CN200976193Y - Alarm for preventing shortsight - Google Patents
Alarm for preventing shortsight Download PDFInfo
- Publication number
- CN200976193Y CN200976193Y CN 200620015875 CN200620015875U CN200976193Y CN 200976193 Y CN200976193 Y CN 200976193Y CN 200620015875 CN200620015875 CN 200620015875 CN 200620015875 U CN200620015875 U CN 200620015875U CN 200976193 Y CN200976193 Y CN 200976193Y
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- China
- Prior art keywords
- alarm
- reader
- warning device
- myopia prevention
- circuit
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- 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.)
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Abstract
The utility model relates to an alarm device for prevention of myopia, which is a bookmark-size circuit board comprising a ranging system, a control circuit, an alarm device and a power circuit. When used, the utility model can be in hand as the bookmark. The ranging system can measure the distance between the head of a reader and the book accurately. The alarm device sounds to remind the reader if the distance between the eye of the reader and the book is less than a specified value, and is convenient to use.
Description
Technical field
The utility model relates to a kind of device that is used for pre-myopia prevention, and the reader that can remind that especially can be clipped in the books notes not book from the too near alarm of eyes.
Background technology
According to relevant report proof, China's adolescent myopia incidence of disease is in rising trend always in recent years, has risen to the prostatitis of countries in the world.For addressing the above problem, released the apparatus of many pre-myopia preventions in recent years, the prevention adolescent myopia has been made certain contribution.It as the patent No. 200420010571.5 pre-myopia prevention reminiscences.Whether the principle of work of this pre-myopia prevention reminiscences is: should pre-myopia prevention reminiscences make shape of glasses and be worn over and shut, utilize a tilt detection electric circuit inspection reader head to tilt, send alerting signal when reader's head tilt, remind reader's correcting sitting postures.Pre-myopia prevention reminiscences like this will be worn on reader's the head, can make the reader feel inconvenient during reading, particularly has many juvenile readers to be unwilling to use.
Summary of the invention
Use inconvenient in order to overcome pre-myopia prevention reminiscences of the prior art, the deficiency that friend teenager dislikes using, the utility model provides a kind of hypometropia prevention alarm, and this hypometropia prevention alarm is not only easy to use, and small and exquisitely can be clipped in the page as bookmark.
The technical scheme that its technical matters that solves the utility model adopts is: integrated with distance measurement system, control circuit, warning device, power circuit on the circuit board of a similar bookmark size, the head that measures the reader when range measurement system leave written distance less than require apart from the time, issue message of control circuit, control circuit control warning device gives a warning to the reader.
The beneficial effects of the utility model are, and are easy to use, just can use sometimes as long as this hypometropia prevention alarm is clipped in the books that will read as bookmark.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1, circuit theory diagrams of the present utility model
The circuit theory diagrams of Fig. 2, first embodiment of the utility model
The circuit theory diagrams of Fig. 3, second embodiment of the utility model
The circuit theory diagrams of Fig. 4, the 3rd embodiment of the utility model
Embodiment
Range measurement system, control circuit, warning device, power circuit are integrated on the circuit board in Fig. 1.This circuit board has only a bookmark size, power supply is a button cell, can be in bookmark be clipped in book, range measurement system can accurately be measured the distance of reader's head with books, as long as less than a setting, warning device will give a warning and remind the reader to note eyes to the distance of books when the reader read a book.
In the embodiment shown in Figure 2, warning device is an audible alarm unit, when range measurement system measure the reader when reading a book eyes to the distance of books less than a setting, will send an information to sound control circuit, the driving force loudspeaker sent the sound of prerecording after sound control circuit was received this information, remind the reader to note keeping the distance of eyes and books, the alarm of this pre-myopia prevention can be provided with some interesting sound, and use in the place that is adapted at family or other one-man.
Among the embodiment shown in Figure 3, warning device is a LED lamp, reminds the reader to note keeping the distance of eyes and books by light flash, and the alarm of this pre-myopia prevention can be in the classroom or the family use.
Among the embodiment shown in Figure 4, warning device is a Vib., notes keeping the distance of eyes and books by Vib. vibrating alert reader, the alarm of this pre-myopia prevention can be in the classroom or other public place use, can not influence others.
Claims (5)
1, a kind of alarm of pre-myopia prevention comprises range measurement system, control circuit, warning device, power circuit, it is characterized in that: range measurement system, control circuit, warning device, power circuit are integrated on the circuit board.
2, the alarm of a kind of pre-myopia prevention according to claim 1 is characterized in that: described warning device is an audible alarm unit, comprises audio drivers and loudspeaker.
3, the alarm of a kind of pre-myopia prevention according to claim 1 is characterized in that: described warning device is a flashing alarm device, comprises driving circuit and LED lamp.
4, the alarm of a kind of pre-myopia prevention according to claim 1 is characterized in that: described warning device is a vibration alarming device, comprises red moving circuit and Vib..
5, the alarm of a kind of pre-myopia prevention according to claim 1 is characterized in that: described power supply is a button cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015875 CN200976193Y (en) | 2006-11-20 | 2006-11-20 | Alarm for preventing shortsight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015875 CN200976193Y (en) | 2006-11-20 | 2006-11-20 | Alarm for preventing shortsight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200976193Y true CN200976193Y (en) | 2007-11-14 |
Family
ID=38902475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620015875 Expired - Fee Related CN200976193Y (en) | 2006-11-20 | 2006-11-20 | Alarm for preventing shortsight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200976193Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578238A (en) * | 2013-10-18 | 2014-02-12 | 昆山市优鸿电子有限公司 | Novel shortsightedness-prevention vibrator and use method thereof |
| CN104085227A (en) * | 2014-07-22 | 2014-10-08 | 门泓江 | Shortsightedness-preventing device of writing pen |
| TWI502554B (en) * | 2012-12-20 | 2015-10-01 |
-
2006
- 2006-11-20 CN CN 200620015875 patent/CN200976193Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI502554B (en) * | 2012-12-20 | 2015-10-01 | ||
| CN103578238A (en) * | 2013-10-18 | 2014-02-12 | 昆山市优鸿电子有限公司 | Novel shortsightedness-prevention vibrator and use method thereof |
| CN104085227A (en) * | 2014-07-22 | 2014-10-08 | 门泓江 | Shortsightedness-preventing device of writing pen |
| CN104085227B (en) * | 2014-07-22 | 2015-11-11 | 门泓江 | A kind of lettering pen myopia prevention device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |