CN108594246A - A kind of multifunction laser rangefinder - Google Patents
A kind of multifunction laser rangefinder Download PDFInfo
- Publication number
- CN108594246A CN108594246A CN201711475194.0A CN201711475194A CN108594246A CN 108594246 A CN108594246 A CN 108594246A CN 201711475194 A CN201711475194 A CN 201711475194A CN 108594246 A CN108594246 A CN 108594246A
- Authority
- CN
- China
- Prior art keywords
- laser
- wavelength
- ranging
- short distance
- lens
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 17
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 3
- 238000000691 measurement method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
Abstract
The present invention relates to laser ranging systems, disclose a kind of multifunction laser rangefinder, it includes a monocular, two laser transmitting systems and two laser receiver systems, monocular is between laser transmitting system and laser receiver system, laser transmitting system includes long distance laser emission system and short distance laser transmitting system, laser receiver system includes that long distance laser receives system and short distance laser receiver system, by laser pulse and phase combine in the way of, realize short distance high-precision laser phase ranging, the novel distance measuring pattern of remote pulsed laser ranging.The present invention integrates the integration of pulse ranging and phase ranging module, since the range measurement principle of the two is non-interference, the laser source wavelength used is different, integrated measuring of the realization product short distance high-acruracy survey to telemeasurement, a variety of application demands may be implemented in one product, the disadvantage for overcoming previous product ranging application demand single, embodies the multifunction of product.
Description
Technical field
The present invention relates to laser ranging systems, more particularly to a kind of multifunction laser rangefinder.
Background technology
Common laser range finder have measurement long distance from, can generally measure 1 thousand to two km or even farther, also have
Short distance is measured, within usually tens meters, is also had within several meters, the common range measurement principle of laser range finder includes pulse
Ranging, phase ranging and triangle measurement method etc., pulse ranging were counted using the propagation flight time of transmitting light and reception light
Calculate detecting distance, phase ranging be when being propagated in space using detection transmitting light and reflected light the phase difference that occurs detect away from
From triangle measurement method is the geometrical principle using light, according to position of the reflected hot spot of testee on photosensitive element
To calculate detecting distance.In actual use, different ranging products is selected according to different application demands, but cannot achieve one
Ranging demand of a product to far and near distance.
In product integration short distance range finder module of the present invention and remote range finder module a to product, surveyed using pulse
Away from the mode being combined with phase ranging, make product not only can be with high-acruracy survey closely, but also it can be with measurement long distance from operation side
Just, using simple, the multifunction of product is realized.
Invention content
The present invention is directed to the problems of the prior art, provides a kind of multifunction laser rangefinder.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
A kind of multifunction laser rangefinder a comprising monocular, two laser transmitting systems and two laser
Reception system, for monocular between laser transmitting system and laser receiver system, laser transmitting system includes remote
Laser transmitting system and short distance laser transmitting system, long distance laser emission system include first laser light source, the first transmitting
Lens, cemented prism, half pentaprism of ridge, object lens, short distance laser transmitting system include second laser light source and the second transmitting
Lens, laser receiver system include that long distance laser receives system and short distance laser receiver system, and long distance laser receives system
System includes receiving lens plating 400-1000nm all bands anti-reflection film, reflective mirror, spike filter and the first photosensitive element, short distance
Laser receiver system includes receiving lens, reflective mirror, spike filter and the second photosensitive element, and first laser light source is 905nm
The Light-Emitting Diode of wavelength, second laser light source are the Light-Emitting Diode of 650nm wavelength, the field stop position of monocular
If there are one the display units of display distance.
Preferably, monocular includes object lens, half pentaprism of ridge, cemented prism and eyepiece, object lens, ridge half five
Point-blank, half pentaprism of ridge and cemented prism are arranged side by side for prism and eyepiece setting.
Preferably, reflective mirror is the reflective mirror for reflecting 650nm wavelength transmission 905nm wavelength, two spike filters point
Not Wei the first optical filter and the second optical filter, the first optical filter be only penetrate 905nm wavelength a spike filter, other wavelength cut
Only；Second optical filter only penetrates the spike filter of 650nm wavelength, other wavelength cut-offs；The peak induction of first photosensitive element
Wavelength is 905nm；The peak induction wavelength of second photosensitive element is 650nm.
Preferably, the display unit of display distance is liquid crystal display or Organic Light Emitting Diode OLED.
Preferably, the anti-reflection film of the first diversing lens plating 905nm wavelength；Second diversing lens plate the increasing of 650nm wavelength
Permeable membrane.
Present invention employs above scheme to have the advantages that：The present invention integrates pulse ranging and phase ranging module
Integration, since the range measurement principle of the two is non-interference, the laser source wavelength that uses is different, realizes that product is closely high-precision
Degree measures the integrated measuring of telemeasurement, and a product can realize a variety of application demands, and previous product is overcome to survey
The single disadvantage away from application demand, embodies the multifunction of product.
Description of the drawings
Fig. 1-Fig. 4 is the principle of the present invention figure.
The toponym that each number designation is referred in attached drawing is as follows：100-object lens, 101-ridge, half pentaprism,
102-cemented prisms, 103-display units, 104-eyepieces, the 105-the first diversing lens, 106-first laser light sources,
107-the second diversing lens, 108-second laser light sources, 109-receiving lens, 110-reflective mirrors, 111-narrow-band-filters
Piece, the 112-the first photosensitive element, the 113-the first optical filter, the 114-the second photosensitive element, 202-cemented prisms, 301-regard
Field diaphragm, 302-cemented prisms, 303-display lens groups.
Specific implementation mode
Present invention is further described in detail with embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of multifunction laser rangefinder, as Figure 1-Figure 4 comprising a monocular, two Laser emissions
System and two laser receiver systems, monocular is between laser transmitting system and laser receiver system, Laser emission
System includes long distance laser emission system and short distance laser transmitting system, and long distance laser emission system includes first laser
Light source 106, the first diversing lens 105, cemented prism 102, half pentaprism 101 of ridge, object lens 100, short distance Laser emission system
System includes second laser light source 108 and the second diversing lens 107, and laser receiver system includes that long distance laser receives system and closely
Apart from laser receiver system, it includes that receiving lens 109 plate 400-1000nm all bands anti-reflection film, anti-that long distance laser, which receives system,
Light microscopic 110, spike filter 111 and the first photosensitive element 112, short distance laser receiver system includes receiving lens 109, reflective
Mirror 110, spike filter 113 and the second photosensitive element 114, first laser light source 106 are the Light-Emitting Diode of 905nm wavelength,
Second laser light source 108 is the Light-Emitting Diode of 650nm wavelength, the field stop position of monocular set there are one display away from
From display unit 103.
Monocular includes object lens 100, half pentaprism 101 of ridge, cemented prism 102 and eyepiece 104, object lens 100, room
Point-blank, half pentaprism 101 of ridge and cemented prism 102 are arranged side by side for half pentaprism 101 of ridge and the setting of eyepiece 104.
Wherein half pentaprism 101 of ridge and cemented prism 102 can need to change left-right situs position according to light path.
Reflective mirror 110 is the reflective mirror for reflecting 650nm wavelength transmission 905nm wavelength, and two spike filters are respectively the
One optical filter 111 and the second optical filter 113, the first optical filter 111 are the spike filter for only penetrating 905nm wavelength, other waves
Long cut-off；Second optical filter 113 is through the spike filter of 650nm wavelength, other wavelength cut-offs；First photosensitive element 112
Peak induction wavelength be 905nm；The peak induction wavelength of second photosensitive element 114 is 650nm.
The display unit 103 of display distance is liquid crystal display or Organic Light Emitting Diode OLED.
First diversing lens 105 plate the anti-reflection film of 905nm wavelength；Second diversing lens 107 plate the anti-reflection of 650nm wavelength
Film.
Operation principle is as follows：As shown in Figure 1, monocular includes object lens 100, half pentaprism 101 of ridge, cemented prism
102 and eyepiece 104, in its field stop position, there are one liquid crystal displays 103.In remote range-measurement system, laser light
Source 106 emits 905nm laser, from diversing lens 105, cemented prism 102, and half pentaprism 101 of ridge, 100 shoot laser of object lens,
From the reflected optical signal of testee, it is received the reception of lens 109, by reflective mirror 110 and spike filter 111, is arrived
Product and measured object distance are calculated according to pulse ranging principle up to the first photosensitive element 112, farther out due to distance, general ranging
Precision is ± 1 meter or so；In short distance range-measurement system, laser light source 108 emits 650nm laser, swashs from the outgoing of diversing lens 107
Light is received the reception of lens 109 from the reflected optical signal of testee, by reflective mirror 110, spike filter 113,
The second photosensitive element 114 is reached, according to phase ranging principle, calculates product and measured object distance, due to phase measurement and is tested
Distance is closer, and precision can reach a millimeter rank.
As shown in Figure 1, in actually measuring, laser light source 106 and laser light source 108 emit laser, receiving lens simultaneously
109 receive the optical signal of two measured objects reflection simultaneously, distinguish and handle by circuit signal, if tested distance is closer, than
As within 100 meters, then signal data is subject to short distance phase ranging system, and precision is up to millimeter rank；If tested distance compared with
Far, then signal data is subject to remote pulse ranging system, by different data processings, realizes that multi-functional ranging needs
It asks.
As shown in Fig. 2, when changing the light path position of cemented prism 202 and half pentaprism 101 of ridge, it is glued by changing
The shape of prism 202 can also realize telescope prism inverted image and the component part as long distance laser emission system；Work as liquid
When brilliant display unit 103 is using Organic Light Emitting Diode OLED, it can allow 103 Projection Display of liquid crystal display on optical axis, such as
Shown in Fig. 3 and Fig. 4, liquid crystal display 103 is by showing that lens group 303 and cemented prism are imaged on the field stop of telescope
301 positions can greatly increase the transmitance of telescopic system in this way, improve the light levels of visual field, solve liquid crystal shown in Fig. 1
Display unit 103 is placed on optical axis and the problem that causes telescope transmitance not high.
In short, the foregoing is merely a prefered embodiment of the invention, it is all according to equivalent change made by scope of the present invention patent
With modification, it should all belong to the covering scope of patent of the present invention.
Claims (5)
1. a kind of multifunction laser rangefinder, it is characterised in that：It include a monocular, two laser transmitting systems and
Two laser receiver systems, monocular is between laser transmitting system and laser receiver system, laser transmitting system packet
Long distance laser emission system and short distance laser transmitting system are included, long distance laser emission system includes first laser light source
(106), the first diversing lens (105), cemented prism (102), half pentaprism of ridge (101), object lens (100), short distance laser
Emission system includes second laser light source (108) and the second diversing lens (107), and laser receiver system includes that long distance laser connects
Receipts system and short distance laser receiver system, it includes receiving lens (109) plating 400-1000nm complete that long distance laser, which receives system,
Wave band anti-reflection film, reflective mirror (110), spike filter (111) and the first photosensitive element (112), short distance laser receiver system
Including receiving lens (109), reflective mirror (110), spike filter (113) and the second photosensitive element (114), first laser light source
(106) it is the Light-Emitting Diode of 905nm wavelength, second laser light source (108) is the Light-Emitting Diode of 650nm wavelength, and monocular is hoped
The field stop position of remote mirror sets the display unit (103) there are one display distance.
2. a kind of multifunction laser rangefinder according to claim 1, it is characterised in that：Monocular includes object lens
(100), half pentaprism of ridge (101), cemented prism (102) and eyepiece (104), object lens (100), half pentaprism of ridge (101)
Point-blank with eyepiece (104) setting, half pentaprism of ridge (101) and cemented prism (102) are arranged side by side.
3. a kind of multifunction laser rangefinder according to claim 1, it is characterised in that：Reflective mirror (110) is reflection
The reflective mirror of 650nm wavelength transmission 905nm wavelength, two spike filters are respectively that the first optical filter (111) and second are filtered
Piece (113), the first optical filter (111) are the spike filter for only penetrating 905nm wavelength, other wavelength cut-offs；Second optical filter
(113) it is the spike filter for only penetrating 650nm wavelength, other wavelength cut-offs；The peak induction wave of first photosensitive element (112)
A length of 905nm；The peak induction wavelength of second photosensitive element (114) is 650nm.
4. a kind of multifunction laser rangefinder according to claim 1, it is characterised in that：The display unit of display distance
(103) it is liquid crystal display or Organic Light Emitting Diode OLED.
5. a kind of multifunction laser rangefinder according to claim 1, it is characterised in that：First diversing lens (105) plate
The anti-reflection film of 905nm wavelength；Second diversing lens (107) plate the anti-reflection film of 650nm wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475194.0A CN108594246B (en) | 2017-12-29 | 2017-12-29 | Multifunctional laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475194.0A CN108594246B (en) | 2017-12-29 | 2017-12-29 | Multifunctional laser range finder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108594246A true CN108594246A (en) | 2018-09-28 |
| CN108594246B CN108594246B (en) | 2020-11-24 |
Family
ID=63633018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711475194.0A Active CN108594246B (en) | 2017-12-29 | 2017-12-29 | Multifunctional laser range finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108594246B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814122A (en) * | 2019-03-13 | 2019-05-28 | 重庆市华阳光学仪器有限公司 | A kind of new pattern laser rangefinder |
| CN111239751A (en) * | 2020-03-17 | 2020-06-05 | 金华市蓝海光电技术有限公司 | Laser distance measuring device |
| CN111812665A (en) * | 2020-07-09 | 2020-10-23 | 金华市蓝海光电技术有限公司 | Pulse and phase integrated laser ranging device |
| CN112748424A (en) * | 2019-10-31 | 2021-05-04 | 傲基科技股份有限公司 | Laser range finder and laser range finding method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100157282A1 (en) * | 2007-09-05 | 2010-06-24 | Nikon Vision Co., Ltd. | Range finder |
| CN104297742A (en) * | 2014-06-24 | 2015-01-21 | 金华市蓝海光电技术有限公司 | Laser ranging beam-splitting system |
| CN106249247A (en) * | 2016-08-30 | 2016-12-21 | 南阳英锐光电科技股份有限公司 | A kind of semiconductor laser range optical system and diastimeter |
| CN106291509A (en) * | 2016-10-12 | 2017-01-04 | 北京万集科技股份有限公司 | Laser radar optical system |
| CN106444003A (en) * | 2016-08-29 | 2017-02-22 | 甘晟华 | Telescope range finder |
| CN107238840A (en) * | 2017-07-21 | 2017-10-10 | 深圳市迈测科技股份有限公司 | pulse laser high speed ranging optical system |
| US10234283B2 (en) * | 2014-12-29 | 2019-03-19 | Sintai Optical (Shenzhen) Co., Ltd. | Binoculars rangefinder |
-
2017
- 2017-12-29 CN CN201711475194.0A patent/CN108594246B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100157282A1 (en) * | 2007-09-05 | 2010-06-24 | Nikon Vision Co., Ltd. | Range finder |
| CN104297742A (en) * | 2014-06-24 | 2015-01-21 | 金华市蓝海光电技术有限公司 | Laser ranging beam-splitting system |
| US10234283B2 (en) * | 2014-12-29 | 2019-03-19 | Sintai Optical (Shenzhen) Co., Ltd. | Binoculars rangefinder |
| CN106444003A (en) * | 2016-08-29 | 2017-02-22 | 甘晟华 | Telescope range finder |
| CN106249247A (en) * | 2016-08-30 | 2016-12-21 | 南阳英锐光电科技股份有限公司 | A kind of semiconductor laser range optical system and diastimeter |
| CN106291509A (en) * | 2016-10-12 | 2017-01-04 | 北京万集科技股份有限公司 | Laser radar optical system |
| CN107238840A (en) * | 2017-07-21 | 2017-10-10 | 深圳市迈测科技股份有限公司 | pulse laser high speed ranging optical system |
Non-Patent Citations (1)
| Title |
|---|
| 赵文成等: "基于双探测器的手持式激光测距仪系统设计与实现", 《中南大学学报（自然科学版）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814122A (en) * | 2019-03-13 | 2019-05-28 | 重庆市华阳光学仪器有限公司 | A kind of new pattern laser rangefinder |
| CN112748424A (en) * | 2019-10-31 | 2021-05-04 | 傲基科技股份有限公司 | Laser range finder and laser range finding method |
| CN111239751A (en) * | 2020-03-17 | 2020-06-05 | 金华市蓝海光电技术有限公司 | Laser distance measuring device |
| WO2021184398A1 (en) * | 2020-03-17 | 2021-09-23 | 金华市蓝海光电技术有限公司 | Laser ranging device |
| CN111812665A (en) * | 2020-07-09 | 2020-10-23 | 金华市蓝海光电技术有限公司 | Pulse and phase integrated laser ranging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108594246B (en) | 2020-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10126426B2 (en) | Multi-clad fiber-based light detection and ranging sensor | |
| CN109661594B (en) | Intermediate range optical system for remote sensing receiver | |
| CN108594246A (en) | A kind of multifunction laser rangefinder | |
| US20050219690A1 (en) | Riflescope and the laser rangefinder used therein | |
| CN106680917B (en) | Composite prism for multifunctional telescope and binocular telescope optical system thereof | |
| CN208092234U (en) | A kind of multifunction laser rangefinder | |
| WO1999031516A1 (en) | Speed and position measurement system | |
| CN110058419B (en) | Erecting system and binocular laser ranging telescope | |
| CN114730025B (en) | Composite prism based on isosceles prism and laser ranging telescope thereof | |
| JP2020514838A (en) | Compound prism used in multifunctional telescope and its binocular optical system | |
| US8599482B2 (en) | Telescopic sight | |
| US20200124417A1 (en) | Surveying apparatus for surveying an object | |
| EP3306343B1 (en) | Through-the-lens, co-aligned optical aiming system for a phase-type, laser-based distance measuring device | |
| US7505120B2 (en) | Laser riflescope with enhanced display brightness | |
| CN104777486A (en) | Handheld laser short-distance measurement instrument | |
| US7826039B2 (en) | Target acquisition device | |
| WO2022012031A1 (en) | Laser rangefinder employing two light sources | |
| RU2381445C1 (en) | Laser binocular range finder | |
| US20230341552A1 (en) | Miniaturized wide-range laser range finder | |
| US6717654B1 (en) | Combined range-finding, sighting and scanning system and method | |
| CN213600058U (en) | Laser rangefinder equipment and laser range finder thereof | |
| CN107238840B (en) | Pulse laser high-speed distance measuring optical system | |
| CN1844949B (en) | Method for improving display brightness of laser distance measurer | |
| US7599116B2 (en) | Display device for telescope system | |
| CN213986813U (en) | Multifunctional pulse laser ranging optical system |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A multifunctional laser rangefinder Effective date of registration: 20210927 Granted publication date: 20201124 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA LANHAI PHOTOELECTRICITY TECHNOLOGY Co.,Ltd. Registration number: Y2021330001777 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220822 Granted publication date: 20201124 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA LANHAI PHOTOELECTRICITY TECHNOLOGY CO.,LTD. Registration number: Y2021330001777 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A multifunctional laser rangefinder Effective date of registration: 20220829 Granted publication date: 20201124 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA LANHAI PHOTOELECTRICITY TECHNOLOGY CO.,LTD. Registration number: Y2022980013768 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230821 Granted publication date: 20201124 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA LANHAI PHOTOELECTRICITY TECHNOLOGY CO.,LTD. Registration number: Y2022980013768 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A multifunctional laser rangefinder Effective date of registration: 20230824 Granted publication date: 20201124 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: JINHUA LANHAI PHOTOELECTRICITY TECHNOLOGY CO.,LTD. Registration number: Y2023980053586 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |