JP2950488B2 - Device for measuring characteristics of toroidal multipolar electronic components - Google Patents
Device for measuring characteristics of toroidal multipolar electronic componentsInfo
- Publication number
- JP2950488B2 JP2950488B2 JP4255890A JP25589092A JP2950488B2 JP 2950488 B2 JP2950488 B2 JP 2950488B2 JP 4255890 A JP4255890 A JP 4255890A JP 25589092 A JP25589092 A JP 25589092A JP 2950488 B2 JP2950488 B2 JP 2950488B2
- Authority
- JP
- Japan
- Prior art keywords
- measuring
- electrode
- contact
- electronic component
- measurement
- 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.)
- Expired - Lifetime
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- Measuring Leads Or Probes (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Tests Of Electronic Circuits (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、電子部品の電気的特性
を検査するに用いる特性測定装置に関し、特に、リング
型バリスター等の円環状多極電子部品の特性検査に適し
た接触端子を備えた円環状多極電子部品の特性測定装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a characteristic measuring device used for inspecting the electrical characteristics of electronic components, and more particularly, to a contact terminal suitable for inspecting the characteristics of an annular multipolar electronic component such as a ring varistor. The present invention relates to a device for measuring characteristics of an annular multipolar electronic component provided.
【0002】[0002]
【従来の技術】電子部品は、一般に、製造後、その電気
的特性を検査するため、電極部に測定端子を接触させな
がら所定の電気的測定を行い、その良否を判断すること
が行われている。かかる電気的特性の検査には、被測定
電子部品を搬送テーブル上に搬送しながら、所定の位置
において測定端子を降下させて自動的にその電気的特性
を検査する特性測定装置が知られている。2. Description of the Related Art In general, after an electronic component is manufactured, a predetermined electrical measurement is performed while a measuring terminal is in contact with an electrode portion to determine its quality in order to inspect its electrical characteristics. I have. In order to inspect such electrical characteristics, there is known a characteristic measuring device that lowers a measurement terminal at a predetermined position and automatically inspects the electrical characteristics while transporting the electronic component to be measured onto a transport table. .
【0003】一方、被測定電子部品の中には、例えば図
3に示されるように、円環状の部品本体bの主面に3等
分割形成された扇状電極c、c…を設けた円環状多極電
子部品a、いわゆるリング型バリスター等のリング型電
子部品がある。かかるリング型電子部品の電気的特性の
測定においては、まず、パーツフィーダ内にバリスター
を投入し、このパーツフィーダの皿のなかで表裏判定を
行い、3等分割形成された扇型の電極面を上に向けて測
定装置の搬送テーブル上に供給される。搬送テーブル上
に供給されたバリスターは、その後、測定装置内の測定
ステーションまで間欠的に搬送され、そこで上記測定端
子によって測定を行い、その結果合否判定をして分別す
る。On the other hand, among the electronic components to be measured, as shown in FIG. 3, for example, an annular component main body b is provided with a fan-shaped electrode c, c. There is a ring-type electronic component such as a multipolar electronic component a, a so-called ring-type varistor. In the measurement of the electrical characteristics of such a ring-type electronic component, first, a varistor is put into a parts feeder, front / back determination is made in a plate of the parts feeder, and a fan-shaped electrode surface divided into three equal parts is formed. Is supplied upward onto the transport table of the measuring device. The varistor supplied on the transport table is then intermittently transported to a measuring station in the measuring device, where it is measured by the above-mentioned measuring terminals, and as a result, pass / fail judgment is made to separate.
【0004】ところで、従来技術の測定装置1では、図
4に示すように、バリスターaの電極位置を位置合わせ
することが出来ないことから、どの方向に電極が向いて
も測定が可能なように、2組の測定端子が設けられてい
る。すなわち、端子ホルダーには6等分割されて配置さ
れた6本の測定端子2、2…が設けられており、3本の
120度毎離れて配置された測定端子を一組として、2
組の測定端子群が構成されている。このような従来の測
定装置では、2組の測定端子を下降させて接触すれば、
そのいずれかが、必ず、被測定部品の電極に接触するこ
とから、良好な接触状態を得ながら確実に電気的特性を
測定することが可能であるとの着想によるものである。[0004] By the way, in the conventional measuring device 1, as shown in FIG. 4, the electrode position of the varistor a cannot be aligned, so that the measurement can be performed in any direction. Are provided with two sets of measuring terminals. That is, the terminal holder is provided with six measuring terminals 2, 2... Arranged in equal divisions into six, and three measuring terminals arranged at intervals of 120 degrees as one set.
A set of measurement terminals is configured. In such a conventional measuring device, if two sets of measuring terminals are lowered and contacted,
This is based on the idea that any one of them always contacts the electrode of the component to be measured, so that it is possible to reliably measure the electrical characteristics while obtaining a good contact state.
【0005】また、例えば実開昭63−70082号公
報等によれば、上記3等分割形成された扇型の電極を有
するバリスターの電気的特性を測定するための接触端子
であり、一般のピン状の接触端子に代えて、長尺な端子
を放射状に配置し、これらの長尺状端子をバリスターの
扇型電極表面に接触して測定を行う環状多極電子部品用
接触端子が知られている。According to, for example, Japanese Utility Model Application Laid-Open No. 63-70082, a contact terminal for measuring the electrical characteristics of a varistor having a fan-shaped electrode divided into three equal parts is used. Instead of pin-shaped contact terminals, long terminals are arranged radially, and these long terminals are in contact with the fan-shaped electrode surface of the varistor, and there is a known contact terminal for a ring-shaped multipolar electronic component. Have been.
【0006】[0006]
【発明が解決しようとする課題】しかしながら、上述の
従来技術の構造によれば、その測定端子が電極上に接触
する位置は確率的にのみ決定されてしまう。すなわち、
測定端子が電極の中央部を外れ、電極の境界面近くに接
触する場合が確率的に生じる。この場合、さらに、部品
上の電極位置の不均一などの他の要素が重なり、測定端
子の接触の信頼性が低下してしまうことがあり、そのた
め、測定精度を向上することが出来ないという問題点が
あった。However, according to the above-described prior art structure, the position where the measuring terminal contacts the electrode is determined only stochastically. That is,
A case where the measuring terminal comes off the center of the electrode and comes into contact with the vicinity of the boundary surface of the electrode occurs with probability. In this case, further, other factors such as non-uniformity of the electrode position on the component may overlap, and the reliability of the contact of the measuring terminal may be reduced, and therefore, the measurement accuracy cannot be improved. There was a point.
【0007】そこで、本発明は、上述の従来技術におけ
る問題点に鑑み、円環状多極電子部品の主面上に等角度
毎に複数分割して形成した扇状電極に、その測定端子
を、確実かつ高い信頼性で接触させ、測定端子の電極接
触位置の不均一による測定精度の低下を防止することの
可能な円環状多極電子部品の特性測定装置を提供するこ
とをその目的とするものである。[0007] In view of the above-mentioned problems in the prior art, the present invention provides a fan-shaped electrode formed on the main surface of an annular multipolar electronic component by dividing the main surface into a plurality of pieces at equal angles. It is an object of the present invention to provide a device for measuring the characteristics of an annular multipolar electronic component which can make contact with high reliability and prevent a decrease in measurement accuracy due to non-uniformity of an electrode contact position of a measurement terminal. is there.
【0008】[0008]
【課題を解決するための手段】上記の目的を達成するた
め、本発明によれば、電気的特性を測定すべき円環状の
部品本体の主面上に等角度毎に分割形成された扇状電極
の整数倍の数だけ、円周方向に等角度間隔で、当該電極
接触用の測定端子を1本または1組ずつ設けた円環状多
極電子部品の特性測定装置において、前記部品本体の扇
状電極の間の境界面をその色で感知するカラー識別セン
サーを設け、さらに、前記カラー識別センサーによって
感知した電極間の境界面から所定の角度だけ前記電極接
触用測定端子を回転移動する回動手段を設けた円環状多
極電子部品の特性測定装置が提案されている。According to the present invention, there is provided a fan-shaped electrode divided at equal angles on a main surface of an annular component body whose electric characteristics are to be measured. In the characteristic measuring device for an annular multipolar electronic component provided with one or one set of measuring terminals for electrode contact at equal angular intervals in the circumferential direction, the fan-shaped electrodes of the component body A color identification sensor for sensing a boundary surface between the electrodes by its color, and a rotating means for rotating and moving the electrode contact measurement terminal by a predetermined angle from the boundary surface between the electrodes detected by the color identification sensor. A device for measuring the characteristics of the provided annular multipolar electronic component has been proposed.
【0009】[0009]
【作用】すなわち、上記本発明により提案された円環状
多極電子部品の特性測定装置の構成によれば、測定端子
は、カラー識別センサーにより部品本体の主面上に形成
された扇状電極の境界面を感知し、当該境界面から所定
の角度だけ測定端子を回動して降下させ、電極との接触
を行うことから、電極との良好な接触状態が確実に得ら
れ、測定端子が電極に接触せずに生じるノーコンタクト
状態や電極の境界付近に接触することによる測定精度の
低下を確実に防止し、安定な電気的特性の測定が可能に
なる。In other words, according to the configuration of the characteristic measuring device for an annular multipolar electronic component proposed by the present invention, the measuring terminal is located at the boundary of the fan-shaped electrode formed on the main surface of the component main body by the color identification sensor. The surface is sensed, and the measurement terminal is rotated and lowered by a predetermined angle from the boundary surface to make contact with the electrode, so that a good contact state with the electrode is reliably obtained, and the measurement terminal is connected to the electrode. It is possible to reliably prevent a decrease in measurement accuracy due to a no-contact state that occurs without contact or a contact near the boundary of an electrode, thereby enabling stable measurement of electrical characteristics.
【0010】[0010]
【実施例】以下、本発明の実施例について、図面を参照
しながら詳細に説明する。図2には、本発明の一実施例
である円環状多極電子部品の特性測定装置が示されてお
り、図において、円筒形取付ホルダー30の内部には、
上下(図中に矢印で示す)に移動可能なエアシリンダー
40が設けられており、その下側に突出した駆動軸41
の先端には、複数の電極接触用測定端子51、51…を
備えた測定端子ホルダー50が取り付けられている。こ
の測定端子ホルダー50においては、その測定端子5
1、51…は、3等割に1カ所に隣接して2本が1組と
なって植え込まれており、その測定端子は総計6本が設
けられている。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 2 shows an apparatus for measuring characteristics of an annular multipolar electronic component according to an embodiment of the present invention. In FIG.
An air cylinder 40 that can move up and down (indicated by an arrow in the figure) is provided, and a drive shaft 41 that projects below
A measurement terminal holder 50 having a plurality of electrode contact measurement terminals 51, 51,. In this measuring terminal holder 50, the measuring terminal 5
1, 51... Are implanted as a set of two adjacent to one place in 30 equal parts, and a total of six measurement terminals are provided.
【0011】また、上記円筒形取付ホルダー30の上方
に設けられた電動モータ31により、その内部のエアー
シリンダー40や測定端子ホルダー50が回転する。Further, an electric motor 31 provided above the cylindrical mounting holder 30 rotates an air cylinder 40 and a measuring terminal holder 50 therein.
【0012】そして、図1に示すように、上記エアシリ
ンダー40の下方には、円板状の搬送テーブル60が矢
印方向に回動可能に設けられており、その表面上には所
定の間隔で、その内部に電気的特性を測定すべきバリス
ター等の円環状多極電子部品aを収納する円形の収納溝
61、61…が複数形成されている。すなわち、例えば
パーツフィーダ等によって順次供給されるバリスターa
は、この円板状搬送テーブル60の収納溝61、61…
内に挿入され、これを図中の矢印方向に回転しながら上
記エアシリンダー40の下方に形成される測定ステーシ
ョンSに搬送される。As shown in FIG. 1, a disc-shaped transfer table 60 is provided below the air cylinder 40 so as to be rotatable in the direction of the arrow. A plurality of circular storage grooves 61, 61... For storing an annular multipolar electronic component a such as a varistor whose electrical characteristics are to be measured are formed therein. That is, for example, a varistor a sequentially supplied by a parts feeder or the like.
Are the storage grooves 61 of this disk-shaped transfer table 60.
While being rotated in the direction of the arrow in the figure, is conveyed to a measuring station S formed below the air cylinder 40.
【0013】なお、本発明によれば、上記測定ステーシ
ョンSに隣接して、すなわち、円板状搬送テーブル60
がバリスターa、a…を収納して測定ステーションSに
移動する前に、バリスターaの表面電極の位置を確認す
る判別ステーションCが形成されている。この判定ステ
ーションCの上部には、バリスターaの電極形成表面に
対向する方向に(本実施例では下側に)向けてカラー識
別センサー70が設けられている。このカラー識別セン
サー70は、バリスターaの表面上に3等分割されて扇
形に形成された電極c、c…と、これら電極間の隣接面
を識別するためのセンサーである。すなわち、このカラ
ー識別センサー70が白を感知したときにはバリスター
aの電極cを、一方、センサー70が黒を検知したとき
には電極c、cの間の隣接面に表れたバリスターの素体
bを識別する。また、このカラー識別センサー70は、
例えば測定ステーションSにおいて、測定端子ホルダー
50の一つの測定端子51に対応する位置に配置されて
いる。According to the present invention, adjacent to the measuring station S, that is, the disk-shaped transfer table 60,
Before the varistors a, a... Are stored and moved to the measuring station S, a discrimination station C for confirming the position of the surface electrode of the varistor a is formed. A color identification sensor 70 is provided above the determination station C in a direction facing the electrode forming surface of the varistor a (downward in this embodiment). The color identification sensor 70 is a sensor for identifying electrodes c, c,... Formed in a fan shape by being equally divided on the surface of the varistor a, and adjacent surfaces between the electrodes. That is, when the color identification sensor 70 detects white, the electrode c of the varistor a is detected. On the other hand, when the sensor 70 detects black, the varistor element b displayed on the adjacent surface between the electrodes c and c is detected. Identify. Also, this color identification sensor 70
For example, in the measurement station S, the measurement terminal S is disposed at a position corresponding to one measurement terminal 51 of the measurement terminal holder 50.
【0014】続いて、上記に詳述した本発明の円環状多
極電子部品の特性測定装置の動作について以下に説明す
る。既述のように、その電気的特性を測定すべきバリス
ターaは、例えばパーツフィーダ等によって、順次、円
板状搬送テーブル60の収納溝61、61…内に挿入さ
れ、この搬送テーブル60を回転しながら、まず、判別
ステーションCへ搬送される。この時、判別ステーショ
ンCのカラー識別センサー70により白色を検出したと
きは、続く測定ステーションSでは、円筒形取り付けホ
ルダー30内のエアシリンダー40をそのまま下方に移
動させ、その駆動軸41の先端に取り付けた測定端子ホ
ルダー50の複数の電極接触用測定端子51、51…を
下方に搬送されてきたバリスターaの電極c、c…に接
触させ、所定の電気的特性の測定操作を行う。Next, the operation of the above-described device for measuring characteristics of an annular multipolar electronic component of the present invention will be described. As described above, the varistors a whose electrical characteristics are to be measured are sequentially inserted into the storage grooves 61 of the disk-shaped transfer table 60 by, for example, a parts feeder. While rotating, it is first transported to the discrimination station C. At this time, when white color is detected by the color identification sensor 70 of the discrimination station C, in the subsequent measurement station S, the air cylinder 40 in the cylindrical mounting holder 30 is moved downward as it is, and attached to the tip of the drive shaft 41. Are brought into contact with the electrodes c, c,... Of the varistor a conveyed downward, and a measurement operation of predetermined electrical characteristics is performed.
【0015】一方、判別ステーションCにおいてカラー
識別センサー70が黒色を検出したときには、続く測定
ステーションでは、円筒形取り付けホルダー30の上方
に設けられたモータ31により、扇状電極の開き角12
0度の半分の60度だけ矢印方向に回転する。その後、
上記と同様に、円筒形取り付けホルダー30内のエアシ
リンダー40を下方に移動させ、駆動軸41の先端に取
り付けた測定端子ホルダー50の電極接触用測定端子5
1、51…をバリスターaの電極c、c…に接触させて
所定の測定操作を行う。On the other hand, when the color discrimination sensor 70 detects black in the discrimination station C, the motor 31 provided above the cylindrical mounting holder 30 causes the opening angle of the fan-shaped electrode to 12 in the subsequent measurement station.
It rotates in the direction of the arrow by 60 degrees, which is half of 0 degrees. afterwards,
Similarly to the above, the air cylinder 40 in the cylindrical mounting holder 30 is moved downward, and the electrode contact measuring terminal 5 of the measuring terminal holder 50 attached to the tip of the drive shaft 41 is moved.
1, 51... Are brought into contact with the electrodes c, c.
【0016】すなわち、本発明の円環状多極電子部品の
特性測定装置によれば、判別ステーションCにおいて、
カラー識別センサー70によりバリスターaの搬送位置
を確認し、すなわち、センサー70が白色を感知するこ
とにより、測定端子51がバリスターaの電極c上にあ
ることを、他方、黒色であることを感知することにより
測定端子51がバリスターaの電極c、c間の、すなわ
ち、電極c、cの境界面近くに位置していることを検知
する。そして、この検知結果に基づいて、円筒形取り付
けホルダー30をの上方に設けられたモータ31を所定
の角度だけ、上記実施例では黒色を感知した時に60度
だけ回転し、測定端子51が確実にバリスターaの電極
c上に確実に接触するようにしたものである。That is, according to the characteristic measuring apparatus for an annular multipolar electronic component of the present invention,
The transfer position of the varistor a is confirmed by the color identification sensor 70, that is, when the sensor 70 detects white, it is determined that the measurement terminal 51 is on the electrode c of the varistor a, and that the measurement terminal 51 is black. By sensing, it is detected that the measurement terminal 51 is located between the electrodes c and c of the varistor a, that is, near the boundary surface between the electrodes c and c. Then, based on this detection result, the motor 31 provided above the cylindrical mounting holder 30 is rotated by a predetermined angle, in the above embodiment, by 60 degrees when black is detected, and the measuring terminal 51 is securely rotated. This ensures contact with the electrode c of the varistor a.
【0017】なお、上記の実施例では、表面に3個の電
極c、c…を設けたバリスターaの電気的特性測定装置
についてのみ述べたが、本発明はこれのみに限定される
ことなく、例えば4個あるいはそれ以上の電極を設けた
多極電子部品についても適用可能であることは明かであ
る。その場合、例えば4個の電極を設けたバリスターで
は、カラー識別センサーが黒色を感知した場合には上記
モータ31を45度だけ回動すればよいことは明かであ
ろう。さらに、上記カラー識別センサーの取り付け位置
についても、必ずしもこれを測定端子の位置に対応させ
る必要はなく、所定の位置関係の場所に取り付ければ足
る。例えば、このカラー識別センサーを測定端子51、
51間の中央に取り付けた場合には、センサーが黒色を
感知した場合にはそのまま測定端子51を降下させれば
良く、他方、白色の場合には所定の角度(60度)だけ
回動させて降下させる。In the above embodiment, only the electrical characteristic measuring device of the varistor a provided with three electrodes c, c... On the surface has been described, but the present invention is not limited to this. For example, it is apparent that the present invention can be applied to a multipolar electronic component having four or more electrodes. In this case, for example, in a varistor provided with four electrodes, it is clear that the motor 31 only needs to be rotated by 45 degrees when the color identification sensor detects black. Further, the mounting position of the color identification sensor does not necessarily have to correspond to the position of the measurement terminal, but may be sufficient if it is mounted at a location having a predetermined positional relationship. For example, this color identification sensor is connected to the measurement terminal 51,
In the case where the sensor is attached to the center between the sensors 51, the measurement terminal 51 may be lowered as it is when the sensor senses black, while it is rotated by a predetermined angle (60 degrees) when it is white. Let go down.
【0018】さらに、上記の実施例においては、測定端
子のより確実な接触を図るため、測定端子ホルダー50
には、3等割に隣接して2本が1組となって合計6本の
測定端子51、51…が植え込まれているが、これに代
え、3等割に1本の、計3本の測定端子としても同様の
効果が得られる。Further, in the above-described embodiment, the measuring terminal holder 50 is used in order to more securely contact the measuring terminals.
Include, but two adjacent three such split is set and turned a total of six measurement terminals 51, 51 are ... are implanted, instead of this, the one to three such split, total Similar effects can be obtained with three measurement terminals.
【0019】[0019]
【発明の効果】以上説明した様に、本発明の円環状多極
電子部品の特性測定装置によれば、その電気的特性を測
定すべき円環状多極電子部品の電極の位置を検知し、そ
の検知結果に基づいて円筒形取り付けホルダー30の上
方に設けられたモータ31を回動することにより、測定
端子の降下する位置を搬送板上の円環状多極電子部品の
電極位置に確実に接触させることが可能となり、測定端
子が電極に接触せずに生じるノーコンタクト状態や電極
の境界付近に接触することによる測定精度の低下を確実
に防止し、安定な電気的特性の測定が可能になる。As described above, according to the device for measuring the characteristics of an annular multipolar electronic component of the present invention, the position of the electrode of the annular multipolar electronic component whose electrical characteristics are to be measured is detected. By rotating the motor 31 provided above the cylindrical mounting holder 30 based on the detection result, the lowering position of the measuring terminal is securely brought into contact with the electrode position of the annular multipolar electronic component on the carrier plate. It is possible to reliably prevent a decrease in measurement accuracy due to a contactless state that occurs without the measurement terminal coming into contact with the electrode or a contact near the boundary of the electrode, enabling stable measurement of electrical characteristics. .
【図1】本発明の一実施例である円環状多極電子部品の
特性測定装置の要部を説明するための一部拡大斜視図で
ある。FIG. 1 is a partially enlarged perspective view for explaining a main part of an apparatus for measuring characteristics of an annular multipolar electronic component according to an embodiment of the present invention.
【図2】上記円環状多極電子部品の特性測定装置の全体
外観を示す全体斜視図である。FIG. 2 is an overall perspective view showing an overall appearance of the device for measuring characteristics of an annular multipolar electronic component.
【図3】上記測定装置により電気的特性を測定する円環
状多極電子部品の構造を説明するための斜視図である。FIG. 3 is a perspective view for explaining a structure of an annular multipolar electronic component for measuring electric characteristics by the measuring device.
【図4】従来技術による円環状多極電子部品の特性測定
方法の説明図である。FIG. 4 is an explanatory diagram of a method for measuring characteristics of an annular multipolar electronic component according to a conventional technique.
30 円筒形取り付けホルダー 31 モータ 40 エアシリンダー 50 測定端子ホルダー 51 測定端子 60 搬送テーブル 61 収納溝 70 カラー識別センサー a バリスター b 部品素体(電極間) c 電極 S 測定ステーション C 判別ステーション Reference Signs List 30 cylindrical mounting holder 31 motor 40 air cylinder 50 measuring terminal holder 51 measuring terminal 60 transfer table 61 storage groove 70 color identification sensor a varistor b component body (between electrodes) c electrode S measurement station C determination station
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6,DB名) G01R 31/00 G01R 31/28 - 31/3193 G01R 1/06 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) G01R 31/00 G01R 31/28-31/3193 G01R 1/06
Claims (1)
体の主面上に等角度毎に分割形成された扇状電極の整数
倍の数だけ、円周方向に等角度間隔で、当該電極接触用
の測定端子を1本または1組ずつ設けた円環状多極電子
部品の特性測定装置において、前記部品本体の扇状電極
の間の境界面をその色で感知するカラー識別センサーを
設け、さらに、前記カラー識別センサーによって感知し
た電極間の境界面から所定の角度だけ前記電極接触用測
定端子を回転移動する回動手段を設けたことを特徴とす
る円環状多極電子部品の特性測定装置。1. An electrode having an angular number equal to an integral multiple of a fan-shaped electrode divided at equal angles on a main surface of an annular component main body whose electrical characteristics are to be measured. In a characteristic measuring device for an annular multipolar electronic component provided with one or a set of measuring terminals for contact, a color identification sensor for sensing a boundary surface between fan-shaped electrodes of the component main body with its color is provided, A rotating means for rotating the electrode contact measuring terminal by a predetermined angle from a boundary surface between the electrodes sensed by the color identification sensor;
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4255890A JP2950488B2 (en) | 1992-08-31 | 1992-08-31 | Device for measuring characteristics of toroidal multipolar electronic components |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4255890A JP2950488B2 (en) | 1992-08-31 | 1992-08-31 | Device for measuring characteristics of toroidal multipolar electronic components |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0682506A JPH0682506A (en) | 1994-03-22 |
JP2950488B2 true JP2950488B2 (en) | 1999-09-20 |
Family
ID=17284996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4255890A Expired - Lifetime JP2950488B2 (en) | 1992-08-31 | 1992-08-31 | Device for measuring characteristics of toroidal multipolar electronic components |
Country Status (1)
Country | Link |
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JP (1) | JP2950488B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7167007B2 (en) * | 2004-04-07 | 2007-01-23 | Georgia Tech Research Corporation | Apparatus and method for field testing MOV arresters |
CN102183717B (en) * | 2010-12-29 | 2013-05-29 | 淄博盛康电气有限公司 | Four-probe piezoresistor tester and grading test method thereof |
JP2017083373A (en) * | 2015-10-30 | 2017-05-18 | セイコーエプソン株式会社 | Electronic component conveyance apparatus and electronic component inspection apparatus |
-
1992
- 1992-08-31 JP JP4255890A patent/JP2950488B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0682506A (en) | 1994-03-22 |
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