CN105530415B - Big target surface low-light (level) whole day ball camera system - Google Patents
Big target surface low-light (level) whole day ball camera system Download PDFInfo
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- CN105530415B CN105530415B CN201610037419.3A CN201610037419A CN105530415B CN 105530415 B CN105530415 B CN 105530415B CN 201610037419 A CN201610037419 A CN 201610037419A CN 105530415 B CN105530415 B CN 105530415B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
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Abstract
The present invention relates to a kind of big target surface low-light (level) whole day ball camera systems, including sensing chip, right-angle prism and two wide-angle lens, reflecting surface there are two being set on right-angle prism, two wide-angle lens are symmetrically divided into the incident light axis of right-angle prism two sides and each wide-angle lens and the reflecting surface of respective side into 45 degree of angle, sensing chip and two reflectings surface are in 45 degree of angle, the field angle of wide-angle lens is 220 degree or more and F- θ distortion < 15%, and effective rear cut-off distance of wide-angle lens is greater than 5.6mm.The system converges light using two 220 degree of field angle or more of wide-angle lens, then by being imaged after right-angle prism deviation to the same sensing chip, two wide-angle lens share a sensing chip and form a kind of big target surface low-light (level) whole day ball camera system, increase the effective aperture of system, reduce the marginal distortion of system, the resolution ratio for substantially increasing system entirety makes system effect reach comprehensive 720 ° of visual effect.
Description
Technical field
The present invention relates to a kind of big target surface low-light (level) whole day ball camera systems, are suitable for DV, movement, stage shooting and hotel
Deng.
Background technique
With the continuous development of Chinese society economy, living standards of the people are increasingly promoted, and people require to get over to quality of the life
Come higher.People are increasingly keen to tourism, performance, movement etc. is participated in.In order to remember once fine memory, people use phase
At the time of the tool records such as machine, DV have descended to enable oneself excitement.However camera existing on the market and the DV overwhelming majority can only at present
The picture of record front certain angle, can not record whole scenes of fine picture at that time, also or due to having on the market
Panorama camera price it is too high, and it is barely satisfactory to shoot picture quality.And it is sorry that fine memory is left.In order to allow
People leave perfect memory, develop big target surface low-light (level) whole day ball camera system.
Have the similar full filed angle manufactured by full shot on the market at present and reach three-dimensional 720 ° of system, makes
Technology, which is a full shot, is made into unidirectional 360 ° of panorama system with unifying a sensing chip, then by two lists
The panorama system in direction matches the panorama system for being combined into 720 ° of twocouese, and the method is using there are two sensing chips.Or
Three corresponding or more sensing chip forms panorama system with three or more camera lens systems, then spells to multi-picture
It connects.System setting is cumbersome, expensive.Be not suitable for promoting.
Summary of the invention
It is an object of the invention to overcome disadvantage mentioned above, a kind of big target surface low-light (level) whole day ball camera system is provided, this is
System converges light using two 220 degree of field angle or more of wide-angle lens, then by being imaged after right-angle prism deviation to same
On a sensing chip, two wide-angle lens share a sensing chip and form a kind of big target surface low-light (level) whole day ball camera system,
The effective aperture of system is increased, the marginal distortion of system is reduced, the resolution ratio of system entirety is substantially increased, imitates system
Fruit reaches comprehensive 720 ° of visual effect.
The present invention is implemented as follows: a kind of big target surface low-light (level) whole day ball camera system, it is characterised in that: including sensing
Chip, right-angle prism and two wide-angle lens, set that there are two orthogonal reflectings surface on the right-angle prism, described two
Wide-angle lens is symmetrically divided into the incident light axis of right-angle prism two sides and each wide-angle lens and the reflecting surface of respective side into 45 degree
Angle, the sensing chip is for receiving the incident ray after two reflecting surface deviations and be in 45 degree with two reflectings surface
Angle, the field angle of the wide-angle lens is 220 degree or more and F- θ < 15% that distorts, effective rear cut-off distance of the wide-angle lens
Greater than 5.6mm.
The wide-angle lens includes body tube and the focal power being set in turn in body tube along light incident direction is
The rear microscope group that negative front lens group, fixed diaphram, focal power are positive, the focal range of the front lens group between -40~-70mm,
The focal range of microscope group is between 4~20mm after described.
The front lens group is successively arranged by the first lens, the second lens, the third lens and the 4th lens along light incident direction
Column composition, the selenodont lens wherein the first lens and the second lens are positive, the third lens are plano-concave lens, and the 4th lens are biconvex
Lens；Microscope group, which is arranged successively by the 5th lens, the 6th lens and the 7th lens along light incident direction, after described forms, wherein the
Five lens double concave type lens, the 6th lens are lenticular lens, and the 7th lens are lenticular lens, the 5th lens and the 6th
The gluing unit of lens composition contiguity.
Each lens of the front lens group need to be met the following optical conditions:
1.8 < n1 < 1.95,33 < v1 < 36.5；
1.7 < n2 < 1.85,40 < v2 < 47；
1.58 < n3 < 1.7,50 < v3 < 62；
1.82 < n4 < 1.95,18 < v4 < 25；
Wherein n1-n4 is followed successively by the refractive index of first the-the four lens of lens, and v1-v4 is followed successively by first the-the five lens of lens
Abbe number；
Each lens of microscope group need to be met the following optical conditions after described:
1.88 < n5 < 1.92,18.5 < v5 < 22；
1.6 < n6 < 1.75,50 < v6 < 57；
1.8 < n7 < 1.9,40 < v7 < 48；
Wherein n5-n7 is followed successively by the refractive index of the 5th the-the seven lens of lens, and v5-v7 is followed successively by the 5th the-the seven lens of lens
Abbe number.
The air gap between first lens and the second lens is 3 ± 0.3mm, second lens and the third lens
Between the air gap be 7.9 ± 0.3mm, the air gap between the third lens and the 4th lens is 0.2 ± 0.1mm,
The air gap between the fixed diaphram and rear microscope group is 1.6 ± 0.3mm, the sky between the 6th lens and the 7th lens
Gas gap is 0.14 ± 0.1mm.
The wide-angle lens further includes preceding pressing ring, the first mechanical spacer ring, the second mechanical spacer ring, third mechanical spacer ring and the 4th
Mechanical spacer ring, first lens are fixedly installed in the front end nozzle of body tube, and the preceding pressing ring is fixedly installed in body tube
Front end nozzle it is outer and position-limiting action is risen to the front position of the first lens；Second lens, the third lens, the 4th lens,
5th lens, the 6th lens and the 7th lens are successively fixedly installed in body tube body along light incident direction；Described
One mechanical spacer ring is fixedly installed in the front cylinder inner wall of body tube and between the second lens and the third lens to limit two
The airspace of person；Second mechanical spacer ring is fixedly installed in the back cylinder inner wall of body tube and is located at the 4th lens and light
The airspace of the two is limited between column；The third mechanical spacer ring is fixedly installed in the back cylinder inner wall of body tube and position
The airspace of the two is limited between light bar and the 5th lens；After 4th mechanical spacer ring is fixedly installed in body tube
Portion's cylinder inboard wall and the airspace that the two is limited between the 6th lens and the 7th lens.
The first mechanical spacer ring inner wall is equipped with delustring screw thread.
Plating is formed with high-reflecting film and is 95% or more to the light reflectivity of 400~650nm of wave band on each reflecting surface.
For the prior art, the invention has the following advantages that
(1) big target surface low-light (level) whole day ball camera system provided by the invention is wide using two 220 degree of field angle or more
Angle mirror head converges light, then by imaging to the same sensing chip, increasing the effective of system after right-angle prism deviation
Aperture reduces the marginal distortion of system, substantially increases the resolution ratio of system entirety, and system effect is made to reach comprehensive 720 °
Visual effect；
(2) big target surface low-light (level) whole day ball camera system provided by the invention, the first lens use Refractive Index of Material n1 model
Enclose 1.8 to 1.95, the heavy-lanthanide flint glass of Abbe number V1 range 33-36.5, by high refractive index, the heavy-lanthanide flint glass of low dispersion
Glass increases the ability of system aggregates light, increases the clearance aperture of system, and effectively reduce the volume of first eyeglass,
To effectively reduce the volume of whole system；
(3) big target surface low-light (level) whole day ball camera system provided by the invention, the second lens use Refractive Index of Material n2 model
1.7 to 1.85 are enclosed, the heavy-lanthanide flint glass of Abbe number range 40-47, further convergence is by passing through the light of the first lens, and has
The aberrations such as the astigmatism that effect first eyeglass of balance generates；
(4) big target surface low-light (level) whole day ball camera system provided by the invention, the 4th lens use model in Refractive Index of Material
1.82 to 1.95 are enclosed, eyeglass biconvex shape is arranged in the heavy-lanthanide flint glass of Abbe number v4 range 18-25, and high refractive index is effectively flat
The coma for the system that weighed, lifting system resolution ratio；
(5) big target surface low-light (level) whole day ball camera system provided by the invention, the 5th lens use the refractive index n5 of material
Range is 1.88 to 1.92, Abbe number V5 range 18.5 to 22, and setting eyeglass bi-concave shape has so that curved surface bends towards light bar face
Imitate the curvature of field and distortion of reduction system；
(6) big target surface low-light (level) whole day ball camera system provided by the invention, the 6th lens use the refractive index n6 of material
The gluing unit active balance system of range 1.6 to 1.75, the lanthanum flint glass of Abbe number range 50 to 57, C-1 and C-2 contiguity
Color difference and astigmatism；
(7) big target surface low-light (level) whole day ball camera system provided by the invention, the 7th lens use the refractive index n7 of material
Range is 1.8 to 1.9, and eyeglass biconvex shape is arranged, it is therefore an objective to which the system chief ray of being effectively reduced enters in Abbe number V7 range 40 to 48
Firing angle degree, and the effectively usable back focal length of lifting system reduce systematical distortion；
(8) big target surface low-light (level) whole day ball camera system provided by the invention, the first mechanical spacer ring inner wall are equipped with delustring spiral shell
Line effectively reduces the influence of system veiling glare.
Detailed description of the invention
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings:
Fig. 1 is the index path of big target surface low-light (level) whole day ball camera system of the invention；
Fig. 2 is the structure chart of big target surface low-light (level) whole day ball camera system of the invention；
Fig. 3 is the structure chart of wide-angle lens in Fig. 2.
Symbol description in figure: 1, sensing chip, 2, right-angle prism, 21, reflecting surface, 3, wide-angle lens, 31, body tube, 32,
First lens, the 33, second lens, 34, the third lens, the 35, the 4th lens, the 36, the 5th lens, the 37, the 6th lens, the 38, the 7th
Lens, 39, preceding pressing ring, the 310, first mechanical spacer ring, the 311, second mechanical spacer ring, 312, third mechanical spacer ring, the 313, the 4th machine
Tool spacer ring, A, front lens group, B, fixed diaphram, C, rear microscope group.
Specific embodiment
The content of present invention is described in detail with specific embodiment with reference to the accompanying drawings of the specification:
As shown in Figure 1-3, being a kind of big target surface low-light (level) whole day ball camera system provided by the invention, including sensing chip
1, right-angle prism 2 and two wide-angle lens 3 are set on the right-angle prism 2 there are two orthogonal reflecting surface 21, described two
A wide-angle lens 3 is symmetrically divided into the incident light axis of 2 two sides of right-angle prism and each wide-angle lens 3 and the reflecting surface 21 of respective side
At 45 degree of angle, the sensing chip 1 is for receiving the incident ray after two 21 deviations of reflecting surface and reflecting with two
Face 21 is in 45 degree of angle, and the field angle of the wide-angle lens 3 is 220 degree or more and distortion F- θ < 15%, the wide-angle lens
Effective rear cut-off distance of head is greater than 5.6mm.The angular accuracy processing of right-angle prism 2 needs to control within 3 ", to guarantee two wide-angles
The optical axis positioning accuracy of camera lens 3.
As shown in Figure 1, Figure 3, the wide-angle lens 3 includes body tube 31 and is set in turn in master along light incident direction
The rear microscope group C that front lens group A that focal power in lens barrel 31 is negative, fixed diaphram B, focal power are positive, the focal length of the front lens group A
Range is between -40~-70mm, and the focal range of the rear microscope group C is between 4~20mm.
As shown in Figure 1, Figure 3, the front lens group A is by the first lens 32, the second lens 33, the third lens 34 and the 4th lens
35 are arranged successively composition along light incident direction, the selenodont lens wherein the first lens 32 and the second lens 33 are positive, and third is saturating
Mirror 34 is plano-concave lens, and the 4th lens 35 are biconvex lens；Microscope group C is by the 5th lens 36, the 6th lens 37 and the 7th after described
Lens 38 are arranged successively composition along light incident direction, wherein 36 double concave type lens of the 5th lens, the 6th lens 37 are biconvex
Lens, the 7th lens 38 are lenticular lens, the gluing unit of the 5th lens 36 and the 6th lens 37 composition contiguity.
Each lens of the front lens group A need to be met the following optical conditions:
1.8 < n1 < 1.95,33 < v1 < 36.5；
1.7 < n2 < 1.85,40 < v2 < 47；
1.58 < n3 < 1.7,50 < v3 < 62；
1.82 < n4 < 1.95,18 < v4 < 25；
Wherein n1-n4 is followed successively by the refractive index of the 4th lens 35 of the first lens 32-, and v1-v4 is followed successively by the first lens 32-
The Abbe number of five lens 35；
Each lens of microscope group C need to be met the following optical conditions after described:
1.88 < n5 < 1.92,18.5 < v5 < 22；
1.6 < n6 < 1.75,50 < v6 < 57；
1.8 < n7 < 1.9,40 < v7 < 48；
Wherein n5-n7 is followed successively by the refractive index of the 7th lens 38 of the 5th lens 36-, and v5-v7 is followed successively by the 5th lens 36-
The Abbe number of seven lens 38.
The air gap between first lens 32 and the second lens 33 is 3 ± 0.3mm, second lens 33 and the
The air gap between three lens 34 is 7.9 ± 0.3mm, and the air gap between the third lens 34 and the 4th lens 35 is
0.2 ± 0.1mm, the air gap between the fixed diaphram B and rear microscope group C are 1.6 ± 0.3mm, 37 He of the 6th lens
The air gap between 7th lens 38 is 0.14 ± 0.1mm.
As shown in figure 3, the wide-angle lens 3 further includes preceding pressing ring 39, the first mechanical spacer ring 310, the second mechanical spacer ring
311, third mechanical spacer ring 312 and the 4th mechanical spacer ring 313, first lens 32 are fixedly installed in the front end cylinder of body tube 31
In mouthful, the preceding pressing ring 39 is fixedly installed in outside the front end nozzle of body tube 31 and plays limit to the front position of the first lens 32
Effect；Second lens 33, the third lens 34, the 4th lens 35, the 5th lens 36, the 6th lens 37 and the 7th lens
38 are successively fixedly installed in 31 body of body tube along light incident direction；First mechanical spacer ring 310 is fixedly installed in primary mirror
The front cylinder inner wall of cylinder 31 and the airspace that the two is limited between the second lens 33 and the third lens 34；Described
Two mechanical spacer rings 311 are fixedly installed in the back cylinder inner wall of body tube 31 and between the 4th lens 35 and light bar B with limit
Both fixed airspace；The third mechanical spacer ring 312 is fixedly installed in the back cylinder inner wall of body tube 31 and is located at light
The airspace of the two is limited between column B and the 5th lens 36；4th mechanical spacer ring 313 is fixedly installed in body tube 31
Back cylinder inner wall and between the 6th lens 37 and the 7th lens 38 with limit both airspace.Body tube 31 is set
Meter using a knife form, be effectively reduced component in machining because lathe tool changing caused by mismachining tolerance, lifting system
Assemble yield.
First mechanical spacer ring, 310 inner wall is equipped with delustring screw thread.
Plating is formed with high-reflecting film and is 95% or more to the light reflectivity of 400~650nm of wave band on each reflecting surface 21.
Big target surface low-light (level) whole day ball camera system provided by the invention, utilizes two 220 degree of field angle or more of wide-angle
Camera lens converges light, then by the way that on imaging to the same sensing chip, two wide-angle lens share one after right-angle prism deviation
A sensing chip forms a kind of big target surface low-light (level) whole day ball camera system, increases the effective aperture of system, reduces system
Marginal distortion, substantially increase the resolution ratio of system entirety, system effect made to reach comprehensive 720 ° of visual effect.
Above-mentioned specific embodiment is only explained in detail technical solution of the present invention, the present invention not only only office
It is limited to above-described embodiment, all any improvement or replacement according to the principle of the invention should all be within protection scope of the present invention.
Claims (6)
1. a kind of big target surface low-light (level) whole day ball camera system, it is characterised in that: including sensing chip (1), right-angle prism (2) with
And two wide-angle lens (3), set that there are two orthogonal reflecting surface (21), described two wide-angles on the right-angle prism (2)
Camera lens (3) is symmetrically divided into the incident light axis of right-angle prism (2) two sides and each wide-angle lens (3) and the reflecting surface of respective side
(21) at 45 degree of angle, the sensing chip (1) for receive the incident ray after two reflecting surface (21) deviations and with
Two reflectings surface (21) are in 45 degree of angle, the field angle of the wide-angle lens (3) be 220 degree or more and F- θ distort <
15%, effective rear cut-off distance of the wide-angle lens is greater than 5.6mm；
The wide-angle lens (3) includes body tube (31) and is set in turn in the light in body tube (31) along light incident direction
The rear microscope group (C) that front lens group (A) that focal power is negative, fixed diaphram (B), focal power are positive, the focal range of the front lens group (A)
Between -40~-70mm, the focal range of the rear microscope group (C) is between 4~20mm；
The front lens group (A) is by the first lens (32), the second lens (33), the third lens (34) and the 4th lens (35) along light
Incident direction is arranged successively composition, the selenodont lens wherein the first lens (32) and the second lens (33) are positive, the third lens
It (34) is plano-concave lens, the 4th lens (35) are biconvex lens；Microscope group (C) is by the 5th lens (36), the 6th lens after described
(37) and the 7th lens (38) along light incident direction are arranged successively composition, wherein the 5th lens (36) double concave type lens, the 6th
Lens (37) are lenticular lens, and the 7th lens (38) are lenticular lens, the 5th lens (36) and the 6th lens (37)
Form the gluing unit of contiguity.
2. big target surface low-light (level) whole day ball camera system according to claim 1, it is characterised in that: the front lens group (A)
Each lens need to meet the following optical conditions:
1.8 < n1 < 1.95,33 < v1 < 36.5；
1.7 < n2 < 1.85,40 < v2 < 47；
1.58 < n3 < 1.7,50 < v3 < 62；
1.82 < n4 < 1.95,18 < v4 < 25；
Wherein n1-n4 is followed successively by the refractive index of (32)-the four lens (35) of the first lens, and v1-v4 is followed successively by the first lens (32)-
The Abbe number of 5th lens (35)；
Each lens of microscope group (C) need to be met the following optical conditions after described:
1.88 < n5 < 1.92,18.5 < v5 < 22；
1.6 < n6 < 1.75,50 < v6 < 57；
1.8 < n7 < 1.9,40 < v7 < 48；
Wherein n5-n7 is followed successively by the refractive index of (36)-the seven lens (38) of the 5th lens, and v5-v7 is followed successively by the 5th lens (36)-
The Abbe number of 7th lens (38).
3. big target surface low-light (level) whole day ball camera system according to claim 1, it is characterised in that: first lens
(32) the air gap between the second lens (33) is 3 ± 0.3mm, between second lens (33) and the third lens (34)
The air gap be 7.9 ± 0.3mm, the air gap between the third lens (34) and the 4th lens (35) for 0.2 ±
0.1mm, the air gap between the fixed diaphram (B) and rear microscope group (C) are 1.6 ± 0.3mm, the 6th lens (37) and
The air gap between 7th lens (38) is 0.14 ± 0.1mm.
4. big target surface low-light (level) whole day ball camera system according to claim 1, it is characterised in that: the wide-angle lens
It (3) further include preceding pressing ring (39), the first mechanical spacer ring (310), the second mechanical spacer ring (311), third mechanical spacer ring (312) and
Four mechanical spacer rings (313), first lens (32) are fixedly installed in the front end nozzle of body tube (31), the preceding pressing ring
(39) it is fixedly installed in outside the front end nozzle of body tube (31) and position-limiting action is risen to the front position of the first lens (32)；It is described
Second lens (33), the third lens (34), the 4th lens (35), the 5th lens (36), the 6th lens (37) and the 7th are thoroughly
It is internal that mirror (38) is successively fixedly installed in body tube (31) along light incident direction；The fixed peace of first mechanical spacer ring (310)
Front cylinder inner wall loaded on body tube (31) and between the second lens (33) and the third lens (34) with limit both
Airspace；Second mechanical spacer ring (311) is fixedly installed in the back cylinder inner wall of body tube (31) and is located at the 4th thoroughly
The airspace of the two is limited between mirror (35) and light bar (B)；The third mechanical spacer ring (312) is fixedly installed in body tube
(31) back cylinder inner wall and the airspace between light bar (B) and the 5th lens (36) both to limit；Described
Four mechanical spacer rings (313) are fixedly installed in the back cylinder inner wall of body tube (31) and are located at the 6th lens (37) and the 7th lens
(38) airspace of the two is limited between.
5. big target surface low-light (level) whole day ball camera system according to claim 4, it is characterised in that: described first it is mechanical every
It encloses (310) inner wall and is equipped with delustring screw thread.
6. big target surface low-light (level) whole day ball camera system according to any one of claims 1-5, it is characterised in that: each
Plating is formed with high-reflecting film and is 95% or more to the light reflectivity of 400~650nm of wave band on reflecting surface (21).
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| CN201610037419.3A CN105530415B (en) | 2016-01-20 | 2016-01-20 | Big target surface low-light (level) whole day ball camera system |
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| CN201610037419.3A CN105530415B (en) | 2016-01-20 | 2016-01-20 | Big target surface low-light (level) whole day ball camera system |
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| CN105530415B true CN105530415B (en) | 2019-01-29 |
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| CN106502038B (en) * | 2016-11-10 | 2022-02-18 | 福建福特科光电股份有限公司 | 720-degree panoramic camera system |
| CN107632372B (en) * | 2017-10-25 | 2023-05-16 | 东莞市宇瞳光学科技股份有限公司 | Periscope type double-path fisheye panoramic system capable of focusing |
| CN108051978B (en) * | 2017-12-27 | 2024-10-15 | 江西联创电子有限公司 | Panoramic camera system |
| CN109164557B (en) * | 2018-09-30 | 2020-01-21 | 江西联创电子有限公司 | Wide-angle lens and panoramic camera system |
| CN111257296B (en) * | 2020-03-20 | 2023-04-11 | 京东方科技集团股份有限公司 | Method, device and storage medium for detecting biochip sample |
| CN111308635B (en) * | 2020-04-03 | 2024-06-21 | 福建福特科光电股份有限公司 | 3d radar lens |
| CN111769884B (en) * | 2020-09-02 | 2020-12-04 | 北京中创为南京量子通信技术有限公司 | Panoramic beacon light capturing system |
| CN113552706A (en) * | 2021-06-30 | 2021-10-26 | Oppo广东移动通信有限公司 | Electronic device |
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