CN105224902B - The bar code reading facility of bar code to be distinguished is positioned with two groups of cursors - Google Patents
The bar code reading facility of bar code to be distinguished is positioned with two groups of cursors Download PDFInfo
- Publication number
- CN105224902B CN105224902B CN201510611634.5A CN201510611634A CN105224902B CN 105224902 B CN105224902 B CN 105224902B CN 201510611634 A CN201510611634 A CN 201510611634A CN 105224902 B CN105224902 B CN 105224902B
- Authority
- CN
- China
- Prior art keywords
- light
- prompt
- bar code
- component
- groups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Studio Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of bar code reading facilities that bar code to be distinguished is positioned with two groups of cursors, including the imaging system for obtaining bar code image to be distinguished and for wait distinguish at least two groups light prompt component for being respectively formed prompt on bar code, it to include the first light prompt component, the second light prompt component that at least two groups light, which prompts component,.First light prompts the optical axis of component, the second light prompt component to be arranged in angle, and the second prompt that the first prompt and the second light prompt component that the first light prompt component is formed are formed intersects between the distant view plane of imaging system and close shot plane.Component is prompted in the light of angle setting by least two groups optical axis, the first prompt, the second prompt is allowed to intersect between the distant view plane of imaging system and close shot plane, it is conveniently adjusted the position of bar code to be distinguished, crosspoint is allowed to be located at wait distinguish on bar code, it treats recognition bar code to be accurately positioned, imaging system is enable to obtain clearly image.
Description
Technical field
The present invention relates to photoelectric fields, more specifically to a kind of item for positioning bar code to be distinguished with two groups of cursors
Shape code recognizing apparatus.
Background technique
Usually only one group or two groups of bar code reading facility in the related technology light disposed in parallel prompts component.When this
Class bar code reading facility, can be according to the irradiation that bar code reading facility issues in bar code to be distinguished when distinguishing bar code
On prompt, operator is with the relative position between visual determination bar code to be distinguished and recognizing apparatus, to realize reading code.
The prompt of such bar code reading facility can only auxiliary operation person treat recognition bar code position do substantially
Judge and cannot accurately judge whether the relative position of bar code to be distinguished and imaging system is best.Particularly, for fine
Bar code to be distinguished, because its size is smaller, resolution ratio is higher, in order to obtain biggish figure on the sensitive chip of imaging system
Picture needs to select the imaging system for having larger enlargement ratio at this time, and the field angle of such imaging system is smaller, therefore it is required that prompt light
Mark can be accurately positioned the position of finely bar code to be distinguished.It cannot be real using the bar code reading facility of existing prompt technology
Now it is accurately positioned the purpose of finely bar code to be distinguished.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of bar code for positioning bar code to be distinguished with two groups of cursors
Recognizing apparatus.
The technical solution adopted by the present invention to solve the technical problems is: constructing and a kind of positions item to be distinguished with two groups of cursors
The bar code reading facility of shape code, including for obtaining bar code image to be distinguished imaging system and for described wait distinguish
At least two groups light prompt component of prompt is respectively formed on bar code, at least two groups light prompt component includes the first light
Component, the second light is prompted to prompt component；
The first light prompt component, the second light prompt the optical axis of component to be arranged in angle, and first light prompts component
The second prompt that the first prompt formed and second light prompt component are formed intersects at the imaging system
Between distant view plane and close shot plane.
Preferably, first prompt, the second prompt intersect on the alignment surface of the imaging system.
Preferably, the optical axis light with the imaging system respectively of first light prompt component, the second light prompt component
Axis is in angle, and first prompt, the second prompt intersect on the alignment surface of the imaging system, intersection point position
In on the optical axis of the imaging system.
Preferably, first light prompt component and the second light prompt relatively described imaging system of component it is deflectable set
It sets, to adjust the intersection location of first prompt, the second prompt.
Preferably, the first light prompt component includes spaced first indicating light and the first light focusing unit, institute
The optical signal for stating the first indicating light forms first prompt after first light focusing unit；
The second light prompt component includes spaced second indicating light and the second light focusing unit, and described second mentions
Show that the optical signal of light source forms second prompt after second light focusing unit.
Preferably, first indicating light and/or the relatively described imaging system of first light focusing unit be deflectablely
Setting, to adjust the position of first prompt；And/or first indicating light and first light focusing unit
Relative position is adjustable, to adjust the position of first prompt；And/or first indicating light or the first optically focused list
The placed angle of member is adjustable, to adjust the position of first prompt；
Second indicating light and/or the relatively described imaging system of second light focusing unit are arranged deflectablely, with
Adjust the position of second prompt；The relative position of second indicating light and second light focusing unit and/or
It is adjustable, to adjust the position of second prompt；And/or the placement of second indicating light or the second light focusing unit
Adjustable angle, to adjust the position of second prompt.
Preferably, first indicating light, the second indicating light respectively include illuminator, the institute that the illuminator is presented
It is similar or identical to state the first prompt, the shape of the second prompt and the luminous shape；
First indicating light, the second indicating light respectively include the LED light with the illuminator.
Preferably, the first light prompt component includes the first light focusing unit of replaceable a variety of different focal lengths；Or, institute
Stating the first light prompt component includes adjustable first light focusing unit of focal position；
The second light prompt component includes the second light focusing unit of replaceable a variety of different focal lengths；Or, described second
It includes adjustable second light focusing unit of focal position that light, which prompts component,.
Preferably, first light focusing unit includes one of convex lens, spherical reflector, non-spherical reflector or more
The combination of kind；Second light focusing unit includes one of convex lens, spherical reflector, non-spherical reflector or a variety of groups
It closes.
Preferably, the bar code reading facility further includes at least one capture section for being used to illuminate the imaging system
Supplementary lighting sources, the brightness of the supplementary lighting sources is adjustable.
Preferably, the imaging system includes the adjustable imaging system of imaging focal length；Or,
The imaging system includes at least two different imaging systems of imaging focal length.
Implement the bar code reading facility for positioning bar code to be distinguished with two groups of cursors of the invention, has below beneficial to effect
Fruit: light is arranged in angle by least two groups optical axis and prompts component, the first prompt, the second prompt is allowed to intersect at imaging
View center between the distant view plane and close shot plane of system and positioned at imaging system, is conveniently adjusted the position of bar code to be distinguished
It sets, bar code to be distinguished is allowed to be located in crosspoint, treat recognition bar code and accurately position, imaging system is enable to obtain clearly
Image.
Particularly, when reading fine bar code, it need to select that enlargement ratio is higher, field angle lesser imaging system
System, imaging system is relatively short for the depth of field of fine bar code, and bar code reading facility provided by the invention can be accurately positioned
The position of fine bar code, had been located at fine bar code not only in the field range of imaging system but also in the field depth of imaging system
It is interior, meet the positioning requirements of fine bar code.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is that the bar code reading facility for positioning bar code to be distinguished with two groups of cursors in the embodiment of the present invention distinguishes item
The schematic diagram that shape code is.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, the bar code for positioning bar code to be distinguished with two groups of cursors in a preferred embodiment of the invention
Recognizing apparatus includes shell 1, the imaging system 3 for obtaining 2 image of bar code to be distinguished and in bar code 2 to be distinguished
It is respectively formed two groups of light prompt component of prompt, imaging system 3 and light prompt component are all disposed on shell 1.Two groups of light
Prompting component includes the first light prompt component 4, the second light prompt component 5.In other embodiments, bar code reading facility can also
Component is prompted including more than two light, to be respectively formed prompt.
Preferably, imaging system 3 includes the adjustable imaging system of imaging focal length, can be met by focusing to not
The bar code to be distinguished 2 of same distance carries out blur-free imaging.In other embodiments, imaging system 3 may also comprise imaging focal length not
With at least two imaging systems, when carrying out capture wait distinguish bar code 2 to respective distances, with the imaging system of corresponding focal length
System 3 carries out capture.Certainly, the imaging system that imaging system 3 can also be fixed for focal length.
Preferably, 2 recognizing apparatus of bar code to be distinguished further includes at least one capture section for being used to illuminate imaging system 3
Supplementary lighting sources 6, convenient for illuminating bar code 2 to be distinguished, blur-free imaging.Further, the brightness of supplementary lighting sources 6 is adjustable.
First light prompts the optical axis of component 4, the second light prompt component 5 to be arranged in angle, and the first light prompts component 4 to be formed
The second prompt 51 that first prompt 41 and the second light prompt component 5 are formed intersects at the distant view plane A of imaging system 3
Between close shot plane B, make the first prompt 41, the position of the second prompt 51 intersection is located at the imaging effect of imaging system 3
In the good section of fruit.When being moved between distant view plane A and close shot plane B wait distinguish bar code 2, can obtain than more visible
Image, can facilitate and control the intersection position that bar code 2 to be distinguished is moved to the first prompt 41, the second prompt 51,
It treats recognition bar code 2 to be accurately positioned, obtains clearly bar code image for imaging system 3.
Preferably, the first prompt 41, the second prompt 51 intersect on the alignment surface C of imaging system 3.Alignment
Plane C, i.e., on the optimal imaging object plane of imaging system 3, when obtaining the image information wait distinguish bar code 2, by adjusting to
The position for distinguishing bar code 2 allows wait distinguish the first prompt 41 shown on bar code 2, when the second prompt 51 is overlapped,
It is that bar code 2 to be distinguished has been placed on alignment surface C, convenient for obtaining the image information of high definition.It is flat that close shot plane B is located at alignment
Between face C and imaging system 3, distant view plane A is located at side alignment surface C opposite with imaging system 3.
Further, the optical axis optical axis with imaging system 3 respectively of the first light prompt component 4, the second light prompt component 5
In angle, and the first prompt 41, the second prompt 51 intersect on the alignment surface C of imaging system 3, and are located at imaging
On the optical axis of system 3.At this point, mobile when distinguishing bar code 2, it is easier to which the view center for finding imaging system 3 allows
First prompt 41, the second prompt 51 intersection point be just mapped to the center of bar code 2 to be distinguished, make item to be distinguished
The placement location of shape code 2 is more accurately positioned at the view center of imaging system 3, and imaging system 3 is obtained wait know
The high-definition image of wanding 2.
In some embodiments, the first light prompt component 4 and the second light prompt the opposite imaging system 3 of component 5 deflectablely
Setting, to adjust the intersection location of the first prompt 41, the second prompt 51.It can be adjusted according to different requirements
The intersection location of first prompt 41, the second prompt 51.
Preferably, in some embodiments, the first light prompt component 4 includes spaced first indicating light 42 and the
The optical signal of one light focusing unit 43, the first indicating light 42 forms the first prompt 41 after the first light focusing unit 43.Second
It includes spaced second indicating light 52 and the second light focusing unit 53 that light, which prompts component 5, and the light of the second indicating light 52 is believed
Number the second prompt 51 is formed after the second light focusing unit 53.In other embodiments, the first light prompts component 4, the second light
Prompt component 5 may also comprise other arbitrary sources that prompt optical signal can be issued along straight line.
In order to adjust the position of the first prompt 41, the first indicating light 42 can also be made, in the first light focusing unit 43
One or two be arranged deflectablely with respect to imaging system 3, to adjust the position of the first prompt 41.Certainly, at other
In embodiment, the relative position of the first indicating light 42 and the first light focusing unit 43 is adjustable, can also be to adjust the first prompt
The position of cursor 41.Alternatively, while the first indicating light 42 and adjustable 43 relative position of the first light focusing unit, in conjunction with first
Indicating light 42, the first light focusing unit 43 are arranged deflectablely, and the position of the first prompt 41 is allowed more easily to adjust.It can also
The above regulative mode is used in combination, the position of the first prompt 41 is adjusted.
In order to adjust the position of the second prompt 51, the second indicating light 52 can also be made, in the second light focusing unit 53
One or two be arranged deflectablely with respect to imaging system 3, to adjust the position of the second prompt 51.Certainly, at other
In embodiment, the relative position of the second indicating light 52 and the second light focusing unit 53 is adjustable, can also be to adjust the second prompt
The position of cursor 51.Alternatively, while the second indicating light 52 and adjustable 53 relative position of the second light focusing unit, in conjunction with second
Indicating light 52, the second light focusing unit 53 are arranged deflectablely, and the position of the second prompt 51 is allowed more easily to adjust.It can also
The above regulative mode is used in combination, the position of the second prompt 51 is adjusted.
Further, the first indicating light 42, the second indicating light 52 respectively include illuminator, the first indicating light 42,
Second indicating light 52 respectively includes the LED light with illuminator.The first prompt 41, second that illuminator is presented prompts light
The shape of mark 51 and luminous shape are similar or identical, are overlapped convenient for the first prompt 41, the alignment of the second prompt 51.Hair
The luminous body of light shape generated of body of light can be specific shape, after the first light focusing unit 43, the second light focusing unit 53 respectively
The shape amplification proportional to the shape of illuminator of the first prompt 41, the second prompt 51 that are formed, is presented on wait know
On wanding 2.In other embodiments, the first prompt 41, the second prompt 51 shape can also be with illuminator
Shape is identical or proportional scaling.
In some embodiments, the first light focusing unit 43 includes one in convex lens, spherical reflector, non-spherical reflector
Kind, it can also be a variety of combinations.Second light focusing unit 53 includes one of convex lens, spherical reflector, non-spherical reflector,
It can also be a variety of combinations.The first indicating light 42, second are mentioned respectively by the first light focusing unit 43, the second light focusing unit 53
The reflection of body of light shape, the refraction for showing that the illuminator of light source 52 is presented form the first prompt 41, the second prompt 51.It can be with
Understand that ground, above-mentioned each technical characteristic can be used in any combination and unrestricted.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of bar code reading facility for positioning bar code to be distinguished with two groups of cursors, which is characterized in that including for obtaining
The imaging system (3) of bar code (2) image to be distinguished and for being respectively formed prompt on the bar code (2) to be distinguished
At least two groups light prompt component, at least two groups light prompt component includes that the first light prompts component (4), the second light prompt group
Part (5)；
First light prompt component (4), the second light prompt the optical axis of component (5) to be arranged in angle, the first light prompt group
The first prompt (41) that part (4) is formed intersects with the second prompt (51) that second light prompt component (5) is formed
Between the distant view plane (A) and close shot plane (B) of the imaging system (3)；
First light prompt component (4) includes spaced first indicating light (42) and the first light focusing unit (43), institute
The optical signal for stating the first indicating light (42) forms first prompt (41) after first light focusing unit (43)；
Second light prompt component (5) includes spaced second indicating light (52) and the second light focusing unit (53), institute
The optical signal for stating the second indicating light (52) forms second prompt (51) after second light focusing unit (53)；
First indicating light (42), the second indicating light (52) respectively include illuminator.
2. the bar code reading facility according to claim 1 for positioning bar code to be distinguished with two groups of cursors, feature exist
In first prompt (41), the second prompt (51) intersect on the alignment surface (C) of the imaging system (3).
3. the bar code reading facility according to claim 1 for positioning bar code to be distinguished with two groups of cursors, feature exist
It is in optical axis of the optical axis respectively with the imaging system (3) of, first light prompt component (4), the second light prompt component (5)
Angle, and first prompt (41), the second prompt (51) intersect at the alignment surface of the imaging system (3)
(C) on, intersection point is located on the optical axis of the imaging system (3).
4. the bar code reading facility according to any one of claims 1 to 3 that bar code to be distinguished is positioned with two groups of cursors,
It is characterized in that, the first light prompt component (4) and the second light prompt component (5) relatively described imaging system (3) are deflectable
Ground setting, to adjust the intersection location of first prompt (41), the second prompt (51).
5. the bar code reading facility according to claim 1 for positioning bar code to be distinguished with two groups of cursors, feature exist
In deflectablely first indicating light (42) and/or the relatively described imaging system (3) of first light focusing unit (43) set
It sets, to adjust the position of first prompt (41)；And/or first indicating light (42) and first optically focused
The relative position of unit (43) is adjustable, to adjust the position of first prompt (41)；And/or the first prompt light
The placed angle of source (42) or the first light focusing unit (43) is adjustable, to adjust the position of first prompt (41)；
Second indicating light (52) and/or the relatively described imaging system (3) of second light focusing unit (53) are deflectablely
Setting, to adjust the position of second prompt (51)；And/or second indicating light (52) and described second is gathered
The relative position of light unit (53) is adjustable, to adjust the position of second prompt (51)；And/or second prompt
Light source (52) or the placed angle of the second light focusing unit (53) are adjustable, to adjust the position of second prompt (51).
6. the bar code reading facility according to claim 1 for positioning bar code to be distinguished with two groups of cursors, feature exist
In the shape of first prompt (41), the second prompt (51) that the illuminator is presented and the luminous bodily form
Shape is similar or identical；
First indicating light (42), the second indicating light (52) respectively include the LED light with the illuminator.
7. the bar code reading facility according to claim 1 for positioning bar code to be distinguished with two groups of cursors, feature exist
In the first light prompt component (4) includes the first light focusing unit (43) of replaceable a variety of different focal lengths；Or, described
It includes adjustable first light focusing unit (43) of focal position that one light, which prompts component (4),；
Second light prompt component (5) includes the second light focusing unit (53) of replaceable a variety of different focal lengths；Or, described
It includes adjustable second light focusing unit (53) of focal position that two light, which prompt component (5),.
8. the bar code reading facility according to claim 7 for positioning bar code to be distinguished with two groups of cursors, feature exist
In first light focusing unit (43) includes one of convex lens, spherical reflector, non-spherical reflector or a variety of groups
It closes；Second light focusing unit (53) includes one of convex lens, spherical reflector, non-spherical reflector or a variety of groups
It closes.
9. the bar code reading facility according to any one of claims 1 to 3 that bar code to be distinguished is positioned with two groups of cursors,
It is characterized in that, the bar code reading facility further includes at least one capture section for being used to illuminate the imaging system (3)
Supplementary lighting sources (6), the brightness of the supplementary lighting sources (6) is adjustable.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611634.5A CN105224902B (en) | 2015-09-23 | 2015-09-23 | The bar code reading facility of bar code to be distinguished is positioned with two groups of cursors |
| PCT/CN2015/093131 WO2017049709A1 (en) | 2015-09-23 | 2015-10-28 | Bar code reading apparatus using two markers to locate bar code to be read |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510611634.5A CN105224902B (en) | 2015-09-23 | 2015-09-23 | The bar code reading facility of bar code to be distinguished is positioned with two groups of cursors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105224902A CN105224902A (en) | 2016-01-06 |
| CN105224902B true CN105224902B (en) | 2019-01-04 |
Family
ID=54993864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510611634.5A Active CN105224902B (en) | 2015-09-23 | 2015-09-23 | The bar code reading facility of bar code to be distinguished is positioned with two groups of cursors |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105224902B (en) |
| WO (1) | WO2017049709A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145194A (en) * | 2006-09-15 | 2008-03-19 | 福建新大陆自动识别技术有限公司 | Bar code recognizing apparatus focusing method |
| CN102096797A (en) * | 2011-01-18 | 2011-06-15 | 深圳市民德电子科技有限公司 | Position prompting device and method for read bar code and bar code reading equipment |
| CN102298690A (en) * | 2011-08-10 | 2011-12-28 | 深圳市民德电子科技有限公司 | Bar code reading device |
| CN104809423A (en) * | 2015-04-27 | 2015-07-29 | 深圳市民德电子科技股份有限公司 | Bar code reading device |
| CN205080560U (en) * | 2015-09-23 | 2016-03-09 | 深圳市民德电子科技股份有限公司 | Bar code recognition equipment of bar code is waited to distinguish with two sets of cursor positioning |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5598007A (en) * | 1994-03-21 | 1997-01-28 | Intermec Corporation | Symbology reader with fixed focus spotter beam |
| US8181878B2 (en) * | 2006-01-25 | 2012-05-22 | Cognex Technology And Investment Corporation | Method and apparatus for providing a focus indication for optical imaging of visual codes |
| WO2014011154A1 (en) * | 2012-07-10 | 2014-01-16 | Optoelectronics Co., Ltd. | Optical aiming system for an image scanner |
-
2015
- 2015-09-23 CN CN201510611634.5A patent/CN105224902B/en active Active
- 2015-10-28 WO PCT/CN2015/093131 patent/WO2017049709A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145194A (en) * | 2006-09-15 | 2008-03-19 | 福建新大陆自动识别技术有限公司 | Bar code recognizing apparatus focusing method |
| CN102096797A (en) * | 2011-01-18 | 2011-06-15 | 深圳市民德电子科技有限公司 | Position prompting device and method for read bar code and bar code reading equipment |
| CN102298690A (en) * | 2011-08-10 | 2011-12-28 | 深圳市民德电子科技有限公司 | Bar code reading device |
| CN104809423A (en) * | 2015-04-27 | 2015-07-29 | 深圳市民德电子科技股份有限公司 | Bar code reading device |
| CN205080560U (en) * | 2015-09-23 | 2016-03-09 | 深圳市民德电子科技股份有限公司 | Bar code recognition equipment of bar code is waited to distinguish with two sets of cursor positioning |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017049709A1 (en) | 2017-03-30 |
| CN105224902A (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10617305B2 (en) | Dermatoscope devices | |
| CN106999034B (en) | Wearable device and method for outputting virtual image | |
| US9251397B2 (en) | Fingerprint image capturing device and fingerprint image capturing module thereof | |
| JP5374266B2 (en) | Optical position detector | |
| CN103190143A (en) | Camera for close-range iris recognition | |
| CN109936691A (en) | Dual imaging vision system camera, collimator and method of use | |
| EP3746838B1 (en) | Gaze-tracking system and aperture device | |
| CN101952793A (en) | Touch screen adopting an optical module system using linear infrared emitters | |
| CN104155081A (en) | Automated borescope measurement tip accuracy test | |
| CN105953125B (en) | Method from tracing type desk lamp and by providing illumination from trace mode | |
| TWI570387B (en) | Image ranging system, light source module and image sensing module | |
| CN104819433B (en) | Ellipse light spot realization device, light spot adjusting device and operating lamp | |
| CN103838034A (en) | Backlight module and dual-view display device | |
| WO2015027252A8 (en) | Assembly for analyzing a light pattern caused by refraction and reflection at a precious stone | |
| CN109815941A (en) | Fingerprint identification device and electronic equipment | |
| CN204438916U (en) | The brightness control system of sight and sight | |
| CN104809423B (en) | Bar code reading facility | |
| CN105224902B (en) | The bar code reading facility of bar code to be distinguished is positioned with two groups of cursors | |
| CN205080560U (en) | Bar code recognition equipment of bar code is waited to distinguish with two sets of cursor positioning | |
| US20180017727A1 (en) | Optical device, optical system, and ticket gate | |
| CN205899162U (en) | Spot projector looses based on LED light source | |
| CN204576532U (en) | Bar code reading facility | |
| ES2952756T3 (en) | A touch panel | |
| CN102454923A (en) | Illumination system for automated optical inspection and combination thereof with imaging system | |
| CN104613817A (en) | Sighting device and brightness adjusting system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |