JPH10117472A - Vibration generator for portable equipment - Google Patents
Vibration generator for portable equipmentInfo
- Publication number
- JPH10117472A JPH10117472A JP8270929A JP27092996A JPH10117472A JP H10117472 A JPH10117472 A JP H10117472A JP 8270929 A JP8270929 A JP 8270929A JP 27092996 A JP27092996 A JP 27092996A JP H10117472 A JPH10117472 A JP H10117472A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- elastic body
- vibration
- yoke
- coil
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ぺージャー（ポケ
ットベル）及び携帯可能な小型情報伝達装置に関し、よ
り詳しくは、ぺージャー、携帯電話、及び人体に振動を
伝えたり、音を鳴らしたりすることで情報を伝達する、
信号受信及び発信の機能を持つその他携帯機器における
振動発生装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pager and a portable small-sized information transmission device, and more particularly to transmitting a vibration or sound to a pager, a portable telephone, and a human body. Communicate information by
The present invention relates to a vibration generator in other portable devices having a function of receiving and transmitting signals.
【０００２】[0002]
【従来の技術】従来、振動を発生する機能を持つこの種
の小型情報伝達装置としては、取り分け普及率の高いぺ
ージャーが代表的なものとして挙げられるので、以下に
おいてぺージャーを中心に説明する。2. Description of the Related Art Conventionally, as this kind of small-sized information transmission device having a function of generating vibration, a pager with a particularly high penetration rate is typically mentioned, and the pager will be mainly described below. .
【０００３】ぺージャーは元来、電話による無線呼び出
し信号を内部受信機が受信すると、呼び出し音を発生さ
せて携帯者に電話の呼び出しがあったことを知らせてい
たが、音による呼び出しは周囲に迷惑をかけたり、連絡
の必要性を他人に知られてしまうという問題点があっ
た。その対策として、現在では音で知らせる以外に、振
動を発生させて携帯者に知らせる機能が備えられてお
り、発音と振動のいずれかの呼出信号を選択できるよう
になっている。 これらのぺージャーにおいて、身体に
感じる程度の振動を発生させる振動装置としては、従来
図１０に示すものが用いられている。図１０において、
１７は円筒形コアレスモータ、１９は回転軸、１８はタ
ングステン等の高比重合金より成る偏芯した分銅をそれ
ぞれ示し、円筒形コアレスモータ１７の端面に突出した
回転軸１９に分銅１８を取り付けて形成している。偏芯
分銅１８は部分円運動して偏芯振動させるために半円状
または扇板形状になっており、円筒形コアレスモータ１
７に通電されると、偏芯分銅１８が回転し、２次的に振
動を発生させるようになっている。[0003] Originally, the pager generated a ringing tone when the internal receiver received a radio call signal from the telephone to inform the wearer that the telephone call was made, but the sounding call was transmitted to the surroundings. There was a problem that it caused annoyance and the necessity of contact was known to others. As a countermeasure, a function of generating vibration and notifying the wearer is provided in addition to notifying by sound, and a calling signal of either sound generation or vibration can be selected. In these pagers, a vibration device shown in FIG. 10 is conventionally used as a vibration device for generating vibrations to the extent that the body feels. In FIG.
Reference numeral 17 denotes a cylindrical coreless motor, reference numeral 19 denotes a rotating shaft, reference numeral 18 denotes an eccentric weight made of a high specific metal such as tungsten, and is formed by attaching a weight 18 to a rotating shaft 19 protruding from an end surface of the cylindrical coreless motor 17. doing. The eccentric weight 18 is semicircular or fan-shaped in order to cause partial eccentric vibration by eccentric vibration.
When power is supplied to the eccentric 7, the eccentric weight 18 rotates to generate a secondary vibration.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら上記従来
の振動発生装置は、ぺージャー等の携帯用機器の小型化
の傾向に対して、以下のような課題を有する。However, the above-mentioned conventional vibration generating apparatus has the following problems with respect to the trend of miniaturizing portable devices such as pagers.
【０００５】（１）円筒形コアレスモータに偏芯分銅を
取り付けた構成では、回転軸に大きな負荷がかかるた
め、これ以上の小型化や長期使用の要請に十分応えきれ
ない。(1) In a configuration in which an eccentric weight is attached to a cylindrical coreless motor, a large load is applied to the rotating shaft, and it is not possible to sufficiently meet the demand for further downsizing and long-term use.
【０００６】また、この構成では偏芯分銅が回転軸から
抜けやすいという課題があり、品質管理に多大な時間を
費やして組み立てを行う必要がある。Further, in this configuration, there is a problem that the eccentric weight is easily detached from the rotating shaft, and it is necessary to spend a great amount of time for quality control on the assembly.
【０００７】（２）従来の構成では、音を発生する小型
スピーカーを別に必要とし、この小型スピーカと前記振
動発生装置が別々に組み込まれており、小型化の際の省
スペース化の障害となっている。(2) In the conventional configuration, a small speaker for generating sound is separately required, and this small speaker and the vibration generator are separately incorporated, which is an obstacle to space saving in downsizing. ing.
【０００８】上記課題を解決するものとして、特願平７
−２２８１３８号は、音による呼び出しと体感振動によ
る呼び出しの双方が可能な構成の振動発生装置を提供し
ているが、以下に挙げるような課題を残している。To solve the above problems, Japanese Patent Application No.
Japanese Patent Application No. 228138 provides a vibration generating device capable of both calling by sound and calling by bodily sensation, but has the following problems.
【０００９】（１）振動発生装置の内部で体感振動が発
生しているとき、時折不安定な自励振動により、振動し
ているヨーク部分が相対向している弾性体方向以外の方
向にも動いて枠体に当たり、異音を発生することがあ
る。(1) When the bodily sensation vibration is generated inside the vibration generating device, sometimes the self-excited vibration is unstable, so that the vibrating yoke part may be moved in a direction other than the direction of the elastic body in which the vibrating yoke portions face each other. It may move and hit the frame, generating abnormal noise.
【００１０】（２）振動発生装置を携帯機器に取付けた
とき、携帯機器がどの様な向きになっても、振動するヨ
ーク部分が滑らかに一方向に動かなければならないが、
この点不十分である。(2) When the vibration generator is mounted on a portable device, the vibrating yoke portion must move smoothly in one direction regardless of the orientation of the portable device.
This is not enough.
【００１１】（３）振動発生装置に外から力が加わった
とき、特に落下衝撃などが加わったとき等でも、振動す
るヨーク部分が同じく一方向に振動しなければならない
が、この点不十分である。(3) Even when a force is applied to the vibration generator from the outside, particularly when a drop impact or the like is applied, the vibrating yoke portion must also vibrate in one direction, but this point is insufficient. is there.
【００１２】従って本発明は、上記課題の解決を図るこ
とを目的とする。Accordingly, an object of the present invention is to solve the above-mentioned problems.
【００１３】[0013]
【課題を解決するための手段】上記課題を解決するため
に、本願の請求項１記載の発明は、１対の板状弾性体を
相対向するようにして枠体に支持させ、一方の板状弾性
体にはヨーク及び磁石を有する磁界発生体を取り付けて
第１の振動系を構成し、他方の板状弾性体にはコイルを
取り付けて第２の振動系を構成し、前記コイルを前記磁
界発生体の磁界内に配し、前記コイルに発振回路を通じ
て周波数の異なる電流を切り替え可能に与え、第１の振
動系又は第２の振動系を選択的に共振させて、それぞれ
の共振周波数の振動を発生させるよう構成し、かつ前記
第１の振動系を構成している板状弾性体が枠体の中心線
方向に振動するように構成され、枠体の内周面に、前記
ヨークの外周部と一定の間隔を設けて軟弾性体を配設し
たことを特徴とする携帯機器用振動発生装置に係るもの
である。According to a first aspect of the present invention, a pair of plate-like elastic members are supported by a frame so as to face each other, and one of the plate-like elastic members is supported by a frame. A first vibration system is configured by attaching a magnetic field generator having a yoke and a magnet to the plate-like elastic body, and a second vibration system is configured by attaching a coil to the other plate-like elastic body. It is arranged in a magnetic field of a magnetic field generator, and a current having a different frequency is switchably given to the coil through an oscillation circuit to selectively resonate the first vibration system or the second vibration system, and the resonance frequency of each resonance frequency is increased. The plate-like elastic body constituting the first vibration system is configured to generate vibration, and is configured to vibrate in the direction of the center line of the frame, and the yoke of the yoke is provided on the inner peripheral surface of the frame. The soft elastic body is arranged at a fixed distance from the outer periphery. Those of the vibration generator for portable equipment.
【００１４】上記発明によれば、コイル及び磁界発生体
を内蔵させるというコンパクトかつ軽量な構造でありな
がら、呼出音と体感振動という２種類の呼出信号を使い
分け自在に発生させることができ、又、装置本体がどの
ような向きであっても、あるいは落下衝撃等が加わって
も、ヨークが枠体内周面に配設した軟弾性体と接触する
ことによって、異音の発生を防止することができるとい
う作用を有する。According to the above-mentioned invention, two types of ringing signals, a ringing sound and a bodily sensation vibration, can be freely generated while having a compact and lightweight structure in which a coil and a magnetic field generator are incorporated. Irrespective of the orientation of the device body or the impact of a drop, the yoke can be prevented from generating abnormal noise by contacting the soft elastic body disposed on the inner peripheral surface of the frame. It has the action of:
【００１５】上記課題を解決するために、本願の請求項
２記載の発明は、１対の板状弾性体を相対向するように
して枠体に支持させ、一方の板状弾性体にはヨーク及び
磁石を有する磁界発生体を取り付けて第１の振動系を構
成し、他方の板状弾性体にはコイルを取り付けて第２の
振動系を構成し、前記コイルを前記磁界発生体の磁界内
に配し、前記コイルに発振回路を通じて周波数の異なる
電流を切り替え可能に与え、第１の振動系又は第２の振
動系を選択的に共振させて、それぞれの共振周波数の振
動を発生させるよう構成し、かつ前記第１の振動系を構
成している板状弾性体が枠体の中心線方向に振動するよ
うに構成されると共に、前記板状弾性体が枠体の中心線
方向に振動するように規制する方向規制部材を備えたこ
とを特徴とする携帯機器用振動発生装置に係るものであ
る。According to a second aspect of the present invention, a pair of plate-like elastic members are supported by a frame so as to face each other, and a yoke is provided on one of the plate-like elastic members. And a magnetic field generator having a magnet is mounted to form a first vibration system, and a coil is mounted to the other plate-like elastic body to form a second vibration system. And a switchable current is supplied to the coil through an oscillation circuit so as to selectively resonate the first vibration system or the second vibration system to generate vibration at each resonance frequency. And the plate-like elastic body constituting the first vibration system is configured to vibrate in the direction of the center line of the frame, and the plate-like elastic body vibrates in the direction of the center line of the frame. Characterized by having a direction regulating member for regulating Those of the vibration generator equipment.
【００１６】又本願の請求項３記載の発明は、請求項２
記載の発明における方向規制部材が、ヨークの中心部を
貫通するように配したガイドシャフトであることを特徴
とする携帯機器用振動発生装置に係るものである。The invention described in claim 3 of the present application is the invention of claim 2
According to the invention described above, the direction regulating member is a guide shaft arranged so as to penetrate a center portion of the yoke.
【００１７】又本願の請求項４記載の発明は、請求項２
記載の発明における方向規制部材が、ヨークの外周部の
上面及び下面をそれぞれ枠体に保持する１対の板状弾性
支持体であることを特徴とする携帯機器用振動発生装置
に係るものである。The invention described in claim 4 of the present application is the invention of claim 2
The direction regulating member according to the described invention is a pair of plate-like elastic supports that respectively hold an upper surface and a lower surface of an outer peripheral portion of a yoke to a frame body, and relates to a vibration generating device for a portable device. .
【００１８】又本願の請求項５記載の発明は、請求項
１、２、３又は４記載の発明に加え、一方の板状弾性体
の共振周波数が２５０Ｈｚ以下であり、他方の板状弾性
体の共振周波数が６００Ｈｚ以上である携帯機器用振動
発生装置に係るものである。According to a fifth aspect of the present invention, in addition to the first, second, third or fourth aspect, the resonance frequency of one plate-like elastic body is 250 Hz or less and the other plate-like elastic body is The present invention relates to a vibration generator for portable equipment having a resonance frequency of 600 Hz or more.
【００１９】これら発明によれば、コイル及び磁界発生
体を内蔵させるというコンパクトかつ軽量な構造であり
ながら、呼出音と体感振動という２種類の呼出信号を使
い分け自在に発生させることができ、又、ヨークの自励
振動を防止し、装置本体がどのような向きであっても、
あるいは落下衝撃等が加わっても、ヨークが枠体の中心
線方向に振動し、枠体内周面と接触することを回避させ
ることができ、異音の発生を防止することができるとい
う作用を有する。According to these inventions, two types of ringing signals, a ringing sound and a bodily sensation vibration, can be freely generated while having a compact and lightweight structure in which a coil and a magnetic field generator are incorporated. Prevents self-excited vibration of the yoke, regardless of the orientation of the device body,
Alternatively, even when a drop impact or the like is applied, the yoke vibrates in the direction of the center line of the frame body, and can be prevented from coming into contact with the peripheral surface of the frame body, which has an effect that generation of abnormal noise can be prevented. .
【００２０】上記発明の具体的構成としては、請求項６
に記載のように、一方の板状弾性体に中央部及び外周部
が相手側の板状弾性体に向け突出するヨークを取り付
け、前記ヨークの外周部内側に磁石を配置して第１の振
動系を構成し、他方の板状弾性体に筒型コイルを相手側
の板状弾性体に向け突出するように取り付け、前記筒型
コイルが前記磁石の内周側で前記ヨークの中央部の外周
側に位置するように配置して第２の振動系を構成し、か
つ請求項７に記載のように、第１の振動系を構成してい
る板状弾性体を、頂面と前記頂面周囲の底面と、前記頂
面及び前記底面とを接続する接続部とを有するハット状
の金属弾性体にて形成すると好適である。[0020] As a specific configuration of the above invention, claim 6
As described in 1 above, a yoke whose central portion and outer peripheral portion protrude toward the other plate-like elastic member is attached to one plate-like elastic member, and magnets are arranged inside the outer peripheral portion of the yoke to perform the first vibration. A cylindrical coil is mounted on the other plate-like elastic body so as to protrude toward the other plate-like elastic body, and the cylindrical coil is provided on the inner peripheral side of the magnet at the outer periphery of the central portion of the yoke. The plate-shaped elastic body constituting the first vibration system is disposed on the top surface and the top surface as described in claim 7. It is preferable to form a hat-shaped metal elastic body having a peripheral bottom surface and a connection portion connecting the top surface and the bottom surface.
【００２１】又、上記発明において、請求項８に記載の
ように、コイルを配置した板状弾性体に前記コイルの位
置決め用環状溝を設けると好適であり、コイル設置用部
材を別途必要とせずコイルを板状弾性体に位置決めかつ
装着することができ、生産性及びコンパクト化の点にお
いて有利であるという作用を有する。In the above invention, it is preferable that an annular groove for positioning the coil is provided in the plate-like elastic body on which the coil is disposed, so that a separate coil installation member is not required. The coil can be positioned and mounted on the plate-like elastic body, which has an effect that it is advantageous in productivity and compactness.
【００２２】さらに、請求項９に記載のように、上記発
明の携帯機器用振動発生装置をぺージャー等の携帯機器
に内蔵すると好適であり、コンパクトかつ軽量でありな
がら呼出音及び体感振動の２種類の呼出信号を切替え自
在に使用でき、携帯時の装置の向きや落下による衝撃等
にかかわらず、異音を発しない携帯機器を実現すること
ができるという作用を有する。Further, it is preferable that the vibration generator for portable equipment according to the present invention is built in a portable equipment such as a pager. There is an effect that a portable device that does not generate abnormal noise can be realized irrespective of the direction of the device at the time of carrying, the impact due to a drop, and the like, which can be used by freely switching between different types of calling signals.
【００２３】[0023]
【発明の実施の形態】以下、本発明の実施形態について
図１〜９を参照しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
【００２４】図１は本発明の振動発生装置の第１の実施
形態の断面図であり、図２はその分解斜視図である。
１、２は銅板等の金属板よりなる板状弾性体、５はコイ
ル、６は樹脂や金属等からなる枠体、７はヨーク３及び
磁石４よりなる磁界発生体、８はゴム等からなる軟弾性
体、９は底部カバーをそれぞれ示す。FIG. 1 is a sectional view of a first embodiment of a vibration generator according to the present invention, and FIG. 2 is an exploded perspective view thereof.
Reference numerals 1 and 2 denote plate-shaped elastic members made of a metal plate such as a copper plate, 5 denotes a coil, 6 denotes a frame made of resin or metal, 7 denotes a magnetic field generator made of a yoke 3 and a magnet 4, and 8 denotes rubber or the like. A soft elastic body 9 indicates a bottom cover.
【００２５】枠体６の底面に、枠体６と底部カバー９と
の間に周囲が挟持されるように第１の板状弾性体１が設
けられ、その板状弾性体１と相対向するように、枠体６
の頂面に第２の板状弾性体２がその周囲において固着さ
れている。The first plate-like elastic body 1 is provided on the bottom surface of the frame body 6 so as to sandwich the periphery between the frame body 6 and the bottom cover 9, and faces the plate-like elastic body 1. Like the frame 6
A second plate-like elastic body 2 is fixed around the top surface of the second elastic member.
【００２６】第１の板状弾性体１は平面からみて渦巻型
形状、また、断面からみて中央が盛り上がった台形形状
をしており、中央部１ａの中心に孔１ｂを有している。The first plate-like elastic body 1 has a spiral shape when viewed from a plane, a trapezoidal shape with its center raised when viewed from a cross section, and has a hole 1b at the center of the center 1a.
【００２７】板状弾性体１は上記のような構成により、
中央部１ａが上下することによって、ヨーク３及び磁石
４からなる磁界発生体７を振動させる。The plate-like elastic body 1 has the above configuration,
The magnetic field generator 7 including the yoke 3 and the magnet 4 is vibrated when the central portion 1a moves up and down.
【００２８】板状弾性体１の中央部１ａに載置する形
で、前記孔１ｂを利用して取り付けられているヨーク３
は、純鉄やパーマロイ等の磁性材料からなり、円盤状の
導体部３ａと、この導体部３ａから上方に突出する中央
部３ｂと、導体部３ａの外周に位置して上方に突出する
円環状の外周部３ｃとからなる。ヨーク３は底面に凸部
３ｄを有しており、この凸部３ｄを板状弾性体１中央部
１ａの孔１ｂに挿入して位置決めされる。The yoke 3 is mounted on the central portion 1a of the plate-like elastic body 1 using the hole 1b.
Is made of a magnetic material such as pure iron or permalloy, and has a disk-shaped conductor 3a, a central portion 3b protruding upward from the conductor 3a, and an annular shape protruding upward at the outer periphery of the conductor 3a. And an outer peripheral portion 3c. The yoke 3 has a convex portion 3d on the bottom surface, and the convex portion 3d is inserted into the hole 1b of the central portion 1a of the plate-like elastic body 1 and positioned.
【００２９】上記のように、ヨーク３底面の凸部３ｄが
板状弾性体１中央部１ａの孔１ｂと嵌合するよう構成し
たことから、組み立て工程において生産性向上及びコス
ト低減を図ることができる。As described above, since the projection 3d on the bottom surface of the yoke 3 is configured to be fitted into the hole 1b of the central portion 1a of the plate-like elastic body 1, it is possible to improve the productivity and reduce the cost in the assembling process. it can.
【００３０】ヨーク３の外周面３ｃの内周面には円環状
の磁石４が導体部３ａと隙間を設けて固着され、Ｎ極側
は外周部３ｃの内周面に接し、Ｓ極側はヨーク３の中央
部３ｂの外周側に向け一定間隔を保持して設けられてい
る。円環状の磁石４は、例えば希土類系磁石材料からな
るものを用いると好適である。An annular magnet 4 is fixed to the inner peripheral surface of the outer peripheral surface 3c of the yoke 3 with a gap provided between the yoke 3 and the conductor portion 3a. The N pole side is in contact with the inner peripheral surface of the outer peripheral portion 3c. The yoke 3 is provided at a constant interval toward the outer peripheral side of the central portion 3b. It is preferable that the annular magnet 4 be made of, for example, a rare earth magnet material.
【００３１】枠体６の頂面に設置された板状弾性体２
は、中央部２ａに位置決め用の環状溝２ｂを有し、その
環状溝２ｂ内に保持される形でコイル５が下方に突出す
るように設置されている。コイル５は銅線の表面に樹脂
を焼き付けたエナメル線を用いて、円筒形状で構成して
いる。コイル５は前記磁石４の内周側で、前記ヨーク３
の中央部３ｂの外周側に位置するように配置され、ヨー
ク３及び磁石４からなる磁界発生体７の磁界内に位置し
ている。The plate-like elastic body 2 installed on the top surface of the frame 6
Has an annular groove 2b for positioning in the central portion 2a, and is installed so that the coil 5 projects downward while being held in the annular groove 2b. The coil 5 is formed in a cylindrical shape using an enameled wire obtained by baking a resin on the surface of a copper wire. The coil 5 is provided on the inner peripheral side of the magnet 4 and the yoke 3
And is located in the magnetic field of the magnetic field generator 7 composed of the yoke 3 and the magnet 4.
【００３２】上記のように板状弾性体２に前記位置決め
用環状溝２ｂを設けることによって、コイル５と板状弾
性体２の組立工程において生産性の向上を図ることがで
きる。By providing the positioning annular groove 2b in the plate-like elastic body 2 as described above, the productivity can be improved in the assembly process of the coil 5 and the plate-like elastic body 2.
【００３３】コイル５の破損を防ぐため、磁石４とコイ
ル５との距離Ｘ、及びヨーク３の中央部３ｂとコイル５
との距離Ｙとはいずれも、軟弾性体８とヨーク３の外周
部３ｃとの距離Ｚより大となるように設定している。In order to prevent the coil 5 from being damaged, the distance X between the magnet 4 and the coil 5, the central portion 3b of the yoke 3 and the coil 5
Is set to be larger than the distance Z between the soft elastic body 8 and the outer peripheral portion 3c of the yoke 3.
【００３４】前記板状弾性体１とヨーク３及び磁石４か
らなる磁界発生体７とが第１の振動系を構成し、前記板
状弾性体２とコイル５とが第２の振動系を構成してい
る。発振回路を通じて電流をコイル５に通電すると、磁
界発生体７と磁界内に配されたコイル５との相互磁気作
用により両者が振動し、それぞれが取り付けられた板状
弾性体１又は２を振動させる。The plate-like elastic body 1 and the magnetic field generator 7 comprising the yoke 3 and the magnet 4 constitute a first vibration system, and the plate-like elastic body 2 and the coil 5 constitute a second vibration system. doing. When a current is applied to the coil 5 through the oscillating circuit, the magnetic field generator 7 and the coil 5 arranged in the magnetic field vibrate due to the mutual magnetic action, causing the plate-like elastic body 1 or 2 respectively attached to vibrate. .
【００３５】尚、磁界発生体７を設置した状態での第１
の板状弾性体１の共振周波数は５０〜１５０Ｈｚに設定
し、第２の板状弾性体２の共振周波数は２〜３ｋＨｚに
設定している。発振回路を通じて例えば２５０Ｈｚ以下
の所定値の周波数の電流をコイル５に通電すると、板状
弾性体１が共振を行い身体に感じる振動を発生させ、６
００Ｈｚ以上の所定値の周波数の電流をコイル５に通電
すると板状弾性体２が共振を行って呼出音を発生させ
る。The first magnetic field generator 7 with the magnetic field generator 7 installed
The resonance frequency of the plate-like elastic body 1 is set to 50 to 150 Hz, and the resonance frequency of the second plate-like elastic body 2 is set to 2 to 3 kHz. When a current having a predetermined frequency of, for example, 250 Hz or less is applied to the coil 5 through the oscillation circuit, the plate-like elastic body 1 resonates to generate vibrations felt by the body, and
When a current having a frequency of a predetermined value of 00 Hz or more is applied to the coil 5, the plate-like elastic body 2 resonates to generate a ringing sound.
【００３６】上記のようにヨーク３と磁石４とで円環状
の磁界発生体７を構成することにより、磁石をヨークの
中心に配置する構成と比較して、漏れ磁束が少なく、磁
気効率及びコンパクト化の点で有利である。また、磁界
発生体７及びコイル５を円環状にすることにより、第１
の振動系での質量のアンバランスによる不安定な振動を
防止でき、さらに生産性の向上を図ることができる。By forming the annular magnetic field generator 7 with the yoke 3 and the magnet 4 as described above, compared with a configuration in which the magnet is arranged at the center of the yoke, there is less leakage flux, magnetic efficiency and compactness. This is advantageous in terms of conversion. Further, by forming the magnetic field generator 7 and the coil 5 in an annular shape, the first
Unstable vibration due to mass imbalance in the vibration system can be prevented, and the productivity can be further improved.
【００３７】枠体６の内周面には、前記ヨーク３の外周
部３ｃと一定の間隔を設けて配した円環状の軟弾性体８
を設けている。この軟弾性体８によって、振動発生装置
本体がどのような向きになっても、あるいは落下衝撃等
が加わっても、ヨーク３の自励振動を吸収し、ヨーク３
が枠体６内周面に接触することで起こる異音発生を抑え
ている。軟弾性体８はゴム系のシール材等を用いると好
適である。On the inner peripheral surface of the frame 6, an annular soft elastic body 8 arranged at a fixed distance from the outer peripheral portion 3c of the yoke 3 is provided.
Is provided. The soft elastic body 8 absorbs the self-excited vibration of the yoke 3 regardless of the orientation of the vibration generator main body or the impact of a drop or the like.
This suppresses generation of abnormal noise caused by contact with the inner peripheral surface of the frame 6. It is preferable that the soft elastic body 8 use a rubber-based sealing material or the like.
【００３８】尚、軟弾性体８は上述したものに限らず、
図６〜９に示すように様々な形状、構成とすることがで
きる。図６に示すように、軟弾性体８を板状弾性体１、
２のそれぞれに沿って配置し、その際軟弾性体８を、ヨ
ーク３の上端、下端部それぞれと重複する重複部Ｗを有
する長さに形成すれば、ヨーク３の振動を減衰させるこ
となくヨーク３の振動を１方向に規制して、異音発生を
防ぐことができる。The soft elastic body 8 is not limited to the one described above,
Various shapes and configurations can be adopted as shown in FIGS. As shown in FIG. 6, the soft elastic body 8 is
2, the soft elastic body 8 is formed to have a length having an overlapping portion W overlapping with the upper end and the lower end of the yoke 3 without damping the vibration of the yoke 3. The vibration of No. 3 can be regulated in one direction to prevent generation of abnormal noise.
【００３９】又、軟弾性体８は必ずしも円環状とする必
要はなく、図７（ａ）、（ｂ）に示すような点状の突起
や、図８（ａ）、（ｂ）に示すような鉛直方向に棒状の
突起を円周上に断続して配する構成でもよい。上記のよ
うに断続的な突起を樹脂等で形成する構成にすれば、円
環状のものに比べてヨーク３の振動の減衰が少なく、さ
らに製作しやすいという利点がある。The soft elastic body 8 does not necessarily have to be annular, and may have a point-like projection as shown in FIGS. 7 (a) and 7 (b), or as shown in FIGS. 8 (a) and 8 (b). A configuration in which bar-shaped protrusions are intermittently arranged on the circumference in a vertical direction may be used. If the intermittent projections are formed of resin or the like as described above, there is an advantage that the vibration of the yoke 3 is less attenuated than that of the annular shape, and that the yoke 3 can be easily manufactured.
【００４０】あるいは図９に示すように、軟弾性体８に
自由端部８ａを設けた構成としてもよい。この場合、軟
弾性体８は円環状であっても、又は円周上に断続的に設
けたものであってもよい。自由端部８ａを設けることに
より、ヨーク３の振動がより柔軟に吸収されるため振動
を減衰することがなく、かつヨーク３の振動を１方向に
規制することができる。Alternatively, as shown in FIG. 9, the soft elastic body 8 may be provided with a free end 8a. In this case, the soft elastic body 8 may be annular or may be provided intermittently on the circumference. By providing the free end 8a, the vibration of the yoke 3 is absorbed more flexibly, so that the vibration is not attenuated, and the vibration of the yoke 3 can be restricted in one direction.
【００４１】図３は本発明の振動発生装置の第２の実施
形態を示す断面図である。枠体６内に、下端を底部カバ
ー９に固定し、ヨーク３の中心部を貫通するように配し
たガイドシャフト１０を設けて、枠体６の中心線方向の
振動を方向規制することにより、装置本体がどのような
向きになっても、あるいは落下衝撃等が加わっても、ヨ
ーク３を常に一方向に振動させることができ、枠体６内
周面と接触することによって起こる異音発生を抑える構
成となっている。その他の構成は第１の実施の形態と同
様なので説明を省略する。FIG. 3 is a sectional view showing a second embodiment of the vibration generator according to the present invention. In the frame 6, a lower end is fixed to the bottom cover 9, and a guide shaft 10 arranged so as to penetrate the center of the yoke 3 is provided to regulate the vibration of the frame 6 in the center line direction. The yoke 3 can always be vibrated in one direction regardless of the orientation of the apparatus main body or a drop impact, etc., and the generation of abnormal noise caused by contact with the inner peripheral surface of the frame 6 is prevented. It is configured to suppress. The other configuration is the same as that of the first embodiment, and the description is omitted.
【００４２】図４は本発明の振動発生装置の第３の実施
形態を示す断面図である。枠体６内に、ヨーク３の外周
部３ｃの上面及び下面にそれぞれ左右１対の帯板状弾性
支持体１１ａ、１１ｂを取り付け、ヨーク３を枠体６内
周面との間に一定間隔を設けて保持し、枠体６の中心線
方向の振動を方向規制することにより、装置本体がどの
ような向きになっても、あるいは落下衝撃等が加わって
も、ヨーク３を常に一方向に振動させることができ、枠
体６内周面と接触することによって起こる異音発生を抑
える構成となっている。その他の構成は第１の実施の形
態と同様なので説明を省略する。FIG. 4 is a sectional view showing a third embodiment of the vibration generator according to the present invention. A pair of left and right band-shaped elastic supports 11a and 11b are attached to the upper and lower surfaces of the outer peripheral portion 3c of the yoke 3 in the frame 6, respectively, and the yoke 3 is spaced from the inner peripheral surface of the frame 6 at a constant interval. The yoke 3 is always vibrated in one direction regardless of the orientation of the apparatus main body or a drop impact, etc., by providing and holding and regulating the direction of vibration in the center line direction of the frame 6. The configuration is such that abnormal noise caused by contact with the inner peripheral surface of the frame 6 is suppressed. The other configuration is the same as that of the first embodiment, and the description is omitted.
【００４３】図５は前記コイル５に発振回路１６を通じ
て周波数の異なる電流を切替え可能に与える構成の一例
を示している。図５において、５は円筒型コイル、１５
は直流電源、１６はＣＰＵ１４、トランジスタ１３、抵
抗器１２ａ、１２ｂ等で構成される発振回路である。FIG. 5 shows an example of a configuration in which currents having different frequencies are switchably provided to the coil 5 through an oscillation circuit 16. In FIG. 5, 5 is a cylindrical coil, 15
Reference numeral 16 denotes a DC power supply, and reference numeral 16 denotes an oscillation circuit including the CPU 14, the transistor 13, the resistors 12a and 12b, and the like.
【００４４】ＣＰＵ１４からトランジスタ１３には通電
と通電停止を繰り返すパルス信号が与えられ、このパル
ス信号の周波数と同周波数の電流がコイル５に流れる。
コイル５に通電されると、磁石４を備えたヨーク３とコ
イル５とが電磁力により振動し、この振動が第１の板状
弾性体１及び第２の板状弾性体２に伝わり、二次的に第
１の振動系又は第２の振動系が振動する。ＣＰＵ１４は
前記パルス信号の周波数を、第１の振動系を共振させる
第１の周波数と、第２の振動系を共振させる第２の周波
数のいずれをも選択できるように構成されている。A pulse signal that repeats energization and energization stop is applied to the transistor 13 from the CPU 14, and a current having the same frequency as the frequency of the pulse signal flows through the coil 5.
When the coil 5 is energized, the yoke 3 provided with the magnet 4 and the coil 5 vibrate by electromagnetic force, and this vibration is transmitted to the first plate-like elastic body 1 and the second plate-like elastic body 2, and Next, the first vibration system or the second vibration system vibrates. The CPU 14 is configured so that the frequency of the pulse signal can be selected from any of a first frequency for resonating the first vibration system and a second frequency for resonating the second vibration system.
【００４５】ＣＰＵ１４が第１の周波数のパルス信号を
トランジスタ１３に与え、例えば第１の振動系の共振周
波数に合わせて１００Ｈｚの周波数でコイル５に通電す
ると、板状弾性体１を介して装置自体が前記共振周波数
に同期して共振し、体感振動を発生する。これにより、
無音で他人に迷惑をかけることなく携帯者の呼び出しを
行うことができる。When the CPU 14 supplies a pulse signal of the first frequency to the transistor 13 and energizes the coil 5 at a frequency of, for example, 100 Hz in accordance with the resonance frequency of the first vibration system, the device itself is connected via the plate-like elastic body 1. Resonates in synchronization with the resonance frequency to generate bodily sensation vibration. This allows
It is possible to make a call to the mobile phone without disturbing others with no sound.
【００４６】他方、ＣＰＵ１４が第２の周波数のパルス
信号をトランジスタ１３に与え、例えば第２の振動系の
共振周波数に併せて２．７ｋＨｚの周波数でコイル５に
通電すると、板状弾性体２を介して装置自体が前記共振
周波数と同期して共振し、スピーカーとして作用するた
め呼出音を発生させることができる。On the other hand, when the CPU 14 supplies a pulse signal of the second frequency to the transistor 13 and energizes the coil 5 at a frequency of, for example, 2.7 kHz in accordance with the resonance frequency of the second vibration system, the plate-like elastic body 2 is activated. The device itself resonates in synchronization with the resonance frequency and acts as a speaker, so that a ringing tone can be generated.
【００４７】上記第１と第２の振動系それぞれに対する
周波数の設定は、体感振動発生用には周波数を２５０Ｈ
ｚ以下とし、呼出音発生用には周波数を６００Ｈｚ以上
にすると好適である。これはＩＳＯ２２６（１９６１）
の等ランドネス曲線に基き、周波数２５０Ｈｚ以下の振
動は人間の耳には聴こえず、機械的振動のみ身体に伝え
ることができるからであり、又、周波数６００Ｈｚ以上
の振動は低い音圧レベルにて人間の耳で聴くことができ
るからである。The frequency for each of the first and second vibration systems is set at 250H for generating bodily sensation vibration.
It is preferable that the frequency be equal to or less than z and the frequency be 600 Hz or more for generating a ringing tone. This is ISO226 (1961)
This is because vibrations with a frequency of 250 Hz or less are inaudible to human ears and only mechanical vibrations can be transmitted to the body based on the equal landness curve of FIG. This is because you can listen with your ears.
【００４８】このように１つの振動発生装置で２種類の
呼出信号を発生させることができるため、前記した従来
例と比較して、より小型で軽量、かつ振動の大きな振動
発生装置を実現することが可能となる。As described above, two types of calling signals can be generated by one vibration generator, so that a smaller, lighter and larger vibration generator can be realized as compared with the above-described conventional example. Becomes possible.
【００４９】上記振動発生装置は、ぺージャーや腕時計
等の携帯機器に組み込んで用いることができる。例えば
ぺージャーの携帯者が切替えスイッチで呼出音と体感振
動のいずれか一方を選択できるように構成することがで
きる。また、前記ＣＰＵ１４からの第１の周波数のパル
ス信号と第２の周波数のパルス信号とを一定時間毎に交
互に発生させて、呼出音と体感振動の両方が交互に生じ
るように構成することもできる。The vibration generator can be used by incorporating it into a portable device such as a pager or a wristwatch. For example, it is possible to configure so that a wearer of the pager can select either a ringing tone or a bodily sensation with a changeover switch. Further, the pulse signal of the first frequency and the pulse signal of the second frequency from the CPU 14 are alternately generated at regular intervals, so that both the ringing sound and the bodily sensation vibration are alternately generated. it can.
【００５０】[0050]
【発明の効果】本発明の携帯機器用振動発生装置は、コ
ンパクトかつ軽量な構造でありながら、呼出音と体感振
動という２種類の呼出信号を使い分け自在に発生させる
ことができる。According to the vibration generator for portable equipment of the present invention, it is possible to freely generate two types of ringing signals, a ringing sound and a bodily sensation vibration, while having a compact and lightweight structure.
【００５１】また、振動発生装置本体がどのような向き
になっても、あるいは落下衝撃等が加わっても、磁界発
生体が枠体内周面と接触することを防いだり、たとえ接
触してもその衝撃を緩和したりすることができるため、
異音の発生を防止することができる。Also, regardless of the orientation of the vibration generator main body or the impact of a drop or the like, the magnetic field generator is prevented from coming into contact with the inner peripheral surface of the frame. Because it can reduce the impact,
Generation of abnormal noise can be prevented.
【００５２】さらに本発明の振動発生装置をぺージャー
や腕時計などの携帯機器に内蔵させることで、呼出音と
体感振動という２種類の呼出信号機能を備えると共に、
異音の発生を防止することができる携帯機器を提供する
ことができる。Further, by incorporating the vibration generating device of the present invention into a portable device such as a pager or a wristwatch, two types of calling signal functions of a calling sound and a bodily sensation vibration can be provided.
A portable device capable of preventing generation of abnormal noise can be provided.
【図１】本発明の携帯機器用振動発生装置の第１の実施
形態を示す断面図。FIG. 1 is a cross-sectional view showing a first embodiment of a vibration generator for portable equipment of the present invention.
【図２】同分解斜視図。FIG. 2 is an exploded perspective view of the same.
【図３】本発明の携帯機器用振動発生装置の第２の実施
形態を示す断面図。FIG. 3 is a sectional view showing a second embodiment of the vibration generator for portable equipment of the present invention.
【図４】本発明の携帯機器用振動発生装置の第３の実施
形態を示す断面図。FIG. 4 is a sectional view showing a third embodiment of the vibration generator for portable equipment of the present invention.
【図５】本発明の携帯機器用振動発生装置の発振回路を
示す概略図。FIG. 5 is a schematic diagram showing an oscillation circuit of the vibration generator for portable equipment of the present invention.
【図６】本発明の携帯機器用振動発生装置の第１の実施
形態の変形例を示す断面図。FIG. 6 is a cross-sectional view showing a modification of the first embodiment of the vibration generator for portable equipment of the present invention.
【図７】本発明の携帯機器用振動発生装置の第１の実施
形態の変形例を示し、（ａ）は平面図、（ｂ）は斜視
図。FIGS. 7A and 7B show a modification of the first embodiment of the vibration generator for portable equipment of the present invention, wherein FIG. 7A is a plan view and FIG.
【図８】本発明の携帯機器用振動発生装置の第１の実施
形態の変形例を示し、（ａ）は平面図、（ｂ）は斜視
図。FIGS. 8A and 8B show a modification of the first embodiment of the vibration generator for portable equipment of the present invention, wherein FIG. 8A is a plan view and FIG.
【図９】本発明の携帯機器用振動発生装置の第１の実施
形態の変形例を示す断面図。FIG. 9 is a cross-sectional view showing a modification of the first embodiment of the vibration generator for portable equipment of the present invention.
【図１０】従来のぺージャー用振動発生装置を示す斜視
図。FIG. 10 is a perspective view showing a conventional pager vibration generator.
１ 板状弾性体 ２ 板状弾性体 ３ ヨーク ４ 磁石 ５ コイル ６ 枠体 ７ 磁界発生体 ８ 軟弾性体 １０ ガイドシャフト １１ 板状弾性支持体 １６ 発振回路 DESCRIPTION OF SYMBOLS 1 Plate-shaped elastic body 2 Plate-shaped elastic body 3 Yoke 4 Magnet 5 Coil 6 Frame 7 Magnetic field generator 8 Soft elastic body 10 Guide shaft 11 Plate-shaped elastic support 16 Oscillation circuit
───────────────────────────────────────────────────── フロントページの続き (72)発明者 犬飼 真一郎 神奈川県横浜市港北区綱島東四丁目３番１ 号 松下通信工業株式会社内 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Shinichiro Inukai 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Matsushita Communication Industrial Co., Ltd.
Claims (9)
て枠体に支持させ、一方の板状弾性体にはヨーク及び磁
石を有する磁界発生体を取り付けて第１の振動系を構成
し、他方の板状弾性体にはコイルを取り付けて第２の振
動系を構成し、前記コイルを前記磁界発生体の磁界内に
配し、前記コイルに発振回路を通じて周波数の異なる電
流を切り替え可能に与え、第１の振動系又は第２の振動
系を選択的に共振させて、それぞれの共振周波数の振動
を発生させるよう構成し、かつ前記第１の振動系を構成
している板状弾性体が枠体の中心線方向に振動するよう
に構成され、枠体の内周面に、前記ヨークの外周部と一
定の間隔を設けて軟弾性体を配設したことを特徴とする
携帯機器用振動発生装置。1. A pair of plate-like elastic bodies are supported on a frame so as to face each other, and a magnetic field generator having a yoke and a magnet is attached to one of the plate-like elastic bodies to form a first vibration system. A coil is attached to the other plate-like elastic body to form a second vibration system, the coil is arranged in the magnetic field of the magnetic field generator, and a current having a different frequency is switched to the coil through an oscillation circuit. The first vibration system or the second vibration system is selectively resonated to generate vibrations at respective resonance frequencies, and a plate-like structure constituting the first vibration system is provided. A mobile phone characterized in that the elastic body is configured to vibrate in the direction of the center line of the frame, and a soft elastic body is provided on the inner peripheral surface of the frame at a constant distance from the outer peripheral portion of the yoke. Vibration generator for equipment.
て枠体に支持させ、一方の板状弾性体にはヨーク及び磁
石を有する磁界発生体を取り付けて第１の振動系を構成
し、他方の板状弾性体にはコイルを取り付けて第２の振
動系を構成し、前記コイルを前記磁界発生体の磁界内に
配し、前記コイルに発振回路を通じて周波数の異なる電
流を切り替え可能に与え、第１の振動系又は第２の振動
系を選択的に共振させて、それぞれの共振周波数の振動
を発生させるよう構成し、かつ前記第１の振動系を構成
している板状弾性体が枠体の中心線方向に振動するよう
に構成されると共に、前記板状弾性体が枠体の中心線方
向に振動するように規制する方向規制部材を備えたこと
を特徴とする携帯機器用振動発生装置。2. A pair of plate-like elastic bodies are supported on a frame so as to face each other, and a magnetic field generator having a yoke and a magnet is attached to one of the plate-like elastic bodies to form a first vibration system. A coil is attached to the other plate-like elastic body to form a second vibration system, the coil is arranged in the magnetic field of the magnetic field generator, and a current having a different frequency is switched to the coil through an oscillation circuit. The first vibration system or the second vibration system is selectively resonated to generate vibrations at respective resonance frequencies, and a plate-like structure constituting the first vibration system is provided. A mobile phone characterized in that the elastic body is configured to vibrate in the direction of the center line of the frame, and the plate-shaped elastic body is provided with a direction regulating member that regulates the body to vibrate in the direction of the center line of the frame. Vibration generator for equipment.
するように配したガイドシャフトであることを特徴とす
る請求項２記載の携帯機器用振動発生装置。3. The vibration generator for a portable device according to claim 2, wherein the direction regulating member is a guide shaft disposed so as to penetrate a center portion of the yoke.
及び下面をそれぞれ枠体に保持する１対の板状弾性支持
体であることを特徴とする請求項２記載の携帯機器用振
動発生装置。4. The portable device according to claim 2, wherein the direction restricting member is a pair of plate-like elastic supports for holding the upper surface and the lower surface of the outer peripheral portion of the yoke on the frame, respectively. apparatus.
Ｈｚ以下であり、他方の板状弾性体の共振周波数が６０
０Ｈｚ以上である請求項１、２、３又は４記載の携帯機
器用振動発生装置。5. The resonance frequency of one plate-like elastic body is 250
Hz or less, and the resonance frequency of the other
5. The vibration generator for portable equipment according to claim 1, wherein the frequency is 0 Hz or more.
相手側の板状弾性体に向け突出するヨークを取り付け、
前記ヨークの外周部内側に磁石を配置して第１の振動系
を構成し、他方の板状弾性体に筒型コイルを相手側の板
状弾性体に向け突出するように取り付け、前記筒型コイ
ルが前記磁石の内周側で前記ヨークの中央部の外周側に
位置するように配置して第２の振動系を構成したことを
特徴とする請求項１、２、３、４又は５記載の携帯機器
用振動発生装置。6. A yoke having a central portion and an outer peripheral portion protruding toward a mating plate-shaped elastic body is attached to one plate-shaped elastic body,
A magnet is arranged inside the outer periphery of the yoke to form a first vibration system, and a cylindrical coil is attached to the other plate-like elastic body so as to project toward the other plate-like elastic body. The second vibration system is configured by arranging a coil on an inner peripheral side of the magnet and on an outer peripheral side of a central portion of the yoke. Vibration generator for portable equipment.
が、頂面と前記頂面周囲の底面と、前記頂面及び前記底
面とを接続する接続部とを有するハット状の金属弾性体
からなることを特徴とする請求項１、２、３、４、５又
は６記載の携帯機器用振動発生装置。7. A hat-shaped elastic body having a first vibration system, the plate-shaped elastic body having a top surface, a bottom surface around the top surface, and a connection portion connecting the top surface and the bottom surface. 7. The vibration generator for portable equipment according to claim 1, wherein the vibration generator is made of a metal elastic body.
ルの位置決め用環状溝を設けて、この環状溝を利用して
前記コイルを保持した請求項１、２、３、４、５、６又
は７記載の携帯機器用振動発生装置。8. A plate-like elastic body in which a coil is disposed, an annular groove for positioning the coil is provided, and the coil is held by using the annular groove. Or the vibration generator for portable equipment according to 7.
帯機器用振動発生装置を内蔵した携帯機器。9. A portable device incorporating the vibration generator for a portable device according to claim 1.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27092996A JP3748637B2 (en) | 1996-10-14 | 1996-10-14 | Vibration generator for portable devices |
| KR1019960066401D KR19980032013A (en) | 1995-12-15 | 1996-12-06 | Vibration generator |
| US08/764,504 US5894263A (en) | 1995-12-15 | 1996-12-12 | Vibration generating apparatus |
| CN96121384A CN1099658C (en) | 1995-12-15 | 1996-12-13 | Vibration generating apparatus |
| MYPI96005271A MY114573A (en) | 1995-12-15 | 1996-12-14 | Vibration generating apparatus |
| SG9611724A SG79927A1 (en) | 1995-12-15 | 1996-12-14 | Vibration generating apparatus |
| KR1019960066401A KR100245379B1 (en) | 1995-12-15 | 1996-12-16 | Vibration generating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27092996A JP3748637B2 (en) | 1996-10-14 | 1996-10-14 | Vibration generator for portable devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10117472A true JPH10117472A (en) | 1998-05-06 |
| JP3748637B2 JP3748637B2 (en) | 2006-02-22 |
Family
ID=17492970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27092996A Expired - Fee Related JP3748637B2 (en) | 1995-12-15 | 1996-10-14 | Vibration generator for portable devices |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3748637B2 (en) |
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