CN201247448Y - Portable electronic equipment and writing pencil - Google Patents
Portable electronic equipment and writing pencil Download PDFInfo
- Publication number
- CN201247448Y CN201247448Y CNU2008201099353U CN200820109935U CN201247448Y CN 201247448 Y CN201247448 Y CN 201247448Y CN U2008201099353 U CNU2008201099353 U CN U2008201099353U CN 200820109935 U CN200820109935 U CN 200820109935U CN 201247448 Y CN201247448 Y CN 201247448Y
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- writing pencil
- timer
- timing
- portable electric
- electric appts
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- Expired - Lifetime
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Abstract
The utility model discloses a portable electronic device. The portable electronic device comprises a pen slot used for accommodating a writing pen used by being matched with the portable electronic device; a sensing switch used for detecting a first detection signal generated when the writing pen is not positioned in the pen slot; a touch screen used for realizing command or data inputting by a user using the writing pen; a touch screen detecting device used for detecting a second detection signal generated when the writing pen is in contact with the touch screen and the active touch point exists; a controller used for generating a first control signal and a second control signal respectively according to the first detection signal and the second detection signal; a timer used for timing after receiving the first control signal, stopping timing and retiming after receiving the second control signal under the condition that the preset threshold value does not reach and used for generating an indicator signal for generating a prompt signal when the preset threshold value reaches; and a prompting unit used for providing the prompt signal generated based on the indicator signal for generating the prompt signal for the users. The utility model can prevent the writing pen from being lost and being misinformed during the normal use.
Description
Technical field
The utility model relates to portable electric appts, is a kind of portable electric appts and writing pencil of preventing that writing pencil is lost specifically.
Background technology
Existing portable electric appts (as personal digital assistant PDA, mobile phone etc.) has touch-screen more, is furnished with writing pencil simultaneously.Utilize this writing pencil, the user can be on touch-screen input characters, figure, perhaps choose the option in the portable electric appts embedded software, promptly be used as mouse and use.Frequent because of using, the user often forgets after finishing using the writing pencil playback, causes writing pencil to lose thus, thereby influence the use of portable electric appts.
In order to address this problem, at present the anti-lost solution of multiple writing pencil has been proposed, be summarized as follows:
For example, adopt the anti-solution of losing of stay cord.This dragline type writing pencil comprises: nib, penholder, be shaped on the elastic telescopic body in penholder inside, and be provided with rotating shaft on the top of elastic telescopic body, stay cord is wrapped in the rotating shaft, is provided with the hole on penholder, and an end of stay cord passes the penholder hole.When using writing pencil, stay cord can elongate suitable distance under the effect of elastic force retractor device, make things convenient for user writing, also can be anti-lost.But the limited length of stay cord has limited the scope of activities of writing pencil thus.
And for example, the master and slave equipment of employing radio communication is prevented losing antitheft, as collapsible antenna writing pencil, wireless telecommunications anti-loss device etc.Utilize wireless communication technique, main equipment sends signal to slave unit, to detect slave unit whether in specified scope.If in this scope, slave unit feeds back to main equipment one confirmation signal; If not in this scope, main equipment is enabled warning circuit and is reported to the police, and reminds the user that writing pencil is in time playbacked.But this scheme need be utilized wireless communication module, and main equipment body and slave unit is set so that carry out communication, and its cost is higher.
For another example, the anti-writing pencil of electronics sensing apparatus is lost.Specifically be, be provided with one for the slot that writing pencil is installed on electronic equipment, be provided with a sense switch in the groove, the control circuit of this sense switch and this electronic installation is electrically connected.When this writing pencil was installed in this slot, the touched and transmitting signals of sense switch was to control circuit; When this writing pencil is not installed in this slot, sense switch does not transmit not touched signal to this control circuit because of touched, make this electronic installation be shut down or not be used a period of time, and the not touched signal of this sense switch sustained delivery is to this control circuit, control circuit will start a phonation circuit, remind the user that writing pencil is in time playbacked.In this scheme, the electronics sensing apparatus is an autonomous device, can't distinguish whether writing pencil is used; If writing pencil is held in user's hand for a long time, this electronics sensing apparatus also can be reported to the police, and promptly forms wrong report, thereby influences the normal use of portable electric appts.
The utility model content
In view of this, the utility model provides a kind of portable electric appts, can point out the user when writing pencil does not in time playback, and can prevent that also writing pencil from being reported by mistake in use.The utility model also provides a kind of writing pencil, can realize above-mentioned purpose equally.
For solving above technical matters, the portable electric appts that the utility model provides, its technical scheme is to comprise:
A groove is used for the matching used writing pencil of ccontaining and described portable electric appts;
Sense switch is used for producing into first detection signal when detecting described writing pencil not at described groove;
Touch-screen, the user utilizes described writing pencil to realize the input of instruction or data by described touch-screen;
Touch screen detection device is used for generating second detection signal when the described writing pencil of detection contacts with described touch-screen and has effective touch point;
Controller is used for producing first control signal according to described first detection signal, is used for showing generation second control signal according to described second detection signal;
Timer is used for picking up counting after receiving described first control signal, does not reach under the default timing threshold values situation in described timing, stops timing and reclocking after receiving described second control signal; When described timing reaches default timing threshold values, produce and generate the cue indicator signal;
Tip element is used for providing the cue that produces based on described generation cue indicator signal to the user.
Especially, portable electric appts of the present utility model can adopt following scheme:
Described Tip element is the Tip element that adds; Perhaps, be the Tip element of portable electric appts self.
Described touch screen detection device, controller, timer and Tip element add feed circuit; Perhaps, continue to use the feed circuit of portable electric appts.
Described controller is the controller that adds; Perhaps, be the controller of portable electric appts self.
Described timer is the timer that adds; Perhaps, be the timer of portable electric appts self.
Described timer is by the default timing threshold values of the system user interface of portable electric appts.
In addition, the utility model also provides another kind of technical scheme, and the relevant parts that its anti-writing pencil is lost are arranged in the writing pencil.This writing pencil is with the supporting use of portable electric appts; Described portable electric appts comprises a groove, is used for ccontaining described writing pencil; Touch-screen, the user utilizes the input of described writing pencil by described touch-screen realization instruction or data, and described writing pencil also comprises:
Nib-timer zero clearing device is used for producing into the timing enabling signal when detecting described writing pencil not at described groove; And be used for when the described writing pencil nib of detection contacts with described touch-screen and has effective touch point, producing into the timing reset signal;
Timer is used for picking up counting after receiving described timing enabling signal, does not reach under the default timing threshold values situation in described timing, stops timing and reclocking after receiving described timing reset signal; When described timing reaches default timing threshold values, produce and generate the cue indicator signal;
Tip element is used for providing the cue that produces based on described generation cue indicator signal to the user.
Further, writing pencil of the present utility model can be done following improvement:
Also be included in the timer zero clearing button that is provided with on the position of shaking hands of writing pencil penholder, be used for when described writing pencil is held in user's hand, producing into the timing reset signal, so that described timer zero clearing.
Also comprise timing controller, be used for default timing threshold values.
Also comprise timing display, be used to show default timing threshold values.
Tip element compared with prior art, the utility model judges by sense switch whether writing pencil is positioned among the groove.Break away from a groove at writing pencil, and timer arrives under the default timing threshold values situation, Tip element in time sends cue, reminds the user that writing pencil is playbacked, thereby prevents that effectively writing pencil from losing.
And this writing pencil loss prevention device also can be judged the user mode of writing pencil exactly, prevents that Tip element from sending wrong report, to guarantee the normal use of writing pencil, specifically:
Touch screen detection device is set in portable electric appts, under the prerequisite of sense switch " not touched ", can detects writing pencil and whether have effective touch point, just detect writing pencil and whether be used at touch-screen.If writing pencil is in user mode, touch screen detection device will send corresponding signal to controller, make timer be reset.In this case, timer can't arrive default timing threshold values, thereby prevents that Tip element from sending wrong report.
Perhaps, nib-timer zero clearing device is set in writing pencil, when writing pencil is in a groove, the state that the nib maintenance is extruded, Tip element can not pointed out.After writing pencil broke away from a groove, timer began to start timing; Be used as writing pencil, nib can contact with touch-screen incessantly, thereby makes timer constantly be cleared; Because timer can not arrive the timing threshold values, Tip element can not send cue, has just avoided wrong report yet.
Especially, timer zero clearing button is set on the position of shaking hands of writing pencil penholder, when writing pencil is held in the hand for a long time, timer zero clearing button on the writing pencil is touched, thereby can be constantly to the timer zero clearing, make Tip element can not send cue, thereby further prevent wrong report.
The utility model can in time not pointed out when writing pencil playbacks, and can prevent effectively that thus writing pencil from losing; And, can also judge the user mode of writing pencil, avoid occurring the wrong report phenomenon.In addition, the restriction on its no usage space, easy to use; Also need not wireless communication module, cost is lower.
Description of drawings
Fig. 1 is the composition synoptic diagram of the utility model first embodiment, and this figure only illustrates the parts that the official seal writing pencil is lost;
Fig. 2 is the circuit module synoptic diagram of Fig. 1;
Fig. 3 is the composition synoptic diagram of the utility model writing pencil second embodiment, and this figure only illustrates the parts that the official seal writing pencil is lost;
Fig. 4 is the circuit module synoptic diagram of Fig. 3.
Embodiment
Basic design of the present utility model is, in portable electric appts or writing pencil: timer is set, and after arriving default timing threshold values, Tip element is pointed out; Simultaneously, writing pencil user mode pick-up unit is set, when writing pencil is used, timer is reset or zero clearing; Under user mode, timer can't arrive default timing threshold values, thereby prevents the Tip element wrong report.
Describe below in conjunction with specific embodiment and accompanying drawing.
Please refer to Fig. 1, this figure is the composition synoptic diagram of the utility model first embodiment.Portable electric appts among this embodiment comprises:
Groove 1 is used for the matching used writing pencil of ccontaining and described portable electric appts;
Touch-screen, the user utilizes described writing pencil to realize the input of instruction or data by described touch-screen;
Touch screen detection device 5 is used for generating second detection signal when the described writing pencil of detection contacts with described touch-screen and has effective touch point;
Particularly, in this embodiment, be provided with lower member in portable electric appts: sense switch 2 is arranged in the groove 1, be used for detecting writing pencil and whether be placed on a groove 1, promptly whether be placed among the groove 1 by " touched "/" not pressing " difference writing pencil; Controller 3 is used to receive various detection signals and exports steering order, and it should have basic signal handling capacity; Tip element 6 is used to send cue, and this cue can be sound, light, vibration signal or its combination in any; Timer 4 is used for determining the timing threshold values, and is optional with built-in timing circuit in timing chip or the use portable electric appts; Touch screen detection device 5 is used to detect writing pencil and whether has the effect touch point on the touch-screen of portable electric appts; Usually, under the prerequisite that sense switch 2 " is not pressed and touched ", can utilize touch-screen self detection layers to judge whether to exist effective contact point, if, show that writing pencil is used, if not, show that writing pencil is in non-working condition.
Please refer to Fig. 2, this figure is the circuit module synoptic diagram of Fig. 1.It is electrically connected for: the output terminal of sense switch 2, touch screen detection device 5 connects an input end of controller 3 respectively; The input end of timer 4 is connected with the output terminal of controller 3, and the output terminal of timer 4 is connected with the input end of Tip element 6.Wherein, controller 3 is accepted the detection signal of sense switch 2, touch screen detection device 5, according to expectant control strategy output steering order, timer 4 is moved according to pre-provisioning request.
When writing pencil broke away from groove 1, timer 4 started; When there was effective touch point in writing pencil on touch-screen, timer 4 was reset; When timer 4 arrived default timing threshold values, Tip element 6 sent cue.Its detailed process is:
Be placed on situation in the groove 1 according to writing pencil, sense switch 2 detects " touched "/" not touched " signal, and sends to controller 3; Detect under the prerequisite of " not touched " at sense switch 2, touch screen detection device 5 further judges whether writing pencil exists effective touch point on touch-screen, and the relevant detection signal is sent to controller 3; Controller 3 is according to the sense switch 2 that receives and the detection signal of touch screen detection device 5, startup/replacement timer 4; If timer 4 reaches default timing threshold values, Tip element 6 will be waken up, and send cue.
This shows, in the present embodiment, can judge by sense switch 2 whether writing pencil is positioned among the groove 1.Break away from a groove 1 at writing pencil, and timer 4 arrives under the default timing threshold values situation, Tip element 6 in time sends cue, reminds the user that writing pencil is playbacked, thereby prevents that effectively writing pencil from losing.And the user mode that it also can judge writing pencil exactly prevents that Tip element 6 from sending wrong report, to guarantee the normal use of writing pencil, specifically:
Touch screen detection device 5 is set, under the prerequisite of sense switch 2 " not touched ", can detects writing pencil and whether have effective touch point, just detect writing pencil and whether be used at touch-screen.If writing pencil is in user mode, touch screen detection device 5 will send corresponding signal to controller 3, make timer 4 be reset.In this case, timer 4 can't arrive default timing threshold values, thereby prevents that Tip element 6 from sending wrong report.
Especially, in the present embodiment, Tip element 6, feed circuit, controller 3, timer 4 etc. can be and add element, also can continue to use the subelement in the portable electric appts, so that save the space, reduce cost, specifically:
Obviously, also gauge tap can be set, be used for the anti-lost relative assembly of writing pencil in the portable set so that open or close.When using or not using for a long time, the user can close timer 4 by gauge tap, perhaps disconnects the circuit of Tip element 6; At this moment, Tip element 6 all can not send cue.
Above embodiment is used for the anti-lost critical piece of writing pencil and all is arranged in the portable electric appts, in fact, also it can be arranged among the writing pencil, is summarized as follows:
Please refer to Fig. 3, this figure is the composition synoptic diagram of the utility model writing pencil second embodiment.Writing pencil among this embodiment is with the supporting use of portable electric appts; Described portable electric appts comprises a groove 1, is used for ccontaining described writing pencil; Touch-screen, the user utilizes described writing pencil to realize the input of instruction or data by described touch-screen; Described writing pencil comprises:
Nib-timer zero clearing device 8 is used for producing into the timing enabling signal when detecting described writing pencil not at described groove 1; And be used for when the described writing pencil nib of detection contacts with described touch-screen and has effective touch point, producing into the timing reset signal;
Particularly, in this embodiment, be provided with lower member in writing pencil: Tip element 6 is used to send cue; Timer 4 is used for determining the timing threshold values; Nib-timer zero clearing device 8 is used to control the startup or the replacement of timer 4.Wherein, the duty of nib-timer zero clearing device 8 depends on the squeezed state of nib; When the nib of writing pencil was squeezed, nib-timer zero clearing device 8 started; Otherwise when nib was not squeezed, nib-timer zero clearing device 8 was closed.
Please refer to Fig. 4, this figure is the circuit module synoptic diagram of Fig. 3.It is electrically connected into: the nib-output terminal of timer zero clearing device 8 is connected with the input end of timer 4, and the output terminal of timer 4 is connected with the input end of Tip element 6.
When writing pencil broke away from groove 1, timer 4 started; When nib contacted the touch-screen of portable electric appts, nib-timer zero clearing device 8 made timer 4 zero clearings; When timer 4 arrived default timing threshold values, Tip element 6 sent cue; Detailed process is:
Duty with nib control nib-timer zero clearing device 8; In the time of in writing pencil is placed on a groove 1, the state that the nib maintenance is extruded, nib-timer zero clearing device 8 starts, and makes timer 4 be reset, and Tip element 6 can not pointed out.When a writing pencil disengaging groove 1, timer 4 picks up counting.If writing pencil is used, nib will continual contact touch-screen, makes nib constantly be squeezed; Thus, nib-timer zero clearing device 8 makes being cleared that timer 4 do not stop; Because of timer 4 can't arrive the timing threshold values, Tip element 6 will can not send cue.Otherwise after a period of time, because of nib is not squeezed, nib-timer zero clearing device 8 can not make timer 4 zero clearings if writing pencil is left unused; Thus, after timer 4 arrived the timing threshold values, Tip element 6 will send cue, reminded user's writing pencil not insert among the groove 1 as yet.
This shows that in the present embodiment, nib can play the effect of sense switch 2, it can be used for judging whether writing pencil is positioned among the groove 1.Break away from a groove 1 at writing pencil, and timer 4 arrives under the default timing threshold values situation, Tip element 6 in time sends cue, reminds the user that writing pencil is playbacked, thereby prevents that effectively writing pencil from losing.And the user mode that it also can judge writing pencil exactly prevents that Tip element 6 from sending wrong cue, to guarantee the normal use of writing pencil, specifically:
Nib-timer zero clearing device 8 is set in writing pencil, when writing pencil is in a groove 1, the state that the nib maintenance is extruded, Tip element 6 can not pointed out.After writing pencil broke away from a groove 1, timer 4 began to start timing; Be used as writing pencil, nib can contact with touch-screen incessantly, thereby makes timer 4 constantly be cleared; Because timer 4 can not arrive the timing threshold values, Tip element 6 can not send cue, has just avoided wrong report yet.
On this basis, present embodiment also can further improve, and is summarized as follows:
Please also refer to Fig. 3, Fig. 4, the writing pencil in the present embodiment also is provided with timer zero clearing button 9 on the position of shaking hands of writing pencil penholder, and another input end of itself and timer 4 is electrically connected.When writing pencil is held in the hand for a long time, the timer zero clearing button 9 on the writing pencil is touched, thus, can make writing pencil just at work can not send prompting constantly to the timer zero clearing.
Especially, also in writing pencil, be provided for the timing controller 10 of default timing threshold values, another input end of its output terminal connection timer 4; Simultaneously, be provided for showing the timing display 11 of default timing threshold values in writing pencil, it connects the output terminal of timing controller 10; Usually, timing display 11 is a LCD.
In addition, feed circuit 12 are set in writing pencil also, so that to described Tip element 6, timer 4, nib-timer zero clearing device 8, timer zero clearing button 9, timing controller 10 and timing display 11 power supplies.These feed circuit 12 output dc voltages, usually adopting battery is power supply.
For this reason, also be provided for charger 13 to feed circuit 12 charging; Wherein, the contact chip 14 that is provided for charging on the charger 13; Meanwhile, the charging inlet supporting with contact chip 14 also is set in a groove 1.When writing pencil inserted groove 1, portable electric appts can charge to feed circuit 12, prevents from not carry out pointing out because of electric energy exhausts.Certainly, when if feed circuit 12 adopt have than the button battery of long life, can omit charger 13 these parts, not repeat them here.
Identical with aforementioned first embodiment, in the present embodiment, also gauge tap can be set, be used for the anti-lost relative assembly of writing pencil in the writing pencil so that open or close.Similarly, cue also can be sound, light, vibration signal or its combination in any.
Portable electric appts of the present utility model, (as mobile phone, notebook computer, digital camera, PDA, electronic memo etc.) and writing pencil can in time be pointed out when writing pencil does not playback, and can prevent effectively that thus writing pencil from losing; And, can also judge the user mode of writing pencil, avoid occurring the wrong report phenomenon.In addition, the restriction on its no usage space, easy to use; Also need not wireless communication module, cost is lower, promise well.
The above only is a preferred implementation of the present utility model, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, and protection domain of the present utility model should be as the criterion with claim institute restricted portion.For those skilled in the art, in not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1, a kind of portable electric appts is characterized in that, comprising:
A groove is used for the matching used writing pencil of ccontaining and described portable electric appts;
Sense switch is used for producing into first detection signal when detecting described writing pencil not at described groove;
Touch-screen, the user utilizes described writing pencil to realize the input of instruction or data by described touch-screen;
Touch screen detection device is used for generating second detection signal when the described writing pencil of detection contacts with described touch-screen and has effective touch point;
Controller is used for producing first control signal according to described first detection signal, is used for showing generation second control signal according to described second detection signal;
Timer is used for picking up counting after receiving described first control signal, does not reach under the default timing threshold values situation in described timing, stops timing and reclocking after receiving described second control signal; When described timing reaches default timing threshold values, produce and generate the cue indicator signal;
Tip element is used for providing the cue that produces based on described generation cue indicator signal to the user.
2, portable electric appts as claimed in claim 1 is characterized in that: described Tip element is the Tip element that adds; Perhaps, be the Tip element of portable electric appts self.
3, portable electric appts as claimed in claim 1 is characterized in that: described touch screen detection device, controller, timer and Tip element add feed circuit; Perhaps, continue to use the feed circuit of portable electric appts.
4, portable electric appts as claimed in claim 1 is characterized in that: described controller is the controller that adds; Perhaps, be the controller of portable electric appts self.
5, portable electric appts as claimed in claim 1 is characterized in that: described timer is the timer that adds; Perhaps, be the timer of portable electric appts self.
6, as each described portable electric appts of claim 1-5, it is characterized in that: described timer is by the default timing threshold values of the system user interface of portable electric appts.
7, a kind of writing pencil is with the supporting use of portable electric appts; Described portable electric appts comprises a groove, is used for ccontaining described writing pencil; Touch-screen, the user utilizes described writing pencil to realize the input of instruction or data by described touch-screen; It is characterized in that described writing pencil comprises:
Nib-timer zero clearing device is used for producing into the timing enabling signal when detecting described writing pencil not at described groove; And be used for when the described writing pencil nib of detection contacts with described touch-screen and has effective touch point, producing into the timing reset signal;
Timer is used for picking up counting after receiving described timing enabling signal, does not reach under the default timing threshold values situation in described timing, stops timing and reclocking after receiving described timing reset signal; When described timing reaches default timing threshold values, produce and generate the cue indicator signal;
Tip element is used for providing the cue that produces based on described generation cue indicator signal to the user.
8, writing pencil as claimed in claim 7, it is characterized in that: also be included in the timer zero clearing button that is provided with on the position of shaking hands of writing pencil penholder, be used for when described writing pencil is held in user's hand, producing into the timing reset signal, so that described timer zero clearing.
9, writing pencil as claimed in claim 7 is characterized in that: also comprise timing controller, be used for default timing threshold values.
10, as each described writing pencil of claim 7-9, it is characterized in that: also comprise timing display, be used to show default timing threshold values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201099353U CN201247448Y (en) | 2008-08-14 | 2008-08-14 | Portable electronic equipment and writing pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201099353U CN201247448Y (en) | 2008-08-14 | 2008-08-14 | Portable electronic equipment and writing pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201247448Y true CN201247448Y (en) | 2009-05-27 |
Family
ID=40731272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201099353U Expired - Lifetime CN201247448Y (en) | 2008-08-14 | 2008-08-14 | Portable electronic equipment and writing pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201247448Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866171A (en) * | 2010-04-28 | 2010-10-20 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Timing control method and device for production line equipment |
| CN102736820A (en) * | 2011-04-01 | 2012-10-17 | 国基电子（上海）有限公司 | Ebook |
| CN102736753A (en) * | 2012-06-15 | 2012-10-17 | 苏州瀚瑞微电子有限公司 | Photoelectric touch pen system |
| TWI550445B (en) * | 2011-03-17 | 2016-09-21 | Kyocera Corp | Tactile display device |
-
2008
- 2008-08-14 CN CNU2008201099353U patent/CN201247448Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866171A (en) * | 2010-04-28 | 2010-10-20 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Timing control method and device for production line equipment |
| CN101866171B (en) * | 2010-04-28 | 2012-08-22 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Timing control method and device for production line equipment |
| TWI550445B (en) * | 2011-03-17 | 2016-09-21 | Kyocera Corp | Tactile display device |
| CN102736820A (en) * | 2011-04-01 | 2012-10-17 | 国基电子（上海）有限公司 | Ebook |
| CN102736753A (en) * | 2012-06-15 | 2012-10-17 | 苏州瀚瑞微电子有限公司 | Photoelectric touch pen system |
| CN102736753B (en) * | 2012-06-15 | 2016-12-21 | 苏州瀚瑞微电子有限公司 | Photoelectric touch pen system |
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| 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: 20090527 |