CN112738957B - Method for controlling shading compensation of operation shadowless lamp - Google Patents

Method for controlling shading compensation of operation shadowless lamp Download PDF

Info

Publication number
CN112738957B
CN112738957B CN202011579959.7A CN202011579959A CN112738957B CN 112738957 B CN112738957 B CN 112738957B CN 202011579959 A CN202011579959 A CN 202011579959A CN 112738957 B CN112738957 B CN 112738957B
Authority
CN
China
Prior art keywords
shadowless lamp
trigger sensitivity
color temperature
trigger
lamp
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
Application number
CN202011579959.7A
Other languages
Chinese (zh)
Other versions
CN112738957A (en
Inventor
刘玮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Yian Aomei Medical Equipment Co ltd
Original Assignee
Hebei Yian Aomei Medical Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei Yian Aomei Medical Equipment Co ltd filed Critical Hebei Yian Aomei Medical Equipment Co ltd
Priority to CN202011579959.7A priority Critical patent/CN112738957B/en
Publication of CN112738957A publication Critical patent/CN112738957A/en
Application granted granted Critical
Publication of CN112738957B publication Critical patent/CN112738957B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • H05B47/115Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • H05B47/115Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H05B47/13Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using passive infrared detectors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Endoscopes (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention belongs to the technical field of medical equipment, and particularly relates to a method for controlling shading compensation of a surgical shadowless lamp, which comprises the following steps: calculating default trigger sensitivity according to the acquired trigger value acquired by the sensor in real time; calculating a color temperature distribution value according to a preset surgical shadowless lamp setting value; according to the obtained color temperature distribution value, correcting the default trigger sensitivity to obtain the corrected trigger sensitivity; and controlling shading compensation of the operation shadowless lamp according to the corrected trigger sensitivity.

Description

Method for controlling shading compensation of operation shadowless lamp
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a method for controlling shading compensation of an operating shadowless lamp.
Background
Surgical shadowless lamps are used to illuminate the surgical site for optimal viewing of small, low contrast objects at various depths in the incision and body cavity. Among the technical performance indexes of the surgical shadowless lamp, the color temperature is one of the most important performance indexes. The color temperature of the common operation shadowless lamp with the color temperature adjusting function is adjusted within the range of 3000K-5700K. During the operation, the illumination area of the operation shadowless lamp may be shielded according to different positions of medical staff. The shading compensation function refers to automatically adjusting the illumination intensity of the operating shadowless lamp after shading is formed, in the existing shading compensation adjusting method, an infrared sensor or a photoelectric sensor is generally adopted as a trigger sensor, a plurality of collected trigger values are weighted and averaged, the color temperature sensitivity is directly compared, and shading compensation is realized according to judgment conditions.
However, the influence of different color temperatures on the infrared sensor or the photoelectric sensor is not considered in the existing adjusting method, and the different color temperatures are not corrected under the environment of different color temperatures, so that the trigger sensitivity is deviated, the precision of the trigger sensitivity is reduced, the judgment result is influenced, and the shading compensation effect is further influenced.
Disclosure of Invention
In order to solve the above-mentioned drawbacks of the prior art, the present invention provides a method for controlling shading compensation of a surgical shadowless lamp, comprising:
calculating default trigger sensitivity according to the acquired trigger value acquired by the sensor in real time;
calculating a color temperature distribution value according to a preset surgical shadowless lamp setting value;
according to the obtained color temperature distribution value, correcting the default trigger sensitivity to obtain the corrected trigger sensitivity;
and controlling shading compensation of the operation shadowless lamp according to the corrected trigger sensitivity.
As one improvement of the above technical solution, the default trigger sensitivity is calculated according to the acquired trigger value acquired by the sensor in real time; the specific process comprises the following steps:
the sensor collects a plurality of trigger values in real time, and carries out weighted average on the plurality of trigger values to obtain default trigger sensitivity.
As one improvement of the above technical solution, the color temperature distribution value is calculated according to a preset surgical shadowless lamp setting value; the specific process comprises the following steps:
through setting up the control panel on the shadowless lamp of performing the operation, adjust the shadowless lamp of performing the operation, obtain the illuminance set value and the colour temperature set value of shadowless lamp of performing the operation, according to the illuminance set value and the colour temperature set value of the shadowless lamp of performing the operation that obtain, calculate colour temperature distribution value:
P=(a×K+C)×b (1)
wherein, P is a color temperature distribution value; a is the illumination setting value of the operation shadowless lamp; k is the maximum illumination of the lamp group of the operation shadowless lamp; c is the minimum illumination of the lamp group of the operation shadowless lamp; b is the color temperature setting of the surgical shadowless lamp.
As one improvement of the above technical solution, the default trigger sensitivity is modified according to the obtained color temperature distribution value to obtain a modified trigger sensitivity; the specific process comprises the following steps:
and correcting the default trigger sensitivity according to the obtained color temperature distribution value P:
S'=S×a 1 +L p ×b 1 +H p ×c 1 (2)
wherein S' is the corrected trigger sensitivity; s is the default trigger sensitivity; a is a 1 A scaling factor for a default trigger sensitivity; l is a radical of an alcohol p Distributing values for the color temperatures of the low color temperature lamp set; b 1 A proportionality coefficient of a value is allocated to the color temperature of the low color temperature lamp set; h p Distributing values for the color temperatures of the high-color-temperature lamp set; c. C 1 A proportionality coefficient of a value is distributed for the color temperature of the high-color-temperature lamp group;
wherein the content of the first and second substances,
Figure GDA0003970411720000021
and (4) calculating and obtaining the corrected trigger sensitivity according to the formula (2).
As one improvement of the technical scheme, the shading compensation of the operation shadowless lamp is controlled according to the corrected trigger sensitivity; the specific process comprises the following steps:
judging whether the corrected trigger sensitivity reaches a preset trigger threshold value or not according to the obtained corrected trigger sensitivity;
if the corrected trigger sensitivity is greater than or equal to a preset trigger threshold, starting shading compensation of the operation shadowless lamp;
and if the corrected trigger sensitivity is smaller than a preset trigger threshold, suspending shading compensation of the operating shadowless lamp.
As one improvement of the above technical solution, the sensor is an infrared sensor or a photoelectric sensor.
Compared with the prior art, the invention has the beneficial effects that:
the method corrects the trigger sensitivity, calculates the color temperature distribution value according to the corresponding relation between the color temperature output by the operation shadowless lamp and the set value acquired by the sensor, corrects the trigger sensitivity according to the calculated color temperature distribution value, and greatly improves the precision of the trigger sensitivity under the condition of not introducing new data variables, so that the judgment result is more accurate and precise, and the shading compensation effect is better.
Drawings
FIG. 1 is a flow chart of a method of the present invention for controlling shading compensation of a surgical shadowless lamp.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a method for controlling shading compensation of a surgical shadowless lamp, the method comprising:
calculating default trigger sensitivity according to the acquired color temperature value acquired by the sensor in real time;
specifically, the sensor collects a plurality of trigger values in real time, and performs weighted average on the plurality of trigger values to obtain default trigger sensitivity.
Calculating a color temperature distribution value according to a preset surgical shadowless lamp setting value;
specifically, through setting up the control panel on the shadowless lamp of performing the operation, adjust the shadowless lamp of performing the operation, obtain the illuminance set value and the colour temperature set value of shadowless lamp of performing the operation, according to the illuminance set value and the colour temperature set value of the shadowless lamp of performing the operation that obtain, calculate colour temperature distribution value:
P=(a×K+C)×b (1)
wherein, P is a color temperature distribution value; a is the illumination setting value of the operation shadowless lamp; k is the maximum illumination of the lamp group of the operation shadowless lamp; c is the minimum illumination of the lamp group of the operation shadowless lamp; b is the color temperature setting of the surgical shadowless lamp.
The obtained color temperature distribution value is a value under the environment of the illuminating surface of the shadowless lamp, and the value is equal to the color temperature value of the shadowless lamp and is not influenced by the color temperature environment.
According to the obtained color temperature distribution value, correcting the default trigger sensitivity to obtain the corrected trigger sensitivity;
specifically, according to the obtained color temperature distribution value P, the default trigger sensitivity is modified:
S'=S×a 1 +L p ×b 1 +H p ×c 1 (2)
wherein S' is the corrected trigger sensitivity; s is the default trigger sensitivity; a is 1 A scaling factor for a default trigger sensitivity; l is a radical of an alcohol p Distributing values for the color temperatures of the low color temperature lamp set; b 1 A proportionality coefficient of a value is allocated to the color temperature of the low color temperature lamp set; h p Distributing values for the color temperatures of the high-color-temperature lamp group; c. C 1 A proportionality coefficient of a value is distributed for the color temperature of the high-color-temperature lamp group;
wherein the content of the first and second substances,
Figure GDA0003970411720000041
and (4) calculating and obtaining the corrected trigger sensitivity according to the formula (2).
And controlling shading compensation of the operation shadowless lamp according to the corrected trigger sensitivity.
Judging whether the corrected trigger sensitivity reaches a preset trigger threshold value or not according to the obtained corrected trigger sensitivity;
if the corrected trigger sensitivity is greater than or equal to a preset trigger threshold, starting shading compensation of the operation shadowless lamp;
and if the corrected trigger sensitivity is smaller than a preset trigger threshold, suspending shading compensation of the operating shadowless lamp.
The preset trigger threshold in this embodiment is:
Y=A+X
wherein Y is a preset trigger threshold; a is a zero value acquired by a sensor under the condition of no shielding of 1 meter; x is a correction constant of the trigger threshold;
the sensor is an infrared sensor or a photoelectric sensor. In this embodiment, the sensor is an infrared sensor.
In the implementation process of the shading compensation function, the method corrects the trigger sensitivity, and the color temperature distribution value can be calculated according to the corresponding relation between the color temperature output by the operation shadowless lamp and the set value, which is acquired by the sensor. Meanwhile, the output illumination of the operation shadowless lamp is 40-160 klx which is far higher than the ambient illumination by 0.1-1.0 klx, so the color temperature influence of the ambient illumination can be ignored. Based on the two points, no new data variable is introduced for correcting the trigger sensitivity, and meanwhile, the influence of external environmental factors is avoided, the overall effect is stable and reliable, the precision of the trigger sensitivity is greatly improved, the judgment result is more accurate and precise, and the shading compensation effect is better.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (5)

1. A method for controlling shading compensation of a surgical shadowless lamp, the method comprising:
calculating default trigger sensitivity according to the acquired trigger value acquired by the sensor in real time;
calculating a color temperature distribution value according to a preset surgical shadowless lamp setting value; the specific process comprises the following steps:
through setting up the control panel on the shadowless lamp of performing the operation, adjust the shadowless lamp of performing the operation, obtain the illuminance setting value and the colour temperature setting value of the shadowless lamp of performing the operation, according to the illuminance setting value and the colour temperature setting value of the shadowless lamp of performing the operation that obtain, calculate the colour temperature distribution value:
P=(a×K+C)×b (1)
wherein, P is a color temperature distribution value; a is the illumination setting value of the operation shadowless lamp; k is the maximum illumination of the lamp group of the operation shadowless lamp; c is the minimum illumination of the lamp group of the operation shadowless lamp; b is the color temperature setting value of the operation shadowless lamp;
according to the obtained color temperature distribution value, correcting the default trigger sensitivity to obtain the corrected trigger sensitivity;
and controlling shading compensation of the operation shadowless lamp according to the corrected trigger sensitivity.
2. The method for controlling shading compensation of a surgical shadowless lamp of claim 1 wherein the default trigger sensitivity is calculated from the acquired trigger values acquired by the sensor in real time; the specific process comprises the following steps:
and after the sensor collects a plurality of trigger values in real time, carrying out weighted average on the plurality of trigger values to obtain default trigger sensitivity.
3. The method for controlling shading compensation of a surgical shadowless lamp of claim 1 wherein the default trigger sensitivity is modified according to the obtained color temperature distribution value to obtain a modified trigger sensitivity; the specific process comprises the following steps:
and correcting the default trigger sensitivity according to the obtained color temperature distribution value P:
S'=S×a 1 +L p ×b 1 +H p ×c 1 (2)
wherein S' is the corrected trigger sensitivity; s is the default trigger sensitivity; a is 1 A scaling factor for a default trigger sensitivity; l is p Assigning values to the color temperatures of the low color temperature lamp group; b 1 A proportionality coefficient of a value is allocated to the color temperature of the low color temperature lamp set; h p Distributing values for the color temperatures of the high-color-temperature lamp set; c. C 1 The proportionality coefficient of the color temperature distribution value is distributed to the high color temperature lamp set;
wherein the content of the first and second substances,
Figure FDA0004004006470000011
and (3) calculating and obtaining the corrected trigger sensitivity according to the formula (2).
4. The method for controlling shading compensation of a surgical shadowless lamp of claim 1 wherein the shading compensation of the surgical shadowless lamp is controlled according to the corrected trigger sensitivity; the specific process comprises the following steps:
judging whether the corrected trigger sensitivity reaches a preset trigger threshold value or not according to the obtained corrected trigger sensitivity;
if the corrected trigger sensitivity is greater than or equal to a preset trigger threshold, starting shading compensation of the operation shadowless lamp;
and if the corrected trigger sensitivity is smaller than a preset trigger threshold, suspending shading compensation of the operating shadowless lamp.
5. The method for controlling shading compensation of a surgical shadowless lamp of claim 1 wherein the sensor is an infrared sensor or a photosensor.
CN202011579959.7A 2020-12-28 2020-12-28 Method for controlling shading compensation of operation shadowless lamp Active CN112738957B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011579959.7A CN112738957B (en) 2020-12-28 2020-12-28 Method for controlling shading compensation of operation shadowless lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011579959.7A CN112738957B (en) 2020-12-28 2020-12-28 Method for controlling shading compensation of operation shadowless lamp

Publications (2)

Publication Number Publication Date
CN112738957A CN112738957A (en) 2021-04-30
CN112738957B true CN112738957B (en) 2023-02-28

Family

ID=75606501

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011579959.7A Active CN112738957B (en) 2020-12-28 2020-12-28 Method for controlling shading compensation of operation shadowless lamp

Country Status (1)

Country Link
CN (1) CN112738957B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117015121B (en) * 2023-10-07 2023-12-15 南通医疗器械有限公司 Fault alarm management method and system for shadowless lamp

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202188383U (en) * 2011-07-11 2012-04-11 上海吉顺医疗器械制造有限公司 LED operating shadowless lamp and control device
CN103791240A (en) * 2014-02-14 2014-05-14 黑龙江科技大学 Intelligent laser shadowless lighting system for medical treatment
CN104363676A (en) * 2014-10-28 2015-02-18 江苏天语雅思医疗设备有限公司 LED surgical shadowless lamp system with full-automatic intelligent constant-light control function
CN204681641U (en) * 2015-06-01 2015-09-30 深圳市人民医院 A kind of intelligent LED operation shadowless lamp
CN105681782A (en) * 2016-01-11 2016-06-15 广东欧珀移动通信有限公司 Color temperature sensor calibration method and related device
CN106369482A (en) * 2016-08-31 2017-02-01 昆山邦泰汽车零部件制造有限公司 Operation shadowless lamp and use method thereof
CN106439621A (en) * 2016-11-03 2017-02-22 山东力文医疗器械有限公司 LED operation shadowless lamp provided with various composite lenses and adjustment method
CN109803465A (en) * 2019-01-09 2019-05-24 常州数言信息技术有限公司 Illumination and color temperature compensating control method and system based on room lighting
CN110460763A (en) * 2019-09-23 2019-11-15 天津天地伟业信息系统集成有限公司 A kind of multi color temperature dynamic regulation integrated camera and image capture method
CN111800568A (en) * 2020-08-06 2020-10-20 珠海格力电器股份有限公司 Light supplement method and device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE525861T1 (en) * 2008-09-30 2011-10-15 Trumpf Medizin Systeme Gmbh & Co Kg SYSTEM WITH A SURGICAL LIGHT, A CAMERA AND A MONITOR
TWI419615B (en) * 2009-08-31 2013-12-11 Young Lighting Technology Corp Illumination system and illumination control method thereof
US9349346B2 (en) * 2014-05-26 2016-05-24 Novatek Microelectronics Corp. Display apparatus and method and color temperature compensation apparatus thereof
JP6991944B2 (en) * 2018-08-02 2022-02-03 株式会社遠藤照明 Dimming lighting system and dimming toning lighting system
CN109948184B (en) * 2019-02-01 2022-11-08 东莞广亮山贸易有限公司 Illumination mixed light calculation method and device, computer equipment and storage medium
CN110740307A (en) * 2019-11-18 2020-01-31 重庆金山医疗技术研究院有限公司 Automatic white balance endoscope and white balance parameter adjusting method
CN111336422B (en) * 2020-02-28 2022-07-05 南通大学 LED shadowless lamp light supplementing device and light supplementing method thereof
CN111752312B (en) * 2020-06-24 2023-06-27 上海理工大学 Automatic light adjusting device of shadowless lamp with self-adaptive distance

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202188383U (en) * 2011-07-11 2012-04-11 上海吉顺医疗器械制造有限公司 LED operating shadowless lamp and control device
CN103791240A (en) * 2014-02-14 2014-05-14 黑龙江科技大学 Intelligent laser shadowless lighting system for medical treatment
CN104363676A (en) * 2014-10-28 2015-02-18 江苏天语雅思医疗设备有限公司 LED surgical shadowless lamp system with full-automatic intelligent constant-light control function
CN204681641U (en) * 2015-06-01 2015-09-30 深圳市人民医院 A kind of intelligent LED operation shadowless lamp
CN105681782A (en) * 2016-01-11 2016-06-15 广东欧珀移动通信有限公司 Color temperature sensor calibration method and related device
CN106369482A (en) * 2016-08-31 2017-02-01 昆山邦泰汽车零部件制造有限公司 Operation shadowless lamp and use method thereof
CN106439621A (en) * 2016-11-03 2017-02-22 山东力文医疗器械有限公司 LED operation shadowless lamp provided with various composite lenses and adjustment method
CN109803465A (en) * 2019-01-09 2019-05-24 常州数言信息技术有限公司 Illumination and color temperature compensating control method and system based on room lighting
CN110460763A (en) * 2019-09-23 2019-11-15 天津天地伟业信息系统集成有限公司 A kind of multi color temperature dynamic regulation integrated camera and image capture method
CN111800568A (en) * 2020-08-06 2020-10-20 珠海格力电器股份有限公司 Light supplement method and device

Also Published As

Publication number Publication date
CN112738957A (en) 2021-04-30

Similar Documents

Publication Publication Date Title
CN112738957B (en) Method for controlling shading compensation of operation shadowless lamp
CN102858072B (en) Lighting control method and system
CN111556605B (en) Method and system for controlling constant brightness of working surface of table lamp, storage medium and table lamp
CN108234971B (en) White balance parameter determines method, white balance adjustment method and device, storage medium, terminal
CN105118434B (en) Display screen adjusts display optimization method at times
CN112255784A (en) Design method of white light LED (light emitting diode) with adjustable light Duv and illumination system thereof
CN110517648A (en) The light-dimming method and system of display device
CN113965739A (en) Projection equipment control method, device, medium and electronic equipment
CN109297592A (en) A kind of method and relevant apparatus of stabilized light source
CN105513563A (en) Digitized head-up display brightness control device
CN209961332U (en) Photometric monitoring system with real-time feedback in environmental simulation
CN115052386A (en) Method and system for regulating and controlling LED array illumination effect
CN114126145A (en) Method for adjusting linear perception of color temperature of lamp and application thereof
CN108601154A (en) Permanent illumination indoor lighting controller based on camera and depth camera
CN106908150B (en) Embedded system correlated colour temperature quick calculation method
CN112954847B (en) Light brightness adjusting method and terminal for formation unmanned aerial vehicle
TWI574608B (en) Plant factory with light recipe verification platform
CN110880306B (en) Color restoration correction method for medical display
CN111275630B (en) Cell image adjusting method and device and electron microscope
CN111145332B (en) General method for designing photometry for home decoration
CN116685015B (en) Light control method based on ambient light
CN105509901B (en) High-precision measuring method of the illuminator with respect to colour temperature
CN217307926U (en) Lamp capable of automatically correcting light color
CN109147920A (en) A kind of tcm inspection tunable light source
CN116634289B (en) Method for dimming overexposed area of image sensor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant