CN106524913B - The position mark method and device in light beam incident point - Google Patents
The position mark method and device in light beam incident point Download PDFInfo
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- CN106524913B CN106524913B CN201611046883.5A CN201611046883A CN106524913B CN 106524913 B CN106524913 B CN 106524913B CN 201611046883 A CN201611046883 A CN 201611046883A CN 106524913 B CN106524913 B CN 106524913B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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Abstract
The invention discloses the position mark methods and device in a kind of light beam incident point.The position mark method in the light beam incident point includes: the intensity of illumination for corresponding to the laser beam of projection on the display screen for receiving at least three light intensity detectors of the different location for being located at display screen and detecting respectively；According to the intensity of illumination that each light intensity detector detects, the Prediction distance in the light beam incident point and each light intensity detector that obtain the laser beam projects on the display screen is calculated；According to each Prediction distance, the position of the light beam incident point on the display screen is determined, and generate position mark at the location.Using the present invention, incident point of the laser beam projects into the display screen can be shown in display screen, to improve user experience.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of position mark methods and device in light beam incident point.
Background technique
In the scenes such as daily teaching or business meetings, exhibitor when being shown using big display screen,
It usually needs to indicate the content on the big display screen using laser pen, to emphasize the content explained, deepens the impression of audience,
To reach better bandwagon effect.But content is being indicated in some display screens (e.g., liquid crystal display) using laser pen
When, the absorption due to display screen to light can not show laser point that laser pen is projected in display screen or shown swash
Luminous point is very fuzzy, the effect of instruction content is unable to reach, to bring bad user experience.
Summary of the invention
The present invention proposes the position mark method and device in a kind of light beam incident point, and laser beam can be shown in display screen
It is projected to the incident point in the display screen, to improve user experience.
A kind of position mark method in light beam incident point provided by the invention, specifically includes:
Receive be located at that at least three light intensity detectors of the different location of display screen detect respectively corresponding to being incident upon
The intensity of illumination of laser beam on the display screen；
According to the intensity of illumination that each light intensity detector detects, calculates the acquisition laser beam projects and exist
The Prediction distance in light beam incident point and each light intensity detector on the display screen；
According to each Prediction distance, the position of the light beam incident point on the display screen is determined, and described
Position mark is generated on position.
Further, the intensity of illumination detected according to each light intensity detector calculates and obtains institute
The Prediction distance in laser beam projects light beam incident point on the display screen and each light intensity detector is stated, it is specific to wrap
It includes:
According to the intensity of illumination that each light intensity detector detects, each light intensity detector inspection is obtained
The angular frequency and light phase of the light beam measured
According to each angular frequency and the corresponding light phaseAnd first distance formulaCalculate the Prediction distance D for obtaining the light beam incident point and each light intensity detector；Wherein, c
For the light velocity；N is atmospheric refraction coefficient.
Further, the intensity of illumination detected according to each light intensity detector calculates and obtains institute
The Prediction distance in laser beam projects light beam incident point on the display screen and each light intensity detector is stated, it is specific to wrap
It includes:
The intensity of illumination I and second distance formula detected according to each light intensity detectorMeter
Calculate the Prediction distance d for obtaining the light beam incident point and each light intensity detector；Wherein, t is atmospheric transmissivity；H is institute
State the irradiation level of laser beam.
Further, described according to each Prediction distance, determine the light beam incident point on the display screen
Position, and position mark is generated at the location, it specifically includes:
According to each Prediction distance, the position of the light beam incident point on the display screen is determined；
Obtain the form and aspect of the first color on the position in the display screen；
Judge the form and aspect of the default color for the position mark that will be generated at the location and the color of first color
Whether the difference of phase is greater than preset threshold value；
If so, generating position mark at the location with the default color；
If it is not, then generating position mark at the location with preset second color for being different from the default color.
Further, the laser beam is infrared laser beam；The light intensity detector is set to the difference of the display screen
Corner on.
Correspondingly, it the present invention also provides a kind of position indicator in light beam incident point, specifically includes:
Intensity of illumination obtains module, for receiving at least three light intensity detectors difference for being located at the different location of display screen
The intensity of illumination of the laser beam corresponding to projection on the display screen detected；
Prediction distance obtains module, the intensity of illumination for detecting according to each light intensity detector, meter
Calculate the Prediction distance in the light beam incident point and each light intensity detector that obtain the laser beam projects on the display screen；
And
Position mark generation module, for determining the light beam incident point described aobvious according to each Prediction distance
Position in display screen, and position mark is generated at the location.
Further, the Prediction distance obtains module, specifically includes:
Gain of parameter unit, the intensity of illumination for being detected according to each light intensity detector obtain every
The angular frequency and light phase for the light beam that a light intensity detector detectsAnd
First distance obtaining unit, for according to each angular frequency and the corresponding light phaseAnd first
Range formulaCalculate the Prediction distance D for obtaining the light beam incident point and each light intensity detector；
Wherein, c is the light velocity；N is atmospheric refraction coefficient.
Further, the Prediction distance obtains module, specifically includes:
Second distance obtaining unit, the intensity of illumination I and second for being detected according to each light intensity detector
Range formulaCalculate the Prediction distance d for obtaining the light beam incident point and each light intensity detector；Its
In, t is atmospheric transmissivity；H is the irradiation level of the laser beam.
Further, the position mark generation module, specifically includes:
Position determination unit, for determining the light beam incident point in the display screen according to each Prediction distance
On position；
Position color obtaining unit, for obtaining the form and aspect of the first color on the position in the display screen；
Hue difference judging unit, the form and aspect of the default color of the position mark for judging to generate at the location
Whether it is greater than preset threshold value with the difference of the form and aspect of first color；
First position marks generation unit, the difference of the form and aspect for the form and aspect and first color when the default color
When greater than the threshold value, position mark is generated at the location with the default color；Alternatively,
The second position marks generation unit, the difference of the form and aspect for the form and aspect and first color when the default color
When no more than the threshold value, position mark is generated at the location to be different from preset second color of the default color
Note.
Further, the laser beam is infrared laser beam；The light intensity detector is set to the difference of the display screen
Corner on.
The invention has the following beneficial effects:
The position mark method and device in light beam incident point provided by the invention, pass through what is detected according to light intensity detector
Intensity of illumination, which calculates, obtains the position of light beam incident point on a display screen, and generates corresponding position mark on the position, from
And incident point of the laser beam projects into the display screen can be shown in display screen, it allows users to it can be clearly seen that laser
User experience is improved in the position of beam meaning.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of the position mark method in light beam incident point provided by the invention；
Fig. 2 is the structural schematic diagram of one embodiment of the position indicator in light beam incident point provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is the process signal of one embodiment of the position mark method in light beam incident point provided by the invention referring to Fig. 1
Figure, including step S11 to S13, specific as follows:
S11: what at least three light intensity detectors that reception is located at the different location of display screen detected respectively corresponds to throwing
Penetrate the intensity of illumination of laser beam on the display screen；
S12: the intensity of illumination detected according to each light intensity detector calculates and obtains the laser beam throwing
Penetrate light beam incident point on the display screen and the Prediction distance of each light intensity detector；
S13: according to each Prediction distance, determining the position of the light beam incident point on the display screen, and
Position mark is generated on the position.
It should be noted that the position mark method in light beam incident point provided in this embodiment is executed by the system of equipment.
Wherein, which has display screen.When user is by laser beam projects to display screen to indicate the content in display screen, system
The light on light intensity detector is projected to by the light beam incident point being arranged on light intensity detector acquisition display screen on a display screen
The intensity of illumination of beam, and determine light beam incident point on a display screen in the intensity of illumination detected according to each light intensity detector
After position, corresponding label is generated on the position, to show the position in light beam incident point in display screen.
In a preferred embodiment, when user is by laser beam projects to display screen, pre-set light intensity
Light beam incident point on detector detection display screen is projected to the intensity of illumination of the light beam on light intensity detector, and will be detected
Intensity of illumination be sent in system and carry out subsequent processing.Wherein, the quantity of light intensity detector is no less than three, and different light intensity
Detector is set on the different location of display screen.Then, system intensity of illumination according to detected by each light intensity detector
Predict the distance between light beam incident point and each light intensity detector.It is examined with system prediction light beam incident point and one of light intensity
It surveys for the distance between device, system is after the intensity of illumination for receiving light intensity detector transmission, according to the intensity of illumination,
Calculate the Prediction distance obtained between light beam incident point and the light intensity detector.Light beam incident point and other each light intensity detectors
Between Prediction distance according to identical method calculate obtain.Then, system is obtained according to each Prediction distance obtained is calculated
The distance between each light intensity detector in display screen is obtained as the pixel of Prediction distance corresponding to each light intensity detector
Point, the position where the pixel are the position where light beam incident point.Finally, system is in identified light beam incident point institute
Position on generate position mark, thus in display screen display beams incident point position.
For example, it is assumed that four angles of display screen are respectively arranged with light intensity detector A, B, C and D, then when user is by laser
When beam is projected on display screen, light intensity detector A, B, C and D detect intensity of illumination a, b, c and d respectively.Light intensity detector A,
B, C and D by respectively detected intensity of illumination be sent to system.System is after receiving intensity of illumination a, b, c and d, root
The Prediction distance d_A obtained between light beam incident point and light intensity detector A is calculated according to intensity of illumination a, and in the same way according to
It is secondary that Prediction distance d_B, the d_C obtained between light beam incident point and light intensity detector B, C and D is calculated according to intensity of illumination b, c and d
And d_D.Then, system is being found at a distance between light intensity detector A in display screen between d_A and light intensity detector B
Distance be d_B, be d_C with the distance between light intensity detector C, and the pixel for being d_D with the distance between light intensity detector D
Point, and the position where the pixel is determined as to the position where light beam incident point.Finally, system generates position on the position
Tagging.
It should be further noted that calculating the process of the Prediction distance between light beam incident point and each light intensity detector
It can be executed by the MCU in equipment.
It is calculated by the intensity of illumination detected according to light intensity detector and obtains the position of light beam incident point on a display screen,
And corresponding position mark is generated on the position, so as to show laser beam projects into the display screen in display screen
Incident point allows users to the position it can be clearly seen that laser beam meaning, improves user experience.
Further, the intensity of illumination detected according to each light intensity detector calculates and obtains institute
The Prediction distance in laser beam projects light beam incident point on the display screen and each light intensity detector is stated, it is specific to wrap
It includes:
According to the intensity of illumination that each light intensity detector detects, each light intensity detector inspection is obtained
The angular frequency and light phase of the light beam measured
According to each angular frequency and the corresponding light phaseAnd first distance formulaCalculate the Prediction distance D for obtaining the light beam incident point and each light intensity detector；Wherein, c
For the light velocity；N is atmospheric refraction coefficient.
It should be noted that system is after receiving the intensity of illumination that each light intensity detector detects, according to each light
According to the distance between prediction of strength light beam incident point and each light intensity detector.With system prediction light beam incident point and one of them
For the distance between light intensity detector, system is after receiving the intensity of illumination that the light intensity detector detects, according to this
Intensity of illumination calculates the angular frequency and light phase for obtaining the light beam being projected on the light intensity detector from light beam incident pointWith
Afterwards, system will calculate the angular frequency and light phase of the light obtainedSubstitute into first distance formulaIn, from
And calculate the Prediction distance D obtained between light beam incident point and the light intensity detector.Light beam incident point and other each light intensity are examined
The Prediction distance D surveyed between device, which is calculated according to identical method, to be obtained.Wherein, the c in the first distance formula is the light velocity, n
For air index, numerical value is pre-set in system, and is internationally recognized value.
Further, the intensity of illumination detected according to each light intensity detector calculates and obtains institute
The Prediction distance in laser beam projects light beam incident point on the display screen and each light intensity detector is stated, it is specific to wrap
It includes:
The intensity of illumination I and second distance formula detected according to each light intensity detectorMeter
Calculate the Prediction distance d for obtaining the light beam incident point and each light intensity detector；Wherein, t is atmospheric transmissivity；H is institute
State the irradiation level of laser beam.
It should be noted that system is after receiving the intensity of illumination that each light intensity detector detects, according to each light
According to the distance between prediction of strength light beam incident point and each light intensity detector.With system prediction light beam incident point and one of them
For the distance between light intensity detector, system is after receiving the intensity of illumination I that the light intensity detector detects, by the light
Second distance formula is substituted into according to intensity IIn, it is obtained between light beam incident point and the light intensity detector to calculate
Prediction distance d.Prediction distance d between light beam incident point and other each light intensity detectors is calculated according to identical method
It obtains.Wherein, the t in the second distance formula is atmospheric transmissivity, the irradiation level for the laser beam that H is projected by user, number
Value is pre-set in system, and is internationally recognized value.
It is preferably carried out in mode at another, it is described according to each Prediction distance, determine the light beam incident point
Position on the display screen, and position mark is generated at the location, it specifically includes:
According to each Prediction distance, the position of the light beam incident point on the display screen is determined；
Obtain the form and aspect of the first color on the position in the display screen；
Judge the form and aspect of the default color for the position mark that will be generated at the location and the color of first color
Whether the difference of phase is greater than preset threshold value；
If so, generating position mark at the location with the default color；
If it is not, then generating position mark at the location with preset second color for being different from the default color.
It should be noted that system generates position after determining position of the light beam incident point in display screen on the position
Tagging.System uses the light beam incident point for taking the tools such as color device or being obtained in display screen by modes such as pixel identifications first
The form and aspect of the color of the pixel of the position at place, the as form and aspect of the first color.Then, acquisition will generate on the position
Position mark default color form and aspect.The form and aspect of the default color are preset and are stored in by user or administrator
In system.System compares the form and aspect of default color obtained and the form and aspect of the first color obtained, if default color
Form and aspect and the first color form and aspect between difference be greater than preset threshold value, then it is assumed that the color for the position mark that will be generated
It is strong with background color comparison, therefore the position mark that color is default color is generated on the position where light beam incident point；
If the difference between the form and aspect of default color and the form and aspect of the first color is not more than preset threshold value, then it is assumed that the position that will be generated
The color of tagging and background color comparison are faint, therefore generating color on the position where light beam incident point is preset the
The position mark of second colors.Wherein, second color and default color have strong color difference (e.g., when default color is red
When, the second color is green).
It should be further noted that while generating position mark on the position where light beam incident point, it can be with
It generates and shows corresponding location information (e.g., coordinate information, chrominance information etc.).
By generating the position that there is strong color difference with background color on the position where the light beam incident point in display screen
Tagging enables the position where the incident point on laser beam projects to screen to be more clearly from revealed, thus
Further increase user experience.
Further, the laser beam is infrared laser beam；The light intensity detector is set to the difference of the display screen
Corner on.
It should be noted that the laser beam that user is projected is usually infrared laser beam, but in certain application scenarios, it should
Laser beam can also be green laser beam, blue laser beam etc..Each light intensity detector is set on the different corners of display.
The position mark method in light beam incident point provided in an embodiment of the present invention, passes through what is detected according to light intensity detector
Intensity of illumination, which calculates, obtains the position of light beam incident point on a display screen, and generates corresponding position mark on the position, from
And incident point of the laser beam projects into the display screen can be shown in display screen, it allows users to it can be clearly seen that laser
User experience is improved in the position of beam meaning.In addition, by generating and carrying on the back on the position where the light beam incident point in display screen
Scape color has the position mark of strong color difference, enable position where incident point on laser beam projects to screen more
It is clearly revealed, to further increase user experience.
Correspondingly, it the present invention also provides a kind of position indicator in light beam incident point, can be realized in above-described embodiment
Light beam incident point position mark method all processes.
Referring to fig. 2, be light beam incident point provided by the invention position indicator one embodiment structural representation
Figure, specific as follows:
Intensity of illumination obtains module 21, for receiving at least three light intensity detectors point for being located at the different location of display screen
The intensity of illumination for the laser beam corresponding to projection on the display screen not detected；
Prediction distance acquisition module 22, the intensity of illumination for being detected according to each light intensity detector,
Calculate the pre- ranging in the light beam incident point and each light intensity detector that obtain the laser beam projects on the display screen
From；And
Position mark generation module 23, for determining the light beam incident point described according to each Prediction distance
Position on display screen, and position mark is generated at the location.
Further, the Prediction distance obtains module 22, specifically includes:
Gain of parameter unit, the intensity of illumination for being detected according to each light intensity detector obtain every
The angular frequency and light phase for the light beam that a light intensity detector detectsAnd
First distance obtaining unit, for according to each angular frequency and the corresponding light phaseAnd first
Range formulaCalculate the Prediction distance for obtaining the light beam incident point and each light intensity detector
D；Wherein, c is the light velocity；N is atmospheric refraction coefficient.
Further, the Prediction distance obtains module 22, specifically includes:
Second distance obtaining unit, the intensity of illumination I and second for being detected according to each light intensity detector
Range formulaCalculate the Prediction distance d for obtaining the light beam incident point and each light intensity detector；Its
In, t is atmospheric transmissivity；H is the irradiation level of the laser beam.
It is preferably carried out in mode at another, the position mark generation module 23 specifically includes:
Position determination unit, for determining the light beam incident point in the display screen according to each Prediction distance
On position；
Position color obtaining unit, for obtaining the form and aspect of the first color on the position in the display screen；
Hue difference judging unit, the form and aspect of the default color of the position mark for judging to generate at the location
Whether it is greater than preset threshold value with the difference of the form and aspect of first color；
First position marks generation unit, the difference of the form and aspect for the form and aspect and first color when the default color
When greater than the threshold value, position mark is generated at the location with the default color；Alternatively,
The second position marks generation unit, the difference of the form and aspect for the form and aspect and first color when the default color
When no more than the threshold value, position mark is generated at the location to be different from preset second color of the default color
Note.
Further, the laser beam is infrared laser beam；The light intensity detector is set to the difference of the display screen
Corner on.
The position indicator in light beam incident point provided in an embodiment of the present invention, passes through what is detected according to light intensity detector
Intensity of illumination, which calculates, obtains the position of light beam incident point on a display screen, and generates corresponding position mark on the position, from
And incident point of the laser beam projects into the display screen can be shown in display screen, it allows users to it can be clearly seen that laser
User experience is improved in the position of beam meaning.In addition, by generating and carrying on the back on the position where the light beam incident point in display screen
Scape color has the position mark of strong color difference, enable position where incident point on laser beam projects to screen more
It is clearly revealed, to further increase user experience.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of position mark method in light beam incident point characterized by comprising
At least three light intensity detectors that reception is located at the different location of display screen detect described corresponding to being incident upon respectively
The intensity of illumination of laser beam on display screen；
According to the intensity of illumination that each light intensity detector detects, calculates and obtain the laser beam projects described
The Prediction distance in light beam incident point and each light intensity detector on display screen；
According to each Prediction distance, the position of the light beam incident point on the display screen is determined, and in the position
Upper generation position mark.
2. the position mark method in light beam incident point as described in claim 1, which is characterized in that described according to each light
The intensity of illumination that strong detector detects calculates and obtains the light beam projection of the laser beam projects on the display screen
The Prediction distance of point and each light intensity detector, specifically includes:
According to the intensity of illumination that each light intensity detector detects, obtains each light intensity detector and detect
Light beam angular frequency and light phase
According to each angular frequency and the corresponding light phaseAnd first distance formulaMeter
Calculate the Prediction distance D for obtaining the light beam incident point and each light intensity detector；Wherein, c is the light velocity；N is atmospheric refraction
Coefficient.
3. the position mark method in light beam incident point as described in claim 1, which is characterized in that described according to each light
The intensity of illumination that strong detector detects calculates and obtains the light beam projection of the laser beam projects on the display screen
The Prediction distance of point and each light intensity detector, specifically includes:
The intensity of illumination I and second distance formula detected according to each light intensity detectorCalculating obtains
Obtain the Prediction distance d in the light beam incident point and each light intensity detector；Wherein, t is atmospheric transmissivity；H is described sharp
The irradiation level of light beam.
4. the position mark method in light beam incident point as described in claim 1, which is characterized in that described according to each described pre-
Ranging is from determining the position of the light beam incident point on the display screen, and generate position mark at the location, specifically
Include:
According to each Prediction distance, the position of the light beam incident point on the display screen is determined；
Obtain the form and aspect of the first color on the position in the display screen；
The form and aspect of the form and aspect and first color of the default color for the position mark that judgement will generate at the location
Whether difference is greater than preset threshold value；
If so, generating position mark at the location with the default color；
If it is not, then generating position mark at the location with preset second color for being different from the default color.
5. the position mark method in light beam incident point according to any one of claims 1 to 4, which is characterized in that described to swash
Light beam is infrared laser beam；The light intensity detector is set on the different corners of the display screen.
6. a kind of position indicator in light beam incident point characterized by comprising
Intensity of illumination obtains module, and at least three light intensity detectors for receiving the different location positioned at display screen detect respectively
The intensity of illumination of the laser beam corresponding to projection on the display screen arrived；
Prediction distance obtains module, the intensity of illumination for detecting according to each light intensity detector, and calculating obtains
Obtain the Prediction distance in the laser beam projects light beam incident point on the display screen and each light intensity detector；With
And
Position mark generation module, for determining the light beam incident point in the display screen according to each Prediction distance
On position, and generate position mark at the location.
7. the position indicator in light beam incident point as claimed in claim 6, which is characterized in that the Prediction distance obtains mould
Block specifically includes:
Gain of parameter unit, the intensity of illumination for being detected according to each light intensity detector, obtains each institute
State the angular frequency and light phase of the light beam that light intensity detector detectsAnd
First distance obtaining unit, for according to each angular frequency and the corresponding light phaseAnd first distance
FormulaCalculate the Prediction distance D for obtaining the light beam incident point and each light intensity detector；Its
In, c is the light velocity；N is atmospheric refraction coefficient.
8. the position indicator in light beam incident point as claimed in claim 6, which is characterized in that the Prediction distance obtains mould
Block specifically includes:
Second distance obtaining unit, intensity of illumination I and second distance for being detected according to each light intensity detector
FormulaCalculate the Prediction distance d for obtaining the light beam incident point and each light intensity detector；Wherein, t
For atmospheric transmissivity；H is the irradiation level of the laser beam.
9. the position indicator in light beam incident point as claimed in claim 6, which is characterized in that the position mark generates mould
Block specifically includes:
Position determination unit, for according to each Prediction distance, determining the light beam incident point on the display screen
Position；
Position color obtaining unit, for obtaining the form and aspect of the first color on the position in the display screen；
Hue difference judging unit, the form and aspect of the default color of the position mark for judging to generate at the location and institute
Whether the difference for stating the form and aspect of the first color is greater than preset threshold value；
First position marks generation unit, and the difference for form and aspect and the form and aspect of first color when the default color is greater than
When the threshold value, position mark is generated at the location with the default color；Alternatively,
The second position marks generation unit, and the difference of the form and aspect for the form and aspect and first color when the default color is less
When the threshold value, position mark is generated at the location to be different from preset second color of the default color.
10. the position indicator in the light beam incident point as described in any one of claim 6 to 9, which is characterized in that described to swash
Light beam is infrared laser beam；The light intensity detector is set on the different corners of the display screen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046883.5A CN106524913B (en) | 2016-11-23 | 2016-11-23 | The position mark method and device in light beam incident point |
| PCT/CN2017/105026 WO2018095147A1 (en) | 2016-11-23 | 2017-09-30 | Method and device for labeling location of light point |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046883.5A CN106524913B (en) | 2016-11-23 | 2016-11-23 | The position mark method and device in light beam incident point |
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| CN106524913B true CN106524913B (en) | 2018-12-18 |
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| CN106524913B (en) * | 2016-11-23 | 2018-12-18 | 苏州视源电子技术有限公司 | The position mark method and device in light beam incident point |
| CN107976154B (en) * | 2017-11-16 | 2020-03-13 | 北京工业大学 | Method for measuring upper/lower wall surface profile of channel based on fluorescence intensity |
| CN109102736B (en) * | 2018-08-30 | 2021-08-24 | 歌尔光学科技有限公司 | Laser pen color switching method, device and equipment |
Citations (4)
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|---|---|---|---|---|
| CN101000520A (en) * | 2006-01-13 | 2007-07-18 | 乐金电子（沈阳）有限公司 | Computer demonstration system |
| CN101529978A (en) * | 2006-10-12 | 2009-09-09 | 皇家飞利浦电子股份有限公司 | System and method for light control |
| CN103179728A (en) * | 2011-12-22 | 2013-06-26 | 深圳富泰宏精密工业有限公司 | System and method for controlling laser lamps for browsing slides |
| CN103278094A (en) * | 2013-06-25 | 2013-09-04 | 东莞理工学院 | Laser position measuring device and laser position measuring method |
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| JP4374471B2 (en) * | 2003-08-04 | 2009-12-02 | 学校法人同志社 | Lighting control system and control system |
| CN106524913B (en) * | 2016-11-23 | 2018-12-18 | 苏州视源电子技术有限公司 | The position mark method and device in light beam incident point |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000520A (en) * | 2006-01-13 | 2007-07-18 | 乐金电子（沈阳）有限公司 | Computer demonstration system |
| CN101529978A (en) * | 2006-10-12 | 2009-09-09 | 皇家飞利浦电子股份有限公司 | System and method for light control |
| CN103179728A (en) * | 2011-12-22 | 2013-06-26 | 深圳富泰宏精密工业有限公司 | System and method for controlling laser lamps for browsing slides |
| CN103278094A (en) * | 2013-06-25 | 2013-09-04 | 东莞理工学院 | Laser position measuring device and laser position measuring method |
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| CN106524913A (en) | 2017-03-22 |
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