CN105513437A - Electronic compasses system and operating method and components thereof - Google Patents
Electronic compasses system and operating method and components thereof Download PDFInfo
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- CN105513437A CN105513437A CN201511017218.9A CN201511017218A CN105513437A CN 105513437 A CN105513437 A CN 105513437A CN 201511017218 A CN201511017218 A CN 201511017218A CN 105513437 A CN105513437 A CN 105513437A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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Abstract
The invention discloses an electronic compasses system and an operating method and components thereof. The electronic compasses system comprises electromagnetic compasses and an electronic terminal. The electromagnetic compasses comprise a compasses component with two feet. The upper ends of the two feet are hinged and the lower ends of the two feet can be separated or folded randomly in order that the radius of a drawn arc can be adjusted. The lower end point of each foot is provided with an electromagnetic point. The electronic terminal is used for inducing the electromagnetic points of the electromagnetic compasses and determining the compasses operation of the electromagnetic compasses relative to a system coordinate system according to the positional information of the electromagnetic points.
Description
Technical field
The present invention relates to IT application in education sector technical field, particularly relate to a kind of electronic compass system and method for work thereof and building block.
Background technology
Along with IT application in education sector development, increasing school all establishes informationalized tutoring system.Usually, this kind of tutoring system comprises server (abbreviation service end), teacher's client (abbreviation teacher side) and student client (abbreviation student side) three parts, and they cooperatively interact and complete teaching process in informationalized mode.Particularly along with the development of network technology and mobile terminal technology, increasing information-based teaching aid equipment is introduced into classroom.
The introducing of these utility appliance, makes traditional teaching pattern also change thereupon.Such as: teacher arranges that the mode of subject operation is no longer only confined to teacher's oral or writing on the blackboard on classroom and carries out for student, but can be undertaken by means such as Email or micro-letter mass-sendings, and student to fulfil assignment also be no longer only use traditional papery homework book, and can by electric terminals such as student side.That is arranging operation and fulfiling assignment is all electronic mode, can break away from paper and pen.
But for natural sciences subjects such as mathematics, fulfil assignment traditionally except will by paper and pen, also need by aids such as set square, ruler, compasses, semi-circle rulers (protractor), and existing set square, ruler, compasses, semi-circle ruler cannot be mutual with the electric terminal such as student side, the needs that student completes the operation of electronic natural sciences subject can not be met.
Summary of the invention
The present invention expects to provide a kind of electronic compass system and method for work thereof and building block, can meet the needs using compasses when student completes electronic natural sciences subject operation.
The technical scheme of the embodiment of the present invention is achieved in that
The embodiment of the present invention provides a kind of electronic compass system, and this system comprises: electromagnetism compasses and electric terminal; Wherein,
Electromagnetism compasses comprise class compasses parts, and described class compasses parts comprise two pin, upper end thereof, and lower end can arbitrarily separate or close up, and to adjust the size of painted arc radius, are respectively furnished with an electromagnetism point at the lower extreme point place of described two pin;
Electric terminal, for the electromagnetism point of inductive electromagnetic compasses, according to the positional information of described electromagnetism point, determines that described electromagnetism compasses operate corresponding to the compasses of system coordinate system.
The embodiment of the present invention also provides a kind of electromagnetism compasses of electronic compass system, these electromagnetism compasses comprise class compasses parts, described class compasses parts comprise two pin, upper end thereof, lower end can arbitrarily separate or close up, with adjustment paint the size of arc radius, be respectively furnished with an electromagnetism point at the lower extreme point place of described two pin.
In such scheme, in described class compasses parts, the lower extreme point of a pin is had at least to comprise anti-skidding material.
The embodiment of the present invention also provides a kind of electric terminal of electronic compass system, and this terminal comprises: electromagnetic induction coil substrate, electronic compass module and display screen; Wherein,
Electromagnetic induction coil substrate is positioned at below described display screen, for the positional information on inductive electromagnetic compasses summit;
Electronic compass module, the electromagnetism point for resolving two foot points in described electromagnetism compasses according to described positional information corresponds to the point of system coordinate system to coordinate, determines that described electromagnetism compasses operate corresponding to the compasses of system coordinate system according to described point to coordinate;
Display screen, for showing the operating result of described compasses operation.
In such scheme, described electromagnetic induction coil substrate comprises a cage circuit, and each point of crossing in described cage circuit is furnished with an electromagnetic induction unit, and electromagnetic induction unit is for responding near this point of crossing whether have electromagnetism point.
In such scheme, described electronic compass module comprises:
Coordinate resolution unit, the electromagnetism point for resolving two foot points in described electromagnetism compasses according to the positional information of electromagnetism point corresponds to the point of system coordinate system to coordinate;
Arc drafting unit, for according to a series of described point to coordinate, determine picture circular arc operation corresponding to electronics circular arc.
In such scheme, described electronic compass module also comprises:
Distance determining unit, for according to described point to coordinate, determine the distance between current electromagnetic compasses two underfooting ends.
In such scheme, described electronic compass module also comprises:
Angle determination unit, for according to a series of described point to coordinate, determine the angle value that described electronics circular arc is corresponding.
The embodiment of the present invention also provides a kind of method of work of electronic compass system, and the method comprises:
When any one electromagnetism compasses above-mentioned are placed on the display screen of any one electric terminal above-mentioned, described electric terminal responds to the electromagnetism point in described electromagnetism compasses, according to the positional information of described electromagnetism point, determine that described electromagnetism compasses operate corresponding to the compasses of system coordinate system.
In such scheme, the described positional information according to described electromagnetism point, determine that described electromagnetism compasses comprise corresponding to the compasses operation of system coordinate system:
The electromagnetism point of resolving two foot points in described electromagnetism compasses according to the positional information of electromagnetism point corresponds to the point of system coordinate system to coordinate;
According to a series of described point to coordinate, determine the electronics circular arc corresponding to the operation of picture circular arc.
The beneficial effect of technical solution of the present invention is: by arrange electromagnetism point in the key point of compasses, make electromagnetism compasses can be mutual with electric terminal, thus obtain the positional information of electromagnetism compasses key point, positional information is converted to the key point coordinate in system coordinate system, and then determine that compasses operate, and utilize electric terminal to be shown to user the result that compasses operate, achieve the function of compasses, such electronic compass system achieves the conversion being tied to system logic coordinate system by physical coordinates, overcomes the deficiency of common compasses; In addition, electronic compass system also can be the distance between the real-time display compasses bipod of user, and the angle value of circular arc, has the function that common compasses cannot realize.
Accompanying drawing explanation
The principle schematic of the electronic compass system that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the electrical block diagram of the storage unit be connected with inductive coil in an embodiment provided by the invention.
Embodiment
In order to be illustrated more clearly in the embodiment of the present invention and technical scheme, be described in detail technical scheme of the present invention below in conjunction with drawings and Examples, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiment.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not paying creative work, all belongs to the scope of protection of the invention.
The natural sciences subjects such as mathematics usually require that student can grasp the using method of the aids such as compasses, compasses are also one of them, but student may not use common compasses to complete e-cooperative work, common compasses are provided with draw point on a pin, can scratch or puncture the display screen of electric terminal, and the camber line that on another leg of common compasses, paintbrush draws at all can not by electric terminal identification, therefore originally need to use the operation of compasses at all can not be electronic, have a strong impact on applying of e-cooperative work.
Therefore in the urgent need to a kind of compasses that can be electronic, the above-mentioned deficiency of common compasses can be overcome, help student can complete relevant operation on electric terminal.
There is provided a kind of electronic compass system in the embodiment of the present invention, described system comprises: electromagnetism compasses and electric terminal; Wherein,
Electromagnetism compasses comprise class compasses parts, and described class compasses parts comprise two pin, upper end thereof, and lower end can arbitrarily separate or close up, and to adjust the size of painted arc radius, are respectively furnished with an electromagnetism point at the lower extreme point place of described two pin;
Electric terminal, for the electromagnetism point of inductive electromagnetic compasses, according to the positional information of described electromagnetism point, determines that described electromagnetism compasses operate corresponding to the compasses of system coordinate system.
Concrete, an example of the electromagnetism compasses in above-mentioned electronic compass system as shown in Figure 1, these electromagnetism compasses comprise one or two pin 101 and 102, the upper end of pin 101 and 102 is joined by articulated elements 103, the lower end of pin 101 and 102 can arbitrarily separate or close up, with adjustment paint the size of arc radius, described pin 101,102 and articulated elements 103 form class compasses parts; Especially, such compasses parts also comprise grips 104, grip and rotate electromagnetism compasses for user; An electromagnetism point 111 and 112 is furnished with respectively at the lower extreme point place of described two pin 101 and 102.
Further, for ease of a pin Absorbable organic halogens of electromagnetism compasses in electric terminal screen surface, in above-mentioned electromagnetism compasses, in class compasses parts, the lower extreme point of a pin is had at least to comprise the anti-skidding materials such as silica gel.Namely the material of the least significant end of an electromagnetism compasses pin is larger relative to the friction factor of electric terminal screen material.
Described anti-skidding material can be silica gel, rubber etc.
In order to carry out alternately with above-mentioned electromagnetism compasses, the embodiment of the present invention also provides a kind of electric terminal of electronic compass system, and described terminal comprises: electromagnetic induction coil substrate, electronic compass module and display screen; Wherein,
Electromagnetic induction coil substrate is positioned at below described display screen, for the positional information on inductive electromagnetic compasses summit;
To coordinate, electronic compass module, for resolving the electromagnetism point of two foot points in described electromagnetism compasses according to described positional information and corresponding to the point of system coordinate system to coordinate, determines that described electromagnetism compasses operate corresponding to the compasses of system coordinate system according to described point;
Display screen, for showing the operating result of described compasses operation.
Continue with reference to figure 1, electromagnetic induction coil substrate in above-mentioned electric terminal comprises a cage circuit 102 as shown in Figure 1, each point of crossing in described cage circuit 102 is furnished with an electromagnetic induction unit, and electromagnetic induction unit is for responding near this point of crossing whether have electromagnetism point.
Fig. 2 is the electrical block diagram of the storage unit be connected with inductive coil in an embodiment provided by the invention, as shown in Figure 2, M1 is a metal-oxide-semiconductor, WL is storage switch, when inductive coil changes signal, WL is high level, thus metal-oxide-semiconductor conducting, the high level of BL charges to electric capacity Cs, when inductive coil variable signal disappears, WL is low level, metal-oxide-semiconductor ends, thus the electricity of electric capacity Cs is saved, electricity again by detecting BL line can judge that this point has data, when Mobile electromagnetic compasses 101, electromagnetic induction coil below it is by generation induction current and to the capacitor charging connected, coating-forming voltage after capacitor charging is also kept in electric capacity, this electric charge will keep certain hour, open WL, electromagnetic position point will be perceived by the voltage status constantly scanning BL line.C
bLbe used to the basic electric capacity promoting BL line, so that after Cs capacitor discharge, the voltage of BL line is elevated to ' 1 ' current potential, citing, when storing data 1 in electric capacity Cs, electric capacity is noble potential, when reading the data of this storage unit, first the voltage of BL line is set to Vcc/2, then open WL line, make metal-oxide-semiconductor conducting, now electric capacity Cs discharges to BL line, the voltage of BL line is made to be elevated to Vcc, i.e. data 1.
Electromagnetic induction coil substrate also comprises electromagnetic induction chip, and its effect is the CPU offering electric terminal after processing the signal (simulating signal) of inductive coil feedback on induction substrate with the form of coordinate (digital signal).
Electromagnetism point is then a permanent electric magnetic dot, and when Mobile electromagnetic point by the coil magnetic line of force on cutting substrate, the signal magnitude of coil will change thereupon, thus calculates electromagnetism point position by electromagnetic induction chip.
And then in above-mentioned electric terminal, described electronic compass module comprises:
Coordinate resolution unit, the electromagnetism point for resolving two foot points in described electromagnetism compasses according to the positional information of electromagnetism point corresponds to the point of system coordinate system to coordinate;
Arc drafting unit, for according to a series of described point to coordinate, determine picture circular arc operation corresponding to electronics circular arc.
Here, system coordinate system refers to the logical coordinates system of electronic compass system, the positional information of electromagnetism point is converted to the point coordinate of system coordinate system, achieves the corresponding of physical coordinates and system coordinates.
Synchronization, the positional information of two electromagnetism points corresponds to system coordinate system and forms a point to coordinate; When user rotates electromagnetism compasses on the screen of electric terminal, electric terminal by series of points corresponding for the electromagnetism point that collects two foot points in electromagnetism compasses to coordinate, the center of circle of circular arc drawn by electromagnetism compasses, the starting point of radius and each instantaneous small arc-shaped and terminal can be determined to coordinate according to this series of points, draw these small arc-shapeds successively, while determine the electronics circular arc corresponding to the operation of electromagnetism compasses picture circular arc.Thus achieve the basic function of compasses---draw circular arc.
Common compasses also have the whether equal effect of measurement two line segments, and the present invention also has this effect to make electromagnetism compasses, and strengthen compasses distance measurement function further, in one embodiment, above-mentioned electronic compass module also comprises simultaneously:
Distance determining unit, for according to described point to coordinate, determine the distance between current electromagnetic compasses two underfooting ends.
Concrete, electric terminal collects a little to after coordinate, calculate described point to spacing, just can determine the distance between current electromagnetic compasses two underfooting ends.
Further, as shown in Figure 1, observe for the ease of user, the distance calculated can be presented on the display screen of electric terminal with the form of rule 122.
Continue with reference to figure 1, preferably, above-mentioned electronic compass module can also comprise:
Angle determination unit, for according to a series of described point to coordinate, determine the angle value that described electronics circular arc is corresponding.
Concrete, according to the initial point of series of points centering to (point corresponding when electromagnetism compasses fall within display screen to) and current point to the point of the current correspondence of electromagnetism compasses (to), electromagnetism compasses can be calculated and rotate current the streaked angle of pin, i.e. the angle value of the current correspondence of electronics circular arc drawn by electromagnetism compasses.
Further, observe for the ease of user, the angle value calculated can be presented on the display screen of electric terminal in real time, preferably, as shown in Figure 1, be presented near the center of circle.
In practical application, above-mentioned electric terminal can be realized by intelligent terminals such as panel computer, notebook computer, electric paper books.And electronic compass module wherein in actual applications, all can realize by being arranged in the central processing unit (CPU) of electric terminal, microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA).
The method of work of a kind of electronic compass system that the embodiment of the present invention provides, described method comprises:
When electromagnetism compasses as above are placed on the display screen of electric terminal as above, described electric terminal responds to the electromagnetism point in described electromagnetism compasses, according to the positional information of described electromagnetism point, determine that described electromagnetism compasses operate corresponding to the compasses of system coordinate system.
Further, in above-mentioned method of work, the described positional information according to described electromagnetism point, determine that described electromagnetism compasses comprise corresponding to the compasses operation of system coordinate system:
The electromagnetism point of resolving two foot points in described electromagnetism compasses according to the positional information of electromagnetism point corresponds to the point of system coordinate system to coordinate;
According to a series of described point to coordinate, determine the electronics circular arc corresponding to the operation of picture circular arc.
Further, in above-mentioned method of work, described determine described electromagnetism compasses correspond to system coordinate system compasses operation also comprise:
According to described point to coordinate, determine the distance between current electromagnetic compasses two underfooting ends.
Further, in above-mentioned method of work, described determine described electromagnetism compasses correspond to system coordinate system compasses operation also comprise:
According to a series of described point to coordinate, determine the angle value that described electronics circular arc is corresponding.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of hardware embodiment, software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Again illustrate; the foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; such as the be combineding with each other of technical characteristic between each embodiment; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an electronic compass system, is characterized in that, described system comprises: electromagnetism compasses and electric terminal; Wherein,
Electromagnetism compasses comprise class compasses parts, and described class compasses parts comprise two pin, upper end thereof, and lower end can arbitrarily separate or close up, and to adjust the size of painted arc radius, are respectively furnished with an electromagnetism point at the lower extreme point place of described two pin;
Electric terminal, for the electromagnetism point of inductive electromagnetic compasses, according to the positional information of described electromagnetism point, determines that described electromagnetism compasses operate corresponding to the compasses of system coordinate system.
2. the electromagnetism compasses of an electronic compass system, it is characterized in that, described electromagnetism compasses comprise class compasses parts, described class compasses parts comprise two pin, upper end thereof, lower end can arbitrarily separate or close up, and to adjust the size of painted arc radius, is respectively furnished with an electromagnetism point at the lower extreme point place of described two pin.
3. electromagnetism compasses according to claim 2, is characterized in that, have at least the lower extreme point of a pin to comprise anti-skidding material in described class compasses parts.
4. an electric terminal for electronic compass system, is characterized in that, described terminal comprises: electromagnetic induction coil substrate, electronic compass module and display screen; Wherein,
Electromagnetic induction coil substrate is positioned at below described display screen, for the positional information on inductive electromagnetic compasses summit;
Electronic compass module, the electromagnetism point for resolving two foot points in described electromagnetism compasses according to described positional information corresponds to the point of system coordinate system to coordinate, determines that described electromagnetism compasses operate corresponding to the compasses of system coordinate system according to described point to coordinate;
Display screen, for showing the operating result of described compasses operation.
5. electric terminal according to claim 4, it is characterized in that, described electromagnetic induction coil substrate comprises a cage circuit, and each point of crossing in described cage circuit is furnished with an electromagnetic induction unit, and electromagnetic induction unit is for responding near this point of crossing whether have electromagnetism point.
6. electric terminal according to claim 4, is characterized in that, described electronic compass module comprises:
Coordinate resolution unit, the electromagnetism point for resolving two foot points in described electromagnetism compasses according to the positional information of electromagnetism point corresponds to the point of system coordinate system to coordinate;
Arc drafting unit, for according to a series of described point to coordinate, determine picture circular arc operation corresponding to electronics circular arc.
7. electric terminal according to claim 4, is characterized in that, described electronic compass module also comprises:
Distance determining unit, for according to described point to coordinate, determine the distance between current electromagnetic compasses two underfooting ends.
8. electric terminal according to claim 6, is characterized in that, described electronic compass module also comprises:
Angle determination unit, for according to a series of described point to coordinate, determine the angle value that described electronics circular arc is corresponding.
9. a method of work for electronic compass system, is characterized in that, described method comprises:
When the electromagnetism compasses according to Claims 2 or 3 are placed on the display screen of the electric terminal according to any one of claim 4 to 8, described electric terminal responds to the electromagnetism point in described electromagnetism compasses, according to the positional information of described electromagnetism point, determine that described electromagnetism compasses operate corresponding to the compasses of system coordinate system.
10. method of work according to claim 7, is characterized in that, the described positional information according to described electromagnetism point, determines that described electromagnetism compasses comprise corresponding to the compasses operation of system coordinate system:
The electromagnetism point of resolving two foot points in described electromagnetism compasses according to the positional information of electromagnetism point corresponds to the point of system coordinate system to coordinate;
According to a series of described point to coordinate, determine the electronics circular arc corresponding to the operation of picture circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511017218.9A CN105513437B (en) | 2015-12-29 | 2015-12-29 | A kind of electronic compass system and its working method and building block |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511017218.9A CN105513437B (en) | 2015-12-29 | 2015-12-29 | A kind of electronic compass system and its working method and building block |
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| CN105513437A true CN105513437A (en) | 2016-04-20 |
| CN105513437B CN105513437B (en) | 2019-04-19 |
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| CN112306291A (en) * | 2020-10-23 | 2021-02-02 | 广州朗国电子科技有限公司 | Method for realizing teaching tool of electronic teaching drawing board and storage medium |
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| CN105513437B (en) | 2019-04-19 |
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