JPH0316192U - - Google Patents
Info
- Publication number
- JPH0316192U JPH0316192U JP7678789U JP7678789U JPH0316192U JP H0316192 U JPH0316192 U JP H0316192U JP 7678789 U JP7678789 U JP 7678789U JP 7678789 U JP7678789 U JP 7678789U JP H0316192 U JPH0316192 U JP H0316192U
- Authority
- JP
- Japan
- Prior art keywords
- bulletin board
- humidity
- location
- electrostatic
- charge
- 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
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Jigs For Machine Tools (AREA)
- Drawing Aids And Blackboards (AREA)
Description
第１図はこの考案にかかる静電吸着式掲示板の
一実施例を示すブロツク構成図、第２図ないし第
４図および第６図は掲示板の制御部の動作を説明
するための湿度−電圧特性図、第５図は制御部か
ら出力される印加電位制御信号の波形図、第７図
は湿度と吸着力との関係を示す図である。
１……吸着シート。
FIG. 1 is a block diagram showing an embodiment of the electrostatic attraction bulletin board according to this invention, and FIGS. 2 to 4 and 6 show humidity-voltage characteristics to explain the operation of the control section of the bulletin board. 5 is a waveform diagram of an applied potential control signal output from the control section, and FIG. 7 is a diagram showing the relationship between humidity and adsorption force. 1...Adsorption sheet.
Claims (1)
せて、掲示物を前記掲示板表面に静電吸着させる
静電吸着式掲示板において、 前記掲示板がその設置場所の湿度変化にかかわ
らず常に一定以上の吸着力をもつように、前記設
置場所の湿度に応じて前記掲示板への印加電位を
変化させることを特徴とする静電吸着式掲示板。[Claims for Utility Model Registration] In an electrostatic attraction bulletin board in which a suitable potential is applied to the bulletin board to charge it with static electricity and the bulletin board is electrostatically attracted to the bulletin board surface, the bulletin board is capable of absorbing changes in humidity at the location where the bulletin board is installed. An electrostatic adsorption type bulletin board, characterized in that the electric potential applied to the bulletin board is changed according to the humidity of the installation location so that the adsorption force is always above a certain level regardless of the situation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7678789U JPH0736387Y2 (en) | 1989-06-29 | 1989-06-29 | Electrostatic attraction bulletin board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7678789U JPH0736387Y2 (en) | 1989-06-29 | 1989-06-29 | Electrostatic attraction bulletin board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0316192U true JPH0316192U (en) | 1991-02-18 |
| JPH0736387Y2 JPH0736387Y2 (en) | 1995-08-16 |
Family
ID=31618570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7678789U Expired - Lifetime JPH0736387Y2 (en) | 1989-06-29 | 1989-06-29 | Electrostatic attraction bulletin board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736387Y2 (en) |
-
1989
- 1989-06-29 JP JP7678789U patent/JPH0736387Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736387Y2 (en) | 1995-08-16 |
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