WO2009033353A1 - Power-saving device controlled by electromagnetic pen - Google Patents

Power-saving device controlled by electromagnetic pen Download PDF

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Publication number
WO2009033353A1
WO2009033353A1 PCT/CN2008/001314 CN2008001314W WO2009033353A1 WO 2009033353 A1 WO2009033353 A1 WO 2009033353A1 CN 2008001314 W CN2008001314 W CN 2008001314W WO 2009033353 A1 WO2009033353 A1 WO 2009033353A1
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WO
WIPO (PCT)
Prior art keywords
pen
electromagnetic
switch
power
power saving
Prior art date
Application number
PCT/CN2008/001314
Other languages
French (fr)
Chinese (zh)
Inventor
Yingjian Liu
Liqing Zhang
Guowei Xiang
Original Assignee
Hanwang Technology Co., Ltd.
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 Hanwang Technology Co., Ltd. filed Critical Hanwang Technology Co., Ltd.
Publication of WO2009033353A1 publication Critical patent/WO2009033353A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3262—Power saving in digitizer or tablet
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Definitions

  • the present invention relates to the field of automatic control technology, and in particular to a power saving device controlled by an electromagnetic pen. Background technique
  • electromagnetic touch screens are widely used in handwriting computers, drawing boards, handwriting boards, mobile phones, e-books, etc. due to their high positioning accuracy, pen tilt angle and pressure information, and no impact on screen display quality.
  • the electromagnetic touch screen is composed of an electromagnetic pen, an induction screen and a control circuit board.
  • the sensing screen senses the electromagnetic pen information by controlling the control of the circuit board and switching the transmission and reception of the electromagnetic field at a high speed.
  • the specific working principle is: Within the magnetic field generated by the sensing screen, the electromagnetic pen with built-in resonant electronic circuit will accumulate weak energy. Through this energy, the electromagnetic pen will emit electromagnetic signals to the sensing screen, and the high-speed cyclic reciprocating motion can induce the electromagnetic signal.
  • the electromagnetic pen transmits information randomly, and the wireless passive electromagnetic pen transmits information passively. Therefore, regardless of whether the electromagnetic pen is operating or not, the electromagnetic touch screen must be continuously in working state, otherwise the state of the electromagnetic pen cannot be accurately known, which will result in the electromagnetic touch screen being generated. A lot of unnecessary power consumption.
  • a power saving device controlled by an electromagnetic pen comprising a pen tray, an electromagnetic pen, an electromagnetic induction device, a switch for controlling a power supply state of the electromagnetic induction device in the pen slot, and an electromagnetic pen control switch.
  • the switch when the electromagnetic pen is placed in the pen tray, the switch is turned off while the electromagnetic pen is squeezed and fixed.
  • the electromagnetic induction device includes one of an electromagnetic induction screen and an electromagnetic induction plate.
  • the invention has the beneficial effects that the electromagnetic induction device is in a power-off state or a sleep state during the period in which the electromagnetic pen is placed in the pen tray, thereby reducing power consumption of the electromagnetic induction device and saving energy.
  • FIG. 1 is a schematic structural view of a power saving device for an electromagnetic induction device of the present invention
  • FIG. 2 and FIG. 3 are schematic diagrams showing a switch structure and an operation of a power saving device according to a first embodiment of the present invention
  • FIG. 4 and FIG. 5 are schematic diagrams showing the switch structure and operation of the power saving device according to the second embodiment of the present invention.
  • FIGS 6 and 7 are schematic diagrams showing the switch structure and operation of the power saving device according to the third embodiment of the present invention.
  • FIG. 8 and FIG. 9 are schematic diagrams showing the switch structure and operation of the power saving device according to the fourth embodiment of the present invention.
  • FIG. 10 is a schematic structural view of a sleep power saving device of an electromagnetic induction device of the present invention.
  • FIG. 11 and FIG. 12 are schematic diagrams showing the switch structure and operation of the sleep power-saving device according to the fifth embodiment of the present invention.
  • FIG. 13 and FIG. 14 are schematic diagrams showing the switch structure and operation of the sleep power-saving device according to the sixth embodiment of the present invention. Description of the reference symbols -
  • Electromagnetic pen 4 ⁇ Electromagnetic induction device
  • the power saving device for the electromagnetic induction device of the present invention is as shown in FIG. 1 , and includes a pen slot 2 , an electromagnetic pen 3 , an electromagnetic induction device 4 , an input power source 5 , a pen tip 1 is disposed in the pen slot 2 , and the electromagnetic induction device 4 is provided.
  • a power interface 6 is disposed therein, and the switch 1 is connected in series between the input power source 5 and the power source interface 6 through the power line 13A and the power line 13B.
  • the electromagnetic pen 3 controls the on/off of the switch 1, and when the electromagnetic pen 3 is placed in the pen tray 2, the switch 1 is broken and disconnected.
  • the input power source 5 is electrically connected to the power interface 6, and the electromagnetic induction device 4 is in a power-off state, and stops working; when the electromagnetic pen 3 is pulled out of the pen tray 2, the switch 1 is turned on, and the input power source 5 is restored to the power interface 6 to be electrically connected. At this time, the electromagnetic induction device is powered and restored to the normal working condition.
  • the action of the electromagnetic pen 3 on or off the pen tray 2 can control the power-off or power supply of the electromagnetic induction device 4 by the input power source 5, so that the electromagnetic induction device 4 is completely powered off during the time when the electromagnetic pen 3 is placed in the pen tray 2. , to achieve power saving purposes.
  • FIG. 2 and FIG. 3 are schematic diagrams showing a switch structure and an operation of a power saving device.
  • the switch 1 is a spring piece 9. One end of the spring piece 9 is electrically connected to the input power source 5, and the other end is a movable end and is electrically connected to the power port 6 through the power line 13.
  • the input power source 5 is electrically connected to the input interface 6 provided in the electromagnetic induction device 4 to constitute an electrical path.
  • the electromagnetic induction device 4 obtains the power supply and starts to work normally, as shown in Figure 2.
  • the electromagnetic pen 3 is not required to be used and the electromagnetic pen 3 is placed in the pen tray 2, the pen tip of the electromagnetic pen 3 is pushed downward against the movable end of the spring piece 9, forcing the spring piece 9 out of the electrical connection with the power cord 13, switch 1 disconnected.
  • the electromagnetic induction device input interface 6 does not receive the power supply of the input power source 5, and the electromagnetic induction device 4 is powered off and stops working, as shown in FIG.
  • the electromagnetic induction device 4 is completely in a power-off state during the placement of the electromagnetic pen 3 in the pen tray 2, thereby achieving the purpose of power saving.
  • the pen slot 2 is provided with a switch 1 as a double spring piece, and is composed of a first spring piece electrode 8A and a second spring piece electrode 8B, which are connected in series between the input power source 5 and the electromagnetic induction device 4, and the first spring piece
  • the electrode 8A and the second leaf electrode 8B are located on opposite sides of the pen slot 2, the first leaf electrode 8A is electrically connected to the input power source 5 via the power line 13A, and the second leaf electrode 8B is connected to the power port 6 through the power line 13B. Electrical connection.
  • the first spring piece electrode 8A and the second spring piece electrode 8B are naturally in contact with each other to realize electrical connection, the switch 1 is turned on, and the input power source 5 is input.
  • the electromagnetic induction device 4 is powered by the first spring piece electrode 8A, the second spring piece electrode 8B, and the input interface 6 provided in the electromagnetic induction device 4, and the electromagnetic induction device 4 is in a normal working state, as shown in FIG.
  • the electromagnetic pen 3 is not required to be used and the electromagnetic pen 3 is placed in the pen tray 2, the first spring piece electrode 8A and the second spring piece electrode 8B are pressed and disconnected by the electromagnetic pen 3, the switch 1 is turned off, and the input power source 5 is turned off.
  • the power supply interface 6 provided in the electromagnetic induction device 4 is no longer electrically connected, and the electromagnetic induction device 4 is powered off and stops working, as shown in FIG.
  • the electromagnetic induction device 4 is completely in a power-off state during the placement of the electromagnetic pen 3 in the pen slot 2, thereby achieving the purpose of power saving, and the double spring piece has the function of fixing the pen, effectively preventing the electromagnetic pen from slipping out from the pen slot.
  • Figs. 6 and 7 are schematic diagrams showing a switch structure and an operation of the power saving device.
  • the spring piece fixed on the conductive contact A 16A is in contact with the conductive contact B 16B due to elasticity, which is equivalent to the switch being turned on; when the electromagnetic pen is placed in the pen slot
  • the spring piece fixed on the conductive contact A 16A is pressed by the pen and loses contact with the conductive contact B 16B, which is equivalent to the switch off. Due to the elasticity, the spring piece exerts a certain pressing force on the pen.
  • the direction of the squeezing force is substantially perpendicular to the direction in which the pen is inserted, so that it can function as a fixed pen to effectively prevent the pen from slipping out of the pen tray.
  • Figs. 8 and 9 are schematic diagrams showing the switch structure and operation of the power saving device.
  • the switch 1 is a light control switch 10, the light control switch 10 is provided with a photosensitive head 11, and a light transmission hole 12 is opened in the pen slot 2.
  • the electromagnetic pen 3 When the electromagnetic pen 3 is placed in the pen slot 2, the electromagnetic pen 3 blocks the light transmission hole. 12.
  • the electromagnetic pen 3 If the electromagnetic pen 3 is needed and the electromagnetic pen 3 is removed from the pen tray 2, the electromagnetic pen 3 no longer blocks the light transmission hole 12, the photosensitive head 11 obtains illumination, and the light control switch 10 is turned on, that is, the switch 1 is turned on. .
  • the input power source 5 is electrically connected to the input interface 6 provided in the electromagnetic induction device 4, the electromagnetic induction device 4 is powered, and the electromagnetic induction device 4 is in a normal working state, as shown in FIG.
  • the electromagnetic pen 3 If the electromagnetic pen 3 is not required to be used and the electromagnetic pen 3 is placed in the pen tray 2, the electromagnetic pen 3 blocks the light transmission hole 12, the photosensitive head 11 is not illuminated, and the light control switch 10 is turned off, that is, the switch 1 is disconnected. .
  • the input power source 5 and the power interface 6 provided in the electromagnetic induction device 4 are no longer electrically connected, and the electromagnetic induction device 4 is powered off and stops working, as shown in FIG.
  • the input power source 5 is directly electrically connected to the light control switch 10.
  • the electromagnetic induction device 4 is completely in a power-off state during the placement of the electromagnetic pen 3 in the pen tray 2, thereby achieving the purpose of power saving.
  • the power saving device for the electromagnetic induction device of the present invention comprises a pen slot 2, an electromagnetic pen 3, an electromagnetic induction device 4, an input power source 5, a power interface 6 is provided in the electromagnetic induction device 4, and sleep is provided.
  • the control circuit 7, the power interface 6 is electrically connected to the input power source 5 via the power line 13
  • the switch 1 is provided in the pen tray 2, and the switch 1 is electrically connected to the sleep control circuit 7 via the control line 14.
  • the electromagnetic pen 3 controls the on/off of the switch 1.
  • the switch 1 When the electromagnetic pen 3 is placed in the pen tray 2, the switch 1 is turned off, the sleep control circuit 7 is activated by the control line 14, and the electromagnetic induction device 4 is forced to enter a sleep state; when the electromagnetic pen 3 is pulled out of the pen tray 2, the switch 1 is turned on.
  • the sleep control circuit 7 is deactivated by the control line 14, and the electromagnetic induction device 4 is returned to the normal operating state.
  • the electromagnetic pen 3 is placed or removed from the pen tray 2, and can control the conversion of the electromagnetic induction device 4 from the sleep state to the normal working state, thereby realizing the electromagnetic induction device 4 during the period in which the electromagnetic pen 3 is placed in the pen tray 2. In the sleep state, the purpose of power saving is achieved.
  • Figs. 11 and 12 are schematic diagrams showing the switch structure and operation of the sleep power saving device.
  • the switch 1 is a spring piece 9, and the electromagnetic induction device 4 is provided with a sleep control circuit 7, and the switch 1 is electrically connected to the sleep control circuit 7 through the control line 14.
  • the spring piece 9 is no longer pressed by the electromagnetic pen 3, the movable end naturally bends upward, and the control wire 14 is turned on, that is, the switch 1 is turned on.
  • the sleep control circuit 7 is deactivated by the control line 14, and the electromagnetic induction device 4 returns to the normal operating state to start normal operation, as shown in FIG.
  • Line 14 causes sleep control circuit 7 to be activated and electromagnetic induction device 4 is forced into a sleep state, as shown in FIG.
  • the electromagnetic induction device 4 is in a sleep state during the placement of the electromagnetic pen 3 in the pen tray 2, thereby achieving the purpose of power saving.
  • Figs. 13 and 14 are schematic diagrams showing the switch structure and operation of the sleep power saving device.
  • the middle section of the electromagnetic pen 3 is a conductive material 15, which is combined with the contacts of the control line 14A and the control line 14B to form a switch 1.
  • the electromagnetic induction device 4 is provided with a sleep control circuit 7, and the switch 1 passes through the control lines 14A, MB and sleeps.
  • the control circuit 7 is electrically connected, and the conductive material 15 is composed of two layers of metal members. The electromagnetic pen can be pulled and lengthened, and the compression becomes shorter.
  • the conductive material 15 is no longer in contact with the control line 14A and the control line 14B, and the control line 14A is disconnected from the control line 14B, that is, the switch 1 is disconnected.
  • the sleep control circuit 7 is deactivated, the electromagnetic induction device 4 returns to the normal working state and starts normal operation, as shown in FIG.
  • the electromagnetic pen 3 is not required to be used and the electromagnetic pen 3 is placed in the pen tray 2, the middle portion of the electromagnetic pen 3, that is, the conductive material 15 is in contact with the control line 14A and the control line 14B, and the control line 14A is electrically connected to the control line 14B. That is, the switch 1 is turned on, the sleep control circuit 7 is activated, and the electromagnetic induction device 4 is forced to enter a sleep state, as shown in FIG.
  • the electromagnetic induction device 4 is in a dormant state during the placement of the electromagnetic pen 3 in the pen slot 2, thereby achieving the purpose of power saving, and the electromagnetic pen of the embodiment can be applied to the power saving device of other structures.
  • the invention realizes that the electromagnetic induction device is in a power-off state or a sleep state during the period in which the electromagnetic pen is placed in the pen slot, and the electromagnetic induction device can automatically return to the normal working state when the electromagnetic pen is put out of the pen slot, thereby reducing the power consumption of the electromagnetic induction device. Energy saving.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
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Abstract

A power-saving device controlled by an electromagnetic pen is provided. The device includes a penholder (2), an electromagnetic pen (3), and an electromagnetic sensing device (4), a switch (1) is placed in the penholder (2) and used for controlling the power supplying state of the electromagnetic sensing device (4). The electromagnetic pen (3) controls the on and off states of the switch (1). The electromagnetic sensing device (4) is supplied power when there is a need for using the electromagnetic pen (3) and the electromagnetic pen (3) is withdrawn from the penholder (2), and the electromagnetic sensing device (4) is power off or dormant when there is no need for using the electromagnetic pen (3) and the electromagnetic pen (3) is placed in the penholder (2).

Description

利用电磁笔控制的省电装置 技术领域  Power saving device controlled by electromagnetic pen
本发明涉及自动控制技术领域， 具体涉及利用电磁笔控制的省电装置。 背景技术  The present invention relates to the field of automatic control technology, and in particular to a power saving device controlled by an electromagnetic pen. Background technique
目前， 电磁触摸屏由于定位精度高、 可获取笔倾斜角度及压力信息、 不影响屏幕 显示质量等优点， 倍受市场青睐， 被广泛应用于手写电脑、 绘图板、 手写板、 手机、 电子书等设备。 电磁触摸屏由电磁笔、 感应屏和控制电路板组成。 感应屏通过控制电 路板的控制处理， 高速切换电磁场的发射及接收来感应电磁笔信息。具体工作原理是： 在感应屏产生的磁场范围内， 内置共振电子电路的电磁笔会积蓄到微弱的能量， 通过 这个能量， 电磁笔向感应屏发射电磁信号， 以此动作高速循环往复就能够感应出电磁 笔的坐标、 倾斜角度、 速度、 压感等。  At present, electromagnetic touch screens are widely used in handwriting computers, drawing boards, handwriting boards, mobile phones, e-books, etc. due to their high positioning accuracy, pen tilt angle and pressure information, and no impact on screen display quality. . The electromagnetic touch screen is composed of an electromagnetic pen, an induction screen and a control circuit board. The sensing screen senses the electromagnetic pen information by controlling the control of the circuit board and switching the transmission and reception of the electromagnetic field at a high speed. The specific working principle is: Within the magnetic field generated by the sensing screen, the electromagnetic pen with built-in resonant electronic circuit will accumulate weak energy. Through this energy, the electromagnetic pen will emit electromagnetic signals to the sensing screen, and the high-speed cyclic reciprocating motion can induce the electromagnetic signal. Electromagnetic pen coordinates, tilt angle, speed, pressure sense, etc.
电磁笔是随机发送信息， 无线无源电磁笔则是被动发送信息， 因此， 不管电磁笔 是否在操作， 电磁触摸屏必须持续处于工作状态， 否则无从准确知晓电磁笔的状态， 这将导致电磁触摸屏产生很多不必要的功耗。  The electromagnetic pen transmits information randomly, and the wireless passive electromagnetic pen transmits information passively. Therefore, regardless of whether the electromagnetic pen is operating or not, the electromagnetic touch screen must be continuously in working state, otherwise the state of the electromagnetic pen cannot be accurately known, which will result in the electromagnetic touch screen being generated. A lot of unnecessary power consumption.
在其中使用电磁笔和电磁感应板的电磁触控板中存在着同样的问题。 发明内容  The same problem exists in an electromagnetic touch panel in which an electromagnetic pen and an electromagnetic induction plate are used. Summary of the invention
本发明的目的是提供一种利用电磁笔控制的省电装置， 以准确操控感应装置的断 电状态、 休眠状态分别与工作状态的切换， 避免不必要的功耗， 实现节约能源。  It is an object of the present invention to provide a power saving device controlled by an electromagnetic pen to accurately control the power-off state, the sleep state, and the working state of the sensing device, thereby avoiding unnecessary power consumption and achieving energy conservation.
本发明为达到上述目的所采用的技术解决方案是：  The technical solution adopted by the present invention to achieve the above object is:
根据本发明提供一种利用电磁笔控制的省电装置， 包括笔槽、 电磁笔、 电磁感应 装置， 在笔槽内设置有用于控制电磁感应装置的供电状态的幵关， 并且电磁笔控制开 关。  According to the present invention, there is provided a power saving device controlled by an electromagnetic pen, comprising a pen tray, an electromagnetic pen, an electromagnetic induction device, a switch for controlling a power supply state of the electromagnetic induction device in the pen slot, and an electromagnetic pen control switch.
根据本发明的优选方面， 当将电磁笔置于笔槽中时， 开关断开， 同时挤压并固定 电磁笔。  According to a preferred aspect of the invention, when the electromagnetic pen is placed in the pen tray, the switch is turned off while the electromagnetic pen is squeezed and fixed.
电磁感应装置包括电磁感应屏、 电磁感应板中的一种。  The electromagnetic induction device includes one of an electromagnetic induction screen and an electromagnetic induction plate.
本发明的有益效果是， 通过利用电磁笔置于笔槽期间， 电磁感应装置处于断电状 态或休眠状态， 减少电磁感应装置的功耗， 节约能源。 附图说明 The invention has the beneficial effects that the electromagnetic induction device is in a power-off state or a sleep state during the period in which the electromagnetic pen is placed in the pen tray, thereby reducing power consumption of the electromagnetic induction device and saving energy. DRAWINGS
图 1是本发明的用于电磁感应装置的省电装置的结构示意图；  1 is a schematic structural view of a power saving device for an electromagnetic induction device of the present invention;
图 2、 图 3是本发明第一实施例省电装置的开关结构及动作示意图；  2 and FIG. 3 are schematic diagrams showing a switch structure and an operation of a power saving device according to a first embodiment of the present invention;
图 4、 图 5是本发明第二实施例省电装置的开关结构及动作示意图；  4 and FIG. 5 are schematic diagrams showing the switch structure and operation of the power saving device according to the second embodiment of the present invention;
图 6、 图 7是本发明第三实施例省电装置的开关结构及动作示意图。  6 and 7 are schematic diagrams showing the switch structure and operation of the power saving device according to the third embodiment of the present invention.
图 8、 图 9是本发明第四实施例省电装置的开关结构及动作示意图。  8 and FIG. 9 are schematic diagrams showing the switch structure and operation of the power saving device according to the fourth embodiment of the present invention.
图 10是本发明的电磁感应装置休眠省电装置的结构示意图；  10 is a schematic structural view of a sleep power saving device of an electromagnetic induction device of the present invention;
图 11、 图 12是本发明第五实施例休眠省电装置的开关结构及动作示意图; 图 13、 图 14是本发明第六实施例休眠省电装置的开关结构及动作示意图。 附图标记说明- 11 and FIG. 12 are schematic diagrams showing the switch structure and operation of the sleep power-saving device according to the fifth embodiment of the present invention; and FIG. 13 and FIG. 14 are schematic diagrams showing the switch structure and operation of the sleep power-saving device according to the sixth embodiment of the present invention. Description of the reference symbols -
1一开关， 2―笔槽， 1 switch, 2 pen slot,
3― 电磁笔， 4― 电磁感应装置，  3― Electromagnetic pen, 4― Electromagnetic induction device,
5 一输入电源， 6― 电源接口，  5 one input power, 6- power interface,
7—休眠控制电路， 8A一第一弹簧片电极，  7—sleep control circuit, 8A—first first spring electrode,
8B 一第二弹簧片电极， 9 一 弹簧片，  8B a second spring electrode, 9 a spring piece,
10 —光控开关， 11 ― 感光头，  10 — Light control switch, 11 ― Photosensitive head,
12 一透光孔， 13― 电源线，  12 one light hole, 13― power line,
13A 一 电源线， 13B― 电源线，  13A one power cord, 13B - power cord,
14 一控制线， 14A―控制线，  14 a control line, 14A - control line,
14B 一控制线， 15 ― 导电材料；  14B a control line, 15 - conductive material;
16A― 导电触点 A， 16B― 导电触点 B。 具体实施方式  16A― Conductive contacts A, 16B - Conductive contacts B. detailed description
下面结合附图和实施例进一步说明本发明的技术方案。  The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments.
本发明的用于电磁感应装置的省电装置如图 1所示， 包括笔槽 2、 电磁笔 3、 电磁 感应装置 4、 输入电源 5， 笔槽 2内设置有幵关 1， 电磁感应装置 4内设置有电源接口 6， 开关 1通过电源线 13A、 电源线 13B串接在输入电源 5与电源接口 6之间。  The power saving device for the electromagnetic induction device of the present invention is as shown in FIG. 1 , and includes a pen slot 2 , an electromagnetic pen 3 , an electromagnetic induction device 4 , an input power source 5 , a pen tip 1 is disposed in the pen slot 2 , and the electromagnetic induction device 4 is provided. A power interface 6 is disposed therein, and the switch 1 is connected in series between the input power source 5 and the power source interface 6 through the power line 13A and the power line 13B.
电磁笔 3控制开关 1的导通 /断开， 当电磁笔 3置于笔槽 2时， 开关 1断幵，断开 输入电源 5与电源接口 6的电连接， 此时电磁感应装置 4处于断电状态， 停止工作； 电磁笔 3拔出笔槽 2时， 开关 1导通，输入电源 5与电源接口 6恢复电连接， 此时电磁 感应装置被供电， 恢复到正常工作状李。 电磁笔 3置于或拨出笔槽 2的动作， 能够控 制输入电源 5对电磁感应装置 4的断电或供电， 实现电磁感应装置 4在电磁笔 3置于 笔槽 2期间完全处于断电状态， 达到省电目的。 The electromagnetic pen 3 controls the on/off of the switch 1, and when the electromagnetic pen 3 is placed in the pen tray 2, the switch 1 is broken and disconnected. The input power source 5 is electrically connected to the power interface 6, and the electromagnetic induction device 4 is in a power-off state, and stops working; when the electromagnetic pen 3 is pulled out of the pen tray 2, the switch 1 is turned on, and the input power source 5 is restored to the power interface 6 to be electrically connected. At this time, the electromagnetic induction device is powered and restored to the normal working condition. The action of the electromagnetic pen 3 on or off the pen tray 2 can control the power-off or power supply of the electromagnetic induction device 4 by the input power source 5, so that the electromagnetic induction device 4 is completely powered off during the time when the electromagnetic pen 3 is placed in the pen tray 2. , to achieve power saving purposes.
根据本发明的第一实施例， 图 2、 图 3为省电装置的开关结构及动作示意图。 开 关 1为弹簧片 9， 弹簧片 9一端与输入电源 5电连接， 另一端是活动端并通过电源线 13与电源接口 6电连接。  According to a first embodiment of the present invention, FIG. 2 and FIG. 3 are schematic diagrams showing a switch structure and an operation of a power saving device. The switch 1 is a spring piece 9. One end of the spring piece 9 is electrically connected to the input power source 5, and the other end is a movable end and is electrically connected to the power port 6 through the power line 13.
如果需要使用电磁笔 3并将电磁笔 3从笔槽 2中拨出， 则弹簧片 9因不再受电磁 笔 3压迫， 活动端自然向上弯曲， 与电源线 13恢复连接， 开关 1导通。 输入电源 5与 电磁感应装置 4内设置的输入接口 6电连接， 构成电通路。 电磁感应装置 4获得电源 供应， 开始正常工作， 如图 2所示。  If it is necessary to use the electromagnetic pen 3 and the electromagnetic pen 3 is removed from the pen tray 2, the spring piece 9 is no longer pressed by the electromagnetic pen 3, the movable end naturally bends upward, and the power supply line 13 is restored to be connected, and the switch 1 is turned on. The input power source 5 is electrically connected to the input interface 6 provided in the electromagnetic induction device 4 to constitute an electrical path. The electromagnetic induction device 4 obtains the power supply and starts to work normally, as shown in Figure 2.
如果不需要使用电磁笔 3并将电磁笔 3置于笔槽 2中， 则电磁笔 3的笔尖推抵弹 簧片 9活动端向下弯曲， 迫使弹簧片 9脱离与电源线 13的电连接， 开关 1断开。 电磁 感应装置输入接口 6得不到输入电源 5的电力供应， 电磁感应装置 4被断电， 停止工 作， 如图 3所示。  If the electromagnetic pen 3 is not required to be used and the electromagnetic pen 3 is placed in the pen tray 2, the pen tip of the electromagnetic pen 3 is pushed downward against the movable end of the spring piece 9, forcing the spring piece 9 out of the electrical connection with the power cord 13, switch 1 disconnected. The electromagnetic induction device input interface 6 does not receive the power supply of the input power source 5, and the electromagnetic induction device 4 is powered off and stops working, as shown in FIG.
本实施例实现电磁感应装置 4在电磁笔 3置于笔槽 2期间完全处于断电状态， 达 到省电目的。  In this embodiment, the electromagnetic induction device 4 is completely in a power-off state during the placement of the electromagnetic pen 3 in the pen tray 2, thereby achieving the purpose of power saving.
根据本发明的第二实施例， 图 4、 图 5是省电装置的开关结构及动作示意图。 笔 槽 2内设置有幵关 1为双弹簧片幵关， 由第一弹簧片电极 8A和第二弹簧片电极 8B组 成， 串接在输入电源 5与电磁感应装置 4之间， 第一弹簧片电极 8A和第二弹簧片电极 8B位于笔槽 2内相对的两侧， 第一弹簧片电极 8A通过电源线 13A与输入电源 5电连 接， 第二弹簧片电极 8B通过电源线 13B与电源接口 6电连接。  4 and 5 are schematic diagrams showing the switch structure and operation of the power saving device according to the second embodiment of the present invention. The pen slot 2 is provided with a switch 1 as a double spring piece, and is composed of a first spring piece electrode 8A and a second spring piece electrode 8B, which are connected in series between the input power source 5 and the electromagnetic induction device 4, and the first spring piece The electrode 8A and the second leaf electrode 8B are located on opposite sides of the pen slot 2, the first leaf electrode 8A is electrically connected to the input power source 5 via the power line 13A, and the second leaf electrode 8B is connected to the power port 6 through the power line 13B. Electrical connection.
如果需要使用电磁笔 3并将电磁笔 3从笔槽 2中拨出，则第一弹簧片电极 8A和第 二弹簧片电极 8B自然伸张接触， 实现电连接， 幵关 1导通， 输入电源 5通过第一弹簧 片电极 8A、第二弹簧片电极 8B、 电磁感应装置 4内设置的输入接口 6为电磁感应装置 4供电， 电磁感应装置 4处于正常工作状态， 如图 4所示。  If it is necessary to use the electromagnetic pen 3 and the electromagnetic pen 3 is pulled out from the pen tray 2, the first spring piece electrode 8A and the second spring piece electrode 8B are naturally in contact with each other to realize electrical connection, the switch 1 is turned on, and the input power source 5 is input. The electromagnetic induction device 4 is powered by the first spring piece electrode 8A, the second spring piece electrode 8B, and the input interface 6 provided in the electromagnetic induction device 4, and the electromagnetic induction device 4 is in a normal working state, as shown in FIG.
如果不需要使用电磁笔 3并将电磁笔 3置于笔槽 2中，则第一弹簧片电极 8A和第 二弹簧片电极 8B受电磁笔 3挤压断开， 开关 1断开， 输入电源 5与电磁感应装置 4内 设置的电源接口 6不再电连接， 电磁感应装置 4被断电， 停止工作， 如图 5所示。 本实施例实现电磁感应装置 4在电磁笔 3置于笔槽 2期间完全处于断电状态， 达 到省电目的， 同时双弹簧片具备固定笔的功能， 有效防止电磁笔从笔槽滑出。 If the electromagnetic pen 3 is not required to be used and the electromagnetic pen 3 is placed in the pen tray 2, the first spring piece electrode 8A and the second spring piece electrode 8B are pressed and disconnected by the electromagnetic pen 3, the switch 1 is turned off, and the input power source 5 is turned off. The power supply interface 6 provided in the electromagnetic induction device 4 is no longer electrically connected, and the electromagnetic induction device 4 is powered off and stops working, as shown in FIG. In this embodiment, the electromagnetic induction device 4 is completely in a power-off state during the placement of the electromagnetic pen 3 in the pen slot 2, thereby achieving the purpose of power saving, and the double spring piece has the function of fixing the pen, effectively preventing the electromagnetic pen from slipping out from the pen slot.
根据本发明的第三实施例， 图 6、 图 7是省电装置的开关结构及动作示意图。 当 电磁笔未置于笔槽中时， 固定在导电触点 A 16A上的弹簧片由于弹性， 会与导电触点 B 16B接触上， 相当于开关导通； 当电磁笔置于笔槽中时， 固定在导电触点 A 16A上 的弹簧片被笔挤压， 与导电触点 B 16B失去接触， 相当于幵关断开。 弹簧片由于弹性， 对笔产生一定挤压力。 挤压力的方向基本与笔拨插方向垂直， 因此能起到固定笔的作 用， 有效防止笔从笔槽滑出。  According to a third embodiment of the present invention, Figs. 6 and 7 are schematic diagrams showing a switch structure and an operation of the power saving device. When the electromagnetic pen is not placed in the pen tray, the spring piece fixed on the conductive contact A 16A is in contact with the conductive contact B 16B due to elasticity, which is equivalent to the switch being turned on; when the electromagnetic pen is placed in the pen slot The spring piece fixed on the conductive contact A 16A is pressed by the pen and loses contact with the conductive contact B 16B, which is equivalent to the switch off. Due to the elasticity, the spring piece exerts a certain pressing force on the pen. The direction of the squeezing force is substantially perpendicular to the direction in which the pen is inserted, so that it can function as a fixed pen to effectively prevent the pen from slipping out of the pen tray.
根据本发明的第四实施例， 图 8、 图 9是省电装置的开关结构及动作示意图。 开 关 1为光控开关 10， 所述光控开关 10设置有感光头 11 , 在笔槽 2开有透光孔 12， 当 电磁笔 3置于笔槽 2时， 电磁笔 3遮挡住透光孔 12。  According to a fourth embodiment of the present invention, Figs. 8 and 9 are schematic diagrams showing the switch structure and operation of the power saving device. The switch 1 is a light control switch 10, the light control switch 10 is provided with a photosensitive head 11, and a light transmission hole 12 is opened in the pen slot 2. When the electromagnetic pen 3 is placed in the pen slot 2, the electromagnetic pen 3 blocks the light transmission hole. 12.
如果需要使用电磁笔 3并将电磁笔 3从笔槽 2中拨出， 则电磁笔 3不再遮挡住透 光孔 12， 感光头 11获得光照， 光控开关 10导通， 即开关 1导通。 输入电源 5与电磁 感应装置 4内设置的输入接口 6电连接， 电磁感应装置 4被供电， 电磁感应装置 4处 于正常工作状态， 如图 8所示。  If the electromagnetic pen 3 is needed and the electromagnetic pen 3 is removed from the pen tray 2, the electromagnetic pen 3 no longer blocks the light transmission hole 12, the photosensitive head 11 obtains illumination, and the light control switch 10 is turned on, that is, the switch 1 is turned on. . The input power source 5 is electrically connected to the input interface 6 provided in the electromagnetic induction device 4, the electromagnetic induction device 4 is powered, and the electromagnetic induction device 4 is in a normal working state, as shown in FIG.
如果不需要使用电磁笔 3并将电磁笔 3置于笔槽 2中， 则电磁笔 3遮挡住透光孔 12 , 感光头 11得不到光照， 光控开关 10断开， 即开关 1断开。 输入电源 5与电磁感 应装置 4内设置的电源接口 6不再电连接， 电磁感应装置 4被断电， 停止工作， 如图 9所示。  If the electromagnetic pen 3 is not required to be used and the electromagnetic pen 3 is placed in the pen tray 2, the electromagnetic pen 3 blocks the light transmission hole 12, the photosensitive head 11 is not illuminated, and the light control switch 10 is turned off, that is, the switch 1 is disconnected. . The input power source 5 and the power interface 6 provided in the electromagnetic induction device 4 are no longer electrically connected, and the electromagnetic induction device 4 is powered off and stops working, as shown in FIG.
输入电源 5与光控开关 10直接电连接。 本实施例实现电磁感应装置 4在电磁笔 3 置于笔槽 2期间完全处于断电状态， 达到省电目的。  The input power source 5 is directly electrically connected to the light control switch 10. In this embodiment, the electromagnetic induction device 4 is completely in a power-off state during the placement of the electromagnetic pen 3 in the pen tray 2, thereby achieving the purpose of power saving.
在进一步的实施例中， 本发明的用于电磁感应装置的省电装置包括笔槽 2、 电磁 笔 3、 电磁感应装置 4、 输入电源 5， 在电磁感应装置 4内设置有电源接口 6、 休眠控 制电路 7， 电源接口 6通过电源线 13与输入电源 5电连接， 笔槽 2内设置有开关 1， 开关 1通过控制线 14与休眠控制电路 7电连接。  In a further embodiment, the power saving device for the electromagnetic induction device of the present invention comprises a pen slot 2, an electromagnetic pen 3, an electromagnetic induction device 4, an input power source 5, a power interface 6 is provided in the electromagnetic induction device 4, and sleep is provided. The control circuit 7, the power interface 6 is electrically connected to the input power source 5 via the power line 13, the switch 1 is provided in the pen tray 2, and the switch 1 is electrically connected to the sleep control circuit 7 via the control line 14.
电磁笔 3控制开关 1的导通 /断开。 当电磁笔 3置于笔槽 2时， 开关 1断开， 通 过控制线 14启动休眠控制电路 7 , 电磁感应装置 4被迫进入休眠状态； 电磁笔 3拔出 笔槽 2时， 开关 1导通， 通过控制线 14使休眠控制电路 7停用， 电磁感应装置 4重新 回到正常工作状态。 电磁笔 3置于或拨出笔槽 2的动作， 能够控制电磁感应装置 4从 休眠状态到正常工作状态的转换， 实现电磁感应装置 4在电磁笔 3置于笔槽 2期间处 于休眠状态， 达到省电目的。 The electromagnetic pen 3 controls the on/off of the switch 1. When the electromagnetic pen 3 is placed in the pen tray 2, the switch 1 is turned off, the sleep control circuit 7 is activated by the control line 14, and the electromagnetic induction device 4 is forced to enter a sleep state; when the electromagnetic pen 3 is pulled out of the pen tray 2, the switch 1 is turned on. The sleep control circuit 7 is deactivated by the control line 14, and the electromagnetic induction device 4 is returned to the normal operating state. The electromagnetic pen 3 is placed or removed from the pen tray 2, and can control the conversion of the electromagnetic induction device 4 from the sleep state to the normal working state, thereby realizing the electromagnetic induction device 4 during the period in which the electromagnetic pen 3 is placed in the pen tray 2. In the sleep state, the purpose of power saving is achieved.
根据本发明的第五实施例， 图 11、 图 12为休眠省电装置的开关结构及动作示意 图。 开关 1为弹簧片 9， 电磁感应装置 4内设置有休眠控制电路 7， 开关 1通过控制线 14与休眠控制电路 7电连接。  According to a fifth embodiment of the present invention, Figs. 11 and 12 are schematic diagrams showing the switch structure and operation of the sleep power saving device. The switch 1 is a spring piece 9, and the electromagnetic induction device 4 is provided with a sleep control circuit 7, and the switch 1 is electrically connected to the sleep control circuit 7 through the control line 14.
如果需要使用电磁笔 3并将电磁笔 3从笔槽 2中拨出， 则弹簧片 9因不再受电磁 笔 3压迫， 活动端自然向上弯曲， 控制线 14导通， 即开关 1导通， 通过控制线 14使 休眠控制电路 7停用， 电磁感应装置 4回到正常工作状态， 开始正常工作， 如图 11所 示。  If the electromagnetic pen 3 is needed and the electromagnetic pen 3 is removed from the pen tray 2, the spring piece 9 is no longer pressed by the electromagnetic pen 3, the movable end naturally bends upward, and the control wire 14 is turned on, that is, the switch 1 is turned on. The sleep control circuit 7 is deactivated by the control line 14, and the electromagnetic induction device 4 returns to the normal operating state to start normal operation, as shown in FIG.
如果不需要使用电磁笔 3并将电磁笔 3置于笔槽 2中， 则电磁笔 3的笔尖推抵弹 簧片 9活动端向下弯曲， 迫使控制线 断开， 即开关 1断开， 通过控制线 14使休眠 控制电路 7启动， 电磁感应装置 4被迫进入休眠状态， 如图 12所示。  If it is not necessary to use the electromagnetic pen 3 and place the electromagnetic pen 3 in the pen tray 2, the tip of the electromagnetic pen 3 pushes against the movable end of the spring piece 9 to bend downward, forcing the control line to be disconnected, that is, the switch 1 is disconnected, and the control is passed. Line 14 causes sleep control circuit 7 to be activated and electromagnetic induction device 4 is forced into a sleep state, as shown in FIG.
本实施例实现电磁感应装置 4在电磁笔 3置于笔槽 2期间处于休眠状态， 达到省 电目的。  In this embodiment, the electromagnetic induction device 4 is in a sleep state during the placement of the electromagnetic pen 3 in the pen tray 2, thereby achieving the purpose of power saving.
根据本发明的第六实施例， 图 13、 图 14为休眠省电装置的开关结构及动作示意 图。 电磁笔 3的中段为导电材料 15， 它与控制线 14A、 控制线 14B的触点共同组合成 开关 1 , 电磁感应装置 4内设置有休眠控制电路 7 , 开关 1通过控制线 14A、 MB与休 眠控制电路 7电连接，导电材料 15由两层金属件组成。电磁笔可抽拉变长，压缩变短。  According to a sixth embodiment of the present invention, Figs. 13 and 14 are schematic diagrams showing the switch structure and operation of the sleep power saving device. The middle section of the electromagnetic pen 3 is a conductive material 15, which is combined with the contacts of the control line 14A and the control line 14B to form a switch 1. The electromagnetic induction device 4 is provided with a sleep control circuit 7, and the switch 1 passes through the control lines 14A, MB and sleeps. The control circuit 7 is electrically connected, and the conductive material 15 is composed of two layers of metal members. The electromagnetic pen can be pulled and lengthened, and the compression becomes shorter.
如果需要使用电磁笔 3并将电磁 3从笔槽 2中拨出，则导电材料 15因不再与控 制线 14A、 控制线 14B接触， 控制线 14A与控制线 14B断开， 即开关 1断开， 使休眠 控制电路 7停用， 电磁感应装置 4回到正常工作状态， 开始正常工作， 如图 13所示。  If it is necessary to use the electromagnetic pen 3 and the electromagnetic 3 is removed from the pen tray 2, the conductive material 15 is no longer in contact with the control line 14A and the control line 14B, and the control line 14A is disconnected from the control line 14B, that is, the switch 1 is disconnected. When the sleep control circuit 7 is deactivated, the electromagnetic induction device 4 returns to the normal working state and starts normal operation, as shown in FIG.
如果不需要使用电磁笔 3并将电磁笔 3置于笔槽 2中， 则电磁笔 3的中段部分即 导电材料 15与控制线 14A、 控制线 14B接触， 控制线 14A与控制线 14B电连接， 即开 关 1导通，使休眠控制电路 7启动， 电磁感应装置 4被迫进入休眠状态，如图 14所示。  If the electromagnetic pen 3 is not required to be used and the electromagnetic pen 3 is placed in the pen tray 2, the middle portion of the electromagnetic pen 3, that is, the conductive material 15 is in contact with the control line 14A and the control line 14B, and the control line 14A is electrically connected to the control line 14B. That is, the switch 1 is turned on, the sleep control circuit 7 is activated, and the electromagnetic induction device 4 is forced to enter a sleep state, as shown in FIG.
本实施例实现电磁感应装置 4在电磁笔 3置于笔槽 2期间处于休眠状态， 达到省 电目的， 而且本实施例的电磁笔可以应用于其它结构的省电装置。  In this embodiment, the electromagnetic induction device 4 is in a dormant state during the placement of the electromagnetic pen 3 in the pen slot 2, thereby achieving the purpose of power saving, and the electromagnetic pen of the embodiment can be applied to the power saving device of other structures.
本发明通过利用电磁笔置于笔槽期间，实现电磁感应装置为断电状态或休眠状态， 电磁笔拨出笔槽时电磁感应装置能自动恢复为正常工作状态， 从而减少电磁感应装置 功耗， 节约能源。  The invention realizes that the electromagnetic induction device is in a power-off state or a sleep state during the period in which the electromagnetic pen is placed in the pen slot, and the electromagnetic induction device can automatically return to the normal working state when the electromagnetic pen is put out of the pen slot, thereby reducing the power consumption of the electromagnetic induction device. Energy saving.

Claims

权 利 要 求 Rights request
1、 一种利用电磁笔控制的省电装置， 包括笔槽（2)、 电磁笔 （3)、 电磁感应装置 (4),其特征在于，在笔槽（2)内设置有用于控制电磁感应装置的供电状态的开关（1 )， 并且电磁笔 （3) 控制开关 （1 )。 1. A power saving device controlled by an electromagnetic pen, comprising a pen slot (2), an electromagnetic pen (3), and an electromagnetic induction device (4), wherein a pen slot (2) is provided for controlling electromagnetic induction A switch (1) for the power state of the device, and an electromagnetic pen (3) controls the switch (1).
2、 根据权利要求 1所述的省电装置， 其特征在于， 当将电磁笔置于笔槽中时， 开 关 （1 ) 断开， 同时挤压并固定电磁笔。  2. The power saving device according to claim 1, wherein when the electromagnetic pen is placed in the pen tray, the switch (1) is disconnected while the electromagnetic pen is pressed and fixed.
3、 根据权利要求 2所述的省电装置， 其特征在于， 开关 （1 ) 为弹性开关。  3. A power saving device according to claim 2, characterized in that the switch (1) is a flexible switch.
4、 根据权利要求 3所述的省电装置， 其特征在于， 开关 （1 ) 为双弹簧片开关。 4. The power saving device according to claim 3, wherein the switch (1) is a double leaf spring switch.
5、根据权利要求 1所述的省电装置， 其特征在于， 开关（1 )连接在输入电源（5) 与电磁感应装置 （4) 的电源接口 （6) 之间， 从而控制供电 /断电。 The power saving device according to claim 1, characterized in that the switch (1) is connected between the input power source (5) and the power source interface (6) of the electromagnetic induction device (4), thereby controlling the power supply/power-off .
6、 根据权利要求 5所述的省电装置， 其特征在于， 当电磁笔 （3) 拔出笔槽 （2) 时， 向电磁感应装置 （4) 供电。  6. The power saving device according to claim 5, wherein when the electromagnetic pen (3) pulls out the pen tray (2), power is supplied to the electromagnetic induction device (4).
7、 根据权利要求 5所述的省电装置， 其特征在于， 当电磁笔 （3) 置于笔槽 （2) 时， 停止向电磁感应装置 （4) 供电。  7. The power saving device according to claim 5, wherein when the electromagnetic pen (3) is placed in the pen tray (2), power supply to the electromagnetic induction device (4) is stopped.
8、 根据权利要求 1所述的省电装置， 其特征在于， 电磁感应装置 （4) 内设置有 休眠控制电路 （7)， 开关 （1 ) 控制休眠控制电路 （7) 的启动 /停用。  8. The power saving device according to claim 1, wherein the electromagnetic induction device (4) is provided with a sleep control circuit (7), and the switch (1) controls activation/deactivation of the sleep control circuit (7).
9、 根据权利要求 8所述的省电装置， 其特征在于， 当电磁笔 （3) 拔出笔槽 （2) 时， 停用休眠控制电路 （7 )。  9. The power saving device according to claim 8, wherein the sleep control circuit (7) is deactivated when the electromagnetic pen (3) is pulled out of the pen tray (2).
10、 根据权利要求 8所述的省电装置， 其特征在于， 当电磁笔 （3)置于笔槽（2) 时， 启动休眠控制电路 （7 )。  10. The power saving device according to claim 8, wherein the sleep control circuit (7) is activated when the electromagnetic pen (3) is placed in the pen tray (2).
11、 根据权利要求 1所述的省电装置， 其特征在于， 电磁笔（3) 的外壳包括导电 部分， 开关 （1 ) 包括该导电部分和设置在笔槽 （2) 内的两根控制线。  11. The power saving device according to claim 1, wherein the outer casing of the electromagnetic pen (3) comprises a conductive portion, and the switch (1) comprises the conductive portion and two control lines disposed in the pen tray (2) .
12、 根据权利要求 1所述的省电装置， 其特征在于， 幵关（1 ) 为光控开关（10)， 所述光控开关 （10) 包括感光头 （11 )， 在笔槽（2) 开有透光孔 （12)， 当电磁笔 （3) 置于笔槽 （2) 时， 电磁笔 （3) 遮挡住透光孔 （12)， 从而断开光控开关 （10)。  12. The power saving device according to claim 1, wherein the switch (1) is a light control switch (10), and the light control switch (10) comprises a photosensitive head (11) in the pen slot (2) ) Open the light hole (12). When the electromagnetic pen (3) is placed in the pen tray (2), the electromagnetic pen (3) blocks the light transmission hole (12), thereby disconnecting the light control switch (10).
13、 根据权利要求 1所述的省电装置， 其特征在于， 电磁感应装置（4)包括电磁 感应屏、 电磁感应板中的一种。  13. The power saving device according to claim 1, wherein the electromagnetic induction device (4) comprises one of an electromagnetic induction panel and an electromagnetic induction panel.
PCT/CN2008/001314 2007-09-10 2008-07-14 Power-saving device controlled by electromagnetic pen WO2009033353A1 (en)

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CNA2007101215388A CN101387904A (en) 2007-09-10 2007-09-10 Electromagnetical type touch screen electricity saving device
CN200710121538.8 2007-09-10

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