JPS636359U - - Google Patents
Info
- Publication number
- JPS636359U JPS636359U JP9708686U JP9708686U JPS636359U JP S636359 U JPS636359 U JP S636359U JP 9708686 U JP9708686 U JP 9708686U JP 9708686 U JP9708686 U JP 9708686U JP S636359 U JPS636359 U JP S636359U
- Authority
- JP
- Japan
- Prior art keywords
- chopper
- measuring device
- surface potential
- force
- potential measuring
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Description
第１図は本考案の表面電位測定装置の一実施例
を示す構成図、第２図ａおよびｂはそれぞれ表面
電位測定装置に使用される電位センサの平面断面
図および側面断面図、第３図は従来の表面電位検
出装置の一例を示す構成図である。
１……ケース、２……音叉、２ａ，２ｂ……音
叉先端、３……検出電極部、４ａ……音叉駆動用
端子、４ｂ……音叉出力端子、５……センサ出力
端子、６……圧電セラミツク、７……電気力線、
８……基板、９……接地端子、１０……検出穴、
１１……電位センサ、１２……被測定物、１３…
…音叉駆動回路、１４……除算器、１５……装置
の出力端子。
FIG. 1 is a block diagram showing one embodiment of the surface potential measuring device of the present invention, FIGS. 2 a and b are respectively a plan sectional view and a side sectional view of a potential sensor used in the surface potential measuring device, and FIG. 3 1 is a configuration diagram showing an example of a conventional surface potential detection device. DESCRIPTION OF SYMBOLS 1... Case, 2... Tuning fork, 2a, 2b... Tuning fork tip, 3... Detection electrode part, 4a... Tuning fork drive terminal, 4b... Tuning fork output terminal, 5... Sensor output terminal, 6... Piezoelectric ceramic, 7... Electric lines of force,
8... Board, 9... Ground terminal, 10... Detection hole,
11... Potential sensor, 12... Measured object, 13...
... Tuning fork drive circuit, 14 ... Divider, 15 ... Output terminal of the device.
Claims (1)
切るチヨツパ部と、このチツパ部により切られた
電気力線を受ける電極部と、前記のチヨツパ部お
よび電極部を搭載する基板と、前記電気力線を導
入するための検出穴を有し、かつ前記基板を覆う
ケースとを備える電位センサと、前記チヨツパ部
の駆動回路とからなる表面電位測定装置において
、前記電位センサの出力電圧と前記チヨツパ部の
出力電圧との除算を行う除算手段を具備し、その
除算結果を装置出力とすることを特徴とする表面
電位測定装置。 a chopper part that cuts the electric lines of force radiated from the object to be measured at regular intervals; an electrode part that receives the electric lines of force cut by the chipper part; a board on which the chopper part and the electrode part are mounted; In a surface potential measuring device comprising a potential sensor including a detection hole for introducing a line of force and a case covering the substrate, and a drive circuit for the chopper section, the output voltage of the potential sensor and the chopper section are What is claimed is: 1. A surface potential measuring device comprising: a dividing means for dividing the output voltage of the surface potential measuring device;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9708686U JPH052865Y2 (en) | 1986-06-25 | 1986-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9708686U JPH052865Y2 (en) | 1986-06-25 | 1986-06-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS636359U true JPS636359U (en) | 1988-01-16 |
| JPH052865Y2 JPH052865Y2 (en) | 1993-01-25 |
Family
ID=30963656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9708686U Expired - Lifetime JPH052865Y2 (en) | 1986-06-25 | 1986-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH052865Y2 (en) |
-
1986
- 1986-06-25 JP JP9708686U patent/JPH052865Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052865Y2 (en) | 1993-01-25 |
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