JPH033044U - - Google Patents
Info
- Publication number
- JPH033044U JPH033044U JP1989062037U JP6203789U JPH033044U JP H033044 U JPH033044 U JP H033044U JP 1989062037 U JP1989062037 U JP 1989062037U JP 6203789 U JP6203789 U JP 6203789U JP H033044 U JPH033044 U JP H033044U
- Authority
- JP
- Japan
- Prior art keywords
- indicator
- input device
- capacitive coupling
- type input
- coupling type
- 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
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Description
図面は本考案の実施例を示すもので、第１図は
全体ブロツク図、第２図は信号検出ペン、第３図
は信号検出ペンと電極線の等価回路、第４図は波
形図、第５図、６図、７図、８図は搬送波周波数
切替回路である。
１……信号検出ペン、２……タブレツト、３…
…電極線、４……検出電極、６，７……スイツチ
、８……搬送波周波数切替回路、１５……ＡＭ検
波回路、１６……ＦＭ検波回路、１７……アナロ
グ−デジタル変換回路、１８……電圧比較回路。
The drawings show an embodiment of the present invention: Fig. 1 is an overall block diagram, Fig. 2 is a signal detection pen, Fig. 3 is an equivalent circuit of the signal detection pen and electrode wire, Fig. 4 is a waveform diagram, and Fig. 4 is a waveform diagram. 5, 6, 7, and 8 show carrier frequency switching circuits. 1...signal detection pen, 2...tablet, 3...
... Electrode wire, 4 ... Detection electrode, 6, 7 ... Switch, 8 ... Carrier frequency switching circuit, 15 ... AM detection circuit, 16 ... FM detection circuit, 17 ... Analog-digital conversion circuit, 18 ... ...Voltage comparison circuit.
Claims (1)
器と静電容量結合するタブレツトとからなる静電
容量結合方式入力装置であつて、前記指示器に配
置された複数のスイツチの操作に対応して搬送周
波数を変化させてスイツチ情報を伝達することを
特徴とする静電容量結合方式入力装置。 A capacitive coupling type input device consisting of an indicator on which a plurality of switches are arranged and a tablet capacitively coupled to the indicator, which corresponds to the operation of the plurality of switches arranged on the indicator. A capacitive coupling type input device characterized by transmitting switch information by changing a carrier frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989062037U JPH033044U (en) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989062037U JPH033044U (en) | 1989-05-29 | 1989-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033044U true JPH033044U (en) | 1991-01-14 |
Family
ID=31590824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989062037U Pending JPH033044U (en) | 1989-05-29 | 1989-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033044U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63236126A (en) * | 1987-03-25 | 1988-10-03 | Hitachi Seiko Ltd | Coordinate detector |
-
1989
- 1989-05-29 JP JP1989062037U patent/JPH033044U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63236126A (en) * | 1987-03-25 | 1988-10-03 | Hitachi Seiko Ltd | Coordinate detector |
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