JPS647590U - - Google Patents
Info
- Publication number
- JPS647590U JPS647590U JP10127187U JP10127187U JPS647590U JP S647590 U JPS647590 U JP S647590U JP 10127187 U JP10127187 U JP 10127187U JP 10127187 U JP10127187 U JP 10127187U JP S647590 U JPS647590 U JP S647590U
- Authority
- JP
- Japan
- Prior art keywords
- message board
- erasing
- written
- detecting
- message
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000037430 deletion Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
Description
第１図は本考案の自動消去伝言板の一実施例を
示す外形図、第２図は１回分の伝言記入部の内部
構造図、第３図は第２図中のＡ―Ａ′断面図、第
４図は第１図の自動消去伝言板の回路図である。
１…自動消去伝言板、２…伝言記入シート、３
…モーター、４…字消し、５…ベルト、６…感圧
センサー、７…制御回路、８…フリツプフロツプ
、９，１０…カウンタ、１１…ドライバ、１２…
リレー、１３…リレー接点、１４…電源、１５…
インバータ、１６…感圧センサー、１７…制御回
路、１８…モーター、１９…クロツク回路。
Fig. 1 is an external view showing an embodiment of the automatic erasing message board of the present invention, Fig. 2 is an internal structure diagram of a message entry section for one message, Fig. 3 is a sectional view taken along line A-A' in Fig. 2, FIG. 4 is a circuit diagram of the automatic erasing message board of FIG. 1... Automatic deletion message board, 2... Message entry sheet, 3
...Motor, 4...Character eraser, 5...Belt, 6...Pressure sensor, 7...Control circuit, 8...Flip-flop, 9, 10...Counter, 11...Driver, 12...
Relay, 13... Relay contact, 14... Power supply, 15...
Inverter, 16...pressure sensor, 17...control circuit, 18...motor, 19...clock circuit.
Claims (1)
、利用者が伝言板に記入したことの検出手段と、
前記検出手段の出力により、記入後一定時間経過
した時に記入された箇所を消去する手段とを具備
して成ることを特徴とする自動消去伝言板。 In a message board used by an unspecified number of users, means for detecting what a user has written on the message board;
An automatic erasing message board characterized by comprising means for erasing a written part when a predetermined period of time has elapsed after the entry based on the output of the detecting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10127187U JPS647590U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10127187U JPS647590U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647590U true JPS647590U (en) | 1989-01-17 |
Family
ID=31330110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10127187U Pending JPS647590U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647590U (en) |
-
1987
- 1987-06-30 JP JP10127187U patent/JPS647590U/ja active Pending
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