CN107062995A - A kind of targets for arrow device of automatic calculating archery number of rings - Google Patents
A kind of targets for arrow device of automatic calculating archery number of rings Download PDFInfo
- Publication number
- CN107062995A CN107062995A CN201710241946.0A CN201710241946A CN107062995A CN 107062995 A CN107062995 A CN 107062995A CN 201710241946 A CN201710241946 A CN 201710241946A CN 107062995 A CN107062995 A CN 107062995A
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- arrow
- rings
- targets
- circular annular
- conductive layer
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J3/00—Targets for arrows or darts, e.g. for sporting or amusement purposes
- F41J3/0004—Archery targets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/04—Electric hit-indicating systems; Detecting hits by actuation of electric contacts or switches
- F41J5/044—Targets having two or more electrically-conductive layers for short- circuiting by penetrating projectiles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
A kind of targets for arrow device of automatic calculating archery number of rings, belongs to sports and amusement health-care facilities, the problem of target disc subregion that solution existing apparatus is present is more, manufacturing cost is higher.The present invention includes target disc, measuring circuit and report ring module, target disc is made up of upper conductive layer, insulating barrier and lower conductiving layer, upper conductive layer surface is divided into 10 concentrically nested circular annular regions, and shape, the size of lower conductiving layer are identical with upper conductive layer, but surface is overall；Measuring circuit includes dc source and signal processing module, the pole of dc source one connects lower conductiving layer, another pole connection signal processing module of dc source, 10 circular annular regions of upper conductive layer are connected by wire input port different from signal processing module respectively；Signal processing module obtains and handles the electric signal from target disc, by the signal output after processing to report ring module.Manufacturing cost reduction of the present invention, the number of rings of archery can be recognized exactly and is reported automatically, is adapted to be promoted in common target range.
Description
Technical field
The invention belongs to sports and amusement health-care facilities, and in particular to a kind of targets for arrow device of automatic calculating archery number of rings.
Background technology
With the continuous improvement of people's living standards, people increasingly pay attention to for healthy, therefore physical fitness is lived
It is dynamic increasingly to be liked by masses.Archery can not only reach the purpose of body-building, be also used as a kind of amusement and leisure and competing
The project of skill physical culture, thus many countries all popularize to this motion at present.It is right with the popularization of this motion
The demand of targets for arrow and requirement are also gradually stepped up.
Conventional targets for arrow, is often placed on apart from the place of ejaculator's certain distance, shoots after terminating by special
Staff's survey measurements and the number of rings for recording archery；This working method is not only expended than larger manpower and materials, and
Inefficiency.It is therefore desirable to improve targets for arrow and meter ring mode, to realize ring in terms of automatically.It is existing to be automatically positioned identification indication of shots master
Mode is wanted to have：1) photoelectricity automatic target-indicating；2) sonac indication of shots；3) electronic sensor indication of shots；4) image recognition indication of shots etc..This
A little automatic target-indicating technical sophistications, and price is costly, is not suitable for general target range archery occasion, that is, is unfavorable for common
Target range popularization and application.In this regard, we need a kind of new economical automatic meter ring targets for arrow device.
Publication number CN103644777A Chinese patent application describes a kind of boomerang apparatus with automatic score device, its
The cardinal principle for realizing automatic score is that target disc wire netting is divided into 82 subregions, then wire netting and processor, low-tension supply
Connection, when dartlike weapon hits target disc, processor detects coherent signal, then judges and then obtains number of rings, and is shown.Should
In apparatus, the number of partitions of target disc is more, and the induced electromotive force that is produced after measurement archery in target disc judges the ring hit
Number so that the manufacturing cost of the apparatus is higher, and manufacturing process is complex.
The content of the invention
The present invention provides the targets for arrow device that number of rings is shot an arrow in a kind of automatic calculating, solve target disc subregion that existing apparatus is present compared with
It is many, the problem of manufacturing cost is higher, in favor of the popularization of archery.
A kind of targets for arrow device of automatic calculating archery number of rings provided by the present invention, including target disc, measuring circuit and report ring
Module；It is characterized in that：
The target disc is made up of upper conductive layer, insulating barrier and lower conductiving layer successively from top to bottom, the upper conductive layer surface
Specification according to existing target sheet is divided into 10 concentric circular annular regions nested successively, from outside to inside respectively 1,2,3,4,5,
6th, 7,8,9,10 ring, each circular annular region is insulated from each other and each draws a wire respectively；
Shape, the size of the lower conductiving layer are identical with upper conductive layer, but surface is overall, it is not necessary to be divided into nested successively
Circular annular region；
The measuring circuit includes dc source and signal processing module, and the pole of dc source one connects target disc by wire
Lower conductiving layer, another pole of dc source connects signal processing module, 10 annulus of the upper conductive layer of the target disc by wire
Shape region is connected by wire input port different from signal processing module respectively；
The signal processing module obtains and handles the electric signal from target disc, by the signal output after processing to reporting ring
Module；
It is described report ring module be made up of display device or speech play device, realize hit number of rings digital screen show or
Person's voice broadcast.
The targets for arrow device of described automatic calculating archery number of rings, it is characterised in that：
The signal processing module is defeated comprising A/D modular converters, code performing module, D/A modular converters and multiple inputs
The quantity of exit port, wherein input port is no less than 10, with ensure wire that 10 circular annular regions draw with it is respective corresponding
Input port be attached；
A/D modular converters and multiple input ports connection, gathers the analog voltage letter on multiple input ports successively
Number, convert thereof into digital voltage value；
The code performing module reads the digital voltage value U for each input port that A/D modular converters are senti, record
Its corresponding relation with input port, and by UiWith the magnitude of voltage U of the dc source S4 in measuring circuit0It is compared, judgement is
No Ui≤0.5U0, it is to judge that arrow mishits targets for arrow, it is 0 to hit number of rings；Otherwise according to UiCorresponding input port, it is determined that penetrating
Middle number of rings；Then number of rings will be hit and deliver to D/A modular converters, analog signal is converted to, report ring module is delivered to by output port；
When occurring after arrow hits targets for arrow just between two circular annular regions, U corresponding with two input portsi
It is all higher than 0.5U0, then with the less input port of correspondence number of rings, it is determined that hitting number of rings.
The targets for arrow device of described automatic calculating archery number of rings, it is characterised in that：
The gross thickness of the upper conductive layer, lower conductiving layer and insulating barrier is less than the length of shooting arrow arrow, each thickness degree
For 1mm~30mm, to ensure that arrow can be shot through target disc；
The thickness of insulating layer is more than or equal to shooting arrow arrow diameter, to avoid between upper conductive layer and lower conductiving layer
Gap it is too small, cause that arrow hits after targets for arrow conductive layer and lower conductiving layer directly contacts conducting, influence is subsequently to hitting ring
Several analyses and report.
The targets for arrow device of described automatic calculating archery number of rings, it is characterised in that：
The upper conductive layer is made up of conductive material grid or conductive film, and its surface is according to concentric circular annular region
Cut, insulating materials is coated with along cutting track, to prevent contacing by mistake between different annular shape region after cutting, so that
To insulation independent of one another, nested 10 concentric circular annular regions successively；
Insulative material region width between each circular annular region is equal with the diameter of section of arrow arrow with shooting, with
Arrow is avoided the occurrence of to hit after targets for arrow while contacting with two circular annular regions and arrow is hit and is completely in two after targets for arrow
The situation of insulative material region between circular annular region, so as to ensure the normal work of automatic targets for arrow of scoring a target.
When the upper conductive layer is made up of conductive material grid, conductive material grid is aligned with the cross-section center of arrow
When, there is linear contact lay between the two, to ensure that arrow enables to turn between upper conductive layer and lower conductiving layer after hitting targets for arrow.
To avoid upper and lower conductive layer by external environmental interference, and ensure the attractive in appearance, it is necessary to use annular gap pair of target disc
Upper and lower conductive layer is packaged, it is to avoid it is directly exposed in air, influences service behaviour.
In use, target disc, can be pasted onto in substrate by the general structure in order to maintain target disc.
When arrow inject target disc, fall in some circular annular region, puncture targets for arrow conductive layer and with after insulating barrier, due to
The connection of metal arrow, it will so that the corresponding circular annular region of upper conductive layer and lower conductiving layer of target disc are turned in a short time.
10 input ports of signal processing module correspond to 10 circular annular regions on targets for arrow respectively, according to input port and targets for arrow annular
The one-to-one relationship in region, signal processing module can be determined to hit number of rings, and the signal for determining number of rings is passed through into D/A moduluss of conversion
Block, which is converted to report ring module, can recognize and receive the signal of execution, be transferred to by output port in report ring module, report ring mould
Signal is identified block, and then the report ring component in drive module carries out report ring.The mode of report ring is broadly divided into digital screen display
Show and voice broadcast two ways.
For digital screen display mode, due to needing ten kinds of number of rings situations such as display 01,02,03......, 10, so letter
In number processing module, first define different displays numeral (01,02,03 ... the corresponding charactron lighted when 10), it is not right
The charactron answered then is in OFF state.Signal processing module determines after the number of rings that arrow is hit that digital screen, which is determined, to be needed to show
The numeral shown, by display numeral and the corresponding states of charactron light on and off defined, will hit the data signal of number of rings
The corresponding digital coding drive signal of charactrons different in digital screen is converted into by D/A modular converters, by digital coding
Drive signal is driven by I/O port transmissions to digital display screen, digital display screen by signal, and corresponding charactron is bright, from
And show corresponding numeral, that is, hit number of rings.
For voice broadcasting modes, digital signal decoding is usual by the D/A modular converters included in signal processing module
Analog signal, eventually through speech play device play.
Compared with CN103644777A patent applications, the situation that target is shot through during present invention is generally directed to shoot an arrow, this is to penetrate
Normality during arrow, the expectation of shooting personnel can be met to the full extent, meet shooting custom.Moreover, of the invention
There is also significant difference, CN103644777A patents with CN103644777A patent applications for the automatic meter ring principle used
Induced electromotive force can be produced between the metal level inside target when mainly being hit the target in application using arrow, by measuring induced electricity
Kinetic potential, and then the number of rings that determination is hit；It is of the invention then be to cause circuit by being not turned on the change of conducting after arrow hits the target, enter
And cause signal processing module in circuit to obtain high level signal, the port number inputted according to high level signal, so that it is determined that by
The region hit, and then the number of rings that determination is hit.And the targets for arrow of the present invention is relatively thin, conductive layer is encapsulated using viscoelastic material,
It can be torn off easily with target disc adhesion, so as to improve operating efficiency.The external measuring circuit and report ring module of the present invention can
To reuse, it might even be possible to which one group of device is connected with multiple targets for arrows, service efficiency can be improved, synthesis reduces cost.
With existing photoelectricity automatic target-indicating, sonac indication of shots, electronic sensor indication of shots and image recognition indication of shots etc.
Automatic meter loop system is compared, manufacturing cost reduction of the present invention, and the number of rings of archery can be recognized exactly and is broadcast automatically
Report, precision can reach the meter ring demand in general target range, can be used in most target range, therefore be adapted to common
Target range is promoted, and occasion is trained for amusement and leisure and daily sports.
Brief description of the drawings
Fig. 1 is targets for arrow schematic cross-section；
Fig. 2 is targets for arrow subregion schematic diagram；
Fig. 3 is the fundamental diagram that targets for arrow counts ring automatically；
Fig. 4 is the schematic diagram of conductive layer consistency；
Fig. 5 is that targets for arrow counts ring overall workflow schematic diagram automatically.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
The present invention includes target disc, measuring circuit and report ring module；
As shown in figure 1, the target disc is made up of upper conductive layer M1, insulating barrier M3 and lower conductiving layer M2 successively from top to bottom,
As shown in Fig. 2 the upper conductive layer M1 surfaces are divided into 10 concentric annulars nested successively according to the specification of existing target sheet
Region, from outside to inside respectively 1,2,3,4,5,6,7,8,9,10 rings, each circular annular region is insulated from each other and each draws respectively
One wire；
Shape, the size of the lower conductiving layer M2 is identical with upper conductive layer M1, but surface is overall, it is not necessary to be divided into embedding successively
The circular annular region of set；
As shown in figure 3, the measuring circuit includes dc source S4 and signal processing module S3, dc source S4 mono- extremely leads to
The lower conductiving layer M2 that wire connects target disc is crossed, another poles of dc source S4 connect signal processing module S3, the target by wire
The upper conductive layer M1 of disk 10 circular annular regions are connected by wire input port different from signal processing module S3's respectively
Connect；
The signal processing module obtains and handles the electric signal from target disc, by the signal output after processing to reporting ring
Module；
The report ring module S5 is made up of display device or speech play device, realizes that the digital screen for hitting number of rings is shown
Or voice broadcast.
As one embodiment, the upper conductive layer M1, lower conductiving layer M2 and insulating barrier M3 gross thickness are 10mm, are less than
The length 25mm of shooting arrow arrow, each thickness degree is 1mm, 8mm, 1mm, to ensure that arrow can be shot through target disc；
Thickness of insulating layer position 8mm, more than or equal to shooting arrow arrow diameter 4mm, with avoid upper conductive layer M1 and
Gap between lower conductiving layer M2 is too small, causes arrow to hit upper conductive layer M1 and lower conductiving layer M2 directly contacts after targets for arrow and leads
It is logical, the follow-up analysis and report to hitting number of rings of influence.
The upper conductive layer M1 is made up of conductive material grid, and its surface is cut according to concentric circular annular region,
Insulating materials is coated with along cutting track, to prevent contacing by mistake between different annular shape region after cutting, so as to obtain only each other
10 concentric circular annular regions of vertical insulation, successively nesting；
Insulative material region width between each circular annular region is equal with the diameter of section of arrow arrow with shooting, with
Arrow is avoided the occurrence of to hit after targets for arrow while contacting with two circular annular regions and arrow is hit and is completely in two after targets for arrow
The situation of insulative material region between circular annular region, so as to ensure the normal work of automatic targets for arrow of scoring a target.
As shown in figure 4, when conductive material grid 5 is aligned with the center of cross section 4 of arrow, there is line between the two and connect
Touch, to ensure that arrow enables to turn between upper conductive layer M1 and lower conductiving layer M2 after hitting targets for arrow.
In the present embodiment, the signal processing module in measuring circuit uses single chip computer AT mega32, and it includes A/D moduluss of conversion
Block, code performing module, D/A modular converters and 32 I/O ports, report ring module take number screen display mode.
As shown in figure 5, being comprised the following steps using embodiment work：
The first step：The automatic connection of meter ring targets for arrow device and energization：
Turn on the electricity, powered by constant voltage source S4 as shown in Figure 3, power supply one terminates metal level M2, the other end and single-chip microcomputer
It is connected, wire netting compartment M1 10 subregions draw a wire respectively, and the wire of extraction is outer with 10 of single-chip microcomputer respectively
Connect input port to be connected, carry out sound in the program that the wire of extraction and the one-to-one relationship of input port will be in single-chip microcomputers
Bright, the output port of single-chip microcomputer is connected by wire with digitron display screen S5.
Now due to there is insulating barrier between wire netting compartment M1 and metal level M2, so circuit and not turning on, in disconnected
Open state.
Second step：Archery：
Shooting personnel start shooting, and arrow is shot through between the wire netting compartment M1 in target disc and metal level M2 and M1 and M2
Insulating barrier M3, just calculates effective fire, arrow falls outside target or arrow only slightly touch situations such as dropping after target belong to it is invalid
Shooting, disregards ring.
3rd step：Measurement processing simultaneously determines to hit number of rings：
Because wire netting compartment M1 and metal level M2 and insulating barrier M3 are than relatively thin, arrow is generally possible to be shot through metal
Clathrum M1, insulating barrier M3 and metal level M2, and arrow is metal material, therefore when arrow passes through metal grill, metal system
Arrow cause between wire netting compartment M1 and metal level M2 turn on.A/D modular converters in single-chip microcomputer are gathered and target disc successively
Analog voltage signal on the input port of connection, converts thereof into digital voltage value, and code performing module reads A/D moduluss of conversion
The digital voltage value U for each input port that block is senti, record its corresponding relation with input port, and by UiWith measuring circuit
In dc source S4 magnitude of voltage U0It is compared, judges whether Ui≤0.5U0, it is to judge that arrow mishits targets for arrow, hits
Number of rings is 0；Otherwise according to UiCorresponding input port, it is determined that hitting number of rings；Then number of rings will be hit and deliver to D/A modular converters,
Analog signal is converted to, report ring module is delivered to by output port；
When occurring after arrow hits targets for arrow just between two circular annular regions, U corresponding with two input portsi
It is all higher than 0.5U0, then with the less input port of correspondence number of rings, it is determined that hitting number of rings.
4th step：Digital screen, which is shown, hits number of rings.
After the number of rings that single-chip microcomputer determination is hit, due to needing ten kinds of number of rings situations such as display 01,02,03......, 10, institute
To need two charactrons to carry out digital-scroll technique, the two digits of display number of rings are corresponded to respectively.Include seven in each charactron
Segment numeral pipe, to seven segment digital tubes number consecutively, then in single-chip microcomputer, first define different displays numeral (01,02,
03 ... two row charactrons are respectively necessary for the numbering for the charactron section lighted when 10), determine after section numbering, just can be with
Obtain the corresponding relation that numeral method numeral controls coding with section.
Single-chip microcomputer is determined after the number of rings that arrow is hit, that is, the numeral that digital screen needs to show is determined, by having defined
Display numeral and the corresponding relation of the section of charactron control coding, and then determine the charactron section that needs to light.
It will determine to need the charactron signal lighted to pass through I/O port transmissions to digitron display screen S5, numeral method
Screen S5 is driven by signal, and corresponding charactron section is lit, so as to show corresponding numeral, that is, hits number of rings.
Claims (5)
- The targets for arrow device of number of rings 1. a kind of automatic calculating is shot an arrow, including target disc, measuring circuit and report ring module；It is characterized in that：The target disc is made up of upper conductive layer (M1), insulating barrier (M3) and lower conductiving layer (M2) successively from top to bottom, it is described on lead Electric layer (M1) surface is divided into 10 concentric circular annular regions nested successively according to the specification of existing target sheet, distinguishes from outside to inside For 1,2,3,4,5,6,7,8,9,10 rings, each circular annular region is insulated from each other and each draws a wire respectively；The shape of the lower conductiving layer (M2), size and upper conductive layer (M1) are identical, but surface is overall, it is not necessary to be divided into embedding successively The circular annular region of set；The measuring circuit includes dc source (S4) and signal processing module (S3), and the pole of dc source (S4) one is connected by wire The lower conductiving layer (M2) of target disc is connect, dc source (S4) another pole connects signal processing module (S3), the target disc by wire 10 circular annular regions of upper conductive layer (M1) pass through wire input port phase different from signal processing module (S3) respectively Connection；The signal processing module (S3) obtains and handles the electric signal from target disc, by the signal output after processing to reporting ring Module；It is described report ring module (S5) be made up of display device or speech play device, realize hit number of rings digital screen show or Person's voice broadcast.
- 2. the automatic targets for arrow device for calculating archery number of rings as claimed in claim 1, it is characterised in that：The signal processing module (S3) is defeated comprising A/D modular converters, code performing module, D/A modular converters and multiple inputs The quantity of exit port, wherein input port is no less than 10, with ensure wire that 10 circular annular regions draw with it is respective corresponding Input port be attached；A/D modular converters and multiple input ports connection, gathers the analog voltage signal on multiple input ports successively, will It is converted into digital voltage value；The code performing module reads the digital voltage value U for each input port that A/D modular converters are senti, record its with it is defeated The corresponding relation of inbound port, and by UiWith the magnitude of voltage U of the dc source S4 in measuring circuit0It is compared, judges whether Ui≤ 0.5U0, it is to judge that arrow mishits targets for arrow, it is 0 to hit number of rings；Otherwise according to UiCorresponding input port, it is determined that hitting ring Number；Then number of rings will be hit and deliver to D/A modular converters, analog signal is converted to, report ring module is delivered to by output port；When occurring after arrow hits targets for arrow just between two circular annular regions, U corresponding with two input portsiIt is big In 0.5U0, then with the less input port of correspondence number of rings, it is determined that hitting number of rings.
- 3. the automatic targets for arrow device for calculating archery number of rings as claimed in claim 1 or 2, it is characterised in that：The gross thickness of the upper conductive layer (M1), lower conductiving layer (M2) and insulating barrier (M3) is less than the length of shooting arrow arrow, Each thickness degree is 1mm~30mm, to ensure that arrow can be shot through target disc；The thickness of insulating layer is more than or equal to shooting arrow arrow diameter, to avoid upper conductive layer (M1) and lower conductiving layer (M2) Between gap it is too small, cause arrow to hit after targets for arrow the directly contact conducting of conductive layer (M1) and lower conductiving layer (M2), influence Follow-up analysis and report to hitting number of rings.
- 4. the automatic targets for arrow device for calculating archery number of rings as claimed in claim 1 or 2, it is characterised in that：The upper conductive layer (M1) is made up of conductive material grid or conductive film, and its surface is according to concentric circular annular region Cut, insulating materials is coated with along cutting track, to prevent contacing by mistake between different annular shape region after cutting, so that To insulation independent of one another, nested 10 concentric circular annular regions successively；Insulative material region width between each circular annular region is equal with the diameter of section of arrow arrow with shooting, to avoid There is arrow to hit after targets for arrow while contacting with two circular annular regions and arrow is hit and is completely in two annulus after targets for arrow The situation of insulative material region between shape region, so as to ensure the normal work of automatic targets for arrow of scoring a target.
- 5. the automatic targets for arrow device for calculating archery number of rings as claimed in claim 3, it is characterised in that：The upper conductive layer (M1) is made up of conductive material grid or conductive film, and its surface is according to concentric circular annular region Cut, insulating materials is coated with along cutting track, to prevent contacing by mistake between different annular shape region after cutting, so that To insulation independent of one another, nested 10 concentric circular annular regions successively；Insulative material region width between each circular annular region is equal with the diameter of section of arrow arrow with shooting, to avoid There is arrow to hit after targets for arrow while contacting with two circular annular regions and arrow is hit and is completely in two annulus after targets for arrow The situation of insulative material region between shape region, so as to ensure the normal work of automatic targets for arrow of scoring a target.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710241946.0A CN107062995B (en) | 2017-04-13 | 2017-04-13 | A kind of targets for arrow device of automatic calculating archery number of rings |
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|---|---|---|---|
| CN201710241946.0A CN107062995B (en) | 2017-04-13 | 2017-04-13 | A kind of targets for arrow device of automatic calculating archery number of rings |
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| CN107062995B CN107062995B (en) | 2018-09-25 |
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Cited By (4)
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| CN110425938A (en) * | 2019-08-26 | 2019-11-08 | 北京大能小飞科技有限责任公司 | A kind of electronics Circular Ring Targets, hit telling system and shooting result processing method |
| CN111998731A (en) * | 2020-06-19 | 2020-11-27 | 江苏大学 | Arrow target ring number detection device based on friction electrification of super-elastomer material |
| CN112046801A (en) * | 2020-09-08 | 2020-12-08 | 沈阳理工大学 | Electrified surface simulation circuit and system for space debris impacting spacecraft |
| CN115239795A (en) * | 2022-09-23 | 2022-10-25 | 山东工程职业技术大学 | Archery target ring hit position ring recording detection method, detection device and electronic equipment |
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| CN110425938A (en) * | 2019-08-26 | 2019-11-08 | 北京大能小飞科技有限责任公司 | A kind of electronics Circular Ring Targets, hit telling system and shooting result processing method |
| CN110425938B (en) * | 2019-08-26 | 2024-05-14 | 北京大能小飞科技有限责任公司 | Electronic circular target, target reporting system and shooting result processing method |
| CN111998731A (en) * | 2020-06-19 | 2020-11-27 | 江苏大学 | Arrow target ring number detection device based on friction electrification of super-elastomer material |
| CN111998731B (en) * | 2020-06-19 | 2023-08-18 | 江苏大学 | Rocket target ring number detection device based on friction electrification of super-elastomer material |
| CN112046801A (en) * | 2020-09-08 | 2020-12-08 | 沈阳理工大学 | Electrified surface simulation circuit and system for space debris impacting spacecraft |
| CN115239795A (en) * | 2022-09-23 | 2022-10-25 | 山东工程职业技术大学 | Archery target ring hit position ring recording detection method, detection device and electronic equipment |
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| CN107062995B (en) | 2018-09-25 |
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