JPH0314691U - - Google Patents
Info
- Publication number
- JPH0314691U JPH0314691U JP7520989U JP7520989U JPH0314691U JP H0314691 U JPH0314691 U JP H0314691U JP 7520989 U JP7520989 U JP 7520989U JP 7520989 U JP7520989 U JP 7520989U JP H0314691 U JPH0314691 U JP H0314691U
- Authority
- JP
- Japan
- Prior art keywords
- power source
- display area
- movable power
- duty rate
- display areas
- 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
- 230000003068 static effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Drawing Aids And Blackboards (AREA)
Description
第１Ａ図はこの考案にかかる静電吸着式掲示板
の一実施例を示す正面図、第１Ｂ図はその側面図
、第１Ｃ図はその要部拡大図、第２図は第１Ａ図
に示す掲示板の回路構成を示すブロツク図、第３
図は第１Ａ図に示す掲示板の動作を示すタイミン
グチヤート、第４図は第２実施例にかかる掲示板
の回路構成を示すブロツク図、第５図は第４図に
示す装置の動作を示す動作フロー図、第６図は掲
示板と掲示物との位置関係の一例を示す図である
。
１……吸着シート、１ａ，１ｂ，１ｃ，１ｄ…
…掲示領域、７……制御手段、１２……掲示物。
Fig. 1A is a front view showing an embodiment of the electrostatic adsorption bulletin board according to this invention, Fig. 1B is a side view thereof, Fig. 1C is an enlarged view of its main parts, and Fig. 2 is the bulletin board shown in Fig. 1A. Block diagram showing the circuit configuration of
The figure is a timing chart showing the operation of the bulletin board shown in Fig. 1A, Fig. 4 is a block diagram showing the circuit configuration of the bulletin board according to the second embodiment, and Fig. 5 is an operation flow showing the operation of the device shown in Fig. 4. FIG. 6 is a diagram showing an example of the positional relationship between the bulletin board and the posted items. 1...Adsorption sheet, 1a, 1b, 1c, 1d...
. . . Bulletin area, 7 . . . Control means, 12 . . . Bulletin board.
Claims (1)
吸着シートと、 持ち運び可能な可動電源と、 前記複数の掲示領域の中から任意の掲示領域が
選択されると、前記可動電源の出力電圧を当初の
一定期間は高デユーテイー、その後は低デユーテ
イーでチヨツパし昇圧し、その選択された掲示領
域に印加して静電気を帯電させる制御手段とを備
えたことを特徴とする静電吸着式掲示板。[Claims for Utility Model Registration] An adsorption sheet having a plurality of display areas to which notices are electrostatically attracted, a portable movable power source, and when an arbitrary display area is selected from the plurality of display areas. , comprising control means for increasing the output voltage of the movable power source at a high duty rate for an initial fixed period and at a low duty rate thereafter, and applying it to the selected display area to charge static electricity. Electrostatic adsorption bulletin board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7520989U JPH0722708Y2 (en) | 1989-06-27 | 1989-06-27 | Electrostatic attraction bulletin board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7520989U JPH0722708Y2 (en) | 1989-06-27 | 1989-06-27 | Electrostatic attraction bulletin board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0314691U true JPH0314691U (en) | 1991-02-14 |
| JPH0722708Y2 JPH0722708Y2 (en) | 1995-05-24 |
Family
ID=31615588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7520989U Expired - Lifetime JPH0722708Y2 (en) | 1989-06-27 | 1989-06-27 | Electrostatic attraction bulletin board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722708Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101248656B1 (en) | 2011-03-18 | 2013-03-28 | 국립대학법인 울산과학기술대학교 산학협력단 | Self-adhesive board |
-
1989
- 1989-06-27 JP JP7520989U patent/JPH0722708Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0722708Y2 (en) | 1995-05-24 |
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