JPH0246236U - - Google Patents
Info
- Publication number
- JPH0246236U JPH0246236U JP12609588U JP12609588U JPH0246236U JP H0246236 U JPH0246236 U JP H0246236U JP 12609588 U JP12609588 U JP 12609588U JP 12609588 U JP12609588 U JP 12609588U JP H0246236 U JPH0246236 U JP H0246236U
- Authority
- JP
- Japan
- Prior art keywords
- coating layer
- insulating coating
- detection
- chuck
- shaft
- 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
Description
図面は本考案の一実施例を示すもので第１図は
信号検出ペンの上半部切断正面図、第２図は検出
軸縦断面図、第３図は等価回路、第４図は静電容
量模式図である。
１…軸筒、３…チヤツク、５…検出信号入力制
御スイツチ、７…作動杆、９…検出軸、９ａ…絶
縁性被覆層、９ｂ…被覆層の金属導体部分、１３
…タブレツト、Ｃ１，Ｃ２，Ｃｎ…静電容量、Ｄ
１，Ｄ２，Ｄｎ…電極。
The drawings show one embodiment of the present invention. Figure 1 is a cutaway front view of the upper half of the signal detection pen, Figure 2 is a vertical sectional view of the detection axis, Figure 3 is an equivalent circuit, and Figure 4 is an electrostatic FIG. 3 is a schematic diagram of capacity. DESCRIPTION OF SYMBOLS 1... Shaft tube, 3... Chuck, 5... Detection signal input control switch, 7... Operating rod, 9... Detection shaft, 9a... Insulating coating layer, 9b... Metal conductor portion of coating layer, 13
...Tablet, C1, C2, Cn...Capacitance, D
1, D2, Dn...electrodes.
Claims (1)
ヤツクを軸筒内軸方向に一定距離摺動し得るよう
取り付け、該チヤツクの前後動により開閉される
検出信号入力制御スイツチを内蔵した信号検出ペ
ンであつて、前記導電軸の少なくとも先端部分を
絶縁性の被覆層で覆われている信号検出ペンにお
いて、前記絶縁性の被覆層が磁器コンデンサして
の高誘電材からなることを特徴とする信号検出ペ
ン。 A signal detection pen is provided with a metal refill and a chuck capable of selectively holding the detection shaft, which is attached so as to be able to slide a certain distance in the axial direction within the barrel cylinder, and has a built-in detection signal input control switch that is opened and closed by the back and forth movement of the chuck. In the signal detection pen, at least a tip portion of the conductive shaft is covered with an insulating coating layer, wherein the insulating coating layer is made of a high dielectric material such as a ceramic capacitor. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12609588U JPH0246236U (en) | 1988-09-27 | 1988-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12609588U JPH0246236U (en) | 1988-09-27 | 1988-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246236U true JPH0246236U (en) | 1990-03-29 |
Family
ID=31377296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12609588U Pending JPH0246236U (en) | 1988-09-27 | 1988-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246236U (en) |
-
1988
- 1988-09-27 JP JP12609588U patent/JPH0246236U/ja active Pending
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