CN203305712U - 预防近视笔 - Google Patents

预防近视笔 Download PDF

Info

Publication number
CN203305712U
CN203305712U CN2011202535667U CN201120253566U CN203305712U CN 203305712 U CN203305712 U CN 203305712U CN 2011202535667 U CN2011202535667 U CN 2011202535667U CN 201120253566 U CN201120253566 U CN 201120253566U CN 203305712 U CN203305712 U CN 203305712U
Authority
CN
China
Prior art keywords
pen
shortsightedness
alarm device
preventing
head
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.)
Expired - Fee Related
Application number
CN2011202535667U
Other languages
English (en)
Inventor
刘向阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2011202535667U priority Critical patent/CN203305712U/zh
Application granted granted Critical
Publication of CN203305712U publication Critical patent/CN203305712U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Emergency Alarm Devices (AREA)

Abstract

本实用新型公开了一种预防近视笔,它由笔体(1)和报警装置(2)组成,其特征在于,在现有笔的上端安装有一红外距离测控报警装置(2)。这种笔在使用时,当头离本子不到一尺时,它就会发出响声,若使用者不改正头与本子的距离,笔上的报警装置(2)就会一直响个不停,如果你改正了,它就马上停止了。

Description

预防近视笔
技术领域
本实用新型涉及一种笔,特别涉及一种预防近视笔。
背景技术
学生在家写作业时,由于书写姿势不正确,头总是离本子很近,为了保护他们的眼睛,家长总是提醒他们把头抬高。
发明内容
本实用新型的目的是提供一种预防近视笔。该笔通过红外距离报警装置来纠正书写时的错误姿势,防止近视。
本实用新型所采用技术方案为:一种预防近视笔,它由笔体和报警装置组成,其特征在于,在现有笔的上端安装有一红外距离测控报警装置。
本实用新型有益效果是:这种笔在使用时,当头离本子不到一尺时,它就会发出响声,若使用者不改正头与本子的距离,笔上的报警装置就会一直响个不停,如果你改正了,它就马上停止了。
附图说明
图1为本实用新型的结构示意图。
具体实施方式
下面结合附图进一步说明本实用新型。
如图1所示,预防近视笔由笔体1和报警装置2组成,所述报警装置2在现有笔的上端安装。

Claims (1)

1.一种预防近视笔,它由笔体(1)和报警装置(2)组成,其特征在于,在现有笔的上端安装有一红外距离测控报警装置(2)。
CN2011202535667U 2011-07-14 2011-07-14 预防近视笔 Expired - Fee Related CN203305712U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202535667U CN203305712U (zh) 2011-07-14 2011-07-14 预防近视笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202535667U CN203305712U (zh) 2011-07-14 2011-07-14 预防近视笔

Publications (1)

Publication Number Publication Date
CN203305712U true CN203305712U (zh) 2013-11-27

Family

ID=49611943

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202535667U Expired - Fee Related CN203305712U (zh) 2011-07-14 2011-07-14 预防近视笔

Country Status (1)

Country Link
CN (1) CN203305712U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085226A (zh) * 2014-06-26 2014-10-08 陈东卫 一种智能笔

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085226A (zh) * 2014-06-26 2014-10-08 陈东卫 一种智能笔

Similar Documents

Publication Publication Date Title
CN203305712U (zh) 预防近视笔
CN204278833U (zh) 视力矫正笔
CN204398612U (zh) 一种感光防近视笔
CN204414895U (zh) 可以矫正握笔姿势的笔
CN201148055Y (zh) 带防近视笔套的笔
CN203032174U (zh) 一种能够矫正写字姿势的笔
CN204472262U (zh) 计时笔
CN203077983U (zh) 书写姿势调整笔
CN202959416U (zh) 写作坐姿监督器
CN202225608U (zh) 一种笔
CN103158403A (zh) 带红外感应器的笔
CN202569049U (zh) 一种儿童用输液器
CN202242422U (zh) 一种新型笔记本
CN201808323U (zh) 一种带有修正液的签字笔
CN202762580U (zh) 一种带时钟的喷壶
CN202368122U (zh) 卡壳式笔套
CN203126229U (zh) 保护视力的自动笔
CN202419319U (zh) 一种红外感应警示护眼灯
CN104476947A (zh) 一种纠姿护眼笔
CN204398635U (zh) 带计时器的自动铅笔
CN201970667U (zh) 带修正液的签字笔
CN201712301U (zh) 防近视笔
CN202656702U (zh) 带沙袋的笔
CN203073464U (zh) 一种背背佳书包
CN201931869U (zh) 可套在铅笔上的橡皮擦

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131127

Termination date: 20140714

EXPY Termination of patent right or utility model