CN104035581A - Control method of electromagnetic pen - Google Patents
Control method of electromagnetic pen Download PDFInfo
- Publication number
- CN104035581A CN104035581A CN201310075309.2A CN201310075309A CN104035581A CN 104035581 A CN104035581 A CN 104035581A CN 201310075309 A CN201310075309 A CN 201310075309A CN 104035581 A CN104035581 A CN 104035581A
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- Prior art keywords
- time writer
- pressure
- pen point
- control method
- gradient value
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Abstract
The invention discloses a control method of an electromagnetic pen. The method comprises the following steps: firstly, providing an electromagnetic pen on an electromagnetic input device; secondly, generating a distance corresponding table according to a moving distance of the electromagnetic pen on the electromagnetic input device, and generating a pressure gradient range according to the distance corresponding table; generating a pressure map according to the pressure gradient range; and finally, calculating the tip pressure of the electromagnetic pen according to a maximum pressure gradient value in the pressure gradient value range and a pressure gradient value corresponding to the moving distance of the electromagnetic pen.
Description
Technical field
The present invention relates to a kind of time writer control method, particularly relate to a kind of time writer control method that makes time writer there is pen point pressure sensing capability.
Background technology
The operation principles of electromagnetic type input technology is mainly to have multiple induction antenna loops that distribute vertically or the circuit board of antenna, and collocation one time writer that can send electromagnetic signal is to carry out input action.Therefore the induction planes of electromagnetic type input media is to be made up of antenna or inductive coil.And antenna or inductive coil are that layout is under the working surface of input media or after display screen.When time writer operates, the coordinate position of time writer is to process and calculate and obtain through signal by the electromagnetic wave transmitting between oscillatory circuit in time writer and antenna or inductive coil.
Within the oscillatory circuit of time writer conventionally comprises and is formed and be placed in a shell by inductance, electric capacity and related elements.Inductance is that the wire coil being wound around by powdered-iron core (ferrite core) collocation is formed, and the related elements such as electric capacity form oscillatory circuit with and the antenna loop of input media or inductive coil between transmit and reception electromagnetic wave signal.Oscillatory circuit is by the capacitance connecting on the inductance value of the wire coil according in parallel and circuit, to determine the oscillation frequency of this circuit, in the time that user writes on input media with time writer, nib in time writer can make capacitance or inductance value continuity to be changed, and and then the frequency of oscillatory circuit is also accompanied by continuity occurs to change, input media can be by internal circuit, goes to detect and calculate the frequency of received electromagnetic signal, in the hope of the pressure gradient of electromagnetism nib.
The main design concept of above-mentioned acquisition electromagnetism nib pressure gradient is to utilize in the time of nib pressurized, make capacitance or inductance value generation continuity and change to change the transmission frequency of oscillatory circuit, therefore must use with the trigger architecture of nib interlock and change to touch capacitance or inductance value.
The present invention is conceived to a kind of time writer control method, is applied to the time writer not possessing with the trigger architecture of nib interlock, makes still can have pen point pressure sensing capability without the time writer of nib trigger architecture.
Summary of the invention
The object of the invention is to, a kind of new time writer control method is proposed, technical matters to be solved is make its translational speed of utilizing time writer calculate pen point pressure and simulate pen point pressure induction gradient, when the translational speed of time writer, more pen point pressure is less, and utilize the translational speed of the corresponding table of distance, the corresponding table of pressure and time writer to obtain pen point pressure value, be very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of time writer control method proposing according to the present invention, the method comprises following steps.First provide time writer on electromagnetic input device.Then according to time writer, the displacement on electromagnetic input device produces the corresponding table of distance, and produces pressure gradient value scope according to the corresponding table of distance.Then produce the corresponding table of pressure according to pressure gradient value scope.Then calculate the pen point pressure of time writer according to pressure gradient value corresponding to the displacement of the maximum pressure gradient value in pressure gradient value scope and time writer.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid time writer control method, also comprises use one counter so that the mild step increasing of this pen point pressure.
Aforesaid time writer control method, the electromagnetic type load module that wherein this electromagnetic type input media comprises a digiboard or a mobile communications device.The object of the invention to solve the technical problems also realizes by the following technical solutions.A kind of time writer control method proposing according to the present invention, the method comprises the following steps: provide a time writer on an electromagnetic input device; A displacement according to this time writer on this electromagnetic input device produces the corresponding table of a distance, and produces a pressure gradient value scope according to this apart from correspondence table; Produce the corresponding table of a pressure according to this pressure gradient value scope; Apply a counter, this counter have a pair of should be in the range of counter of this pressure gradient value scope; And calculate a pen point pressure of this time writer according to a pressure gradient value corresponding to this displacement of the maximum pressure gradient value in this pressure gradient value scope and this time writer.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid time writer control method, also comprises and judges whether this displacement is more than or equal to this respective distances apart from a gradient n of correspondence table
and whether be less than or equal to a respective distances of a gradient n+1
Aforesaid time writer control method, wherein said this displacement D is more than or equal to this this respective distances apart from this gradient n of correspondence table
and be less than or equal to this respective distances of this gradient n+1
this pen point pressure is a pen point pressure of ordering in this gradient n
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, time writer control method of the present invention at least has following advantages and beneficial effect: time writer control method of the present invention is utilized the translational speed of time writer to calculate pen point pressure and simulated pen point pressure induction gradient, when the translational speed of time writer, more pen point pressure is less, and utilize the translational speed of the corresponding table of distance, the corresponding table of pressure and time writer to obtain pen point pressure value, be very suitable for practicality.
In sum, the invention relates to a kind of time writer control method, the method comprises following steps: first provide time writer on electromagnetic input device.Then according to time writer, the displacement on electromagnetic input device produces the corresponding table of distance, and produces pressure gradient value scope according to the corresponding table of distance.Then produce the corresponding table of pressure according to pressure gradient value scope.Then calculate the pen point pressure of time writer according to pressure gradient value corresponding to the displacement of the maximum pressure gradient value in pressure gradient value scope and time writer.The present invention has significant progress technically, and has obvious good effect, is really a new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
Fig. 1 be in one embodiment of the invention time writer in the sensitive surface of electromagnetic type input media from coordinate (x
1, y
1) move to (x
2, y
2) schematic diagram.
Fig. 2 is the schematic diagram of the electromagnetic type input media of display application one embodiment of the invention.
Fig. 3 is the schematic diagram of the input system of display application one embodiment of the invention.
Fig. 4 is the process flow diagram that shows the pen point pressure induction control method of one embodiment of the invention.
100: sensitive surface
102: time writer
202: control module
204: electromagnetic induction unit
206: time writer pen point pressure module
208: time writer
302: main frame
304: electromagnetic type input media
306: processing unit
308: time writer pen point pressure module
310: time writer
402～418: the step of pen point pressure induction control method
Embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of time writer control method, structure, feature and effect thereof of proposing according to the present invention, be described in detail as follows.
Some embodiments of the present invention will be described in detail as follows.But except following description, the present invention can also be widely implements at other embodiment, and protection scope of the present invention is not subject to the restriction of embodiment, and its protection domain with claim is as the criterion.Moreover for clearer description being provided and being easier to understand the present invention, graphic interior each several part is not drawn according to its relative size, some size is exaggerated compared with other scale dependents; Incoherent detail section does not also show completely, in the hope of graphic succinct.
Fig. 1 be in one embodiment of the invention time writer in the sensitive surface of electromagnetic type input media from coordinate (x
1, y
1) move to (x
2, y
2) schematic diagram.Refer to shown in Fig. 1, in the sensitive surface 100 of electromagnetic type input media, carry out the time writer 102 of input operation from coordinate (x
1, y
1) move to (x
2, y
2).In one embodiment of this invention, time writer 102 comprises the time writer not possessing with the trigger architecture of nib interlock, that is does not possess the time writer of pen point pressure inducing function.Not possessing with the time writer of the trigger architecture of nib interlock is only the example of application one embodiment of the invention, not in order to limit the present invention.Embodiments of the invention can be applicable to other any suitable time writers.
Fig. 2 is the schematic diagram of the electromagnetic type input media of display application one embodiment of the invention.In one embodiment of this invention, electromagnetic type input media comprises a control module 202, an electromagnetic induction unit 204 and a time writer pen point pressure module 206.The electromagnetic type load module that electromagnetic type input media comprises digiboard or mobile communications device, but be not limited to the electromagnetic type load module of digiboard or mobile communications device.Time writer pen point pressure module 206 comprises firmware program and stores the storer of firmware program, with in the time that time writer 208 is carried out input operation on the sensitive surface of electromagnetic type input media and electromagnetic induction unit 204, and execution pen point pressure induction control method.The detailed content of pen point pressure induction control method will be in following narration.
Fig. 3 is the schematic diagram of the input system of display application one embodiment of the invention.In one embodiment of this invention, input system comprises a main frame 302, electromagnetic type input media 304.Main frame 302 comprises computer or mobile communications device, but is not limited to computer or mobile communications device.Main frame 302 has a processing unit 306 and a time writer pen point pressure module 308.The computer readable media that time writer pen point pressure module 308 comprises software program and store software programs, with in the time that time writer 310 is carried out input operation in the sensitive surface of electromagnetic type input media 304, carries out pen point pressure induction control method.Computer readable media has the executable instruction of processing unit 306 or program, and computer readable media comprises the Storage Media such as hard disk, storer.
In one embodiment of this invention, pen point pressure induction control method is to utilize the corresponding table of distance (distance table) and the corresponding table of pressure (pressure table) to convert time writer displacement to pen point pressure, and utilize counter (counter) that time writer pen point pressure is increased gently, to avoid nib original pressure excessive.If time writer is as shown in fig. 1 from coordinate (x
1, y
1) move to (x
2, y
2), the corresponding table of distance is to set up according to following
n=0,1,2,...,MaxP
Wherein
for the time writer displacement that in the corresponding table of distance, gradient value is n, 0,1,2 ..., MaxP is pressure gradient value scope.
In one embodiment of this invention, the pen point pressure value in the corresponding table of pressure is to calculate according to following equation
n=0,1,2,...,MaxP
Wherein
for the pen point pressure value in the corresponding table of pressure, n is pressure gradient value in the corresponding table of predeterminable range and the corresponding table of pressure, 0,1,2 ..., MaxP is pressure gradient value scope, MaxP is the gradient of corresponding nib maximum pressure value, if the pressure gradient of setting is 1024 rank,
n=0,1,2,...,1023
MaxP=1023
Work as n=MaxP
P
maxfor nib maximum pressure value.γ is pressure curve value, and γ value is for depending on asking setting, if γ=1 pressure curve is straight line, pressure is changed to linearity.0.5 1 values are for conveniently rounding up.
In one embodiment of this invention, Counter Value is
P
Count=0,1,2,...,MaxP
P
countfor Counter Value, be for time writer pen point pressure is increased gently, avoid pen point pressure value suddenly to increase or exceed set pressure gradient scope.In the time that the initial pen point pressure of time writer is excessive, utilize P
countvalue is revised so that time writer pen point pressure increases gently.
Fig. 4 is the process flow diagram that shows the pen point pressure induction control method of one embodiment of the invention.As shown in Figure 4, first in step 402, time writer is from coordinate (x
1, y
1) move to (x
2, y
2).Then in step 404, judge whether time writer nib depresses to the sensitive surface of electromagnetic input device.If time writer nib does not depress to the sensitive surface of electromagnetic input device, determine that in step 405 Counter Value is zero, i.e. P
count=0.If time writer nib has depressed to the sensitive surface of electromagnetic input device, calculate time writer displacement D in step 406, wherein
。Then in step 408, relatively whether Counter Value is less than the gradient MaxP for corresponding nib maximum pressure value.If Counter Value P
countbe less than MaxP, Counter Value P
countfor moving and increase progressively with time writer.
Then in step 410, judge whether time writer displacement D is more than or equal to the respective distances of the corresponding table of distance gradient n
and whether be less than or equal to the respective distances of gradient n+1
if time writer displacement D is more than or equal to
and be less than or equal to
determine in step 412
for pen point pressure value.Then in step 414, judge that whether D is more than or equal to the corresponding table of distance gradient is the respective distances of MaxP (being maximal value)
if D is more than or equal to
set in step 415
equal minimum pen point pressure value.If D is not more than or equal to
judgement in step 416
whether be greater than P
countcorresponding force value.If
be greater than P
countcorresponding force value is set in step 418
equal P
countcorresponding force value, that is calculate
value has been greater than force value corresponding to preset pressure corresponding table gradient, for pen point pressure is increased gently, and directly will
be set as P
countcorresponding force value.
The embodiment of the present invention can be applied in various time writers on demand constructs to carry out the various functions of time writer.The function that uses which kind of time writer to construct to carry out the embodiment of the present invention is determined by demand.
The time writer control method that the present invention proposes is to utilize the translational speed of time writer to calculate pen point pressure and simulate pen point pressure induction gradient.When the translational speed of time writer, more pen point pressure is less.Time writer control method of the present invention utilization obtains pen point pressure value apart from the translational speed of correspondence table, the corresponding table of pressure and time writer.Utilize the slow count value increasing of counter gently to increase to guarantee pen point pressure value simultaneously.Therefore can make user write use with time writer collocation electromagnetic input device or input system time, convert pen point pressure to by time writer displacement, the coordinate movable signal that while making to write, time writer sends is carried out and is converted pen point pressure gradient signal to via firmware or software program, to control time writer writing function.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be not depart from technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a time writer control method, is characterized in that the method comprises the following steps:
Provide a time writer on an electromagnetic input device;
A displacement according to this time writer on this electromagnetic input device produces the corresponding table of a distance, and produces a pressure gradient value scope according to this apart from correspondence table;
Produce the corresponding table of a pressure according to this pressure gradient value scope; And
Calculate a pen point pressure of this time writer according to a pressure gradient value corresponding to this displacement of the maximum pressure gradient value in this pressure gradient value scope and this time writer.
2. time writer control method according to claim 1, is characterized in that it also comprises use one counter so that the mild step increasing of this pen point pressure.
3. time writer control method according to claim 1, is characterized in that the electromagnetic type load module that wherein this electromagnetic type input media comprises a digiboard or a mobile communications device.
4. a time writer control method, is characterized in that the method comprises the following steps:
Provide a time writer on an electromagnetic input device;
A displacement according to this time writer on this electromagnetic input device produces the corresponding table of a distance, and produces a pressure gradient value scope according to this apart from correspondence table;
Produce the corresponding table of a pressure according to this pressure gradient value scope;
Apply a counter, this counter have a pair of should be in the range of counter of this pressure gradient value scope; And
Calculate a pen point pressure of this time writer according to a pressure gradient value corresponding to this displacement of the maximum pressure gradient value in this pressure gradient value scope and this time writer.
5. time writer control method according to claim 4, is characterized in that it also comprises and judges whether this displacement is more than or equal to this respective distances apart from a gradient n of correspondence table
and whether be less than or equal to a respective distances of a gradient n+1
6. time writer control method according to claim 5, is characterized in that wherein this displacement D is more than or equal to this this respective distances apart from this gradient n of correspondence table
and be less than or equal to this respective distances of this gradient n+1
this pen point pressure is a pen point pressure of ordering in this gradient n
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075309.2A CN104035581B (en) | 2013-03-08 | 2013-03-08 | Time writer control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310075309.2A CN104035581B (en) | 2013-03-08 | 2013-03-08 | Time writer control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104035581A true CN104035581A (en) | 2014-09-10 |
| CN104035581B CN104035581B (en) | 2016-12-28 |
Family
ID=51466380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310075309.2A Active CN104035581B (en) | 2013-03-08 | 2013-03-08 | Time writer control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104035581B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503574U (en) * | 2009-04-16 | 2010-06-09 | 台均科技（深圳）有限公司 | Electromagnetic pen and electromagnetic induction equipment |
| US20110193825A1 (en) * | 2010-02-08 | 2011-08-11 | Waltop International Corporation | Electromagnetic Inductive System with Multi-Signals and Processing Method for Multi-Signal |
| CN102681677A (en) * | 2011-03-08 | 2012-09-19 | 汉王科技股份有限公司 | Electromagnetic pen for electronic white board and pressure sensitivity control method thereof |
-
2013
- 2013-03-08 CN CN201310075309.2A patent/CN104035581B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503574U (en) * | 2009-04-16 | 2010-06-09 | 台均科技（深圳）有限公司 | Electromagnetic pen and electromagnetic induction equipment |
| US20110193825A1 (en) * | 2010-02-08 | 2011-08-11 | Waltop International Corporation | Electromagnetic Inductive System with Multi-Signals and Processing Method for Multi-Signal |
| CN102681677A (en) * | 2011-03-08 | 2012-09-19 | 汉王科技股份有限公司 | Electromagnetic pen for electronic white board and pressure sensitivity control method thereof |
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| Publication number | Publication date |
|---|---|
| CN104035581B (en) | 2016-12-28 |
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Owner name: WACOM CO., LTD. Free format text: FORMER OWNER: TAIHAN SCIENCE + TECHNOLOGY Effective date: 20150512 |
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Effective date of registration: 20150512 Address after: Saitama Prefecture, Japan Applicant after: Wacom Co., Ltd. Address before: Taiwan, China Hsinchu science and Technology Industrial Park, nine East Road, building 1, building 30 Applicant before: Taihan Science & Technology |
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