JPH0235235U - - Google Patents
Info
- Publication number
- JPH0235235U JPH0235235U JP11219288U JP11219288U JPH0235235U JP H0235235 U JPH0235235 U JP H0235235U JP 11219288 U JP11219288 U JP 11219288U JP 11219288 U JP11219288 U JP 11219288U JP H0235235 U JPH0235235 U JP H0235235U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- coordinate input
- circuit
- sheet
- coordinate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 1
Description
第1図は本考案の一実施例の構成説明図、第2
図は従来の座標入力装置の構成説明図、第3図は
従来の装置の問題点の説明図、第4図は前記一実
施例の動作手順を示す流れ図である。
11,12……座標入力装置、13……座標入
力部、14……情報処理回路部、16……面抵抗
、17……電源、20,21,22,23……ス
イツチ群、25……差動出力回路、26……A/
D変換回路、27……中央処理回路、28……イ
ンタフエース回路、29……メモリ。
Figure 1 is an explanatory diagram of the configuration of one embodiment of the present invention;
FIG. 3 is an explanatory diagram of the configuration of a conventional coordinate input device, FIG. 3 is an explanatory diagram of problems with the conventional device, and FIG. 4 is a flowchart showing the operating procedure of the above embodiment. 11, 12... Coordinate input device, 13... Coordinate input unit, 14... Information processing circuit unit, 16... Planar resistance, 17... Power supply, 20, 21, 22, 23... Switch group, 25... Differential output circuit, 26...A/
D conversion circuit, 27...Central processing circuit, 28...Interface circuit, 29...Memory.
Claims (1)
側の座標入力シート上を押圧することによつて座
標を入力する面抵抗座標分割方式の座標入力部と
、この座標入力部からの出力を所定の座標情報に
変換するための情報処理回路部とを具備し、 前記座標入力シートは、電圧の印加を受ける一
対の主電極間の面抵抗を複数の抵抗に区分する補
助電極を適宜数備え、 前記情報処理回路部は、両座標入力シートの主
電極及び補助電極の内から任意の二つの電極を選
択するためのスイツチ群と、スイツチ群によつて
選択された電極に接続されて電位差を求める差動
出力回路と、差動出力回路によつて得たアナログ
情報をデジタル情報に変換するA/D変換回路と
、押圧によつて入力がなされると前記スイツチ群
の開閉を制御するとともにA/D変換回路を経た
信号を処理する中央処理回路とを備え、 かつ、前記中央処理回路は、座標入力シート上
の複数個の電極の中から互いに隣合つた関係にあ
つてしかも押圧位置を挾む一対の電極を選出する
判定回路と、 判定回路の選出した一対の電極の内の一方を基
準電極としてこの基準電極と押圧位置までの距離
を面抵抗上での電位差の比に基づいて算出し、こ
の距離と前記基準電極の座標入力シート上での位
置情報とを加算することによつて、押圧位置のシ
ート上での座標を決定する演算回路とを備えたこ
とを特徴とする座標入力装置。[Claims for Utility Model Registration] A coordinate input unit using a surface resistance coordinate division method, which includes two overlapping coordinate input sheets and inputs coordinates by pressing the upper coordinate input sheet; an information processing circuit section for converting the output from the input section into predetermined coordinate information, and the coordinate input sheet divides the sheet resistance between the pair of main electrodes to which a voltage is applied into a plurality of resistances. The information processing circuit section includes an appropriate number of auxiliary electrodes, and includes a switch group for selecting any two electrodes from the main electrode and the auxiliary electrode on both coordinate input sheets, and an electrode selected by the switch group. A differential output circuit is connected to the differential output circuit to determine the potential difference, an A/D conversion circuit converts the analog information obtained by the differential output circuit to digital information, and when an input is made by pressing, the switch group A central processing circuit that controls opening/closing and processes signals passed through an A/D conversion circuit, and the central processing circuit selects electrodes adjacent to each other from among the plurality of electrodes on the coordinate input sheet. In addition, there is a judgment circuit that selects a pair of electrodes that sandwich the pressing position, and one of the pair of electrodes selected by the judgment circuit is used as a reference electrode, and the distance between this reference electrode and the pressing position is calculated as the potential difference on the sheet resistance. and an arithmetic circuit that determines the coordinates of the pressed position on the sheet by calculating based on the ratio and adding this distance and position information of the reference electrode on the coordinate input sheet. Characteristic coordinate input device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11219288U JPH0235235U (en) | 1988-08-29 | 1988-08-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11219288U JPH0235235U (en) | 1988-08-29 | 1988-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0235235U true JPH0235235U (en) | 1990-03-07 |
Family
ID=31350908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11219288U Pending JPH0235235U (en) | 1988-08-29 | 1988-08-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0235235U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009130744A1 (en) * | 2008-04-25 | 2009-10-29 | パイオニア株式会社 | Resistive film type touch panel device, program, and method for detecting contact in resistive film type touch panel device |
-
1988
- 1988-08-29 JP JP11219288U patent/JPH0235235U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009130744A1 (en) * | 2008-04-25 | 2009-10-29 | パイオニア株式会社 | Resistive film type touch panel device, program, and method for detecting contact in resistive film type touch panel device |