CN205880845U - Writing system based on supersound lamb wave - Google Patents
Writing system based on supersound lamb wave Download PDFInfo
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- CN205880845U CN205880845U CN201620454997.2U CN201620454997U CN205880845U CN 205880845 U CN205880845 U CN 205880845U CN 201620454997 U CN201620454997 U CN 201620454997U CN 205880845 U CN205880845 U CN 205880845U
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- clipboard
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- pen
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Abstract
The utility model discloses a writing system based on supersound lamb wave, including clipboard and ultrasonic wave pen, at least, be provided with two ultrasonic wave receivers on the clipboard, ultrasonic wave pen includes ultrasonic transmitter and refill, and the ultrasonic wave that ultrasonic transmitter sent reachs the ultrasonic wave receiver in proper order after refill and the inside propagation of clipboard. The utility model discloses utilize the characteristic of supersound lamb wave, made ultrasonic wave via the inside ultrasonic wave receiver that reachs of clipboard, can eliminate the error that the ultrasonic wave pen slope brought when writing by furthest to make the accuracy when writing higher.
Description
Technical field
This utility model relates to ultrasonic sensing technical field, particularly relates to a kind of writing system based on ultrasonic Lamb waves.
Background technology
Along with the information age arrives, people are deep into it as mutual touch technology application convenient with e-platform
Daily life in, mode is self-service handles with electronization for a lot of routine matters and business, the most usually need people with
Former person's handwriting is hand-written to be digitally signed, and is therefore accomplished by providing a kind of digitized writing device.
In prior art, China Patent No. " 201210041949.7 " discloses a kind of ultrasound wave on the 11st JIUYUE in 2013
Hand-written input system, its technical scheme is described ultrasound wave hand-written input system, its at least include handwriting input working face, in
The ultrasound wave writing pencil moved on described working face, at least two phase receiving the ultrasound wave that described ultrasound wave writing pencil sends
The ultrasound wave at interval receives sensor mutually, and described ultrasound wave writing pencil includes that nib portion offers the housing of ultrasound wave outlet and sets
The ultrasonic emitting sensor to described working face is launched by the outlet of described ultrasound wave in being placed in housing and by ultrasound wave, described
The system that ultrasound wave reception sensor receives is for calculating effective ultrasound wave of ultrasound wave flight time for through described work
The ultrasound wave of plane reflection.This patent in actual application, mainly by from nib open to launch sound wave, reduce super
Sonic pen outlet and the distance of tip of stylus, thus reduce and when writing, tilt the error brought.But this scheme is opened due to nib
Mouth still has a certain distance from nib, and nib therefore can not be avoided completely to tilt the error brought.Further, this scheme is from pen
The ultrasound wave that point opening emits is to arrive receptor through working face reflection, and its ultrasonic receiver is mike, must
Must be placed on working face, make troubles to writing system Products integration.
It addition, China Patent No. " 201520590075.X " to disclose a kind of ultrasonic pen on April 6th, 2016 hand-written defeated
Entering device, its technical scheme is that described hand input device includes that substrate, Main Control Unit, ultrasonic pen and at least two are super
Acoustic receiver, described ultrasonic receiver is connected with Main Control Unit, described substrate is offered porose, and described is ultrasonic
Ripple receptor is fixedly installed on substrate；Time hand-written, the ultrasonic signal that ultrasonic pen sends is transmitted by substrate front side and hole
To ultrasonic receiver.But in this technology, the force value of sound wave pen needs the most individually to arrange that pressure sensitivity unit obtains, and increase finishes
The complexity of structure and cost of manufacture.
Utility model content
The purpose of this utility model is to solve the above-mentioned problems in the prior art, it is provided that a kind of based on ultrasonic blue nurse
The writing system of ripple, this utility model make use of the characteristic of ultrasonic Lamb waves, makes ultrasound wave ultrasonic via the internal arrival of clipboard
Ripple receptor, it is possible to the error brought when farthest eliminating ultrasonic pen slanted writing movement, so that essence when writing
Exactness is higher.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of writing system based on ultrasonic Lamb waves, it is characterised in that: include clipboard and ultrasonic pen, described in write
At least provided with two ultrasonic receivers on plate, described ultrasonic pen includes ultrasonic transmitter and pen core, ultrasonic emitting
The ultrasound wave that device sends arrives ultrasonic receiver successively after pen core and clipboard internal communication.
Being provided with signal receiving part on described pen core, described ultrasonic transmitter is fixed on the position relative with signal receiving part
Putting, ultrasonic transmitter directly or indirectly couples with signal receiving part.
Described pen core includes integrated cylindrical section and truncted cone section, and described signal receiving part is one-body molded at pen core
Truncted cone section on.
Described signal receiving part is cylindrical structure.
Being provided with multiple pillar on described signal receiving part, described ultrasonic transmitter is fixed on pillar.
Described pen core is platy structure or cylindrical structure, and during for platy structure, signal receiving part is pen core postmedian
One plane, described ultrasonic transmitter direct-coupling is in this plane；During for cylindrical structure, signal receiving part is on pen core
One plane of structure, described ultrasonic transmitter direct-coupling is in this plane.
Described pen core includes that nib, described nib are hemispherical dome structure, arcuate structure, conical structure or wedge structure.
Described ultrasonic pen also includes that a shell, described ultrasonic transmitter and pen core are each attached in a shell, and pen core with
It is provided with air ultrasound ripple passage between shell.
Being provided with the screen layer being made up of absorbing material on described clipboard, described screen layer is arranged on clipboard marginal zone
The front in territory, the back side and/or side.
Described ultrasonic receiver is arranged on the front of clipboard, the back side, side or inclined-plane.
Described pen core uses lucite material to make.
Employing the utility model has the advantage of:
One, in this utility model, when writing, the ultrasound wave that ultrasonic transmitter sends is successively inside pen core and clipboard
Arriving ultrasonic receiver after propagation, this set-up mode can make ultrasound wave be introduced into pen core, then enters clipboard shape through pen core
Becoming Lamb wave, finally by the internal communication of clipboard to ultrasonic receiver, in whole writing process, only pen core is the most also
And can only directly contact clipboard and could realize the propagation of ultrasound wave, ultrasound wave is propagated via solid dielectric, the loss of ultrasound wave
Error that is less, that brought when farthest eliminating slanted writing movement so that degree of accuracy when writing is higher.It addition, with existing
Having technology to compare, the ultrasound wave in this utility model is to propagate via solid dielectric, owing to the characteristic of solid dielectric itself is than sky
Gas is stable, and the sound wave anti-interference therefore propagated in solid dielectric is more higher than the sound wave anti-interference propagated in air, and then
Ensure that the stability write is more preferable.
Two, in this utility model, pen core being provided with signal receiving part, ultrasonic signal is transmitted by signal receiving part again
To nib, increase receiving area, improve energy transmission efficiency.
Three, in this utility model, the structure that cylindrical section, truncted cone section and signal receiving part three in one molding are made,
Not only improve simplify pen core manufacturing process and reduce pen core manufacturing cost, again be conducive to accelerate ultrasound wave spread speed and
Reduce ultrasound wave loss in communication process, and then improve response speed when writing.
Three, in this utility model, signal receiving part is set to cylindrical structure, and beneficially stablizing of ultrasonic signal connects
Receive.
Four, in this utility model, signal receiving part being provided with multiple pillar, ultrasonic transmitter is fixed on pillar,
This structure makes to have between ultrasonic transmitter and signal receiving part gap, and this gap can be used in propagating air sound wave, by it
It is applied in the prior art as disclosed in China Patent No. " 201520590075.X ", can be achieved with being formed light on clipboard
Mark guides point.
Five, in this utility model, pen core can be platy structure or cylindrical structure, and the structure of pen core has various ways permissible
Select, it is possible to be applicable to the ultrasonic pen of different size and type.Signal receiving part is a plane on pen core, and ultrasound wave is sent out
The fixing position relative with this plane of emitter, such set-up mode beneficially ultrasound wave have effect spread.
Six, in this utility model, the nib of pen core can be hemispherical dome structure, arcuate structure, conical structure or wedge shape
Structure, the structure of nib is varied, meets the demand of different user.
Seven, in this utility model, ultrasonic pen also includes a shell, is provided with air ultrasound ripple and leads between pen core and a shell
Road, this structure can be propagated air sound wave, can realize forming cursor on clipboard and guide point.
Eight, in this utility model, arrange by absorbing material system in the front of clipboard marginal area, the back side and/or side
The screen layer become, can reduce the reflection of Lamb wave by screen layer.
Nine, in this utility model, ultrasonic receiver can be arranged on the front of clipboard, the back side, side or inclined-plane, super
The set-up mode of acoustic receiver is varied, meets the needs of products of different specifications, and such as, ultrasound wave is arranged on writes backboard
During face, be conducive to strengthening the aesthetic property of clipboard and reducing the thickness of whole clipboard, and the frame of clipboard can be made narrower.
Ten, in this utility model, pen core uses lucite material to make, and this material is prone to processing, meanwhile, in this reality
With under the Ultrasonic Conditions below novel 5 used mhz frequencys, its attenuation quotient matters, and acoustical coupling characteristic is good.
Accompanying drawing explanation
Fig. 1 is the structural representation that in this utility model, ultrasonic receiver is arranged on the clipboard back side；
Fig. 2 is the main TV structure schematic diagram of ultrasonic pen in this utility model；
Fig. 3 is the A A sectional view of Fig. 2；
Fig. 4 is the structural representation that in this utility model, ultrasonic receiver is arranged on clipboard side；
Fig. 5 is the structural representation that in this utility model, ultrasonic receiver is arranged on clipboard front；
Fig. 6 is the structural representation that in this utility model, ultrasonic receiver is arranged on clipboard inclined-plane；
Being labeled as in figure: 1, clipboard, 2, ultrasonic pen, 3, ultrasonic receiver, 4, ultrasonic transmitter, 5, MCU
Main control unit, 6, pen core, 7, screen layer, 8, signal receiving part, 9, pillar, 10, air ultrasound ripple passage.
Detailed description of the invention
Embodiment 1
A kind of writing system based on ultrasonic Lamb waves, including clipboard 1 and ultrasonic pen 2, on described clipboard 1 at least
Being provided with two ultrasonic receivers 3, described ultrasonic pen 2 includes ultrasonic transmitter 4 and pen core 6, and described pen core 6 is arranged
Having signal receiving part 8, described ultrasonic transmitter 4 to be fixed on the position relative with signal receiving part 8, ultrasonic transmitter 4 is straight
Connecing or indirectly couple with signal receiving part 8, when writing, pen core 6 directly contacts with clipboard 1, and it is super that ultrasonic transmitter 4 sends
Sound wave arrives ultrasonic receiver 3 successively after signal receiving part 8, pen core 6 and clipboard 1 internal communication.
In the present embodiment, the end of described pen core 6 is signal receiving part 8, and ultrasonic transmitter 4 correspondence is fixed on pen core
The end of 6, both can directly contact between ultrasonic transmitter 4 and the end of pen core 6, it is also possible to be not directly contacted with, ultrasound wave
The transmitting direction of emitter 4 is perpendicular with the end face of pen core 6 end.Wherein, pen core 6 can be cylindrical structure or frustum of a cone knot
Structure etc..
In the present embodiment, described ultrasonic transmitter 4 and ultrasonic receiver 3 are all ultrasonic transducers, can be pressures
The piezoelectric devices such as electroceramics transducer, quartz wafer transducer, wherein, ultrasonic receiver 3 is set to flat structure, fixing
The back side at clipboard 1.
In the present embodiment, described clipboard 1 substantially rectangle, use transparent material such as glass, in order to be arranged on display
Handwriting input is realized on device.
Embodiment 2
A kind of writing system based on ultrasonic Lamb waves, including clipboard 1 and ultrasonic pen 2, on described clipboard 1 at least
Being provided with two ultrasonic receivers 3, described ultrasonic pen 2 includes ultrasonic transmitter 4 and pen core 6, and described pen core 6 is arranged
Having signal receiving part 8, described ultrasonic transmitter 4 to be fixed on the position relative with signal receiving part 8, ultrasonic transmitter 4 is straight
Connecing or indirectly couple with signal receiving part 8, when writing, pen core 6 directly contacts with clipboard 1, and it is super that ultrasonic transmitter 4 sends
Sound wave arrives ultrasonic receiver 3 successively after signal receiving part 8, pen core 6 and clipboard 1 internal communication.
In the present embodiment, described pen core 6 includes integrated cylindrical section and truncted cone section, described signal receiving part 8
For cylindrical structure, signal receiving part 8 is one-body molded on the truncted cone section of pen core 6, ultrasonic transmitter 4 and pen core 6
Both can directly contact between end, it is also possible to be not directly contacted with, the transmitting direction of ultrasonic transmitter 4 and signal receiving part 8
End face perpendicular.Wherein, signal receiving part 8 is positioned at the big end of truncted cone section, and cylindrical section is positioned at the small end of truncted cone section,
The external diameter that the external diameter of signal receiver section is held greatly more than butt circle section.
Embodiment 3
A kind of writing system based on ultrasonic Lamb waves, including clipboard 1 and ultrasonic pen 2, on described clipboard 1 at least
Being provided with two ultrasonic receivers 3, described ultrasonic pen 2 includes ultrasonic transmitter 4 and pen core 6, and described pen core 6 is arranged
Having signal receiving part 8, described ultrasonic transmitter 4 to be fixed on the position relative with signal receiving part 8, ultrasonic transmitter 4 is straight
Connecing or indirectly couple with signal receiving part 8, when writing, pen core 6 directly contacts with clipboard 1, and it is super that ultrasonic transmitter 4 sends
Sound wave arrives ultrasonic receiver 3 successively after signal receiving part 8, pen core 6 and clipboard 1 internal communication.
In the present embodiment, described pen core 6 includes integrated cylindrical section and truncted cone section, described signal receiving part 8
For cylindrical structure, signal receiving part 8 is one-body molded on the truncted cone section of pen core 6.Wherein, signal receiving part 8 is positioned at and cuts
The big end of head conical section, cylindrical section is positioned at the small end of truncted cone section, and the external diameter of signal receiver section is held greatly more than butt circle section
External diameter.
Further, on described signal receiving part 8, integral type is provided with multiple pillar 9 protruding from its end face, described super
Pinger 4 is fixed on signal receiving part 8 by pillar 9.This structure makes ultrasonic transmitter 4 and signal receiving part 8
Between have gap, this gap can be used in propagate air sound wave.Further, described ultrasonic pen 2 also includes a shell, described
Ultrasonic transmitter 4 and pen core 6 are each attached in a shell, are provided with air ultrasound ripple passage 10 between described pen core 6 and a shell,
This air ultrasound ripple passage 10 communicates with the gap between ultrasonic transmitter 4 with signal receiving part 8.So, ultrasonic emitting
Device 4 launch ultrasound wave be just segmented into two parts propagate, a part of ultrasound wave through solid dielectric (include signal receiving part 8,
Pen core 6 and clipboard 1) propagate, it is used for determining and writes rail；Another ultrasound wave is through air (gap and air ultrasound ripple passage 10)
Propagate, now only need to perforate on clipboard 1, just can make the ultrasound wave arrival ultrasonic receiver 3 of air-borne transmission, through air
The ultrasound wave propagated is not when writing, it is possible to forms cursor on clipboard 1 and guides point, guides people to write.
Embodiment 4
A kind of writing system based on ultrasonic Lamb waves, including clipboard 1 and ultrasonic pen 2, on described clipboard 1 at least
Being provided with two ultrasonic receivers 3, described ultrasonic pen 2 includes ultrasonic transmitter 4 and pen core 6, and described pen core 6 is arranged
Having signal receiving part 8, described ultrasonic transmitter 4 to be fixed on the position relative with signal receiving part 8, ultrasonic transmitter 4 is straight
Connecing or indirectly couple with signal receiving part 8, when writing, pen core 6 directly contacts with clipboard 1, and it is super that ultrasonic transmitter 4 sends
Sound wave arrives ultrasonic receiver 3 successively after signal receiving part 8, pen core 6 and clipboard 1 internal communication.
In the present embodiment, described pen core 6 is platy structure or cylindrical structure, and a kind of known feasible platy structure is,
Pen core 6 is about isosceles triangular structure, and the point of pen core 6 is as nib, and signal receiving part 8 is of pen core 6 postmedian
Plane, described ultrasonic transmitter 4 direct-coupling is in this plane；During for cylindrical structure, signal receiving part 8 is on pen core 6
One plane of structure；Described ultrasonic transmitter 4 direct-coupling is in this plane, and wherein, the plane received for signal is permissible
Being arranged on the middle part of pen core 6, rear portion or postmedian, this plane can be perpendicular with the axial line of pen core 6/parallel, it is also possible to inclines
Tiltedly it is arranged on pen core 6.
Embodiment 5
A kind of writing system based on ultrasonic Lamb waves, including clipboard 1 and ultrasonic pen 2, on described clipboard 1 at least
Being provided with two ultrasonic receivers 3, described ultrasonic pen 2 includes ultrasonic transmitter 4 and pen core 6, and described pen core 6 is arranged
Having signal receiving part 8, described ultrasonic transmitter 4 to be fixed on the position relative with signal receiving part 8, ultrasonic transmitter 4 is straight
Connecing or indirectly couple with signal receiving part 8, when writing, pen core 6 directly contacts with clipboard 1, and it is super that ultrasonic transmitter 4 sends
Sound wave arrives ultrasonic receiver 3 successively after signal receiving part 8, pen core 6 and clipboard 1 internal communication.
In the present embodiment, described clipboard 1 being provided with the screen layer 7 being made up of absorbing material, described screen layer 7 is arranged
In the front of clipboard 1 marginal area, the back side and/or side, described screen layer 7 can use the mode of coating or parcel to be arranged on
On clipboard 1, can effectively be absorbed the Lamb wave arriving each marginal area of clipboard 1 by screen layer 7, reduce Lamb wave
Reflection, it is to avoid this blue original waveform of nurse reflected wave effects.
Embodiment 6
A kind of writing system based on ultrasonic Lamb waves, including clipboard 1 and ultrasonic pen 2, on described clipboard 1 at least
Being provided with two ultrasonic receivers 3, described ultrasonic pen 2 includes ultrasonic transmitter 4 and pen core 6, and described pen core 6 is arranged
Having signal receiving part 8, described ultrasonic transmitter 4 to be fixed on the position relative with signal receiving part 8, ultrasonic transmitter 4 is straight
Connecing or indirectly couple with signal receiving part 8, when writing, pen core 6 directly contacts with clipboard 1, and it is super that ultrasonic transmitter 4 sends
Sound wave arrives ultrasonic receiver 3 successively after signal receiving part 8, pen core 6 and clipboard 1 internal communication.
In the present embodiment, described pen core 6 includes that nib, described nib are hemispherical dome structure, arcuate structure, conical structure
Or wedge structure etc..
Embodiment 7
A kind of writing system based on ultrasonic Lamb waves, including clipboard 1 and ultrasonic pen 2, on described clipboard 1 at least
Being provided with two ultrasonic receivers 3, described ultrasonic pen 2 includes ultrasonic transmitter 4 and pen core 6, and described pen core 6 is arranged
Having signal receiving part 8, described ultrasonic transmitter 4 to be fixed on the position relative with signal receiving part 8, ultrasonic transmitter 4 is straight
Connecing or indirectly couple with signal receiving part 8, when writing, pen core 6 directly contacts with clipboard 1, and it is super that ultrasonic transmitter 4 sends
Sound wave arrives ultrasonic receiver 3 successively after signal receiving part 8, pen core 6 and clipboard 1 internal communication.Wherein, described ultrasonic
Ripple receptor 3 is arranged on the front of clipboard 1, the back side, side or inclined-plane.
Embodiment 8
A kind of writing system based on ultrasonic Lamb waves, including clipboard 1 and ultrasonic pen 2, on described clipboard 1 at least
Being provided with two ultrasonic receivers 3, described ultrasonic pen 2 includes that ultrasonic transmitter 4 and pen core 6, described pen core 6 are preferably adopted
Making by lucite material, described pen core 6 is provided with signal receiving part 8, described ultrasonic transmitter 4 is fixed on and signal
The position that acceptance division 8 is relative, ultrasonic transmitter 4 directly or indirectly couples with signal receiving part 8, when writing, pen core 6 with write
Plate 1 directly contacts, and the ultrasound wave that ultrasonic transmitter 4 sends is successively through signal receiving part 8, pen core 6 and clipboard 1 internal communication
Rear arrival ultrasonic receiver 3.
Embodiment 9
On the basis of any embodiment of above-mentioned 18, described writing system also includes MCU Main Processing Unit 5 and benchmark letter
Number transmitter unit, wherein,
MCU Main Processing Unit 5 is connected with ultrasonic receiver 3 by circuit, and MCU Main Processing Unit 5 can get ultrasound wave
The signal of telecommunication that Lamb wave is converted into by receptor 3, according to this signal of telecommunication, MCU Main Processing Unit 5 can calculate ultrasound wave from nib
To the distance of at least two ultrasonic receiver 3, so that it is determined that handwriting trace；Meanwhile, MCU Main Processing Unit 5 can also will obtain
The signal of telecommunication be reduced into corresponding Lamb wave waveform, and can change according to the amplitude of this waveform and determine writing physical strength.
Reference signal transmitter unit is known technology of the prior art, if particularly as follows: ultrasonic pen 2 is designed as wireless
Time, reference signal transmitter unit is infrared emission unit；If ultrasonic pen 2 is designed as wired, reference signal transmitter unit is
The signal of telecommunication, MCU Main Processing Unit 5 obtains the fiducial time of ultrasonic emitting according to reference signal, thus obtains ultrasound wave from ultrasonic
Wave launcher 4 travels to the time of ultrasonic receiver 3, so obtain ultrasound wave respectively from nib at least two receptor
Distance.
It addition, in actual writing process, the ultrasound wave that ultrasonic transmitter 4 is sent arrives ultrasonic receiver 3
Time, need through two kinds of propagation paths, one is ultrasound wave route of transmission in pen core 6, and it two is within clipboard 1
Propagation path, ultrasound wave speed inside both media is different, therefore, with two ultrasonic receivers 3 is below
Example, illustrate ultrasound wave from pen tip position arrive ultrasonic receiver 3 propagation distance:
Set a length of L of pen core 60, ultrasound wave speed in pen core 6 is S0, the nib of pen core 6 to the 1st receptor away from
From for L1, the distance of the nib of pen core 6 to the 2nd ultrasonic receiver is L2, ultrasound wave speed in clipboard 1 is S1, two surpass
Distance between acoustic receiver is L3, in pen core 6, the propagation time of ultrasound wave is T0, ultrasound wave arrives the 1st ultrasonic reception from nib
The propagation time of device is T1, the propagation time that ultrasound wave arrives the 2nd ultrasonic receiver 3 from nib is T2, MCU Main Processing Unit 5
According to reference signal at the 1st ultrasonic receiver obtained by time be T '1, MCU Main Processing Unit 52 surpasses according to reference signal
Time obtained by acoustic receiver is T2', wherein L0、L3、T′1、T2′、S1、S0For known quantity, wherein:
T1'=T0+T1
T2'=T0+T2
L0=T0*S0
T can be drawn by above-mentioned three formulas1、T2Value, thus:
L1=T1*S1
L2=T2*S1
Draw about x, y-coordinate equation group according to triangle polyester fibre principle:
L1 2=x2+y2
L2 2=(L3-x)2+y2
The unique coordinate values of x is drawn by two formulas above:
X=(L1 2-L2 2+L3 2)/(2*L3)
And thus draw the coordinate figure of y, take its on the occasion of.
The principle of specifically writing of the present embodiment is: ultrasound wave launched by ultrasonic transmitter 4, and ultrasound wave is through signal receiving part 8
Entering pen core 6, ultrasound wave is propagated in pen core 6, and when nib is write on clipboard 1, nib directly contacts with clipboard 1,
It is internal and form Lamb wave that ultrasound wave propagates to clipboard 1 through nib, Lamb wave at the inside of clipboard 1 and the back side, front to respectively
Individual direction is propagated, and at least two ultrasonic receiver 3 is fixed on clipboard 1 and receives Lamb wave, and is converted to by Lamb wave
The signal of telecommunication, MCU Main Processing Unit 5 according to the signal of telecommunication determine ultrasound wave respectively from nib at least two ultrasonic receiver 3 away from
From, so that it is determined that handwriting trace.Wherein, the signal intensity of the Lamb wave that clipboard 1 is propagated in the range of certain writing physical strength,
Changing with writing physical strength, its waveform also changes in corresponding linear, and the change of this linear waveform can be as ultrasonic pen 2 pressure sensitive
Foundation, i.e. the pressure sensitive of ultrasonic pen 2 can be obtained by the linear change of waveform.
Claims (11)
1. a writing system based on ultrasonic Lamb waves, it is characterised in that: include clipboard (1) and ultrasonic pen (2), described
At least provided with two ultrasonic receivers (3) on clipboard (1), described ultrasonic pen (2) include ultrasonic transmitter (4) and
Pen core (6), the ultrasound wave that ultrasonic transmitter (4) sends arrives ultrasonic successively after pen core (6) and clipboard (1) internal communication
Ripple receptor (3).
A kind of writing system based on ultrasonic Lamb waves, it is characterised in that: on described pen core (6)
Being provided with signal receiving part (8), described ultrasonic transmitter (4) is fixed on the position relative with signal receiving part (8), ultrasound wave
The direct or indirect same signal receiving part of emitter (4) (8) couples.
A kind of writing system based on ultrasonic Lamb waves, it is characterised in that: described pen core (6) wraps
Include integrated cylindrical section and truncted cone section, the one-body molded truncted cone section in pen core (6) of described signal receiving part (8)
On.
A kind of writing system based on ultrasonic Lamb waves, it is characterised in that: described signal connects
Receipts portion (8) is cylindrical structure.
A kind of writing system based on ultrasonic Lamb waves, it is characterised in that: described signal receiving part
(8) being provided with multiple pillar (9) on, described ultrasonic transmitter (4) is fixed on pillar (9).
A kind of writing system based on ultrasonic Lamb waves, it is characterised in that: described pen core (6) is
Platy structure or cylindrical structure, during for platy structure, signal receiving part (8) is a plane of pen core (6) postmedian, described
Ultrasonic transmitter (4) direct-coupling is in this plane；During for cylindrical structure, signal receiving part (8) is at the upper structure of pen core (6)
A plane, described ultrasonic transmitter (4) direct-coupling is in this plane.
7. a kind of based on ultrasonic Lamb waves the writing system as according to any one of claim 1,2,3 or 6, its feature exists
In: described pen core (6) includes that nib, described nib are hemispherical dome structure, arcuate structure, conical structure or wedge structure.
8. a kind of based on ultrasonic Lamb waves the writing system as according to any one of claim 1,2,3 or 6, its feature exists
In: described ultrasonic pen (2) also includes that a shell, described ultrasonic transmitter (4) and pen core (6) are each attached in a shell, and pen
Air ultrasound ripple passage (10) it is provided with between core (6) and a shell.
A kind of writing system based on ultrasonic Lamb waves, it is characterised in that: described clipboard (1)
On be provided with the screen layer (7) being made up of absorbing material, described screen layer (7) be arranged on clipboard (1) marginal area front,
The back side and/or side.
A kind of writing system based on ultrasonic Lamb waves, it is characterised in that: described ultrasound wave connects
Receive device (3) and be arranged on the front of clipboard (1), the back side, side or inclined-plane.
11. a kind of writing systems based on ultrasonic Lamb waves, it is characterised in that: described pen core (6) is adopted
Make by lucite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454997.2U CN205880845U (en) | 2016-05-18 | 2016-05-18 | Writing system based on supersound lamb wave |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620454997.2U CN205880845U (en) | 2016-05-18 | 2016-05-18 | Writing system based on supersound lamb wave |
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| Publication Number | Publication Date |
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| CN205880845U true CN205880845U (en) | 2017-01-11 |
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ID=57687166
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867704A (en) * | 2016-05-18 | 2016-08-17 | 成都吉锐时代触摸技术有限公司 | Writing system based on ultrasonic Lamb waves |
-
2016
- 2016-05-18 CN CN201620454997.2U patent/CN205880845U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867704A (en) * | 2016-05-18 | 2016-08-17 | 成都吉锐时代触摸技术有限公司 | Writing system based on ultrasonic Lamb waves |
| WO2017197962A1 (en) * | 2016-05-18 | 2017-11-23 | 成都吉锐时代触摸技术有限公司 | Writing system and writing method based on ultrasonic pen |
| CN105867704B (en) * | 2016-05-18 | 2018-12-18 | 成都吉锐时代触摸技术有限公司 | Writing system based on ultrasonic Lamb waves |
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