JPS6237453U - - Google Patents
Info
- Publication number
- JPS6237453U JPS6237453U JP12931985U JP12931985U JPS6237453U JP S6237453 U JPS6237453 U JP S6237453U JP 12931985 U JP12931985 U JP 12931985U JP 12931985 U JP12931985 U JP 12931985U JP S6237453 U JPS6237453 U JP S6237453U
- Authority
- JP
- Japan
- Prior art keywords
- field effect
- effect transistor
- proximity
- touch
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 101150110971 CIN7 gene Proteins 0.000 description 1
- 101100286980 Daucus carota INV2 gene Proteins 0.000 description 1
- 101150110298 INV1 gene Proteins 0.000 description 1
- 101100397044 Xenopus laevis invs-a gene Proteins 0.000 description 1
- 101100397045 Xenopus laevis invs-b gene Proteins 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図はこの考案の実施例である近接・タツチ
検知装置の発振回路および負荷回路を示す図、第
２図および第３図はインバータと負荷容量との関
係を説明する図、第４図は第１図に示した回路に
流れる電流の変化を検出する回路図である。
ＩＮＶ１，ＩＮＶ２……インバータ、Ｒ……抵
抗、Ｘ……水晶発振子、Ｃ１，Ｃ２……コンデン
サ、Ｐ……検知用電極、Ｃ０……近接容量（負荷
容量）。
Figure 1 is a diagram showing the oscillation circuit and load circuit of a proximity/touch detection device that is an embodiment of this invention, Figures 2 and 3 are diagrams explaining the relationship between the inverter and load capacity, and Figure 4 is FIG. 2 is a circuit diagram for detecting changes in current flowing through the circuit shown in FIG. 1; INV1, INV2...Inverter, R...Resistor, X...Crystal oscillator, C1, C2...Capacitor, P...Detection electrode, C0...Proximity capacitance (load capacitance).
Claims (1)
に入力されドレインに近接またはタツチ用電極が
接続される電界効果トランジスタと、この電界効
果トランジスタのドレイン電流の変化を検知する
検知手段とからなる近接・タツチ検知装置。 A proximity/touch circuit consisting of a high frequency oscillation circuit, a field effect transistor to which the oscillation output signal is input to the gate and whose drain is connected to a nearby or touch electrode, and a detection means to detect changes in the drain current of the field effect transistor. Detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12931985U JPS6237453U (en) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12931985U JPS6237453U (en) | 1985-08-23 | 1985-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6237453U true JPS6237453U (en) | 1987-03-05 |
Family
ID=31025791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12931985U Pending JPS6237453U (en) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6237453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682942A (en) * | 2013-11-26 | 2015-06-03 | 瑞萨电子株式会社 | Semiconductor device |
-
1985
- 1985-08-23 JP JP12931985U patent/JPS6237453U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682942A (en) * | 2013-11-26 | 2015-06-03 | 瑞萨电子株式会社 | Semiconductor device |
| JP2015104005A (en) * | 2013-11-26 | 2015-06-04 | ルネサスエレクトロニクス株式会社 | Semiconductor device |
| CN104682942B (en) * | 2013-11-26 | 2019-05-07 | 瑞萨电子株式会社 | Semiconductor device |
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