reliably detecting the presence of a ringing signal is obtained, and the object of the present invention is achieved.
【００１２】[0012]
【発明の効果】本発明装置は図１に４倍図となっている
ので小型で厚さが３ミリメートル位の偏平な振動する装
置が得られる。従って偏平なポケットベルに収納するこ
とができる効果がある。又電動機の構成より理解できる
ように、鉄損がなく効率が良好で、量産の容易な振動す
る装置が得られる効果がある。Since the device of the present invention has a quadruple view in FIG. 1, it is possible to obtain a small device having a flat vibration with a thickness of about 3 mm. Therefore, there is an effect that it can be stored in a flat pager. Further, as can be understood from the structure of the electric motor, there is an effect of obtaining a vibrating device which has no iron loss, is good in efficiency, and can be easily mass-produced.
【００１３】[0013]
【図１】本発明装置の断面図FIG. 1 is a sectional view of a device of the present invention.
【図２】偏平なコイル５を含む磁性体円板４の平面図FIG. 2 is a plan view of a magnetic disk 4 including a flat coil 5.
【図３】弾性体薄板２の平面図FIG. 3 is a plan view of the elastic thin plate 2.
【図４】コイル５の通電制御回路図FIG. 4 is a circuit diagram of a coil 5 energization control.
【図５】図４の通電制御回路の出力電気パルス信号のタ
イムチャート5 is a time chart of an output electric pulse signal of the energization control circuit of FIG.
【００１４】[0014]
１ａ，１ｂ 外筺 １ｃ カバー ２，２−１，２ａ，２ｂ，２ｃ 弾性体薄板 ３ 軟鋼円板 ４ 磁性体円板 ４ａ 円柱 ４ｂ，４ｃ 円環突出部 ５ コイル ６ａ，６ｃ，… 突出ピン ７ａ，７ｂ，…，８ａ，８ｂ，…，空孔 １６ａ，１６ｂ コイル５の導出端子 Ｆ 無安定マルチバイブレータ Ｅ 単安定マルチバイブレータ １４ａ，１４ｂ，…，１５ａ，１５ｂ，．．．電気パル
ス信号曲線1a, 1b Outer housing 1c Cover 2,2-1,2a, 2b, 2c Elastic thin plate 3 Mild steel disc 4 Magnetic disc 4a Cylinder 4b, 4c Annular protrusion 5 Coil 6a, 6c, ... Projection pin 7a, 7b, ..., 8a, 8b, ..., Hole 16a, 16b Derivation terminal of coil 5 F Astable multivibrator E Monostable multivibrator 14a, 14b, ..., 15a, 15b ,. ． ． Electric pulse signal curve
Claims (1)
に突出された磁性体円柱ならびにその外周部の同心の位
置に突出された同じ高さの磁性体円環により作られたつ
ぼ型コアならびにその外周部に突出された所定値の高さ
の外側円環と、前記した同じ高さの磁性体円柱と円環の
中間の空隙に捲回されたコイルと、磁性体円環の外経と
同じ経の偏平な円板状の磁性体と、該円板状の磁性体が
中央部に貼着されるとともに外周部が前記した外側円環
の上面に固着され、円板状磁性体面を僅かな空隙を介し
て前記した磁性体円柱と円環面に対向して保持する弾性
体薄板と、前記したコイルに所定の周波数の電気パルス
信号を通電して磁性体円板を共振して振動せしめる通電
制御回路と、ポケットベルの外筺に設けた円孔外周の内
側に前記した外側円環の上端と弾性体薄板の外周部を固
着する手段とより構成されたことを特徴とする振動発生
装置。1. A flat magnetic body in the form of a disc, a magnetic cylinder protruding in the center of the magnetic body, and a magnetic ring of the same height protruding in a concentric position on the outer periphery of the magnetic cylinder. Tatsubo-shaped core and an outer ring of a predetermined height protruding on the outer periphery of the core, a coil of the same height as described above, and a coil wound in the space between the rings of the magnetic body, and a magnetic body circle. A flat disc-shaped magnetic body having the same diameter as the outer diameter of the ring, and the disc-shaped magnetic body is attached to the central portion and the outer peripheral portion is fixed to the upper surface of the outer ring described above. Elastic thin plate holding the above-mentioned magnetic body surface facing the above-mentioned magnetic cylinder and the annular surface through a slight gap, and applying the electric pulse signal of a predetermined frequency to the above-mentioned coil to form the magnetic disk. An energization control circuit that resonates and vibrates, and the outer side inside the outer circumference of the circular hole provided in the outer casing of the pager. Vibration generator, characterized in that it is more structure and means for securing the outer peripheral portion of the upper end and the elastic body sheet rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36110391A JPH05176498A (en) | 1991-12-20 | 1991-12-20 | Vibration generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36110391A JPH05176498A (en) | 1991-12-20 | 1991-12-20 | Vibration generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05176498A true JPH05176498A (en) | 1993-07-13 |
Family
ID=18472214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36110391A Pending JPH05176498A (en) | 1991-12-20 | 1991-12-20 | Vibration generating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05176498A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258181A (en) * | 1997-03-18 | 1998-09-29 | Alps Electric Co Ltd | Operation device for game machine |
| JPH11164540A (en) * | 1997-11-28 | 1999-06-18 | Iwasaki Seiki:Kk | Electromagnetic vibrating device |
| WO1999034934A1 (en) * | 1998-01-08 | 1999-07-15 | Sanyo Electric Co., Ltd. | Alerting device and radio communication device having the alerting device |
| JP2001029888A (en) * | 1999-07-27 | 2001-02-06 | Iwasaki Seiki:Kk | Electromagnetic device and its drive circuit |
| JP2002192074A (en) * | 2000-12-27 | 2002-07-10 | Sanyo Electric Co Ltd | Vibrator control circuit |
| JP2003181376A (en) * | 2001-12-21 | 2003-07-02 | Matsushita Electric Ind Co Ltd | Vibratory linear actuator |
| JP2007090349A (en) * | 2006-12-27 | 2007-04-12 | Matsushita Electric Ind Co Ltd | Vibration linear actuator |
| CN103252312A (en) * | 2013-04-07 | 2013-08-21 | 清华大学 | Pen-shaped high-frequency vibrator driven by multiple groups of electromagnetic coils |
| US20180152090A1 (en) * | 2016-11-28 | 2018-05-31 | Minebea Mitsumi Inc. | Electronic device |
| JP2018088752A (en) * | 2016-11-28 | 2018-06-07 | ミネベアミツミ株式会社 | Vibration generating device and electronic apparatus |
| JP2018086623A (en) * | 2016-11-28 | 2018-06-07 | ミネベアミツミ株式会社 | Vibration generator and electronic apparatus |
| JP2020073279A (en) * | 2020-02-18 | 2020-05-14 | ミネベアミツミ株式会社 | Vibration generating device and electronic apparatus |
-
1991
- 1991-12-20 JP JP36110391A patent/JPH05176498A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258181A (en) * | 1997-03-18 | 1998-09-29 | Alps Electric Co Ltd | Operation device for game machine |
| JPH11164540A (en) * | 1997-11-28 | 1999-06-18 | Iwasaki Seiki:Kk | Electromagnetic vibrating device |
| WO1999034934A1 (en) * | 1998-01-08 | 1999-07-15 | Sanyo Electric Co., Ltd. | Alerting device and radio communication device having the alerting device |
| JP2001029888A (en) * | 1999-07-27 | 2001-02-06 | Iwasaki Seiki:Kk | Electromagnetic device and its drive circuit |
| JP2002192074A (en) * | 2000-12-27 | 2002-07-10 | Sanyo Electric Co Ltd | Vibrator control circuit |
| JP2003181376A (en) * | 2001-12-21 | 2003-07-02 | Matsushita Electric Ind Co Ltd | Vibratory linear actuator |
| JP2007090349A (en) * | 2006-12-27 | 2007-04-12 | Matsushita Electric Ind Co Ltd | Vibration linear actuator |
| CN103252312A (en) * | 2013-04-07 | 2013-08-21 | 清华大学 | Pen-shaped high-frequency vibrator driven by multiple groups of electromagnetic coils |
| JP2018086623A (en) * | 2016-11-28 | 2018-06-07 | ミネベアミツミ株式会社 | Vibration generator and electronic apparatus |
| US11043887B2 (en) | 2016-11-28 | 2021-06-22 | Minebea Mitsumi Inc. | Vibration generating device and electronic device |
| US20180152090A1 (en) * | 2016-11-28 | 2018-05-31 | Minebea Mitsumi Inc. | Electronic device |
| US11901788B2 (en) | 2016-11-28 | 2024-02-13 | Minebea Mitsumi Inc. | Vibration generating device and electronic device |
| US10715020B2 (en) | 2016-11-28 | 2020-07-14 | Minebea Mitsumi Inc. | Vibration generating device and electronic device |
| US10727726B2 (en) * | 2016-11-28 | 2020-07-28 | Minebea Mitsumi Inc. | Electronic device |
| US11031854B2 (en) | 2016-11-28 | 2021-06-08 | Minebea Mitsumi Inc. | Electronic device |
| JP2018088752A (en) * | 2016-11-28 | 2018-06-07 | ミネベアミツミ株式会社 | Vibration generating device and electronic apparatus |
| CN113395375A (en) * | 2016-11-28 | 2021-09-14 | 美蓓亚三美株式会社 | Vibration generating device and electronic apparatus having the same |
| US11831213B2 (en) | 2016-11-28 | 2023-11-28 | Minebea Mitsumi Inc. | Electronic device |
| US11476743B2 (en) | 2016-11-28 | 2022-10-18 | Minebea Mitsumi Inc. | Vibration generating device and electronic device |
| US11539278B2 (en) | 2016-11-28 | 2022-12-27 | Minebea Mitsumi Inc. | Electronic device |
| CN113395375B (en) * | 2016-11-28 | 2023-09-05 | 美蓓亚三美株式会社 | Vibration generating device and electronic device having the same |
| JP2021164923A (en) * | 2020-02-18 | 2021-10-14 | ミネベアミツミ株式会社 | Vibration generating device and electronic apparatus |
| JP2020073279A (en) * | 2020-02-18 | 2020-05-14 | ミネベアミツミ株式会社 | Vibration generating device and electronic apparatus |
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