CN104142737A - Digital pen and airbrush simulation method - Google Patents
Digital pen and airbrush simulation method Download PDFInfo
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- CN104142737A CN104142737A CN201310184888.4A CN201310184888A CN104142737A CN 104142737 A CN104142737 A CN 104142737A CN 201310184888 A CN201310184888 A CN 201310184888A CN 104142737 A CN104142737 A CN 104142737A
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- digital pen
- airbrush
- pen
- pressure
- emulation mode
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Abstract
The invention relates to a digital pen and an airbrush simulation method, and can be applied to simulate a pencil stump, a crayon, a chalk, an airbrush and the like on a pc (personal computer).
Description
Technical field:
The present invention relates to a kind of digital pen and airbrush emulation mode, can be on pc emulation pencil stub, wax crayon, chalk, spray gun etc.
Background technology:
Existing Pen tablets system can emulation pencil, pen, writing brush, but need to improve for the emulation of pencil stub, wax crayon, chalk, spray gun etc.By research find drawing be a kind of orientation, just, the technology controlled of inclined degree, pen is in metastable situation, degree of freedom is higher, and more expressive force is stronger, more control is stronger for drawing grounding in basic skills, more durability requirements is lower for control.
Draw a picture on the other hand and use sometimes spray gun, and existing spray gun analogue system as the patent No. be the simulating scheme that 991069773 " coordinate input recording pen and figure coordinate input systems " have proposed spray gun, it will contact nib could use with Digitizing plate while using, too wide in the gap with the using method of true spray gun, do not meet use habit; And handwriting is heavy, design is produced complicated.
Digital pen of the present invention has solved the problems referred to above.And further improved the degree of freedom of existing digital pen.
Summary of the invention:
The object of the invention is to realize a kind of digital pen, is the solution of the drawing instruments such as a kind of new emulation pencil stub, wax crayon, chalk, spray gun;
Increase degree of freedom etc.
Realize in order to achieve the above object the present invention and propose following scheme,
The invention of technical scheme 1 is a kind of digital pen, it is characterized in that: described digital pen is shorter than 100mm.Make digital pen not be subject to the restriction of tiger's jaw, increased degree of freedom.
The invention of technical scheme 2 is according to the digital pen described in technical scheme 1, it is characterized in that: the upper end pressure sensor of described digital pen; Described in during use, in the extension of upper end pressure transducer and palmar aspect or finger, side contacts produces pressure.Pressure transducer is configured in to the top of pen, makes digital pen can under unsettled state, produce pressure sensitivity input, compare the side that pressure transducer is configured in to pen and more meet ergonomics.
The invention of technical scheme 3 is according to the digital pen described in technical scheme 2, it is characterized in that: it is more and more thinner that the upper end of described digital pen starts downward extreme direction.While preventing upper end operation, slide.
The invention of technical scheme 3 is according to the digital pen described in technical scheme 2, it is characterized in that: the upper end extension of described digital pen is spherical crown shape.Reduce the pressure of opponent's surface of contact.
The invention of technical scheme 5 is a kind of airbrush emulation mode, uses according to the digital pen described in technical scheme 2, comprises step: detect the pressure that digital pen upper end pressure transducer is subject to; According to the spray volume of described calculation of pressure ink.
The invention of technical scheme 6 is a kind of airbrush emulation mode, uses according to the digital pen described in technical scheme 2, comprises step: detect digital pen height.
The invention of technical scheme 7 is according to the airbrush emulation mode described in technical scheme 6, comprises step: according to described digital pen high computational spraying range size.
The invention of technical scheme 8 is according to the airbrush emulation mode described in technical scheme 6, comprises step: detect digital pen angle of inclination.
The invention of technical scheme 9 is according to the airbrush emulation mode described in technical scheme 8, comprises step: according to described digital pen angle of inclination, calculate spraying range, shape.
The invention of technical scheme 10 is according to the airbrush emulation mode described in technical scheme 6, technical scheme 7, technical scheme 8, technical scheme 9, it is characterized in that comprising step: a plurality of person's handwriting stacks of cutting apart virtual nozzle.
See through technical scheme above, can see that the present invention can realize object of the present invention.Particularly in all-in-one Digitizing plate, with real pencil stub, wax crayon, that airbrush is compared simulated effect is true to nature; Meet ergonomics.
Accompanying drawing explanation:
Fig. 1 the present invention is placed on the position in hand while using
Fig. 2 embodiments of the invention construction profile figure
Fig. 3 embodiments of the invention upper end structural drawing
Fig. 4 embodiments of the invention lower end structure figure
The schematic diagram of Fig. 5 upper end configuration of the present invention power-inductance sensor circuit
The schematic diagram of Fig. 6 upper end configuration of the present invention power-electric resistance sensor circuit
Spraying range schematic diagram under Fig. 7 differing heights, degree of tilt
Fig. 8 software control flow chart of the present invention
Fig. 9 virtual nozzle arrangement schematic diagram of the present invention
Number in the figure list
1: digital pen
11: digital pen upper end pressure transducer
111: the extension of upper end pressure transducer
12: digital pen lower end pressure transducer
13: digital penholder is the most carefully located
2: hand
21: tiger's jaw
22: finger
23: palmar aspect
3: default nozzle
31: virtual nozzle
C1, C3: electric capacity
C2: power-capacitive transducer
L1: telefault
L2: power-inductance sensor
R1: loss equivalent resistance
R2: power-electric resistance sensor
S1: switch
D1, d2, d3: spray regime
A: jet angle outline line
Embodiment:
Use embodiments of the invention illustrative system principle, implementation method below.
That the present invention is placed on the position view in hand while using as shown in Figure 1, the two ends pressure sensor of digital pen, a lower end at pen, a upper end at pen, during use, the upper end sensor of pen does not contact hand, nib approaches Digitizing plate, during numerical digit screen, formed pencil stub, wax crayon, the simulation status of chalk (certainly this state the forms of other existing pens such as also can emulation pen) is because penholder design is shorter, penholder length is less than 100mm, so the use state of use state and actual pen is basic identical, lower end configuration can be identified the sensor of lateral pressure, nib touches Digitizing plate, during numerical digit screen, can draw lines, when pen is away from Digitizing plate, during numerical digit screen certain distance, enter unsettled simulation status, when finger above pinches digital pen and moves to centre of the palm direction, the pressure transducer of upper end is subject to the extruding of facies palmaris or finger inner side, according to current position, highly, tilt, pressure produces person's handwriting, show screen display graph of a correspondence, unsettled simulation status can emulation airbrush, rubber etc., during emulation rubber, compare faster with existing reversion use, even if it is also more flexible than existing system that reversion is used, airbrush emulation compared with existing system performance boost be apparent mainly contain small and exquisite, efficient and convenient, flexibly, vividly, strong sense of reality etc.
Fig. 2 is embodiments of the invention construction profile figure, and penholder is designed to the thick middle thin structure in two, especially, more and more thinner downwards from the upper end of pen, can in the situation that not increasing finger holding power, increase axle pressure, good hand touch during use like this; The extension of upper end pressure transducer is configured to spherical crown shape, reduces the pressure of opponent's surface of contact, good hand touch during use; Embodiments of the invention upper end structural drawing as shown in Figure 3, the external part of upper end pressure transducer, is demountable structure, the extension that user can option and installment different length, to adapt to the finger of different length, regulates feel; Embodiments of the invention lower end structure figure is the pressure transducer that can detect lateral pressure as shown in Figure 4, and lower end is stretched out item and is configured to detachably, wherein a kind ofly stretches out more as shown in the figure, and increase can work angle.
If Fig. 5 is upper end configuration pressure-inductance sensor circuit theory diagrams of the present invention, L1 and C1 form resonant circuit, L2 is that pressure-inductance sensor is configured in a upper end, C2 is that pressure-capacitive transducer is configured in end in the works, S1 is that switch is connected with the side that C3 is configured in pen, L1 receives the electromagnetic induction signal from position detecting circuit, and produces echo, and testing circuit is according to locus, attitude, the resonance frequency of the size judgement pen of echo in different antennae.
If Fig. 6 is upper end configuration power-electric resistance sensor circuit theory diagrams of the present invention, L1 and C1 form resonant circuit, R2 is that pressure-electric resistance sensor is configured in a upper end, C2 is that pressure-capacitive transducer is configured in end in the works, S1 is that switch is connected with the side that C3 is configured in pen, L1 receives the electromagnetic induction signal from position detecting circuit, and produces echo, and testing circuit is according to the Q value of the locus of the size judgement pen of echo in different antennae, attitude, resonance frequency, resonant circuit.
Fig. 7 is differing heights, spraying range schematic diagram under degree of tilt, as shown in Figure 7 be that nozzle is the differing heights of circular situation, the spraying range schematic diagram of degree of tilt, d1 is that pen spraying range under vertical state is circle, and the higher spraying range of height of pen is larger, spray concentration is lower, d2 is the spraying range of pen under heeling condition, form approximate ellipsoidal, and the higher spraying range of height of pen is larger, spray concentration is lower, the degree of tilt that forms the pen of d3 spraying range equals the degree of tilt that d2 situation is started writing, the height that forms the pen of d3 spraying range is greater than the height that d2 situation is started writing, whole spraying range computing method can be described as, by airbrush regard electric torch as, round nozzle is that printing opacity perforate, pointolite are luminous in pen, brightness, the spraying range of pressure transducer reference mark light source are the parts that light source is irradiated to, the distribution of spray concentration is to the distribution by intensity of illumination, and what claim the method is electric torch method.The concentration of spraying can be configured to be subject to the pressure regulating and controlling of upper end pressure transducer, can be that linear scaling can be also other corresponding relations.And the input parameter of above-mentioned electric torch method can selectively combine, such as using one of them parameter of height, inclination, pressure, other parameters are default, or use combination of two wherein, or three are all used.Sprinkling can be even sprinkling, can be also the upper spray point of obeying appeal electric torch method CONCENTRATION DISTRIBUTION of macroscopic view.
The computing method step of spraying range is the first shape of given nozzle, size as shown in Figure 8, specifies spray angle outline line (A), next detects height, the angle of inclination of airbrush, according to the height difference of airbrush, determines whether it is unsettled simulation status; It when the height of pen is less than setting threshold, is contact simulation status, it when the height of pen is greater than setting threshold, is unsettled simulation status, under contact simulation status, be that the pressure of following end sensor calculates person's handwriting, the pitch angle of the planimetric position of pen, pen is input variable, at unsettled simulation status, the pitch angle of the locus of the pressure of upper end pressure transducer, pen, pen is that input variable is calculated person's handwriting, when pressure transducer does not detect not operation while pressing.It is prior art that person's handwriting under contact condition calculates, the following describes the computing method of person's handwriting under vacant state, because the shape of nozzle does not only have circle, first as Fig. 9 is divided into the virtual nozzle of little circle by nozzle form, according to default spray angle, the small circular spraying altitude calculating, pitch angle, use electric torch method to calculate spraying range, spray concentration, according to the pressure correction spray concentration of the pressure transducer of upper end, the person's handwriting that all small circular are calculated superposes and obtains the current spraying range of airbrush in effective range.
Replaceable configuration embodiment of the present invention has, and in pen, power supply, oscillatory circuit is set and initiatively launches electromagnetic induction signal; Upper end power sensor and lower end power sensor are configured to the combination in any of existing power sensor; Use other modes to switch contact emulation, unsettled simulation status, such as button on pen; If the computing velocity of computing unit allows, the pointolite in the method for use electric torch method calculating spraying range can be replaced to the light source (such as circle) of designated shape; The nozzle that virtual nozzle can be configured to other arbitrary shapes is such as square, regular hexagon etc.; Penholder exterior arrangement silica gel leather sheath increases feel, increases friction force; Jet angle is controlled by end pressure, and the larger jet angle of pressure is larger; Use other and induction the Pen tablets system that can detect height, inclination, pressure and other parameters that position transducer principle is not identical.
Note: the embodiment that instructions is recorded is preferred embodiment, and object, means and effect that it can illustrate invention on the whole, be not that invention example is exhaustive.
Claims (10)
1. a digital pen, is characterized in that:
Described digital pen is shorter than 100mm.
2. digital pen according to claim 1, is characterized in that:
The upper end pressure sensor of described digital pen;
Described in during use, in the extension of upper end pressure transducer and palmar aspect or finger, side contacts produces pressure.
3. digital pen according to claim 2, is characterized in that:
It is more and more thinner that the upper end of described digital pen starts downward extreme direction.
4. digital pen according to claim 2, is characterized in that:
The upper end extension of described digital pen is spherical crown shape.
5. an airbrush emulation mode, is used digital pen according to claim 2, comprises step:
Detect the pressure that digital pen upper end pressure transducer is subject to;
According to the spray volume of described calculation of pressure ink.
6. an airbrush emulation mode, is used digital pen according to claim 2, comprises step:
Detect digital pen height.
7. airbrush emulation mode according to claim 6, comprises step:
According to described digital pen high computational spraying range size.
8. airbrush emulation mode according to claim 6, comprises step:
Detect digital pen angle of inclination.
9. airbrush emulation mode according to claim 8, comprises step:
According to described digital pen angle of inclination, calculate spraying range, shape.
10. according to claim 6, claim 7, claim 8, airbrush emulation mode claimed in claim 9, it is characterized in that comprising step:
A plurality of person's handwriting stacks of cutting apart virtual nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184888.4A CN104142737B (en) | 2013-05-07 | 2013-05-07 | Digital pen and spray pen simulation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184888.4A CN104142737B (en) | 2013-05-07 | 2013-05-07 | Digital pen and spray pen simulation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104142737A true CN104142737A (en) | 2014-11-12 |
| CN104142737B CN104142737B (en) | 2020-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310184888.4A Active CN104142737B (en) | 2013-05-07 | 2013-05-07 | Digital pen and spray pen simulation method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421736A (en) * | 2018-04-24 | 2018-08-21 | 福州大学 | A kind of Multifunctional cleaner based on metal-rubber |
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| US20060028456A1 (en) * | 2002-10-10 | 2006-02-09 | Byung-Geun Kang | Pen-shaped optical mouse |
| CN101393491A (en) * | 2007-09-18 | 2009-03-25 | 株式会社和冠 | Position indicator, variable capacitor, position input device and computer system |
| CN101415567A (en) * | 2006-04-04 | 2009-04-22 | 皇家飞利浦电子股份有限公司 | Expressive pen |
| CN201576251U (en) * | 2009-06-02 | 2010-09-08 | 宇龙计算机通信科技(深圳)有限公司 | Novel stylus pen |
| CN202548800U (en) * | 2012-04-11 | 2012-11-21 | 罗青 | Electronic signature device |
| CN103019466A (en) * | 2012-11-16 | 2013-04-03 | 厦门大学 | Projection interactive system based on infrared detection |
-
2013
- 2013-05-07 CN CN201310184888.4A patent/CN104142737B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060028456A1 (en) * | 2002-10-10 | 2006-02-09 | Byung-Geun Kang | Pen-shaped optical mouse |
| CN101415567A (en) * | 2006-04-04 | 2009-04-22 | 皇家飞利浦电子股份有限公司 | Expressive pen |
| CN101393491A (en) * | 2007-09-18 | 2009-03-25 | 株式会社和冠 | Position indicator, variable capacitor, position input device and computer system |
| CN201576251U (en) * | 2009-06-02 | 2010-09-08 | 宇龙计算机通信科技(深圳)有限公司 | Novel stylus pen |
| CN202548800U (en) * | 2012-04-11 | 2012-11-21 | 罗青 | Electronic signature device |
| CN103019466A (en) * | 2012-11-16 | 2013-04-03 | 厦门大学 | Projection interactive system based on infrared detection |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421736A (en) * | 2018-04-24 | 2018-08-21 | 福州大学 | A kind of Multifunctional cleaner based on metal-rubber |
| CN108421736B (en) * | 2018-04-24 | 2023-12-15 | 福州大学 | Multifunctional cleaner based on metal rubber |
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| Publication number | Publication date |
|---|---|
| CN104142737B (en) | 2020-11-06 |
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