CN200972637Y

CN200972637Y - Electronic soft pen

Info

Publication number: CN200972637Y
Application number: CNU2006201191219U
Authority: CN
Inventors: 刘迎建; 王红岗; 宋柏君
Original assignee: Hanwang Technology Co Ltd
Current assignee: Hanwang Technology Co Ltd
Priority date: 2006-08-16
Filing date: 2006-08-16
Publication date: 2007-11-07
Anticipated expiration: 2016-08-16

Abstract

An electronic soft pen belongs to a computer external input field, the technical key of the utility model is characterized in comprising a pen body, a pen tip which is used to write on the hand writing pad, and a sensor which conducts the deformation of the pen tip, the sensor is provided in the pen body, the pen tip is made of soft materials, when writing, deformation will be generated, the deformation size is in direct ratio to the writing force, the change of applied force is reflected by the sensor. The utility model is mainly used for the electronic calligraphy, painting and similar fields using computer hand writing input method. The utility model has the advantages and effects of simulating various traditional soft pens naturally and truly, and has sensitive pressure change range, and also the pen tip will generate natural realistic deformation so as to simulate the true feeling of the traditional soft pen sufficiently, and realize the advantage of traditional soft pen in calligraphy and painting by electronic input method, and the utility model is advantageous to create natural lively painting and calligraphic work.

Description

Electronic soft pen

Technical field

The utility model relates to the computing machine external input device, the handwriting input pen that especially a kind of nib is made by flexible material.

Background technology

Traditional writing pencil is divided into soft pen and hard-tipped pen two big categories, pencil, pen belong to hard-tipped pen, writing brush, brush pen etc. belong to soft pen, paintbrush in particularly specialty is painted, great majority belong to soft pen, as state's paintbrush of the oil painting brush in west, China all is soft stroke, and the famous drawing of the overwhelming majority and calligraphy work all are to be finished by soft pen.

Existing handwriting pad is a kind of coordinate entering device, ultimate principle is to send oscillator signal by handwriting pad, signal can be divided into X and Y both direction, there is the vibration receiving circuit writing pencil inside, the oscillator signal that handwriting pad sends can encourage the vibration receiving circuit of writing pencil and produce pumping signal, detect respective change by the handwriting pad testing circuit then, the treated positional information that obtains X and Y, and be sent to computing machine by interface, be about to operator's track hand-written or drawing and be input to computing machine, cooperate corresponding identification or painting software to finish the function of handwriting recognition or drawing again.Existing product all possesses the function of pressure sensor, and the size of pressure can cause the variation of person's handwriting width.Its ultimate principle is to come the pressure sensor size by the phase change that changes the oscillatory circuit signal in the writing pencil.The variation of pressure is big more, and the variation of phase place is also just big more, and the lines that are presented on the computer screen are also just wide more.

Handwriting pad, drawing boards, writing pencil begin to be applied to handwriting input, art designing's drawing, education and medical care and the various professional domain on the robot calculator.But all and drawing boards, the matching used writing pencil of handwriting pad all belong to the hard-tipped pen category at present, nib substantially all is made of plastics, as the product of Japanese WACOM company, domestic Chinese princes and dukes department, on the sense of touch of wieling the pen, use feeling that can't the actual soft pen of real simulation.In actual applications, particularly in traditional drawing, calligraphy field, be to use the traditional soft pen more, and do not use the handwriting pad of electronization, the computing machine input writing pencil that a kind of pressure sense of touch is real and have soft nib promptly do not occur.In the present information age, literal input has realized electronization fully, and the drawing electronization has also become inevitable trend, but also lacks a kind of input tool of suitable electronization.

The utility model content

Technical problem to be solved in the utility model provides the computing machine input writing pencil that a kind of pressure sense of touch is real and have soft nib, this writing pencil not only has the pressure sensitivity of rigid written writing pencil, has more the true nature sense of traditional soft nib.

The technical scheme that the utility model adopted is: based on existing handwriting pad technology, the utility model improves existing writing pencil and optimizes, and comprises the nib of writing pencil and is positioned at the inductor that handwriting is conducted written deformation; The writing pencil nib is made by flexible material, can produce deformation and deformation size and be directly proportional with the dynamics size of wieling the pen when writing.The writing pencil nib is connected with inductor.

Advantage of the present utility model and effect are: on handwriting pad the natural reality simulation characteristics in the practical application of various traditional soft, handwriting pad not only can responsive be felt the pressure of wieling the pen fine and smoothly and change, nib also can produce the nature distortion, can imitate the pen state of using of true soft pen to the life, be beneficial to very much and create lively drawing of nature and calligraphy work.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is the synoptic diagram of the electronic soft pen that proposes of the utility model.

Fig. 2 is electronic soft pen inductor and the written structural representation that the utility model proposes.

Fig. 3 is another kind of inductor of electronic soft pen and the written structural representation that the utility model proposes.

Fig. 4 is another inductor of electronic soft pen and the written structural representation that the utility model proposes.

Fig. 5 is the resonant circuit synoptic diagram of the electronic soft pen inductor that proposes of the utility model.

Description of drawings:

1, handwriting; 2, nib; 3, guide rod; 4, magnetic core; 5, telefault; 6, contact; 7, elastic electrode; 8, pad; 9, variable capacitance; 10, inductor; 11, first dielectric medium; 12, second dielectric medium; 13, first fixed electorde; 14, second fixed electorde; 15, separation layer;

107, elastic electrode A; 108, pad A; 109, variable capacitance A; 111, dielectric medium A; 113, the first fixed electorde A; 114, the second fixed electorde A;

207, elastic electrode B; 208, pad B; 209, variable capacitance B; 211, dielectric medium B; 213, the first fixed electorde B; 214, the second fixed electorde B.

Embodiment

Below in conjunction with accompanying drawing the utility model is described further.

Fig. 1 is a schematic representation of apparatus that the utility model proposes.This device is made of handwriting 1 and nib 2, nib 2 bottoms in handwriting 1, inductor 10 is positioned at handwriting 1, the variation of inductor 10 induction nib 2 positions of on handwriting pad, writing and pressure, the variation of pressure can change the variation of the phase place of oscillatory circuit in the writing pencil, and the variation of phase place can change the variation that parameter embodies the person's handwriting width into, promptly induces the position and the pressure of writing pencil.

Fig. 2 is a preferred embodiment of the present utility model.In this structure and principle that inductor 10 in writing pencil is described earlier, inductor 10 comprises variable capacitance 9, contact 6, guide rod 3, magnetic core 4, telefault 5.Nib 2 is positioned at the bottom of handwriting 1, nib 2 closely links to each other with the guide rod 3 of inductor 10, guide rod 3 passes magnetic core 4, and guide rod 3 upper ends embed contact 6, and contact 6 is near elastic electrode 7, elastic electrode 7 is made by resilient material, be connected the same side of first dielectric medium 11, second dielectric medium 12, first dielectric medium 11 and second dielectric medium 12 are placed side by side, have pad 8 to isolate between the elastic electrode 7 and first dielectric medium 11, second dielectric medium 12, pad 8 is the open circles ring-type, and hollow parts is an air; First dielectric medium 11 is connected first fixed electorde 13 and second fixed electorde, 14, the first fixed electordes 13 and second fixed electorde, 14 mirror images symmetry and places with second dielectric medium, 12 opposite sides; Between first dielectric medium 11 and second dielectric medium 12 separation layer 15 is arranged, the specific inductive capacity of separation layer 15 is less, is close with air; First dielectric medium 11, second dielectric medium 12 is made by having high dielectric constant materials, first dielectric medium 11, second dielectric medium 12 and first fixed electorde 13, second fixed electorde 14 constitutes a transformable electric capacity, when being subjected to the extruding of contact 6, elastic electrode 7 produces elastic deformation, with first dielectric medium 11, second dielectric medium 12 contacts, capacitance between fixed electorde 13 and the fixed electorde 14 is changed, and contact area changeableization more is big more, in fact, this is just by first dielectric medium 11, second dielectric medium 12 and first fixed electorde 13 and second fixed electorde 14, elastic electrode 7 has constituted a variable capacitance 9, when the suffered acting force of contact 6 is big more, the distortion of elastic electrode 7 is also just big more, at the elastic electrode 7 and first dielectric medium 11, gap between second dielectric medium 12 can be more little, and mutual surface of contact also can be increasing, capacitance variations between first fixed electorde 13 and second fixed electorde 14 is also just big more, otherwise then opposite.

Telefault 5 in the inductor 10 is wrapped on the magnetic core 4, and telefault 5 and magnetic core 4 constitute the inductance of a function admirable, and the lead-in wire of telefault 5 is connected with the lead-in wire of variable capacitance 9, constitutes one and holds the sense resonant circuit, as shown in Figure 5.The inductor principle of work is as follows: will hold the sense resonant circuit near the oscillation source that can produce identical or close oscillator signal, this holds the sense resonant circuit and produces resonance, utilize an input circuit to detect this parameter of holding the sense resonant circuit again and change, draw the position of writing pencil nib 2 and the size of pressure.This example is that an akin signal source of oscillator signal and an input circuit that produces with appearance sense resonant circuit is set in handwriting pad, when the generation signal that holds the sense resonant circuit changes, by detecting the state that just can learn writing pencil, as the size of measuring resonance signal just can learn written position, and the phase difference value of measuring resonance signal and oscillator signal just can be learnt the size of pressure.

Nib 2 is made by flexible material, as elasticity porous plastic cement etc., when the user writes, writing pencil touches the writing surface of handwriting pad, written 2 can produce significantly distortion, and the dynamics size when being out of shape size and writing is directly proportional, near the state of writing with common soft pen.When nib 2 distortion, can produce big or small equidirectional acting force in opposite directions, closely link to each other with the guide rod 3 of inductor 10 owing to written 2, acting force can make elastic electrode 7 distortion by guide rod 3, contact 6, and the distortion of electrode 7 directly causes the variation of capacitance, by as can be known aforementioned, detect this parameter of holding the sense resonant circuit by testing circuit and changes, draw the position of writing pencil nib 2 and the size of pressure, and reach the effect of expectation.

Remove the foregoing description, also have two other embodiment in order to technical essential of the present utility model to be described, its key distinction is the difference of variable capacitance in the inductor 10, in these two embodiment, inductor 10 is also for holding sense resonant circuit, just the formation difference of variable capacitance.As shown in Figure 3, variable capacitance A109 is made up of dielectric A111, the first fixed electorde A113, the second fixed electorde A114 and elastic electrode A107, pad A108; Pad A108 is identical with pad 8.Elastic electrode A107 is with first fixed electorde A113 is vertical is connected, the second fixed electorde A114 is set on dielectric A111, when elastic electrode A107 is not under pressure, there is pad A108 to isolate between elastic electrode A107 and the dielectric medium A111, capacitance is very big, when elastic electrode A107 is under pressure, promptly when the user writes, writing pencil touches the writing surface of handwriting pad, nib 2 can produce significantly distortion, dynamics size when being out of shape size and writing is directly proportional, cause the gap between elastic electrode A107 and dielectric medium A111 to disappear, surface of contact increases, electric capacity between the first fixed electorde A113 and the second fixed electorde A114 is also increasing, and the distortion of electrode A 107 directly causes the variation of capacitance, by as can be known aforementioned, detect this parameter of holding the sense resonant circuit by testing circuit and change, draw the position of writing pencil nib 2 and the size of pressure.

Equally, be illustrated in figure 4 as another embodiment of the present utility model, structure and previous embodiment are basic identical, different is, the first fixed electorde B213 and the second fixed electorde B214 of variable capacitance B209 are in the same side of dielectric B211, and elastic electrode B207 is at the opposite side of dielectric B211, when elastic electrode B207 is subjected to external force, B211 contacts with dielectric, and along with the variation of contact area, the electric capacity between the first fixed electorde B213 and the second fixed electorde B214 is also changing.

In addition, for the shape of nib and the variation in cross section, can as flat, row brush shape etc., can realize above-mentioned function equally and reach identical performance with multiple.

The characteristics of the utility model device in can various soft the practical applications of natural reality simulation are equipped with calligraphic copying software, can allow traditional calligraphy convenient clean and tidy, help creating lively drawing of nature and calligraphy work.The utility model device provides a kind of energy soft product of smart electronics near soft time of day for paint personnel, calligraphy fan, school of specialty, the drawing personnel are engaged in drawing work by computing machine, can reach the time of day of soft pen, calligraphy as the rarity of Chinese culture, also can be developed and carry forward in the information development epoch, and promote the popularization and the development of calligraphy education.

Claims

1, a kind of electronic soft pen is made of handwriting, the nib of writing on handwriting pad, inductor, and inductor is positioned at handwriting, it is characterized in that: comprise nib (2) and conduct the inductor (10) of written deformation; Be formed in by flexible material and can produce deformation and deformation size when writing and nib (2) that the writing physical strength size is directly proportional is connected with inductor (10).

2, electronic soft pen as claimed in claim 1 is characterized in that: inductor (10) is made up of variable capacitance (9), contact (6), guide rod (3), magnetic core (4), telefault (5); Variable capacitance (9) and telefault (5) constitute to hold feels resonant circuit.

3, electronic soft pen as claimed in claim 2 is characterized in that: the guide rod (3) in the inductor (10) is connected with nib (2).

4, electronic soft pen as claimed in claim 2 is characterized in that: the variable capacitance (9) in the inductor (10) is made up of first dielectric medium (11), second dielectric medium (12), first fixed electorde (13), second fixed electorde (14) and an elastic electrode (7); First fixed electorde (13) and second fixed electorde (14) mirror image symmetry are connected the same side of first dielectric medium (11) and second dielectric medium (12); Elastic electrode (7) is connected the opposite side of first dielectric medium (11) and second dielectric medium (12).

5, electronic soft pen as claimed in claim 2 is characterized in that: the variable capacitance A (109) in the inductor (10) is made up of dielectric medium A (111), the first fixed electorde A (113), the second fixed electorde A (114) and an elastic electrode A (107); Dielectric medium A (111) one sides connect the second fixed electorde A (114), and corresponding opposite side connects elastic electrode A (107); The first fixed electorde A (113) is connected the same side of elastic electrode A (107) and dielectric medium A (111).

6, electronic soft pen as claimed in claim 2 is characterized in that: the variable capacitance B (209) in the inductor (10) is made up of dielectric medium B (211), the first fixed electorde B (213), the second fixed electorde B (214) and an elastic electrode B (207); The first fixed electorde B (213) and second fixed electorde B (214) the mirror image symmetry are connected the same side of dielectric medium B (211), and elastic electrode B (207) is connected the opposite side of dielectric medium B (211).

7, electronic soft pen as claimed in claim 1 is characterized in that: nib (2) be shaped as down drops.

8, electronic soft pen as claimed in claim 1 is characterized in that: nib (2) be shaped as the row brush shape.

9, electronic soft pen as claimed in claim 1 is characterized in that: nib (2) be shaped as column.

10, electronic soft pen as claimed in claim 1 is characterized in that: the manufacturing materials of nib (2) is the porous plastic cement.