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JP4773683B2 - Coordinate input device - Google Patents

Coordinate input device Download PDF

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Publication number
JP4773683B2
JP4773683B2 JP2003376733A JP2003376733A JP4773683B2 JP 4773683 B2 JP4773683 B2 JP 4773683B2 JP 2003376733 A JP2003376733 A JP 2003376733A JP 2003376733 A JP2003376733 A JP 2003376733A JP 4773683 B2 JP4773683 B2 JP 4773683B2
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Japan
Prior art keywords
base
input device
coordinate input
circuit board
printed circuit
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JP2005141462A (en
Inventor
信洋 大浦
平野　　伸児
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Alps Alpine Co Ltd
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Alps Electric Co Ltd
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Priority to JP2003376733A priority Critical patent/JP4773683B2/en
Priority to CNB2004100923179A priority patent/CN1310265C/en
Publication of JP2005141462A publication Critical patent/JP2005141462A/en
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  • Input From Keyboards Or The Like (AREA)
  • Position Input By Displaying (AREA)
  • Switches With Compound Operations (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)

Description

本発明は座標入力装置に係わり、ディスプレイ上のカーソル等の位置を制御可能な座標入力装置に関する。   The present invention relates to a coordinate input device, and more particularly to a coordinate input device capable of controlling the position of a cursor or the like on a display.

従来の座標入力装置５１は、図５に示すように、合成樹脂等の成型品から成る操作部材５２が配設され、この操作部材５２は、外形が８角形状の基部５３とこの基部５３から直立する操作部５４とからなっている。
前記操作部５４の周囲の基部５３の４方向には、三角孔５３ａと、この三角孔５３ａ、５３ａに挟まれた部分の４箇所に、それぞれ梁部５３ｂが形成されている。
また、基部５３の下面には凹部５３ｃが所定深さで形成され、この凹部５３ｃが形成された部分の基部５３は薄肉になっている。 As shown in FIG. 5, the conventional coordinate input device 51 is provided with an operation member 52 made of a molded product such as a synthetic resin. The operation member 52 includes an octagonal base 53 and a base 53. The operation unit 54 stands upright.
In the four directions of the base 53 around the operation portion 54, beam portions 53b are formed at four locations of the triangular hole 53a and the portion sandwiched between the triangular holes 53a and 53a, respectively.
Further, a concave portion 53c is formed at a predetermined depth on the lower surface of the base portion 53, and the base portion 53 where the concave portion 53c is formed is thin.

また、基部５３の下面で凹部５３ｃの天井部には、フレキシブル基板５５が接着剤等で固着されている。前記フレキシブル基板５５には、基部５３の梁部５３ｂと対向する部分の４箇所に、それぞれ検出素子（図示せず）が形成されている。
前記検出素子は、フレキシブル基板５５に印刷形成した抵抗体からなり、操作部５４の傾倒操作による梁部５３ｂの伸び縮みに連動して、抵抗値が変化するようになっている。
また、基部５３と対向する側には、取付板５６が配設されており、この取付板５６は、基部５３と対向する支持部５６ａの外周部に、４個の脚部５６ｂが直立して形成されている。 A flexible substrate 55 is fixed to the ceiling of the recess 53c on the lower surface of the base 53 with an adhesive or the like. On the flexible substrate 55, detection elements (not shown) are respectively formed at four portions of the base 53 facing the beam portion 53b.
The detection element is formed of a resistor printed on the flexible substrate 55, and the resistance value changes in conjunction with the expansion and contraction of the beam portion 53b caused by the tilting operation of the operation portion 54.
A mounting plate 56 is disposed on the side facing the base 53, and the mounting plate 56 has four legs 56 b upright on the outer periphery of the support 56 a facing the base 53. Is formed.

前記取付板５６には、支持部５６ａから３方に延びて腕部５６ｃがそれぞれ形成され、この腕部５６ｃには、それぞれ取付孔５６ｄが貫通形成されている。
そして、取付板５６の支持部５６ａ上に、操作部材５２の基部５３を位置させて、脚部５６ｂの先端をカシメ付けて、操作部材５２と取付板５６とが一体化されている。 The mounting plate 56 is formed with arm portions 56c extending in three directions from the support portion 56a, and mounting holes 56d are formed through the arm portions 56c.
The operation member 52 and the attachment plate 56 are integrated by positioning the base 53 of the operation member 52 on the support portion 56a of the attachment plate 56 and caulking the tip of the leg portion 56b.

このような従来の座標入力装置５１を用いたキーボード入力装置には、図６に示すように、下部に金属板からなるメタルフレーム６１が配設され、このメタルフレーム６１の所定位置に３個の凸部６１ａが、後述する接点部６２ａと干渉しない位置に突出形成されている。
また、メタルフレーム６１の上面には、複数の接点部６２ａが互いに所定の隙間を有して対向形成されたシート状のメンブレンスイッチ６２が載置されている。 In such a keyboard input device using the conventional coordinate input device 51, as shown in FIG. 6, a metal frame 61 made of a metal plate is disposed at the lower portion, and three metal frames 61 are arranged at predetermined positions on the metal frame 61. The convex portion 61a is formed to project at a position where it does not interfere with a contact portion 62a described later.
Further, on the upper surface of the metal frame 61, a sheet-like membrane switch 62 in which a plurality of contact portions 62a are formed to face each other with a predetermined gap is placed.

また、メンブレンスイッチ６２には、３個の凸部６１ａが位置する部分に、座標入力装置５２の取付板５６の外形とほぼ同じ形状の開口部６２ｂが形成されている。また、図６に示すメンブレンスイッチ６２の後方側には、複数の接点部６２ａに接続された配線パターン６２ｃを引き出しするための端子部６２ｄが導出している。
そして、開口部６２ｂに取付板５６を位置させると、３個の凸部６１ａに取付板５６の取付孔５６ｄが嵌合し、この凸部６１ａをカシメ付けることで、座標入力装置５１がキーボード入力装置に一体化される。
また、複数の接点部６２ａ上には、接点部６２ａの数に対応した数の操作キー（図示せず）が実装されており、この操作キーに囲まれた位置に座標入力装置５１の操作部５４が位置して傾倒操作可能になっている。 The membrane switch 62 is formed with an opening 62b having substantially the same shape as the outer shape of the mounting plate 56 of the coordinate input device 52 at a position where the three convex portions 61a are located. Further, on the rear side of the membrane switch 62 shown in FIG. 6, a terminal portion 62d for leading out the wiring pattern 62c connected to the plurality of contact portions 62a is led out.
Then, when the mounting plate 56 is positioned in the opening 62b, the mounting holes 56d of the mounting plate 56 are fitted into the three convex portions 61a, and the coordinate input device 51 inputs the keyboard by caulking the convex portions 61a. Integrated into the device.
In addition, operation keys (not shown) corresponding to the number of contact parts 62a are mounted on the plurality of contact parts 62a, and the operation parts of the coordinate input device 51 are located at positions surrounded by the operation keys. 54 is positioned and can be tilted.

このような従来の座標入力装置５１は、操作部５４を所定の方向に傾倒操作することにより、梁部５３ｂがそれぞれ伸び縮みする。
すると、梁部５３ｂの下面のフレキシブル基板５５に形成した検出素子が伸び縮みして、それぞれの検出素子の抵抗値が変化する。
前記それぞれの検出素子の抵抗値の変化を制御部（図示せず）が検出すると、抵抗値の変化量に対応して、例えばパーソナルコンピュータ等のディスプレー上のカーソルを所望に位置に移動させることができるようになっている。
特開２０００−２１４９８５号公報 In such a conventional coordinate input device 51, the beam portion 53b expands and contracts by tilting the operation portion 54 in a predetermined direction.
Then, the detection elements formed on the flexible substrate 55 on the lower surface of the beam portion 53b expand and contract, and the resistance value of each detection element changes.
When a control unit (not shown) detects a change in the resistance value of each of the detection elements, a cursor on a display such as a personal computer can be moved to a desired position in accordance with the amount of change in the resistance value. It can be done.
JP 2000-214985 A

しかし、前述したような従来の座標入力装置は、接点部６２ａと接点部６２ａとの間隔が狭くなると、取付板５６の腕部５６ｃを取り付けることができなくなるので、接点部６２ａと接点部６２ａとの間隔がある程度広くなければならなかった。そのために、座標入力装置５１の取付位置が限定されて、従来の座標入力装置５１を用いたキーボード入力装置の設計の自由度が狭くなるという問題があった。
また、取付板５６のメタルフレーム６１への取付は、腕部５６ｃが接点部６２ａに干渉しないように３箇所になっていたために、検出素子の検出感度バランスがくずれてしまうおそれがあった。
本発明は前述したような課題を解決するもので、本発明の座標入力装置を用いる装置側の設計の自由度を拡げることができると共に、検出素子の検出感度バランスを改善させることができる座標入力装置を提供することを目的とする。 However, in the conventional coordinate input device as described above, the arm portion 56c of the mounting plate 56 cannot be attached when the distance between the contact portion 62a and the contact portion 62a becomes narrow, so the contact portion 62a and the contact portion 62a The distance between them had to be wide to some extent. Therefore, there is a problem in that the mounting position of the coordinate input device 51 is limited, and the degree of freedom in designing the keyboard input device using the conventional coordinate input device 51 is narrowed.
Further, the attachment plate 56 is attached to the metal frame 61 at three locations so that the arm portion 56c does not interfere with the contact portion 62a, and there is a possibility that the detection sensitivity balance of the detection element is lost.
The present invention solves the problems as described above, and can expand the degree of freedom of design on the device side using the coordinate input device of the present invention, and can improve the detection sensitivity balance of the detection elements. An object is to provide an apparatus.

前記課題を解決するための第１の手段として本発明の座標入力装置は、所定厚さの基部とこの基部から直立形成された操作部とを有する操作部材と、前記操作部の傾倒量および傾倒方向を検出可能な検出素子とを備え、前記操作部材は、前記基部が所定の大きさのプリント基板の上面に載置可能とされ、前記プリント基板の下面に配設した取付板を介して前記基部が固定されており、前記基部の下面と前記プリント基板の前記上面との間には、所定寸法の隙間が形成され、前記隙間が形成された部分の前記基部の前記下面には、フレキシブル基板が固着され、前記フレキシブル基板における前記基部の下面側には、複数の前記検出素子が形成され、前記基部には、前記操作部の周方向に対して等間隔に複数の捨て孔が形成され、前記基部のうち前記各捨て孔に挟まれた部分は、それぞれ梁部とされ、前記基部の下面には、前記梁部を薄肉にするための凹部が形成されており、前記操作部材と前記フレキシブル基板と前記取付板とを一体化した前記プリント基板が、キーボード入力装置におけるフレームの下面から取り付けられ、前記操作部が前記フレームに形成された孔を挿通して前記キーボード入力装置における複数の操作キーの間に配置されることを特徴とする。
As a first means for solving the above problems, the coordinate input device of the present invention includes an operation member having a base portion having a predetermined thickness and an operation portion formed upright from the base portion, and a tilt amount and a tilt of the operation portion. A detecting element capable of detecting a direction, and the operation member is configured such that the base portion can be placed on an upper surface of a printed board having a predetermined size and the mounting member is disposed on the lower surface of the printed board via an attachment plate. A base is fixed, a gap having a predetermined dimension is formed between the bottom surface of the base and the top surface of the printed circuit board, and a flexible substrate is formed on the bottom surface of the base where the gap is formed. Is fixed, a plurality of the detection elements are formed on the lower surface side of the base portion in the flexible substrate, a plurality of disposal holes are formed in the base portion at equal intervals in the circumferential direction of the operation portion, The base Portion in which the sandwiched each discarded holes are respectively the beam portion, the lower surface of the base, the and the beam portion is a recess for the thin, the said operating member and the flexible substrate attached The printed circuit board integrated with a board is attached from the lower surface of the frame in the keyboard input device, and the operation portion is inserted between holes formed in the frame and arranged between the plurality of operation keys in the keyboard input device. It is characterized by being.

また、前記課題を解決するための第２の手段として、前記取付板は、前記基部を前記プリント基板に固定可能な複数の脚部を有し、前記プリント基板には、前記脚部が貫通可能な複数の孔が形成されていることを特徴とする。   As a second means for solving the above-mentioned problem, the mounting plate has a plurality of legs that can fix the base to the printed circuit board, and the legs can penetrate the printed circuit board. A plurality of holes are formed.

また、前記課題を解決するための第３の手段として、前記取付板は、金属板からなり、前記孔を貫通した前記脚部は、前記基部をカシメによって前記プリント基板に固定可能になっていることを特徴とする。   Further, as a third means for solving the above-mentioned problem, the mounting plate is made of a metal plate, and the leg portion penetrating the hole can be fixed to the printed board by caulking the base portion. It is characterized by that.

本発明の座標入力装置の検出素子は、基部の下面とプリント基板の上面との間の隙間に配置されたフレキシブル配線基板における基部の下面側に複数形成され、操作部材は、プリント基板の下面に配設した取付板を介して基部が固定されているので、座標入力装置をモジュール化でき、モジュール化することで、接点部の間隔が狭くなっても取り付け可能である。
また、ゲーム機あるいは携帯電話機等にも取り付けることができ、広範囲に使用することができる。
さらに、検出素子は、フレキシブル基板に複数形成され、隙間が形成された部分の基部の下面に、フレキシブル基板が固着されているので、操作部材に検出素子を形成するのが容易である。
さらにまた、基部には、複数の捨て孔が形成され、各捨て孔に挟まれた部分に各梁部が形成され、かつ梁部を薄肉にするための凹部が形成されているので、基部は、操作部の傾倒操作に連動して容易に撓み可能となっている。 A plurality of detection elements of the coordinate input device of the present invention are formed on the lower surface side of the base portion of the flexible wiring board disposed in the gap between the lower surface of the base portion and the upper surface of the printed circuit board, and the operation member is formed on the lower surface of the printed circuit board. Since the base is fixed via the provided mounting plate, the coordinate input device can be modularized and can be mounted even if the interval between the contact portions is narrowed by modularization.
Further, it can be attached to a game machine or a mobile phone, and can be used in a wide range.
Furthermore, since a plurality of detection elements are formed on the flexible substrate and the flexible substrate is fixed to the lower surface of the base portion where the gap is formed, it is easy to form the detection element on the operation member.
Furthermore, a plurality of throwing holes are formed in the base portion, each beam portion is formed in a portion sandwiched between the throwing holes, and a concave portion for making the beam portion thin is formed. It can be easily bent in conjunction with the tilting operation of the operation unit.

また、取付板は、基部をプリント基板に固定可能な複数の脚部を有し、プリント基板には、脚部が貫通可能な複数の孔が形成されているので、操作部材をプリント基板に取付板の脚部で容易に固定することができ、組立性がよい。   In addition, the mounting plate has a plurality of legs that can fix the base to the printed circuit board, and the printed circuit board has a plurality of holes through which the legs can pass, so the operation member is attached to the printed circuit board. It can be easily fixed by the leg portion of the plate, and the assemblability is good.

また、取付板は、金属板からなり、孔を貫通した脚部は、カシメによって基部をプリント基板に固定可能になっているので、更に組立性が良い。
また、従来の取付板のみの土台と違い、本発明は取付板とプリント基板が土台となっているので、剛性が高く、操作部に加えた力を精度良く検出素子で検出可能であり、検出感度バランスも向上させることができる。 Further, the mounting plate is made of a metal plate, and the leg portion penetrating the hole can be fixed to the printed board by caulking, so that the assemblability is further improved.
In addition, unlike the conventional mounting plate-only base, the present invention is based on the mounting plate and the printed circuit board, so the rigidity is high and the force applied to the operation unit can be detected with high accuracy by the detection element. Sensitivity balance can also be improved.

以下、図面に基づいて本発明の実施の形態について説明する。まず、図１は本発明の座標入力装置の斜視図であり、図２は本発明の座標入力装置の分解斜視図であり、図３は本発明の座標入力装置を用いたキーボード入力装置の平面図であり、図４は本発明に係わるフレキシブル基板の斜視図である。
まず、本発明の座標入力装置１は、図１、２に示すように、合成樹脂等を成型加工して形成した操作部材２が配設されている。前記操作部材２は、所定厚さで外形が略８角形の基部３が形成され、この基部３の中央部から四角柱状あるいは円柱状のの操作部４が直立形成されている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 is a perspective view of the coordinate input device of the present invention, FIG. 2 is an exploded perspective view of the coordinate input device of the present invention, and FIG. 3 is a plan view of a keyboard input device using the coordinate input device of the present invention. FIG. 4 is a perspective view of a flexible substrate according to the present invention.
First, the coordinate input device 1 of the present invention is provided with an operation member 2 formed by molding synthetic resin or the like as shown in FIGS. The operation member 2 has a base 3 having a predetermined thickness and a substantially octagonal outer shape, and a quadrangular columnar or columnar operation portion 4 is formed upright from the center of the base 3.

前記基部３には、操作部４の周囲に、４箇所の等間隔の位置に略三角状の捨て孔３ａが形成され、この捨て孔３ａに挟まれた部分に、梁部３ｂがそれぞれ形成されている。前記梁部３ｂは、操作部４の矢印Ａ、Ｂ方向への傾倒操作に連動して撓み可能な厚さに形成されている。
また、基部３の下面には、所定深さで凹部３ｃが形成され、この凹部３ｃが形成された部分の梁部３ｂが薄肉になって撓み可能になっている。
また、基部３には、捨て孔３ａの外側で隣り合う梁部３ｂと梁部３ｂとの間に桟部３ｄが形成されて、基部３の外形が略８角形になっている。 The base portion 3 is formed with substantially triangular discard holes 3a at four equally spaced positions around the operation portion 4, and beam portions 3b are formed at portions sandwiched between the discard holes 3a. ing. The beam portion 3b is formed to have a thickness that can be bent in conjunction with the tilting operation of the operation portion 4 in the directions of arrows A and B.
Further, a concave portion 3c is formed at a predetermined depth on the lower surface of the base portion 3, and the beam portion 3b of the portion where the concave portion 3c is formed is thin and can be bent.
Further, the base 3 is formed with a crosspiece 3d between the beam 3b and the beam 3b adjacent to each other outside the discard hole 3a, and the outer shape of the base 3 is substantially octagonal.

また、四角柱状または円柱状の操作部４には、ゴム等からなるキャップ５が圧入されて取り付けられている。
また、基部３の下面で凹部３ｃの天井面には、ポリイミド樹脂から成るフレキシブル基板（以下ＦＰＣと称する）６が接着剤等で固着されている。
前記ＦＰＣ６は、図４に示すように、基部３の凹部３ｃの天井面に取り付け可能な外形が略８角形状の取付部６ａと、この取付部６ａの一端部から延出する端子部６ｂとが形成されている。 Further, a cap 5 made of rubber or the like is press-fitted and attached to the quadrangular columnar or columnar operation portion 4.
A flexible substrate (hereinafter referred to as FPC) 6 made of polyimide resin is fixed to the ceiling surface of the recess 3c on the lower surface of the base portion 3 with an adhesive or the like.
As shown in FIG. 4, the FPC 6 includes a mounting portion 6 a having a substantially octagonal outer shape that can be mounted on the ceiling surface of the recess 3 c of the base portion 3, and a terminal portion 6 b that extends from one end of the mounting portion 6 a. Is formed.

前記取付部６ａの下面側または上面側で、ＦＰＣ６を基部３の凹部３ｃに固着したときに梁部３ｂと対向する部分に、印刷等によって抵抗体等の歪み検出素子から成る検出素子６ｃが４箇所に等間隔の位置に形成されている。
前記それぞれの検出素子６ｃには、配線パターン（図示せず）が接続形成され、この配線パターンが取付部６ａから端子部６ｂに引き回しされて形成されている。
そして、検出素子６ｃは、操作部４を傾倒操作して複数の梁部３ｂの撓みに連動して、ＦＰＣ６を介して伸び縮みする。この検出素子６ｃの伸び縮みで、抵抗値が変化するようになっている。 On the lower surface side or the upper surface side of the mounting portion 6a, there are four detection elements 6c made of a strain detection element such as a resistor by printing or the like at a portion facing the beam portion 3b when the FPC 6 is fixed to the concave portion 3c of the base portion 3. It is formed at equally spaced positions in places.
Each detection element 6c is connected and formed with a wiring pattern (not shown), and this wiring pattern is formed by being routed from the attachment portion 6a to the terminal portion 6b.
Then, the detection element 6c extends and contracts via the FPC 6 in conjunction with the bending of the plurality of beam portions 3b by tilting the operation unit 4. The resistance value is changed by the expansion and contraction of the detection element 6c.

また、操作部材２は、基部３が所定の大きさのプリント基板７の上面に載置されて取付可能になっている。前記プリント基板７には、４個のスリット状の孔７ａが互いに等間隔の位置に貫通形成されている。
また、プリント基板７の下面側には、金属板からなる取付板８が配設されている。前記取付板８は、プリント基板７の下面に密着可能な平端部８ａと、この平坦部８ａの外周部の４箇所を、上方に折り曲げて４個の脚部８ｂが直立して形成されており、４個の脚部８ｂが、プリント基板７の孔７ａに挿通可能になっている。尚、図２に示す取付板８の脚部８ｂは、先端部が内側に略直角に折り曲げられてコ字状になっているが、これは組立後の脚部を示すもので、組立前の脚部６ｂは、先端部が曲がらない垂直状になっている The operation member 2 can be mounted with the base 3 placed on the upper surface of a printed circuit board 7 having a predetermined size. The printed circuit board 7 has four slit-like holes 7a formed at equal intervals.
A mounting plate 8 made of a metal plate is disposed on the lower surface side of the printed circuit board 7. The mounting plate 8 is formed such that four leg portions 8b are erected by bending up four portions of a flat end portion 8a that can be in close contact with the lower surface of the printed circuit board 7 and an outer peripheral portion of the flat portion 8a. Four leg portions 8 b can be inserted into the holes 7 a of the printed circuit board 7. Note that the leg 8b of the mounting plate 8 shown in FIG. 2 has a U-shape with its tip end bent at a substantially right angle inside, but this indicates the leg after assembly. The leg 6b has a vertical shape in which the tip does not bend.

前述したような構成の座標入力装置１の組立は、まず、検出素子６ｃを４箇所に印刷形成したＦＰＣ６を操作部材２の基部３の下面で凹部３ｃの天井面に接着剤等で固着する。
その後、基部３のそれぞれの桟部３ｄをプリント基板７の孔７ａに位置合わせして、プリント基板７に操作部材２を治具（図示せず）等で固定する。この状態のプリント基板７の下面側の取付板８を位置させて、脚部８ｂを孔７ａの挿通する。 In assembling the coordinate input device 1 having the above-described configuration, first, the FPC 6 having the detection elements 6c printed and formed at four locations is fixed to the ceiling surface of the recess 3c on the lower surface of the base 3 of the operation member 2 with an adhesive or the like.
Thereafter, each crosspiece 3d of the base 3 is aligned with the hole 7a of the printed circuit board 7, and the operation member 2 is fixed to the printed circuit board 7 with a jig (not shown) or the like. The mounting plate 8 on the lower surface side of the printed circuit board 7 in this state is positioned, and the leg portion 8b is inserted through the hole 7a.

そして、孔７ａから挿通した脚部８ｂは、基部３の桟部３ｄの外側に位置する。この桟部３ｄの外側に位置する脚部８ｂの先端を、操作部４側にカシメ付けることで、操作部材２がプリント基板７に一体化される。
次ぎに、ＦＰＣ６の端子部６ｂをプリント基板７の配線パターン（図示せず）に半田付け等で接続する。また、操作部４の上端部にキャップ５を圧入することにより、本発明の座標入力装置１がモジュール化されて組立される。 And the leg part 8b penetrated from the hole 7a is located in the outer side of the crosspiece part 3d of the base 3. FIG. The operation member 2 is integrated with the printed circuit board 7 by caulking the tip of the leg 8b located outside the crosspiece 3d to the operation unit 4 side.
Next, the terminal portion 6b of the FPC 6 is connected to a wiring pattern (not shown) of the printed circuit board 7 by soldering or the like. Further, the cap 5 is press-fitted into the upper end portion of the operation unit 4 so that the coordinate input device 1 of the present invention is assembled into a module.

このように組み立てられた本発明の座標入力装置１を、例えば図３に示すような、キーボード入力装置１０に用いる場合は、複数の操作キー１１が、メンブレンスイッチ（図示せず）を介してメタルフレーム１２上に配設されている。
そして、メタルフレーム１２の下面の所定位置にプリント基板７をネジ（図示せず）等で取り付けると、操作部４がメタルフレーム１２およびメンブレンスイッチに形成した孔（図示せず）を挿通して、例えば３個の操作キーＧ、Ｈ、Ｂの各キートップ間に操作部４に圧入したキャップ５が位置する。この時のキャップ５は操作キー１２のトップ面から若干突出した状態となる。 When the coordinate input device 1 of the present invention assembled in this way is used for a keyboard input device 10 as shown in FIG. 3, for example, a plurality of operation keys 11 are made of metal via a membrane switch (not shown). It is disposed on the frame 12.
When the printed circuit board 7 is attached to a predetermined position on the lower surface of the metal frame 12 with a screw (not shown) or the like, the operation unit 4 is inserted through a hole (not shown) formed in the metal frame 12 and the membrane switch, For example, a cap 5 press-fitted into the operation unit 4 is located between the key tops of three operation keys G, H, and B. At this time, the cap 5 slightly protrudes from the top surface of the operation key 12.

このような本発明の座標入力装置１を取り付けたキーボード入力装置１０は、操作者が所望の操作キー１２を操作しながら、左手または右手の人差し指で容易に座標入力装置１の操作部４を傾倒操作することができる。
そして、操作部４が傾倒すると、梁部３ｂが撓んで伸び縮みする。この梁部３ｂの伸び縮みに連動して、ＦＰＣ６を介して検出素子６ｃが伸び縮みする。前記検出素子６ｃは、伸びると抵抗値が増加し、縮むと抵抗値が減少して電圧が変化する。この検出素子６ｃ間で電圧差を制御部（図示せず）が検出して、例えばパーソナルコンピュータ等のディスプレイ上のカーソル等を所望の位置に移動可能になっている。 In the keyboard input device 10 to which the coordinate input device 1 of the present invention is attached, the operator easily tilts the operation unit 4 of the coordinate input device 1 with the left or right index finger while operating the desired operation key 12. Can be operated.
And if the operation part 4 tilts, the beam part 3b will bend and expand / contract. The detection element 6c expands and contracts via the FPC 6 in conjunction with the expansion and contraction of the beam portion 3b. When the detection element 6c expands, the resistance value increases, and when the detection element 6c contracts, the resistance value decreases and the voltage changes. A control unit (not shown) detects a voltage difference between the detection elements 6c, and a cursor on a display such as a personal computer can be moved to a desired position.

本発明の座標入力装置１は、従来のように、面積の大きな取付板５６をメタルフレーム１２の上面に取り付けなくて良いので、取付位置の制約が小さくなり、本発明の座標入力装置１を用いたキーボード入力装置等の設計の自由度が拡がる。そのために、本発明の座標入力装置１の用途が拡大し、ゲーム機あるいは携帯電話等にも用いることができる。   Since the coordinate input device 1 of the present invention does not require the attachment plate 56 having a large area to be attached to the upper surface of the metal frame 12 as in the prior art, the restriction on the attachment position is reduced, and the coordinate input device 1 of the present invention is used. The degree of freedom in designing the keyboard input device etc. that were used is expanded. Therefore, the application of the coordinate input device 1 of the present invention is expanded and can be used for a game machine or a mobile phone.

また、本発明では、抵抗体からなる検出素子６ｃをＦＰＣ６に形成し、このＦＰＣ６を基部３の下面に貼り付けたもので説明したが、基部３の下面に直接検出素子６ｃを形成したものでも良い。
即ち、検出素子６ｃは、プリント基板７と対向する基部３の下面側に複数形成したものであれば良い。 In the present invention, the detection element 6c made of a resistor is formed on the FPC 6 and this FPC 6 is attached to the lower surface of the base 3. However, the detection element 6c may be directly formed on the lower surface of the base 3. good.
In other words, a plurality of detection elements 6c may be formed on the lower surface side of the base 3 facing the printed circuit board 7.

本発明の座標入力装置の斜視図である。It is a perspective view of the coordinate input device of the present invention. 本発明の座標入力装置の分解斜視図である。It is a disassembled perspective view of the coordinate input device of this invention. 本発明の座標入力装置を用いたキーボード入力装置の平面図である。It is a top view of the keyboard input device using the coordinate input device of this invention. 本発明に係わるフレキシブル基板の斜視図である。It is a perspective view of the flexible substrate concerning the present invention. 従来の座標入力装置の斜視図である。It is a perspective view of the conventional coordinate input device. キーボード入力装置への従来の座標入力装置の取付を説明する斜視図である。It is a perspective view explaining attachment of the conventional coordinate input device to a keyboard input device.

符号の説明Explanation of symbols

１ 本発明の座標入力装置
２ 操作部材
３ 基部
３ａ 捨て孔
３ｂ 梁部
３ｃ 凹部
３ｄ 桟部
４ 操作部
５ キャップ
６ フレキシブル基板（ＦＰＣ）
６ａ 取付部
６ｂ 端子部
６ｃ 検出素子
７ プリント基板
７ａ 孔
８ 取付板
８ａ 平坦部
８ｂ 脚部
DESCRIPTION OF SYMBOLS 1 Coordinate input apparatus 2 Operation member 3 Base part 3a Throw hole 3b Beam part 3c Recessed part 3d Crosspiece part 4 Operation part 5 Cap 6 Flexible substrate (FPC)
6a Mounting portion 6b Terminal portion 6c Detection element 7 Printed circuit board 7a Hole 8 Mounting plate 8a Flat portion 8b Leg portion

Claims (3)

所定厚さの基部とこの基部から直立形成された操作部とを有する操作部材と、前記操作部の傾倒量および傾倒方向を検出可能な検出素子とを備え、
前記操作部材は、前記基部が所定の大きさのプリント基板の上面に載置可能とされ、前記プリント基板の下面に配設した取付板を介して前記基部が固定されており、
前記基部の下面と前記プリント基板の前記上面との間には、所定寸法の隙間が形成され、
前記隙間が形成された部分の前記基部の前記下面には、フレキシブル基板が固着され、
前記フレキシブル基板における前記基部の下面側には、複数の前記検出素子が形成され、
前記基部には、前記操作部の周方向に対して等間隔に複数の捨て孔が形成され、
前記基部のうち前記各捨て孔に挟まれた部分は、それぞれ梁部とされ、
前記基部の下面には、前記梁部を薄肉にするための凹部が形成されており、
前記操作部材と前記フレキシブル基板と前記取付板とを一体化した前記プリント基板が、キーボード入力装置におけるフレームの下面から取り付けられ、前記操作部が前記フレームに形成された孔を挿通して前記キーボード入力装置における複数の操作キーの間に配置されることを特徴とする座標入力装置。 An operation member having a base portion having a predetermined thickness and an operation portion formed upright from the base portion, and a detection element capable of detecting a tilt amount and a tilt direction of the operation portion;
The operation member is configured such that the base portion can be placed on the upper surface of a printed circuit board having a predetermined size, and the base portion is fixed via an attachment plate disposed on the lower surface of the printed circuit board,
A gap of a predetermined dimension is formed between the lower surface of the base and the upper surface of the printed circuit board,
A flexible substrate is fixed to the lower surface of the base of the portion where the gap is formed,
A plurality of the detection elements are formed on the lower surface side of the base in the flexible substrate,
In the base portion, a plurality of disposal holes are formed at equal intervals with respect to the circumferential direction of the operation portion,
Of the base, the portion sandwiched between the discard holes is a beam,
On the lower surface of the base portion, a recess for making the beam portion thin is formed ,
The printed circuit board in which the operation member, the flexible substrate, and the mounting plate are integrated is attached from a lower surface of a frame in a keyboard input device, and the operation portion is inserted through a hole formed in the frame to input the keyboard. A coordinate input device arranged between a plurality of operation keys in the device. 前記取付板は、前記基部を前記プリント基板に固定可能な複数の脚部を有し、前記プリント基板には、前記脚部が貫通可能な複数の孔が形成されていることを特徴とする請求項１記載の座標入力装置。   The mounting plate has a plurality of legs that can fix the base to the printed board, and the printed board has a plurality of holes through which the legs can pass. Item 2. The coordinate input device according to Item 1. 前記取付板は、金属板からなり、前記孔を貫通した前記脚部は、前記基部をカシメによって前記プリント基板に固定可能になっていることを特徴とする請求項２記載の座標入力装置。   The coordinate input device according to claim 2, wherein the mounting plate is made of a metal plate, and the leg portion penetrating the hole can fix the base portion to the printed board by caulking.
JP2003376733A 2003-11-06 2003-11-06 Coordinate input device Expired - Fee Related JP4773683B2 (en)

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