CN1077041A - 近视预防器 - Google Patents
近视预防器 Download PDFInfo
- Publication number
- CN1077041A CN1077041A CN 92108079 CN92108079A CN1077041A CN 1077041 A CN1077041 A CN 1077041A CN 92108079 CN92108079 CN 92108079 CN 92108079 A CN92108079 A CN 92108079A CN 1077041 A CN1077041 A CN 1077041A
- Authority
- CN
- China
- Prior art keywords
- children
- head
- myopia
- myopia prevention
- myopia preventer
- 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
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
本发明是一种预防近视的仪器。使用时固定于
儿童的头部正面。当儿童读写时若头部过分前倾或
向左、右歪斜都将发出警告，主要利用铅垂线的特性
来触发有关电子线路，以达到提醒儿童保持正确读写
姿势从而预防近视等眼疾的目的。
Description
本发明是一种通过提醒儿童保持正确读写姿势从而达到预防近视、斜视等眼疾的目的的仪器。
已有的防近视台灯等所有的同类技术，均有其局限性：只能在儿童头部前倾时才报警，而当头部向两旁歪斜时则无法予以警告;或佩戴时难以准确定位;或将儿童头部活动范围限定过死等缺点。
本发明是利用铅垂线始终垂直于地面的特点，从而在壳体转动时铅垂线必然与壳体产生相对运动，进而改变有关电路的通断，发出相应警告信号。
本近视预防器使用时被固定于儿童的前额，当儿童的头部过份前倾时，导电铅垂线（4）便靠向导电体（5）的B处，从而连通导线（3）与蜂呜器（1）的正极（2），报警开始;同理，当儿童的头部向右或左过份倾斜时，铅垂线（4）便与导体（5）的A处或C处接触，报警开始。显然，只有当儿童的读写姿势正确时，报警才停止。
Claims (2)
1、一种近视预防器，其特征是：
--使用时固定于用者的头部正面；
2、根据权利要求1的近视预防器，其特征是：
-利用铅垂线的特性来改变有关线路的通断。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92108079 CN1077041A (zh) | 1992-03-31 | 1992-03-31 | 近视预防器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92108079 CN1077041A (zh) | 1992-03-31 | 1992-03-31 | 近视预防器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1077041A true CN1077041A (zh) | 1993-10-06 |
Family
ID=4943202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92108079 Pending CN1077041A (zh) | 1992-03-31 | 1992-03-31 | 近视预防器 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1077041A (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759102A (zh) * | 2010-03-03 | 2010-06-30 | 徐州九鼎建设集团有限公司 | 塔式起重机倾斜报警装置 |
| US10589500B2 (en) | 2015-02-27 | 2020-03-17 | Corning Incorporated | Customized and selective decoration of internal tube-like surfaces using pre-printed films with splinter resistant property |
-
1992
- 1992-03-31 CN CN 92108079 patent/CN1077041A/zh active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101759102A (zh) * | 2010-03-03 | 2010-06-30 | 徐州九鼎建设集团有限公司 | 塔式起重机倾斜报警装置 |
| US10589500B2 (en) | 2015-02-27 | 2020-03-17 | Corning Incorporated | Customized and selective decoration of internal tube-like surfaces using pre-printed films with splinter resistant property |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |