CN108819566A - A kind of smart pen and smart pen control method - Google Patents
A kind of smart pen and smart pen control method Download PDFInfo
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- CN108819566A CN108819566A CN201810875617.6A CN201810875617A CN108819566A CN 108819566 A CN108819566 A CN 108819566A CN 201810875617 A CN201810875617 A CN 201810875617A CN 108819566 A CN108819566 A CN 108819566A
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- smart pen
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- detection signal
- writing
- pen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K27/00—Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
Abstract
The invention discloses a kind of smart pens, the multiple nibs, sensing unit, control unit and the actuating unit that correspond to different type and write object including being formed with the penholder of pen tip, in penholder；The sensing unit is used to detect the writing object of smart pen and forms detection signal；Described control unit is used to determine the object type for writing object according to the detection signal, forms control signal corresponding with the object type and be transmitted to the actuating unit；The actuating unit is used to make nib corresponding with the writing object move at the pen tip according to the control signal, the invention also discloses a kind of smart pen control methods, automatically switch nib under the conditions of different writing objects, simplify user's operation, improves user experience.
Description
Technical field
The present invention relates to intellectual product fields.More particularly, to a kind of smart pen and smart pen control method.
Background technique
With the development of touch display screen, more and more electronic equipments have touch function, and user can pass through stylus
Relevant operation is carried out in touch display screen, and when user needs to be write on blank sheet of paper with lettering pen, it needs touch-control
Pen is put down, and replacement lettering pen writes on blank sheet of paper again.Stylus and the frequent switching of lettering pen will lead to the inconvenient of user,
Reduce user experience.
Summary of the invention
It is an object of the present invention to provide a kind of smart pens, automatically switch nib under the conditions of different writing objects,
Simplify user's operation, improves user experience.It is another object of the present invention to provide a kind of smart pen control methods.
In order to achieve the above objectives, the present invention adopts the following technical solutions：
One aspect of the present invention discloses a kind of smart pen, corresponds to not including being formed with the penholder of pen tip, being set in penholder
Multiple nibs, sensing unit, control unit and the actuating unit of same type writing object；
The sensing unit is used to detect the writing object of smart pen and forms detection signal；
Described control unit be used for according to it is described detection signal determine it is described write object object type, formed with it is described
The corresponding control signal of object type is simultaneously transmitted to the actuating unit；
The actuating unit is used to that nib corresponding with the writing object to be made to move to according to the control signal described
At pen tip.
Preferably, the sensing unit includes light-emitting component and light sensing component；
The light sensing component receives reflected light and root that the light-emitting component issues and through the writing object reflection
Detection signal is formed according to the reflected light, the detection signal has based on the intensity signal for writing object.
Preferably, multiple etalon optical powers corresponding from the writing object of different object types are preset in described control unit
Range；
The etalon optical power range that described control unit is used to be fallen into according to the intensity signal of the detection signal, which determines, to be write
The object type of object.
Preferably, the smart pen further includes power supply unit, and said supply unit includes being electrically connected with each unit
Battery component；
Said supply unit further comprises the wireless power component for battery component charging, the wireless power group
Part generates charging current under the action of external wireless charging component as battery component charging；And/or
Said supply unit further comprises the charging interface being electrically connected on the penholder and with the battery component,
When the charging interface is electrically connected with external power supply, external power supply is battery component charging.
Preferably, the smart pen further includes the electricity sensing unit for detecting the battery component electricity；
The electricity sensing unit includes the current sense resistor of the current output terminal set on the battery component and sets
Coulomb meter in the current sense resistor both ends；
The output information and processing that described control unit is used to receive the Coulomb meter obtain the electricity of the battery component.
Preferably, the multiple nib includes at least the writing for the stylus of touching display screen and for writing paper
Pen.
Preferably, the actuating unit includes the motor and gear being electrically connected with the control unit；
The motor drives the gear to rotate according to control signal rotation, and gear rotation drives multiple nib fortune
It is dynamic, move to nib corresponding with the writing object at the pen tip.
Preferably, the smart pen further comprises position sensor；
The position sensor is used to form the position detection signal comprising written location information, and described control unit is used for
Based on the position of the determining nib corresponding with the writing object of the position detection signal, when the position of the nib reaches pen
When at point, controls the actuating unit and stop.
Preferably, the position sensor is Hall sensor；
The turned position that the Hall sensor is used to detect the motor forms the position detection signal, the control
Unit is used to determine the turned position of the motor based on the position detection signal, when the turned position of motor reaches default position
Set place, it is determined that nib corresponding with the writing object reaches at pen tip, controls the actuating unit and stops.
Another aspect of the present invention discloses a kind of control method of smart pen as described above, including
It detects the writing object of smart pen and forms detection signal；
The object type for writing object is determined according to the detection signal, forms control corresponding with the object type
Signal processed；
Nib corresponding with the writing object is moved at the pen tip according to the control signal.
Beneficial effects of the present invention are as follows：
It is equipped with multiple nibs, sensing unit, control unit and actuating unit in smart pen of the invention, passes through sensing unit
The writing object for detecting smart pen forms detection signal, and control unit gets detection signal and handled, it may be determined that writes
The object type of object, such as can determine that the writing object of user is touch display screen or common paper, according to writing pair
The actuating unit not in the same direction of elephant sends control signal to control actuating unit driving nib corresponding with object is write and move to pen
Point place, user can need not it is more hand-off in pen the switching between touch control operation and normal writing can be realized.The present invention passes through
Active Detection Techniques realize automatic switchover written in smart pen, make user can be on multiple and different writing objects without switching
Continuous operation simplifies user's operation, improves efficiency.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows the schematic diagram of a specific embodiment smart pen of the invention.
Fig. 2 shows the schematic diagrames of the sensing unit of smart pen in a specific embodiment of the invention.
Fig. 3 shows the schematic diagram of the power supply unit of smart pen in a specific embodiment of the invention.
Fig. 4 shows the schematic diagram of the electricity sensing unit of smart pen in a specific embodiment of the invention.
Fig. 5 shows the schematic diagram of the actuating unit of smart pen in a specific embodiment of the invention.
Fig. 6 shows the flow chart of smart pen control method in a specific embodiment of the invention.
Appended drawing reference：
1, penholder, 2, pen tip, 3, nib, 4, sensing unit, 5, control unit, 6, actuating unit, 41, light-emitting component, 42,
Light sensing component, 421, light-receiving amplification module, 422, light energy detection module, 7, power supply unit, 71, battery component, 72, nothing
Line Power Supply Assembly, 73, charging interface, 741, battery, 742, battery management module, 8, electricity sensing unit, 81, current detecting electricity
Resistance, 82, Coulomb meter, 9, unit of warning, 91, Microspeaker, 61, motor, 62, gear, 10, position sensor.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
Need to switch different pens for the different switchings for writing object such as touching display screen in the prior art and writing paper
Bring inconvenience problem, the present invention improve smart pen.
According to an aspect of the present invention, as shown in Figure 1, disclosing a specific embodiment of smart pen.The present embodiment
In, smart pen includes the penholder 1 for being formed with pen tip 2, the multiple nibs for corresponding to different type and writing object in penholder 1
3, sensing unit 4, control unit 5 and actuating unit 6.
Wherein, sensing unit 4 is used to detect the writing object of smart pen and forms detection signal.Control unit 5 is used for root
The object type for writing object is determined according to the detection signal, is formed control signal corresponding with the object type and is passed
Transport to the actuating unit 6.Actuating unit 6 is used for according to control signal driving corresponding with the writing object written 3
It moves at the pen tip 2.The present invention forms detection signal, control unit by the writing object that sensing unit detects smart pen
5 get detection signal and are handled, it may be determined that the object type for writing object, according to writing, not activating in the same direction for object is single
Member 6 sends control signal to control the driving of actuating unit 6 with object corresponding written 3 is write and move at pen tip 2, and smart pen can
Automatically switch different nibs according to the difference for writing object, make user can need not it is more hand-off in pen can be realized and do not ibideming
The seamless switching between object is write, is operated continuously, simplifies the operating process of user, keeps user's use more convenient, when saving
Between, user experience is good.
Preferably, low-power consumption micro-chip processor (Micro Control Unit, MCU) can be used in control unit 5, more preferably
Supply voltage 3.3V chip below can be selected in ground, and to reduce electric quantity consumption, extend smart pen single charge uses the time.
Preferably, as shown in Fig. 2, sensing unit 4 may include light-emitting component 41 and light sensing component 42.Wherein, shine member
Part 41 can be electrically connected with control unit 5, be shone under the control of control unit 5, and the light that light-emitting component 41 issues can pass through pen tip 2
Opening expose on the writing object of user and reflect.
Light sensing component 42 receives reflected light and root that the light-emitting component 41 issues and through the writing object reflection
Detection signal is formed according to the reflected light, the detection signal has based on the intensity signal for writing object.
Preferably embodiment, light sensing component 42 may include light-receiving amplification module 421 and light energy detection mould
Block 422, light-receiving amplification module 421 for being amplified to received reflected light signal, light energy detection module 422 for pair
Amplified optical signal is detected to obtain detection signal, to improve the detection accuracy of reflected light light intensity.
Preferably, light-emitting component 41 may be provided at the position that 1 center of penholder is corresponded in penholder 1, the light-emitting component in penholder 1
41 can issue optical signals in the control of control unit 5, and the different object of writing of smart pen is what different materials was formed, such as white
Paper and touching display screen, the luminous reflectivity between different writing objects have differences, and the light that light-emitting component 41 issues is in book
Subject surface is write to reflect.The reflection reflected to form by writing subject surface is further obtained by light sensing component 42
Light forms detection signal according to reflected light, and the detection signal is corresponding with the light intensity of reflected light, so that control unit 5 can be to detection
Signal is handled, and judges the writing object of user's operation, is switched to carry out nib 3.
Close to normal incidence (incidence angle θ is approximately equal to 0), reflectivity calculation formula is the light beam that light-emitting component 41 issues：R=
(n1-n2)^2/(n1+n2)^2.Wherein, n1, n2 are the true refractive index of two media respectively (i.e. relative to the refraction of vacuum
Rate).By the refractive index of test writing paper and touch display screen, the size of the intensity of the light of unlike material reflection is obtained, thus
Distinguish different writing objects.
Multiple standards corresponding from different object types can be preset in being preferably carried out mode, in described control unit 5
Range of light intensity, described control unit 5, which handles the detection signal, can be obtained intensity signal, determine the standard that the intensity signal is fallen into
Range of light intensity, so as to determine the object type for writing object.Intensity signal and multiple etalon optical power ranges are compared respectively
Right, determination contains one of etalon optical power range of intensity signal.
For example, for realizing that the nib 3 between touch display screen and blank sheet of paper switches, according to opaque medium such as mirror surface
Reflectivity be 100%, non-specular surface is then related with color, temperature, the aspects factor such as attribute of light.Touch display screen is shining
It does not shine and is in outside the reflected range of blank sheet of paper, and the material of glass and papery material are widely different, tested by experiment
Means, it is easy to obtain the reflection differences of two kinds of materials.Therefore, when switching nib 3 between touch display screen and blank sheet of paper, root
The material at interface is judged according to the intensity of reflected light, to quickly recognize the type of material, is convenient for real-time perfoming nib 3
Switching.
Assuming that by experiment test, the intensity signal point of acquired light reflectance data in both different object types
Not Wei [a1, a2 ... an], [b1, b2 ... bn], wherein assuming that these data have respective value range, when collected reflection
When light data fall in different range of light intensity sections, according to data range of choice, the object type for writing object is obtained, then is controlled
Unit 5 controls actuating unit 6 and drives corresponding written 3 to move at pen tip 2 automatically, to realize nib 3 in different writings pair
As when automatic switchover.
Preferably, as shown in figure 3, the smart pen further includes power supply unit 7, which can be used wireless mode
Power supply, can also be used hardwired for power, it is highly preferred that can also as in the present embodiment using wirelessly and by the way of wired combination into
Row is powered, and the double-head arrow in figure indicates that wireless charging component and wireless power component 72 wirelessly carry out energy exchange,
Wireless charging component is wirelessly that wireless power component 72 provides electric energy.Said supply unit 7 may include and each list
The battery component 71 that member is electrically connected.
In wireless mode power supply, said supply unit further includes the wireless power component for the battery component 71 charging
72.It is the battery component 71 that the wireless power component 72 generates charging current under the action of external wireless charging component
Charging.
In hardwired for power, said supply unit further includes the wireless power component for the battery component 71 charging
72.The charging assembly include the battery component 71 being electrically connected with each unit and be set to the penholder 1 on and with the battery
The charging interface 73 that component 71 is electrically connected, when the charging interface 73 is electrically connected with external power supply, external power supply is the electricity
Pond component 71 charges.
Wherein, battery component 71 may include battery 741 and battery management module 742.Optionally, the battery 741 can be with
Select battery or super capacitor.
Further, it is preferable to ground, as shown in figure 4, the smart pen may also include for detecting 71 electricity of battery component
The electricity sensing unit 8 of amount.The electricity sensing unit 8 includes the current detecting of the current output terminal set on the battery component
Resistance 81 and Coulomb meter 82 set on 81 both ends of current sense resistor.Specifically, in the present embodiment, current sense resistor
81 are electrically connected with the current output terminal of battery 741, and battery can be calculated in the pressure drop by detecting 81 both ends of current sense resistor
741 output electric current.In practical applications, current sense resistor 81 can also be set to other positions of battery component output loop
It sets, the electricity of battery 741 can be calculated by resistance 81.
The output information and processing that described control unit 5 is used to receive the Coulomb meter 82 obtain the battery component 71
Electricity.The electricity of battery 741 is detected by the way that electricity sensing unit 8 is arranged, it, can be by showing when the low battery of electricity
Alert information of the unit 9 to 741 low battery of user feedback battery, reminds user to charge smart pen, carries out to smart pen
Protection extends the smart pen service life.
In optionally embodiment, the also recordable smart pen charging of control unit 5 is once between written 3 numbers of switching
Relationship, obtain smart pen and charge primary available switching times, reach one so as to switch in the nib 3 for detecting smart pen
Electric power detection is carried out to power supply unit 7 by electricity sensing unit 8 when determining number, without lasting detection, thus to greatest extent
Saving electricity.
In optionally embodiment, control unit 5 can also be used to stop the process of switching nib 3, for example, when control
When unit 5 detects the electricity of power supply unit 7 lower than default low battery by 741 sensing unit 4 of battery, sensing unit 4 is controlled
It stops working with actuating unit 6.In other embodiments, timing, key or other systems setting control sensing also can be used
Unit 4 and actuating unit 6 stop working, to carry out system protection to smart pen.
Further, it is preferable to ground, the smart pen further includes the unit 9 of warning being electrically connected with described control unit 5.This shows
Alert unit 9 can be that Microspeaker 91 or buzzer etc. can be to the elements of user reminding.Described control unit 5 can work as the battery
When the electricity of component 71 is lower than default electricity, voice is carried out to user by the Microspeaker 91 and is warned, or passes through bee
Ring device is vibrated warns to user's vibration.
Preferably, as shown in figure 5, in the present embodiment, the actuating unit 6 may include being electrically connected with described control unit 5
Motor 61 and gear 62.
The motor 61 controls the gear 62 according to the control signal and rotates, and the rotation of gear 62 drives multiple written 3
Movement, makes corresponding with the control signal written 3 to move at the pen tip 2, and nib 3 is exposed to outside smart pen from pen tip
Portion, so as to user's use.Wherein, the rotating manner of motor 61 may include rotating clockwise and rotating counterclockwise, pass through motor 61
Different rotary direction and rotation angle different nibs 3 can be made to produce to pen tip 2, to realize the switching of different pen tips 2.Control
Setting power driving circuit is preferably needed between unit 5 and motor 61 processed, for carrying out power amplification to electric signal, keeps microminiature electric
Machine 61 can normally start, and control unit 5 controls motor 61 and rotates so that specific nib 3 is gone at pen tip 2.
Preferably embodiment, smart pen described in the present embodiment further comprise position sensor 10, institute's rheme
It sets sensor 10 and is used to form the position detection signal comprising written 3 location informations, described control unit 5 is used to be based on institute's rheme
The position detection signal for setting sensor 10 determines written 3 position corresponding with the writing object, when written 3 position
When reaching at pen tip 2, controls the actuating unit 6 and stop.
Preferably, Hall sensor can be selected in the position sensor 10, and motor 61 can be detected by Hall sensor
Rotation position, control unit 5 judges whether nib 3 reaches pen tip 2 according to the rotation position of motor 61, when detecting motor 61
Rotation reaches predetermined position, can determine whether that specific written 3 have arrived at pen tip 2, then control unit 5 can control motor 61 to stop, from
And gear 62 stops operating, user can the nib 3 that produces of normal use.
In optionally embodiment, described control unit 5 every can obtain the primary detection by prefixed time interval
Signal, to save the electricity of power supply unit 7 under conditions of not influencing user and normally switching written 3 use.Wherein, preset time
Interval can flexibly be chosen according to practical situations, such as can be according to the distance and actuation time occurred in handoff procedure
Timing detection time condition is set in system, to realize seamless linking operation.Assuming that two different changing interface times are T,
The prefixed time interval for then needing to set detection in systems is less than T, and specific value needs to carry out experiment according to time operation and obtains
It takes.
According to another aspect of the present invention, an a kind of specific embodiment of smart pen control method is disclosed.Such as Fig. 6 institute
Show, in the present embodiment, this method includes：
S100：It detects the writing object of smart pen and forms detection signal；
S200：The object type for writing object is determined according to the detection signal, is formed and the object type pair
The control signal answered；
S300：Corresponding with the writing object written 3 are made to move at the pen tip 2 according to the control signal.
In being preferably carried out mode, the method, which further comprises, carries out electricity before carrying out detection and writing object
The step of detection.Specifically, after smart pen is opened, it can be by electric power detection module, whether the electricity for detecting power supply unit 7 meets
The power of switching nib 3 needs, if conditions are not met, can prompt to use by information of the unit 9 to user feedback not enough power supply of warning
Family powers to smart pen.In the present embodiment, when the electricity of power supply unit is greater than default low battery, light sensing component is obtained
Signal is detected, and then judges to write the object type of object, the rotation side forward or reverse of motor is determined according to object type
To, the rotation position of real-time detection motor, after motor is rotated in place, complete the switching of nib, can separated in time again
Detection signal is obtained, judges whether application has switched, when object has switched, written switching can be carried out again, to pass through
The written automatic switching function of active probe realization smart pen.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (10)
1. a kind of smart pen, which is characterized in that correspond to different type book including being formed with the penholder of pen tip, in penholder
Write multiple nibs, sensing unit, control unit and the actuating unit of object；
The sensing unit is used to detect the writing object of smart pen and forms detection signal；
Described control unit is used to determine the object type for writing object according to the detection signal, be formed and the object
The corresponding control signal of type is simultaneously transmitted to the actuating unit；
The actuating unit is used to make nib corresponding with the writing object move to the pen tip according to the control signal
Place.
2. smart pen according to claim 1, which is characterized in that the sensing unit includes light-emitting component and light sensing group
Part；
The light sensing component receives reflected light that the light-emitting component issues and through the writing object reflection and according to institute
It states reflected light and forms detection signal, the detection signal has based on the intensity signal for writing object.
3. smart pen according to claim 2, which is characterized in that be preset in described control unit and different object types
The corresponding multiple etalon optical power ranges of writing object；
The etalon optical power range that described control unit is used to be fallen into according to the intensity signal of the detection signal, which determines, writes object
Object type.
4. smart pen according to claim 1, which is characterized in that the smart pen further includes power supply unit, the power supply
Unit includes the battery component being electrically connected with each unit；
Said supply unit further comprises the wireless power component for battery component charging, and the wireless power component exists
Charging current is generated under the action of external wireless charging component as battery component charging；And/or
Said supply unit further comprises the charging interface being electrically connected on the penholder and with the battery component, described
When charging interface is electrically connected with external power supply, external power supply is battery component charging.
5. smart pen according to claim 4, which is characterized in that the smart pen further includes for detecting the battery pack
The electricity sensing unit of part electricity；
The electricity sensing unit includes being set to the current sense resistor of the current output terminal of the battery component and set on institute
State the Coulomb meter at current sense resistor both ends；
The output information and processing that described control unit is used to receive the Coulomb meter obtain the electricity of the battery component.
6. smart pen according to claim 1, which is characterized in that the multiple nib, which includes at least, is used for touching display screen
Stylus and lettering pen for writing paper.
7. smart pen according to claim 1, which is characterized in that the actuating unit includes being electrically connected with described control unit
The motor and gear connect；
The motor drives the gear to rotate according to control signal rotation, and gear rotation drives multiple nib movements, makes
Nib corresponding with the writing object moves at the pen tip.
8. smart pen according to claim 7, which is characterized in that the smart pen further comprises position sensor；
The position sensor is used to form the position detection signal comprising written location information, and described control unit is for being based on
The position of the determining nib corresponding with the writing object of the position detection signal, when the position of the nib reaches at pen tip
When, it controls the actuating unit and stops.
9. smart pen according to claim 8, which is characterized in that the position sensor is Hall sensor；
The turned position that the Hall sensor is used to detect the motor forms the position detection signal, described control unit
For determining the turned position of the motor based on the position detection signal, when the turned position of motor reaches predeterminated position
Place, it is determined that nib corresponding with the writing object reaches at pen tip, controls the actuating unit and stops.
10. a kind of control method of the smart pen as described in claim any one of 1-9, which is characterized in that including
It detects the writing object of smart pen and forms detection signal；
The object type for writing object is determined according to the detection signal, forms control letter corresponding with the object type
Number；
Nib corresponding with the writing object is moved at the pen tip according to the control signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810875617.6A CN108819566B (en) | 2018-08-03 | 2018-08-03 | Intelligent pen and intelligent pen control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810875617.6A CN108819566B (en) | 2018-08-03 | 2018-08-03 | Intelligent pen and intelligent pen control method |
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| CN112127204A (en) * | 2019-06-25 | 2020-12-25 | 京东方科技集团股份有限公司 | Paper, electronic pen, handwriting input device and handwriting input method |
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| Publication number | Publication date |
|---|---|
| CN108819566B (en) | 2020-02-04 |
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