JPH0374036U - - Google Patents
Info
- Publication number
- JPH0374036U JPH0374036U JP13335889U JP13335889U JPH0374036U JP H0374036 U JPH0374036 U JP H0374036U JP 13335889 U JP13335889 U JP 13335889U JP 13335889 U JP13335889 U JP 13335889U JP H0374036 U JPH0374036 U JP H0374036U
- Authority
- JP
- Japan
- Prior art keywords
- indicating means
- tablet
- coordinate indicating
- signal
- electrode lines
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Description
図面は本考案の一実施例を示し、第１図はブロ
ツク構成図、第２図は本考案の等価回路図、第３
図は従来の等価回路図である。
１……タブレツト、２……デコーダドライバ、
３……ＣＰＵ、５……検出電極、６……スイツチ
回路、７……電流電圧変換回路、１０……サンプ
ルホールド回路。
The drawings show one embodiment of the present invention, with Fig. 1 being a block diagram, Fig. 2 being an equivalent circuit diagram of the present invention, and Fig. 3 being an equivalent circuit diagram of the present invention.
The figure is a conventional equivalent circuit diagram. 1...tablet, 2...decoder driver,
3... CPU, 5... detection electrode, 6... switch circuit, 7... current voltage conversion circuit, 10... sample hold circuit.
Claims (1)
れたタブレツトと、該タブレツトの電極線に走査
信号を印加するコントロール部と、前記タブレツ
トの電極線に印加された走査信号と静電容量結合
して信号検出を行なう座標指示手段と、該座標指
示手段で検出した信号を増幅する増幅部と、該増
幅部で増幅された信号から前記座標指示手段のタ
ブレツトへの当接位置を算出する演算部とからな
る情報入力装置であつて、前記座標指示手段で検
出した信号を前記増幅部で電流電圧変換すること
を特徴とする情報入力装置。 A tablet having a plurality of electrode lines arranged in the direction of the coordinate axes, a control unit that applies a scanning signal to the electrode lines of the tablet, and a control unit that is capacitively coupled to the scanning signal applied to the electrode lines of the tablet. A coordinate indicating means for detecting a signal, an amplifying section for amplifying the signal detected by the coordinate indicating means, and an arithmetic section for calculating a contact position of the coordinate indicating means on the tablet from the signal amplified by the amplifying section. 1. An information input device comprising: a signal detected by the coordinate indicating means; wherein the signal detected by the coordinate indicating means is converted into current and voltage by the amplifying section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989133358U JPH0637468Y2 (en) | 1989-11-16 | 1989-11-16 | Information input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989133358U JPH0637468Y2 (en) | 1989-11-16 | 1989-11-16 | Information input device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0374036U true JPH0374036U (en) | 1991-07-25 |
| JPH0637468Y2 JPH0637468Y2 (en) | 1994-09-28 |
Family
ID=31680766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989133358U Expired - Lifetime JPH0637468Y2 (en) | 1989-11-16 | 1989-11-16 | Information input device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0637468Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61228525A (en) * | 1985-02-21 | 1986-10-11 | テイツシユ ケ− ダ−ワン | Digitizer |
-
1989
- 1989-11-16 JP JP1989133358U patent/JPH0637468Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61228525A (en) * | 1985-02-21 | 1986-10-11 | テイツシユ ケ− ダ−ワン | Digitizer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0637468Y2 (en) | 1994-09-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |