CN201796320U - Tablet PC (tablet personal computer) with touch pen - Google Patents
Tablet PC (tablet personal computer) with touch pen Download PDFInfo
- Publication number
- CN201796320U CN201796320U CN201020534580XU CN201020534580U CN201796320U CN 201796320 U CN201796320 U CN 201796320U CN 201020534580X U CN201020534580X U CN 201020534580XU CN 201020534580 U CN201020534580 U CN 201020534580U CN 201796320 U CN201796320 U CN 201796320U
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- Prior art keywords
- panel computer
- felt pen
- rechargeable battery
- handwriting
- terminal
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Abstract
The utility model discloses a tablet PC. According to the utility model, the tablet PC includes a touch pen and an accommodating hole for accommodating the touch pen, wherein the touch pen includes a pen body, a Bluetooth module exposed on the outer surface of the pen body and used for receiving and sending wireless audio signals with the tablet PC, a rechargeable battery used for providing electric power to the Bluetooth module, a Hall sensor producing signals for controlling the power supply of the rechargeable battery, a control part receiving the signals produced by the Hall sensor and controlling the power supply of the rechargeable battery, and a pen head combined with the lower end part of the pen body; and the tablet PC further includes a magnet adjacent to the accommodating hole. Therefore, when detecting that the magnet exists, the Hall sensor generates a starting signal used for starting the power supply of the rechargeable battery; and when detecting that the magnet doesn't exist, the Hall sensor generates a closing signal used for closing the power supply of the rechargeable battery.
Description
Technical field
The utility model relates to panel computer, relates in particular to the panel computer with felt pen.
Background technology
Along with the arriving of information age, electronic product has become daily living article inseparable in the daily life, and along with the continuous evolution of electronics technology, tool hommization, functional good electronic product are also weeded out the old and bring forth the new always.Have more convenience in the use as panel computer, even only need panel computer is placed on desktop or the thigh, utilize felt pen (stylus pen) just can control to panel computer.
Yet the user needs to buy in addition felt pen after buying this panel computer.Even the attached at random felt pen of giving when buying panel computer can only merely play the effect of clicking touch-screen, function ratio is more single, does not generally have additional functions such as Bluetooth function.And, when the user for asking the convenient bluetooth earphone of buying, and during the sound signal by bluetooth earphone reception panel computer, if the electric energy deficiency of bluetooth earphone, then also need bluetooth earphone to be charged, perhaps need to change the battery that is applicable to bluetooth earphone by charger.Therefore, its portability of this panel computer and convenience are lower.
And this panel computer also needs to be equipped with headphone can carry out radio communication.Therefore, the user need buy and carry headphone in addition, thereby has improved user's purchase cost.And need behind the end of conversation headphone isolated and take care of separately after the panel computer, so lose easily.
The utility model content
The utility model proposes in order to address the above problem, and its purpose is to provide has the panel computer that can carry out the felt pen of radio communication by bluetooth module.
When another purpose of the present utility model is to provide panel computer is charged, the panel computer that can be simultaneously the rechargeable battery of felt pen be charged.
In order to address the above problem, comprise according to panel computer of the present utility model: felt pen; The containing hole that is used for ccontaining described felt pen, wherein, described felt pen comprises: handwriting; Be exposed to the bluetooth module of the outside surface of described handwriting, be used for and described panel computer between the transmitting/receiving wireless sound signal; Rechargeable battery is used for providing electric power to described bluetooth module; Hall element produces the signal of the power supply be used to control described rechargeable battery; Control part receives the electric power of being controlled described rechargeable battery by described signal that described Hall element produced and supplies with; Be incorporated into the nib of the bottom of described handwriting.Described panel computer also comprises the magnet that is close to described containing hole and is provided with, thus, when described Hall element detects described magnet, generation is used to start the enabling signal of the power supply of described rechargeable battery, when described Hall element does not detect described magnet, produce the shutdown signal of the power supply be used to close described rechargeable battery.
And described felt pen also comprises: be arranged at the receiver of the upper end of described handwriting, be used for by described bluetooth module from described panel computer received audio signal; Be arranged at the microphone of the bottom of described handwriting, be used for sending sound signal to described panel computer by described bluetooth module.
And, comprise also that according to panel computer of the present utility model the charging that is arranged at described containing hole inboard is with positive terminal and charging negative terminal.Described felt pen also comprises: be arranged at first contact terminal of the outside surface of described handwriting, this first contact terminal is connected with the positive electrical of described rechargeable battery; Be arranged at second contact terminal of the outside surface of described handwriting, this second contact terminal is connected with the negative electricity of described rechargeable battery.And when described felt pen was placed in the described containing hole, described charging was electrically connected with described first contact terminal with positive terminal, and described charging is electrically connected with described second contact terminal with negative terminal.
And described felt pen also comprises the earphone jack that is arranged at described handwriting top, to be used for when described felt pen is placed in described containing hole, as the audio port of described panel computer.
And, also comprise L channel lead-out terminal and the R channel lead-out terminal that is arranged at described containing hole inboard according to panel computer of the present utility model.And described felt pen also comprises: be arranged at the 3rd contact terminal of the outside surface of described handwriting, the 3rd contact terminal is electrically connected with the L channel input terminal of described earphone jack; Be arranged at the 4th contact terminal of the outside surface of described handwriting, the 4th contact terminal is electrically connected with the R channel input terminal of described earphone jack.And when described felt pen was placed in the described containing hole, described L channel lead-out terminal was electrically connected with described the 3rd contact terminal, and described the 4th contact terminal of described R channel lead-out terminal fish is electrically connected.
And described felt pen also comprises the clip portion of the upper end that is arranged at described handwriting, to be used for making when described felt pen is placed in described containing hole described felt pen to be clipped on the panel computer and be fixed.
As mentioned above, according to panel computer of the present utility model, when described felt pen is placed in the containing hole of described panel computer, if described panel computer is charged, then can be simultaneously to the rechargeable battery charging of described felt pen, thereby do not need special charger.And, when described felt pen is placed in the containing hole of described panel computer,, then can make earphone or loudspeaker output audio signal if the plug of earphone or loudspeaker is inserted into the earphone jack at the handwriting top that is arranged at described felt pen.And, when described felt pen is extracted from the containing hole of described panel computer, can make between described panel computer and the described felt pen by bluetooth module to form coupling (pairing) and communicate, receiver that therefore can be by being arranged at felt pen and microphone make between felt pen and the panel computer and communicate.Therefore, not only can play the effect of clicking touch-screen but also can be used as headphone according to felt pen of the present utility model and converse.
Description of drawings
Fig. 1 is the stereographic map according to the felt pen of the utility model embodiment;
Fig. 2 illustrates the vertical view of state that felt pen according to the utility model embodiment is placed in the containing hole of panel computer;
Fig. 3 illustrates the front perspective view of state that felt pen according to the utility model embodiment is placed in the containing hole of panel computer;
Fig. 4 is the block diagram that illustrates according to the critical piece of the felt pen of the utility model embodiment.
Embodiment
Below, describe embodiment of the present utility model in detail with reference to accompanying drawing.Those skilled in the art is to be understood that, embodiment that this instructions is put down in writing and the structure shown in the accompanying drawing only are preferred embodiment of the present utility model, the utility model is not limited thereto, and can carry out various distortion or change under the prerequisite of the scope that does not break away from thought of the present utility model.And, omitted in the following description and might obscure the known function of the utility model purport and the detailed description of structure.
Fig. 1 is the stereographic map according to the felt pen of the utility model embodiment.As shown in Figure 1, comprise according to felt pen 100 of the present utility model: handwriting 120; Be arranged at the receiver 150 of the upper end of handwriting 120; Be arranged at the microphone 160 of the bottom of handwriting 120; Be incorporated into the nib 110 of the bottom of handwriting 120.Wherein, described written 110 can come the operate tablet computer by clicking touch-screen.And in the upper end of handwriting 120, contiguous receiver 150 is provided with clip (clip) portion 130, is used for making felt pen 100 to be clipped in panel computer (symbol 200 of Fig. 2) and goes up and be fixed.
Fig. 2 illustrates the vertical view of state that felt pen according to the utility model embodiment is placed in the containing hole of panel computer.As shown in Figure 2, has the containing hole 210 that is used for ccontaining felt pen 100 according to panel computer 200 of the present utility model.In the utility model embodiment, though containing hole 210 is formed on the top 200a of panel computer 200, this containing hole 210 can be formed on side 200b or bottom (not shown) of panel computer 200 as required.Among Fig. 2, symbol 200c is the front of panel computer 200, and 200d is the back side of panel computer 200.
And as shown in Figure 2, handwriting 120 tops of felt pen 100 are provided with the earphone jack 140 of the plug 300 (shown in Figure 3) that is used to insert earphone or loudspeaker, when being placed in the described containing hole 210 when felt pen 100 as the audio port of panel computer.
As shown in Figure 2, when felt pen 100 is placed in the containing hole 210, is clipped in panel computer 200 according to clip portion 130 and is fixed.In addition, when felt pen 100 is extracted from containing hole 210, can be clipped on the collar, to carry out functions such as conversation as described below easily by clip portion 130.Perhaps, this clip also can be designed to be easy to hang over ear, thereby the user hangs on the ear by this clip, to carry out call function as described below easily.
Fig. 3 illustrates the front perspective view of state that felt pen according to the utility model embodiment is placed in the containing hole of panel computer, and Fig. 4 illustrates the block diagram that the inside according to the felt pen of the utility model embodiment constitutes.As shown in the figure, felt pen 100 comprises: be exposed to the bluetooth module 430 of the outside surface of handwriting 120, be used for and panel computer 200 between the transmitting/receiving wireless sound signal; Be built in the rechargeable battery 440 of handwriting 120, be used for providing electric power bluetooth module 430; Hall element 410 produces the signal of the power supply be used to control rechargeable battery 440; Control part 420 receives the electric power of being controlled rechargeable battery 440 by signal that Hall element 400 produced and supplies with.And panel computer 200 also comprises contiguous containing hole 210 and the magnet 220 of setting.
And, when Hall element 410 detects magnet 220, Hall element 410 produces the enabling signal of the power supply that is used to start rechargeable battery 440, control rechargeable battery 410 provided electric power to bluetooth module 430 after control part 420 received enabling signal, and when Hall element 410 does not detect magnet 220, Hall element 410 produces the shutdown signal of the power supply that is used for charge closing battery 440, and control part 420 is controlled rechargeable battery 410 powered-downs after receiving shutdown signal.At this, it is situation in the preset distance time that Hall element 410 detects distance that magnet 220 is meant Hall element 410 and magnet 220, and it is situation beyond the preset distance time that Hall element 410 does not detect distance that magnet 220 is meant Hall element 410 and magnet 220.Thus, when felt pen 100 is placed in the containing hole 210, because Hall Hall element 410 is in the preset distance with the distance of magnet 220, therefore Hall element 410 produces the enabling signal of the power supply that is used to start rechargeable battery 440, and when felt pen 100 is extracted from containing hole 210, because Hall Hall element 410 is beyond the preset distance with the distance of magnet 220, so Hall element 410 produces the shutdown signal of the power supply that is used for charge closing battery 440.Because the principle that this Hall element 410 detects magnet 220 is a known technology, therefore is not described in detail in this.
When bluetooth module 430 when rechargeable battery 410 receives electric power, can make bluetooth module 430 and panel computer form coupling (pairing), thereby make felt pen 100 can pass through bluetooth module 430 transmitting/receiving wireless sound signals.That is, the receiver 150 of felt pen 100 can pass through bluetooth module 430 from panel computer 200 received audio signals, and the microphone 160 of felt pen 100 sends sound signal to panel computer 200 by bluetooth module 430.Thus, can realize the call function of panel computer 200.
At this, panel computer 200 also can comprise charging positive terminal 221, the charging negative terminal 222 that is arranged at containing hole 210 inboards.And the outside surface of handwriting 120 is respectively equipped with first contact terminal 121, second contact terminal 122 with positive terminal 221, charging with negative terminal 222 corresponding to charging.Thus, when felt pen 100 was placed in the containing hole 210 of panel computer 200, first contact terminal 121 was electrically connected with positive terminal 221 with charging, and second contact terminal 122 is electrically connected with negative terminal 222 with charging.
And, first, second contact terminal 121,122 is electrically connected with negative pole (not shown) with the positive pole (not shown) of the rechargeable battery 440 that is built in handwriting 120 respectively, therefore when felt pen 100 was placed in the containing hole 210 of panel computer 200, the rechargeable battery 440 of felt pen 100 can be recharged.Therefore, do not need independent charger that rechargeable battery 440 is charged.
In addition, panel computer 200 also can comprise L channel lead-out terminal 223 and the R channel lead-out terminal 224 that is arranged at containing hole 210 inboards.And the outside surface of handwriting 120 is provided with the 3rd contact terminal 123, the 4th contact terminal 124 corresponding to L channel lead-out terminal 223 and R channel lead-out terminal 224.Thus, when felt pen 100 was placed in the containing hole 210 of panel computer 200, the 3rd contact terminal 123 was electrically connected with L channel lead-out terminal 223, the 4th contact electronics 124 and be electrically connected with negative terminal 224 with charging.
And, three, the 4th contact terminal 123,124 is electrically connected with R channel input terminal (not shown) with the L channel input terminal (not shown) of earphone jack 140 respectively, therefore when felt pen 100 is placed in the containing hole 210 of panel computer 200, if when being inserted with the plug 300 of earphone or loudspeaker in the earphone jack 140 of felt pen 100, the sound signal of a left side/R channel can be sent to earphone or loudspeaker.Therefore, the earphone jack 140 of felt pen 100 can be used as audio port.
Below, the course of work according to the panel computer with felt pen of the utility model embodiment is described.
When felt pen 100 is placed in the containing hole 210 of panel computer 200, the charging that first, second, third, fourth contact terminal 121,122,123,124 of felt pen 100 is electrically connected on panel computer 200 respectively with positive terminal 221, charging with negative terminal 222, L channel lead-out terminal 223 and R channel lead-out terminal 224.And, the Hall element 410 of felt pen 100 detects the magnet 220 of panel computer 200, thereby produce the shutdown signal of the power supply that is used for charge closing battery 140, and send this shutdown signal to control part 420, control part 420 is controlled rechargeable battery 440 after receiving shutdown signal, makes rechargeable battery 440 that electric power is not provided.
At this moment,, then the sound signal of a left side/R channel can be sent to earphone or loudspeaker, make the sound of user's uppick panel computer 200 if be inserted with the plug 300 of earphone or loudspeaker in the earphone jack 140 as audio port of felt pen 100.
And, because first, second contact terminal 121,122 of felt pen 100 is electrically connected on the charging of panel computer 200 positive terminal 221 and charging negative terminal 222, and first, second contact terminal 121,122 is connected with negative electricity with the positive pole of rechargeable battery 440, therefore when felt pen 100 was placed in the containing hole 210 of panel computer 200, the rechargeable battery 440 of felt pen 100 can be recharged.
In addition, when felt pen 100 is extracted from the containing hole 210 of panel computer 200, Hall element 410 can not detect the magnet 220 that is arranged at panel computer 200, thereby produce the enabling signal of the power supply that starts rechargeable battery 140, and send this enabling signal to control part 420, control part 420 is controlled rechargeable battery 440 after receiving enabling signal, makes rechargeable battery 440 provide electric power to bluetooth module 430.When bluetooth module 430 when rechargeable battery 440 receives electric power, form coupling (pairing) between bluetooth module 430 and the panel computer 100, thereby can make felt pen 100 pass through bluetooth module 430 transmitting/receiving wireless sound signals.Specifically, the receiver of the felt pen 100 150 exportable sound signals that receive from panel computer 200 by bluetooth module 430, thereby the sound that sends of uppick panel computer 200 clearly when the user is put near the position of ear with receiver 150.At this moment, if the user then can send the pairing sound signal of this sound to panel computer 200 by bluetooth module 430 facing to microphone 160 speeches.Thus, can realize the call function of panel computer by felt pen.
As mentioned above, according to the panel computer with felt pen of the present utility model, when described felt pen is placed in the containing hole of described panel computer, if described panel computer is charged, then can be simultaneously to the rechargeable battery charging of described felt pen, thereby do not need special charger.And, when described felt pen is placed in the containing hole of described panel computer,, then can make earphone or loudspeaker output audio signal if the plug of earphone or loudspeaker is inserted into the earphone jack at the handwriting top that is arranged at described felt pen.And, when described felt pen is extracted from the containing hole of described panel computer, can make between described panel computer and the described felt pen by bluetooth module to form coupling (pairing) and communicate, receiver that therefore can be by being arranged at felt pen and microphone make between felt pen and the panel computer and communicate.Therefore, not only can play the effect of clicking touch-screen but also can be used as headphone according to felt pen of the present utility model and converse.
In addition, the disclosed embodiment of the present utility model of this instructions and accompanying drawing is not to limit scope of the present utility model just for technology contents of the present utility model being described more easily and providing specific example to understanding of the present utility model.Except the embodiment disclosed herein, so long as can both implement based on the different variation of technological thought of the present utility model, this general technician for technical field under the utility model is conspicuous.
Claims (6)
1. a panel computer is characterized in that comprising: felt pen; The containing hole that is used for ccontaining described felt pen,
Wherein, described felt pen comprises: handwriting; Be exposed to the bluetooth module of the outside surface of described handwriting, be used for and described panel computer between the transmitting/receiving wireless sound signal; Rechargeable battery is used for providing electric power to described bluetooth module; Hall element produces the signal of the power supply be used to control described rechargeable battery; Control part receives the electric power of being controlled described rechargeable battery by described signal that described Hall element produced and supplies with; Be incorporated into the nib of the bottom of described handwriting,
Described panel computer also comprises the magnet that is close to described containing hole and is provided with, thus, when described Hall element detects described magnet, generation is used to start the enabling signal of the power supply of described rechargeable battery, when described Hall element does not detect described magnet, produce the shutdown signal of the power supply be used to close described rechargeable battery.
2. panel computer as claimed in claim 1 is characterized in that described felt pen also comprises: be arranged at the receiver of the upper end of described handwriting, be used for by described bluetooth module from described panel computer received audio signal; Be arranged at the microphone of the bottom of described handwriting, be used for sending sound signal to described panel computer by described bluetooth module.
3. panel computer as claimed in claim 1 is characterized in that also comprising the charging that is arranged at described containing hole inboard positive terminal and charging negative terminal,
Described felt pen also comprises: be arranged at first contact terminal of the outside surface of described handwriting, this first contact terminal is connected with the positive electrical of described rechargeable battery; Be arranged at second contact terminal of the outside surface of described handwriting, this second contact terminal is connected with the negative electricity of described rechargeable battery,
When described felt pen was placed in the described containing hole, described charging was electrically connected with described first contact terminal with positive terminal, and described charging is electrically connected with described second contact terminal with negative terminal.
4. panel computer as claimed in claim 1 is characterized in that described felt pen also comprises the earphone jack that is arranged at described handwriting top, to be used for when described felt pen is placed in described containing hole, as the audio port of described panel computer.
5. panel computer as claimed in claim 4 is characterized in that also comprising the L channel lead-out terminal and the R channel lead-out terminal that are arranged at described containing hole inboard,
Described felt pen also comprises: be arranged at the 3rd contact terminal of the outside surface of described handwriting, the 3rd contact terminal is electrically connected with the L channel input terminal of described earphone jack; Be arranged at the 4th contact terminal of the outside surface of described handwriting, the 4th contact terminal is electrically connected with the R channel input terminal of described earphone jack,
When described felt pen was placed in the described containing hole, described L channel lead-out terminal was electrically connected with described the 3rd contact terminal, and described the 4th contact terminal of described R channel lead-out terminal fish is electrically connected.
6. panel computer as claimed in claim 1 is characterized in that described felt pen also comprises the clip portion of the upper end that is arranged at described handwriting, to be used for making when described felt pen is placed in described containing hole described felt pen to be clipped on the panel computer and be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020534580XU CN201796320U (en) | 2010-09-17 | 2010-09-17 | Tablet PC (tablet personal computer) with touch pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020534580XU CN201796320U (en) | 2010-09-17 | 2010-09-17 | Tablet PC (tablet personal computer) with touch pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201796320U true CN201796320U (en) | 2011-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020534580XU Expired - Lifetime CN201796320U (en) | 2010-09-17 | 2010-09-17 | Tablet PC (tablet personal computer) with touch pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201796320U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105890A (en) * | 2011-11-09 | 2013-05-15 | 信盈科技(深圳)有限公司 | Tablet computer with bluetooth telephone |
| WO2013174058A1 (en) * | 2012-05-22 | 2013-11-28 | 中兴通讯股份有限公司 | Battery identification system and method for electronic device, and electronic device |
| CN103425221A (en) * | 2012-05-22 | 2013-12-04 | 中兴通讯股份有限公司 | Battery identification system of electronic equipment and battery identification method of electronic equipment |
| CN104078223A (en) * | 2013-03-28 | 2014-10-01 | 友碁科技股份有限公司 | Combined transformer and non-contact battery charging device employing same |
| CN104363989A (en) * | 2014-04-24 | 2015-02-18 | 华为终端有限公司 | Touch pen and terminal |
| CN104375568A (en) * | 2013-08-16 | 2015-02-25 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device |
| CN104821112A (en) * | 2015-05-13 | 2015-08-05 | 中国科学院自动化研究所 | Touch control calligraphy device |
| CN107437710A (en) * | 2016-05-25 | 2017-12-05 | 富泰华工业（深圳）有限公司 | Headset plug and earphone |
| CN108491345A (en) * | 2018-03-29 | 2018-09-04 | 联想(北京)有限公司 | A kind of electronic equipment and matched input equipment |
| CN110750136A (en) * | 2019-09-29 | 2020-02-04 | 联想(北京)有限公司 | Electronic device, information processing method and storage medium |
-
2010
- 2010-09-17 CN CN201020534580XU patent/CN201796320U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105890A (en) * | 2011-11-09 | 2013-05-15 | 信盈科技(深圳)有限公司 | Tablet computer with bluetooth telephone |
| CN103425221B (en) * | 2012-05-22 | 2017-02-15 | 中兴通讯股份有限公司 | Battery identification system of electronic equipment and battery identification method of electronic equipment |
| CN103425221A (en) * | 2012-05-22 | 2013-12-04 | 中兴通讯股份有限公司 | Battery identification system of electronic equipment and battery identification method of electronic equipment |
| CN103424706A (en) * | 2012-05-22 | 2013-12-04 | 中兴通讯股份有限公司 | Battery identification system and method of electronic device |
| WO2013174058A1 (en) * | 2012-05-22 | 2013-11-28 | 中兴通讯股份有限公司 | Battery identification system and method for electronic device, and electronic device |
| CN104078223A (en) * | 2013-03-28 | 2014-10-01 | 友碁科技股份有限公司 | Combined transformer and non-contact battery charging device employing same |
| CN104375568A (en) * | 2013-08-16 | 2015-02-25 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device |
| WO2015161484A1 (en) * | 2014-04-24 | 2015-10-29 | 华为终端有限公司 | Touch pen and terminal |
| CN104363989A (en) * | 2014-04-24 | 2015-02-18 | 华为终端有限公司 | Touch pen and terminal |
| CN104363989B (en) * | 2014-04-24 | 2018-02-06 | 华为终端（东莞）有限公司 | Felt pen and terminal |
| CN104821112A (en) * | 2015-05-13 | 2015-08-05 | 中国科学院自动化研究所 | Touch control calligraphy device |
| CN107437710A (en) * | 2016-05-25 | 2017-12-05 | 富泰华工业（深圳）有限公司 | Headset plug and earphone |
| CN108491345A (en) * | 2018-03-29 | 2018-09-04 | 联想(北京)有限公司 | A kind of electronic equipment and matched input equipment |
| CN110750136A (en) * | 2019-09-29 | 2020-02-04 | 联想(北京)有限公司 | Electronic device, information processing method and storage medium |
| CN110750136B (en) * | 2019-09-29 | 2021-05-18 | 联想(北京)有限公司 | Electronic device, information processing method and storage medium |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110413 |