CN103884430B - Infrared device installation criterion validity method and installation criterion validity system - Google Patents
Infrared device installation criterion validity method and installation criterion validity system Download PDFInfo
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- CN103884430B CN103884430B CN201210556739.1A CN201210556739A CN103884430B CN 103884430 B CN103884430 B CN 103884430B CN 201210556739 A CN201210556739 A CN 201210556739A CN 103884430 B CN103884430 B CN 103884430B
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Abstract
The invention provides an infrared device installation criterion validity method and installation criterion validity system for solving the problem of the way to ensuring that the infrared device can accurately aim a target when the installation structure of the infrared device is fixed. The method comprises the following steps: the step one in which the infrared device is installed on a cylindrical component and a mechanical aiming tool of the cylindrical component is opened; the step two in which the mechanical aiming tool of the cylindrical component is used to aim a fixed target; the step three in which an infrared image of the target is acquired through the infrared device, the target is judged whether to be located at the visualization aim point of the infrared device; if the target is located at the visualization aim point of the infrared device, then the visualization aim point of the infrared device is adjusted and the process returns to the step three; and if the target is located at the visualization aim point of the infrared device, then the installation criterion validity of the infrared device is completed. According to the invention, advantages of easy operation and good operating adaptability can be realized, and aiming can be performed on the target in the field environment, and no mechanical stabilization tool is needed.
Description
Technical field
The present invention relates to technical field of measurement and test, the installation mark efficacious prescriptions method of more particularly to a kind of infrared equipment and installation mark effect
System.
Background technology
Infrared equipment is often dismountable, when infrared equipment is arranged on cartridge, needs to imitate into rower, therefore
Need those skilled in the art solve a problem be: how a kind of installation mark efficacious prescriptions method of infrared equipment is provided, to reduce
The error that infrared equipment exists when installing.
Content of the invention
The present invention provides a kind of installation mark efficacious prescriptions method of infrared equipment and installs mark effect system, to solve how to set infrared
In the case that standby mounting structure immobilizes it is ensured that infrared equipment can accurate run-home problem.
In order to solve the above problems, the invention discloses a kind of installation mark efficacious prescriptions method of infrared equipment, comprising:
Step one, infrared equipment is arranged on cartridge, and opens the iron sight of cartridge；
Step 2, the iron sight of described cartridge is aimed at the target of a fixation；
Step 3, gathers the infrared image of described target by infrared equipment, judges whether described target is located at described red
The quasi- heart of visualization of external equipment；
If described target is not at the quasi- heart of visualization of described infrared equipment, adjust the visualization of described infrared equipment
The quasi- heart, and return to step three；
If described target is located at the quasi- heart of visualization of described infrared equipment, the installation mark effect of described infrared equipment completes.
Alternatively, the target that the described iron sight by cartridge aims at a fixation includes:
Adjust the iron sight of described cartridge, make foresight, rear sight and the institute of described iron sight
State target to be located on straight line.
Alternatively, described judge the quasi- heart of visualization whether described target is located at described infrared equipment before, also include:
Judge whether described target becomes point-like on described infrared image；
If described target does not become point-like, return to step two on described infrared image；
If described target becomes point-like on described infrared image, judge whether described target is located at described infrared equipment
Visualize the quasi- heart.
Alternatively, described judge that whether described target is located at the quasi- pericardium of visualization of described infrared equipment and includes:
Quasi- for the visualization of the described infrared image and described infrared equipment heart is carried out video superimpose；
Judge described infrared equipment visualizes whether the quasi- heart is overlapped with the target in described infrared image；
If the quasi- heart that visualizes of described infrared equipment is overlapped with the target in described infrared image, described target is located at institute
State the quasi- heart of visualization of infrared equipment；
If the quasi- heart of visualization of described infrared equipment is misaligned with the target in described infrared image, described target does not have
Positioned at the quasi- heart of the visualization of described infrared equipment.
Alternatively, the optical axis axis of the target seeker of the axis of gunsight and described cartridge in front and back of described cartridge
Parallel.
The invention also discloses a kind of installation mark effect system of infrared equipment, comprising:
Module is installed, for infrared equipment is arranged on cartridge, and opens the iron sight of cartridge；
Mechanical aiming module, for aiming at by the iron sight of described cartridge at the target of a fixation；
Acquisition module, for gathering the infrared image of described target by infrared equipment；
First judge module, can for judge whether described target be located at described infrared equipment according to described infrared image
Depending on changing the quasi- heart；
Adjusting module, for be not at when described target described infrared equipment the visualization quasi- heart when, adjustment described red
The quasi- heart of visualization of external equipment；
Complete module, for be located at when described target described infrared equipment the visualization quasi- heart when, complete described infrared set
Standby installation mark effect.
Alternatively, described mechanical aiming module adjusts the iron sight of described cartridge, makes described iron sight
Foresight, rear sight and described target be located on straight line.
Alternatively, also include:
Second judge module, for judging whether described target becomes point-like on described infrared image；
Described mechanical aiming module, is additionally operable to when described target does not become point-like on described infrared image, by infrared
Equipment gathers the infrared image of described target；
Described first judge module, is additionally operable to, when described target becomes point-like on described infrared image, judge described mesh
Whether mark is located at the quasi- heart of visualization of described infrared equipment.
Alternatively, described first judge module includes:
Superposition submodule, for carrying out video superimpose by quasi- for the visualization of the described infrared image and described infrared equipment heart；
Judging submodule, for judge described infrared equipment visualize the quasi- heart whether with described infrared image in target
Overlap.
Compared with prior art, the present invention includes advantages below:
The present embodiment passes through the iron sight of described cartridge aims at the target of a fixation, and target seeker can enter
Row target lock-on, then gathers the infrared image of described target by infrared equipment, and adjusts the quasi- heart of the visualization of infrared equipment,
Till target is located at the quasi- heart of visualization of described infrared equipment, because now iron sight is also run-home, and
Before and after iron sight, the optical axis diameter parallel of the target seeker of the axis of gunsight and described cartridge, therefore at this time red
The optical axis diameter parallel visualizing the quasi- heart also just same target seeker with described cartridge of external equipment, that is, now infrared sets
Standby can accurately run-home.The installation mark efficacious prescriptions method of above-mentioned infrared equipment, simple to operate and operational suitability is strong, can be out of office
Under external environment, target is aimed at, without mechanically stable.
Brief description
Fig. 1 is a kind of flow chart of the installation mark efficacious prescriptions method of infrared equipment of the embodiment of the present invention；
Fig. 2 is the flow chart of the installation mark efficacious prescriptions method of embodiment of the present invention another kind infrared equipment；
Fig. 3 is a kind of structured flowchart of the installation mark effect system of infrared equipment of the embodiment of the present invention；
Fig. 4 is the structured flowchart of the installation mark effect system of embodiment of the present invention another kind infrared equipment.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings and specifically real
The present invention is further detailed explanation to apply mode.
Embodiment one:
With reference to Fig. 1, the flow chart showing a kind of installation mark efficacious prescriptions method of infrared equipment of the present invention, the present embodiment specifically may be used
To comprise the following steps:
Step 100, infrared equipment is arranged on cartridge, and opens the iron sight of cartridge；
After infrared equipment being arranged on cartridge and opening the iron sight of cartridge, due to cartridge
On iron sight is installed in itself, thus shooter can by the iron sight on described infrared equipment and cartridge with
When object observing.
Step 102, the iron sight of described cartridge is aimed at the target of a fixation；
The target of the fixation of a distant place can be selected in the present embodiment, facilitate cartridge to pass through iron sight stable
Run-home.Select the target of a fixation, for the target changing, iron sight can easier aim at.
Step 104, gathers the infrared image of described target by infrared equipment, judges whether described target is located at described red
The quasi- heart of visualization of external equipment；
Gather the infrared figure of the target that in described step 102, iron sight is aimed at by infrared equipment in the present embodiment
Picture, can pass through to judge in gathered infrared image, whether the quasi- heart of visualization of described target and described infrared equipment overlaps,
To judge whether described target is located at the quasi- heart of visualization of described infrared equipment.If described target is not at described infrared equipment
The quasi- heart of visualization, enter step 106；If described target is located at the quasi- heart of visualization of described infrared equipment, enter step
108, the installation mark effect of described infrared equipment completes.
Step 106, adjusts the quasi- heart of visualization of described infrared equipment, and return to step 104；
When described target is not at the quasi- heart of visualization of described infrared equipment, illustrate in iron sight run-home
In the case of, described infrared equipment does not aim at described target it is therefore desirable to adjust the quasi- heart of visualization of described infrared equipment,
After the visualization quasi- heart adjustment of infrared equipment, need the infrared image of return to step 104 Resurvey target, because step
In 102 selected be a fixation target, thus now iron sight or run-home, mechanical aiming need not be adjusted
Tool, it is only necessary to gather the infrared image of described target again through infrared equipment, then judges whether described target is located at adjustment
The quasi- heart of visualization of infrared equipment afterwards, that is, re-execute step 104.
Step 108, the installation mark effect of described infrared equipment completes.
When described target is located at the quasi- heart of visualization of described infrared equipment, the feelings in iron sight run-home are described
Under condition, now infrared equipment has equally aimed at target.
It should be noted that the present embodiment carries out to described infrared equipment installing mark effect, it is in order to can by infrared equipment
With accurate run-home.Because iron sight is integrally fixed on cartridge, when dispatching from the factory, mark was carried out by producer
Fixed, thus iron sight can accurately run-home, and described cartridge before and after the axis of gunsight and described cylinder
The optical axis diameter parallel of the target seeker of shape part.The present invention in order to realize accurate run-home under the adverse circumstances such as field,
Need to make the optical axis diameter parallel visualizing the quasi- heart and the target seeker of portable air defense of described infrared equipment.
The present embodiment passes through the iron sight of described cartridge aims at the target of a fixation, and target seeker can enter
Row target lock-on, then gathers the infrared image of described target by infrared equipment, and adjusts the quasi- heart of the visualization of infrared equipment,
Till target is located at the quasi- heart of visualization of described infrared equipment, because now iron sight is also run-home, and
Before and after iron sight, the optical axis diameter parallel of the target seeker of the axis of gunsight and described cartridge, therefore at this time red
The optical axis diameter parallel visualizing the quasi- heart also just same target seeker with described cartridge of external equipment, that is, now infrared sets
Standby can accurately run-home.
Embodiment two:
With reference to Fig. 2, the flow chart showing the installation mark efficacious prescriptions method of present invention another kind infrared equipment, the present embodiment is concrete
May comprise steps of:
Step 200, infrared equipment is arranged on cartridge, and opens the iron sight of cartridge；
After infrared equipment being arranged on cartridge and opening the iron sight of cartridge, due to cartridge
On iron sight is installed in itself, thus shooter can by the iron sight on described infrared equipment and cartridge with
When object observing.
Step 202, the iron sight of described cartridge is aimed at the target of a fixation；
The target of the fixation of a distant place can be selected in the present embodiment, facilitate cartridge to pass through iron sight stable
Run-home.Select the target of a fixation, for the target changing, iron sight can easier aim at.
Specifically, the iron sight of described cartridge can be adjusted, make described iron sight foresight, after
Gunsight and described target are located on straight line.Iron sight run-home uses the principle of " sight alignment ", institute
When front gun sight, rear sight and 3 points of the described target stating iron sight is on straight line, just illustrate now
The iron sight of cartridge has aimed at target.
Step 204, gathers the infrared image of described target by infrared equipment, judges described target in described infrared image
On whether become point-like；
If described target does not become point-like, return to step 202 on described infrared image；
If described target becomes point-like on described infrared image, execution step 206 judges whether described target is located at institute
State the quasi- heart of visualization of infrared equipment.
It should be noted that selecting the target of distant place in the present embodiment, it is in order to preferably infrared equipment is entered with rower effect,
Because the target of distant place is in point-like on infrared equipment, judge whether target image is located at the visualization standard of described infrared equipment
The heart, because visualizing the cross point that the quasi- heart is cross wire, if target is nearer, present on infrared equipment is not just one
Individual, but one piece of area, thus cannot accurately judge whether target is located at the quasi- heart of visualization of infrared equipment.
Step 206, judges whether described target is located at the quasi- heart of visualization of described infrared equipment；
Gather the infrared figure of the target that in described step 202, iron sight is aimed at by infrared equipment in the present embodiment
Picture, can pass through to judge in gathered infrared image, whether the quasi- heart of visualization of described target and described infrared equipment overlaps,
To judge whether described target is located at the quasi- heart of visualization of described infrared equipment.If described target is not at described infrared equipment
The quasi- heart of visualization, enter step 208；If described target is located at the quasi- heart of visualization of described infrared equipment, enter step
210, the installation mark effect of described infrared equipment completes.
It should be noted that it is described red specifically can to judge in the present embodiment whether described target is located in the following ways
The quasi- heart of visualization of external equipment:
First, quasi- for the visualization of the described infrared image and described infrared equipment heart is carried out video superimpose；
Then, judge described infrared equipment visualizes whether the quasi- heart is overlapped with the target in described infrared image；
If the quasi- heart that visualizes of described infrared equipment is overlapped with the target in described infrared image, described target is located at institute
State the quasi- heart of visualization of infrared equipment；
If the quasi- heart of visualization of described infrared equipment is misaligned with the target in described infrared image, described target does not have
Positioned at the quasi- heart of the visualization of described infrared equipment.
Step 208, adjusts the quasi- heart of visualization of described infrared equipment, and return to step 204；
When described target is not at the quasi- heart of visualization of described infrared equipment, illustrate in iron sight run-home
In the case of, described infrared equipment does not aim at described target it is therefore desirable to adjust the quasi- heart of visualization of described infrared equipment,
After the visualization quasi- heart adjustment of infrared equipment, need the infrared image of return to step 204 Resurvey target, because step
In 202 selected be a fixation target, thus now iron sight or run-home, mechanical aiming need not be adjusted
Tool, it is only necessary to gather the infrared image of described target again through infrared equipment, then judges whether described target is located at adjustment
The quasi- heart of visualization of infrared equipment afterwards, that is, re-execute step 204.
Step 210, the installation mark effect of described infrared equipment completes.
When described target is located at the quasi- heart of visualization of described infrared equipment, the feelings in iron sight run-home are described
Under condition, now infrared equipment has equally aimed at target.
The present embodiment passes through the iron sight of described cartridge aims at the target of a fixation, then passes through infrared
Equipment gathers the infrared image of described target, after described target becomes point-like on described infrared image, adjusts infrared equipment
The quasi- heart of visualization, until target be located at described infrared equipment the quasi- heart of visualization till because now iron sight is also
Run-home, and the axis of gunsight in front and back of iron sight is flat with the optical axis axis of the target seeker of described cartridge
OK, the optical axis diameter parallel visualizing the quasi- heart also just same target seeker with described cartridge of therefore at this time infrared equipment
, that is, now infrared equipment can accurately run-home.
Embodiment three:
With reference to Fig. 3, show a kind of structured flowchart of the installation mark effect system of infrared equipment of the present invention, the present embodiment is concrete
Can include with lower module:
Module 11 is installed, for infrared equipment is arranged on cartridge, and opens the iron sight of cartridge；
After infrared equipment is arranged on cartridge and opens the iron sight of cartridge by installation module 11, by
Iron sight is provided with itself on cartridge, thus shooter can be by the machine on described infrared equipment and cartridge
Tool gunsight object observing simultaneously.
Mechanical aiming module 12, for aiming at by the iron sight of described cartridge at the target of a fixation；
In the present embodiment, mechanical aiming module 12 can select the target of the fixation of a distant place, facilitates cartridge to pass through
Iron sight steady aim target.Select the target of a fixation, for the target changing, iron sight is permissible
Easier aiming.
Specifically, described mechanical aiming module 12 adjusts the iron sight of described cartridge, makes described mechanical aiming
The foresight of tool, rear sight and described target are located on straight line.Iron sight run-home uses at " 3 points
The principle of one line ", the front gun sight of described iron sight, rear sight and 3 points of described target be located on straight line when
Wait, just illustrate that the iron sight of now cartridge has aimed at target.
Acquisition module 13, for gathering the infrared image of described target by infrared equipment；
According to described infrared image, first judge module 14, for judging whether described target is located at described infrared equipment
Visualize the quasi- heart；
In the present embodiment, acquisition module 13 gathers the red of the target that described mechanical aiming module 12 aims at by infrared equipment
Outer image, the first judge module 14 can by judging in gathered infrared image, described target and described infrared equipment
Visualize whether the quasi- heart overlaps, to judge whether described target is located at the quasi- heart of visualization of described infrared equipment.If described target
It is not at the quasi- heart of visualization of described infrared equipment, enter adjusting module 15；If described target is located at described infrared equipment
Visualize the quasi- heart, then enter and complete module 16, the installation mark effect of described infrared equipment completes.
It should be noted that it is described red specifically can to judge in the present embodiment whether described target is located in the following ways
The quasi- heart of visualization of external equipment:
First judge module 14 includes:
Superposition submodule 141, for by described infrared image, the quasi- heart carries out video and folds with the visualization of described infrared equipment
Plus；
Judging submodule 142, for judge described infrared equipment visualize the quasi- heart whether with described infrared image in
Target overlaps.
If the quasi- heart that visualizes of described infrared equipment is overlapped with the target in described infrared image, described target is located at institute
State the quasi- heart of visualization of infrared equipment；
If the quasi- heart of visualization of described infrared equipment is misaligned with the target in described infrared image, described target does not have
Positioned at the quasi- heart of the visualization of described infrared equipment.
Adjusting module 15, for be not at when described target described infrared equipment the visualization quasi- heart when, adjustment is described
The quasi- heart of visualization of infrared equipment；
When described target is not at the quasi- heart of visualization of described infrared equipment, illustrate in iron sight run-home
In the case of, described infrared equipment does not aim at described target it is therefore desirable to adjust the quasi- heart of visualization of described infrared equipment,
After the visualization quasi- heart adjustment of infrared equipment, need to return the infrared image of acquisition module 13 Resurvey target, because machine
Tool aim in module 12 selected be a fixation target, thus now iron sight or run-home, need not adjust
Whole iron sight, adjusting module 15 only needs to gather the infrared image of described target again through infrared equipment, and then first
Judge module 14 judges whether described target is located at the quasi- heart of visualization of the infrared equipment after adjustment.
Complete module 16, for when described target is positioned at the quasi- heart of visualization of described infrared equipment, completing described infrared
The installation mark effect of equipment.
When the first judge module 14 judges to draw described target positioned at the quasi- heart of visualization of described infrared equipment, illustrate
In the case of iron sight run-home, now infrared equipment has equally aimed at target.
It should be noted that in the present embodiment shown in Fig. 4 preferred embodiment, the installation of described infrared equipment
Mark effect system also includes:
Second judge module 17, for judging whether described target becomes point-like on described infrared image；
Described mechanical aiming module 12, is additionally operable to when described target does not become point-like on described infrared image, by red
External equipment gathers the infrared image of described target；
Described first judge module 13, is additionally operable to, when described target becomes point-like on described infrared image, judge described
Whether target is located at the quasi- heart of visualization of described infrared equipment.
For system embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, related
Part illustrates referring to the part of Fig. 1 and Fig. 2 embodiment of the method.
Each embodiment in this specification is all described by the way of going forward one by one, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar partly mutually referring to.
Installation mark efficacious prescriptions method to a kind of infrared equipment provided by the present invention and installation mark effect system, have been carried out in detail above
Thin introduce, specific case used herein is set forth to the principle of the present invention and embodiment, the saying of above example
Bright it is only intended to help and understands the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, foundation
The thought of the present invention, all will change in specific embodiments and applications, and in sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of installation mark efficacious prescriptions method of infrared equipment is it is characterised in that include:
Step one, infrared equipment is arranged on cartridge, and opens the iron sight of cartridge；
Step 2, the iron sight of described cartridge is aimed at the target of a fixation；
Step 3, gathers the infrared image of described target by infrared equipment, judges that whether described target is located at described infrared set
The quasi- heart of standby visualization；
If described target is not at the quasi- heart of visualization of described infrared equipment, the visualization adjusting described infrared equipment is accurate
The heart, and return to step three；
If described target is located at the quasi- heart of visualization of described infrared equipment, the installation mark effect of described infrared equipment completes.
2. method according to claim 1 is it is characterised in that the described iron sight by cartridge aims at one admittedly
Fixed target includes:
Adjust the iron sight of described cartridge, make foresight, rear sight and the described mesh of described iron sight
Mark is on straight line.
3. method according to claim 1 is it is characterised in that described judge whether described target is located at described infrared equipment
The quasi- heart of visualization before, also include:
Judge whether described target becomes point-like on described infrared image；
If described target does not become point-like, return to step two on described infrared image；
If described target becomes point-like on described infrared image, judge whether described target is located at the visual of described infrared equipment
Change the quasi- heart.
4. method according to claim 1 is it is characterised in that described judge whether described target is located at described infrared equipment
The quasi- pericardium of visualization include:
Quasi- for the visualization of the described infrared image and described infrared equipment heart is carried out video superimpose；
Judge described infrared equipment visualizes whether the quasi- heart is overlapped with the target in described infrared image；
If the quasi- heart that visualizes of described infrared equipment is overlapped with the target in described infrared image, described target is located at described red
The quasi- heart of visualization of external equipment；
If the quasi- heart of visualization of described infrared equipment is misaligned with the target in described infrared image, described target is not at
The quasi- heart of visualization of described infrared equipment.
5. method according to claim 2 it is characterised in that:
The optical axis diameter parallel of the target seeker of the axis of gunsight and described cartridge before and after described cartridge.
6. a kind of installation mark effect system of infrared equipment is it is characterised in that include:
Module is installed, for infrared equipment is arranged on cartridge, and opens the iron sight of cartridge；
Mechanical aiming module, for aiming at by the iron sight of described cartridge at the target of a fixation；
Acquisition module, for gathering the infrared image of described target by infrared equipment；
According to described infrared image, first judge module, for judging whether described target is located at the visualization of described infrared equipment
The quasi- heart；
Adjusting module, for be not at when described target described infrared equipment the visualization quasi- heart when, adjustment is described infrared to be set
The quasi- heart of standby visualization；
Complete module, for when described target is positioned at the quasi- heart of visualization of described infrared equipment, completing described infrared equipment
Mark effect is installed.
7. system according to claim 6 it is characterised in that:
Described mechanical aiming module adjusts the iron sight of described cartridge, make described iron sight foresight,
Rear sight and described target are located on straight line.
8. system according to claim 6 is it is characterised in that also include:
Second judge module, for judging whether described target becomes point-like on described infrared image；
Described mechanical aiming module, is additionally operable to when described target does not become point-like on described infrared image, by infrared equipment
Gather the infrared image of described target；
Described first judge module, is additionally operable to, when described target becomes point-like on described infrared image, judge that described target is
The quasi- heart of the no visualization positioned at described infrared equipment.
9. system according to claim 6 is it is characterised in that described first judge module includes:
Superposition submodule, for carrying out video superimpose by quasi- for the visualization of the described infrared image and described infrared equipment heart；
Judging submodule, for judge described infrared equipment visualize the quasi- heart whether with described infrared image in target weight
Close.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556739.1A CN103884430B (en) | 2012-12-20 | 2012-12-20 | Infrared device installation criterion validity method and installation criterion validity system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556739.1A CN103884430B (en) | 2012-12-20 | 2012-12-20 | Infrared device installation criterion validity method and installation criterion validity system |
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| CN103884430A CN103884430A (en) | 2014-06-25 |
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| CN105628338B (en) * | 2014-11-05 | 2018-05-18 | 北京航天计量测试技术研究所 | A kind of infrared seeker full filed error on line of sight Calibration Method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1019693B (en) * | 1990-12-03 | 1992-12-30 | 张平 | Gun aiming frame |
| CN2209318Y (en) * | 1994-02-06 | 1995-10-04 | 丁曦林 | Sight and sighting mirror for gun |
| US8186093B1 (en) * | 2011-07-08 | 2012-05-29 | International Trade and Technologies, Inc. | Dot sight device of plurality of calibers |
| CN102419137A (en) * | 2011-12-01 | 2012-04-18 | 西安华科光电有限公司 | Automatic fire control trajectory regulation platform adopting laser for auxiliary lighting |
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