CN110090023B - Intelligent trace material evidence searching and finding shooting instrument - Google Patents
Intelligent trace material evidence searching and finding shooting instrument Download PDFInfo
- Publication number
- CN110090023B CN110090023B CN201910450626.5A CN201910450626A CN110090023B CN 110090023 B CN110090023 B CN 110090023B CN 201910450626 A CN201910450626 A CN 201910450626A CN 110090023 B CN110090023 B CN 110090023B
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- light source
- optical filter
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- 239000000463 material Substances 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 230000001502 supplementing effect Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 4
- 210000004243 sweat Anatomy 0.000 description 7
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000013060 biological fluid Substances 0.000 description 1
- 238000011840 criminal investigation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
- A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Accessories Of Cameras (AREA)
Abstract
The utility model discloses an intelligent trace material evidence searching and finding shooting instrument which comprises a shell, a shooting mechanism embedded in the end face of the shell, a glancing light lamp, a polarized light lamp and a plurality of light source lamp groups with different wavelengths, wherein the glancing light lamp, the polarized light lamp and the light source lamp groups are arranged on the open side of the shell; a directional reflection mechanism is arranged between the photographing mechanism and the light source lamp group; the optical filter is inserted through the inserted link on one side of the shell, the optical filter is arranged below the ultraviolet lens, the threaded pipe is fixedly arranged in the middle of the focusing rotary table, a fan-shaped blue light sheet is arranged on the inner side of the focusing rotary table, and the focusing rotary table drives the fan-shaped blue light sheet to rotate and is arranged behind a camera which is arranged on the rear side of the photographing structure and used for conventional photographing. In fingerprint and trace collection, through the combination light filling that starts multiple light source, light filter and blue light piece are gone up in the cooperation for the camera of mechanism rear side of shooing can shoot clear fingerprint or trace such as fingerprint, the appearance integrality is higher, and the wholeness is strong, and it is more convenient to use.
Description
Technical Field
The utility model belongs to the technical field of police equipment, and particularly relates to an intelligent trace material evidence searching and finding shooting instrument.
Background
With the rapid development of communication technology, products derived from the communication technology are applied to various industries.
At present, the fingerprint display technology in the market is a unidirectional function, so that the device is complicated, the use is not convenient enough, and the shooting of fingerprints and other marks is not clear enough, so that the fingerprint processing device needs to be further designed.
Disclosure of Invention
The utility model aims to provide an intelligent trace material evidence searching finding shooting instrument which is put into use so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an intelligent trace material evidence searching and finding shooting instrument comprises a shell, a shooting mechanism embedded in the end face of the shell, a glancing light lamp, a polarized light lamp and a plurality of light source lamp groups with different wavelengths, wherein the glancing light lamp, the polarized light lamp and the light source lamp groups are arranged on the open side of the shell; the rear side of the photographing mechanism is provided with a conventional photographing lens and an ultraviolet CMOS, and is arranged towards the light source lamp set, and a directional reflection mechanism is arranged between the photographing mechanism and the light source lamp set;
the optical filter is inserted into one side of the shell through the inserted link and arranged below the ultraviolet lens, the optical filter is a 254nm optical filter, a 365nm optical filter and a 850nm optical filter, and the ultraviolet lens is arranged on the inner side of the threaded pipe through an outer side thread;
the threaded pipe is fixedly arranged in the middle of the focusing rotary table, a sector blue light sheet is arranged on the inner side of the focusing rotary table, and the focusing rotary table drives the sector blue light sheet to rotate and is arranged behind a camera which is arranged on the rear side of the photographing structure and used for conventional photographing;
the light source lamp group comprises a 254 nm-wavelength short-wave ultraviolet lamp, a 365 nm-wavelength long-wave ultraviolet lamp, a 445 nm-wavelength light source lamp and a 850 nm-wavelength infrared lamp;
the directional reflection mechanism is composed of a frame, a surface light, a pulling plate and a reflecting mirror, wherein the pulling plate is fixedly arranged on the side wall of the frame, the frame is arranged on the side face of the middle of the shell in a sliding mode, the surface light is arranged at the bottom of the inner side of the frame, and the reflecting mirror is obliquely clamped with the inner side of the frame in a forty-five-degree clamping mode.
Preferably, the photographing mechanism is provided with at least one conventional lens and one ultraviolet CMOS, the shell is in threaded connection with a threaded pipe through a threaded hole formed in the upper end, the threaded pipe is fixedly arranged in the middle of the focusing turntable, and the upper part of the focusing turntable extends out of the shell through an opening groove.
Preferably, the end part of the glancing light lamp is fixedly connected with the knob, and the knob is rotatably arranged on the outer side of the shell.
Preferably, the side wall of the lower end of the shell is provided with a light supplementing hole, and the inner side of the light supplementing hole is rotationally provided with a sealing cover.
Preferably, a digital display power supply display screen is arranged at the lower part of the upper end of the shell, and the digital display power supply display screen is electrically connected with the built-in charging power supply.
The utility model has the technical effects and advantages that: this intelligence trace material evidence searches discovers and shoots appearance, and the integration multiple light source is in the inboard lower part of casing, starts multiple light source respectively and carries out the light filling, and cooperation filter disc, blue light piece make the CMOS camera of shooting mechanism rear side realize various fingerprint appearance technique with conventional camera lens or ultraviolet lens, and equipment integration degree of synthesis is stronger, and it is more clear to use more convenient shooting formation of image.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model (with the photographing mechanism removed);
FIG. 3 is a schematic structural view of a directional reflecting mechanism;
FIG. 4 is a bottom view of the present utility model;
FIG. 5 is a schematic illustration of the connection of a rod to a filter;
fig. 6 is a schematic diagram of a connection between a focusing wheel and a fan-shaped blue light sheet.
In the figure: 1. a housing; 2. a photographing mechanism; 3. a glancing light; 4. a knob; 5. a light supplementing hole; 6. a cover; 7. a directional reflection mechanism; 8. a light source lamp group; 9. a rod; 10. focusing turntable; 11. a threaded hole; 12. a threaded tube; 13. a polarized light lamp; 14. a digital display power supply display screen; 15. sector blue light slice; 16. a light filter; 17. an ultraviolet lens; 71. a frame; 72. a surface light; 73. pulling a plate; 74. a reflective mirror.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an intelligent trace material evidence searching and finding shooting instrument shown in figures 1-6, which comprises a shell 1, a shooting mechanism 2 embedded in the end face of the shell 1, a glancing light lamp 3, a polarized light lamp 13 and a plurality of light source lamp groups 8 with different wavelengths, wherein the glancing light lamp 3 is arranged on the open side of the shell 1; the rear side of the photographing mechanism 2 is provided with a conventional photographing lens and an ultraviolet CMOS, and is arranged towards the light source lamp group 8, and a directional reflection mechanism 7 is arranged between the photographing mechanism 2 and the light source lamp group 8; the starting button at the upper end of the instrument is pressed, the directional reflection mechanism 7, the glancing light lamp 3, the polarized light lamp 13 or the light source lamp group 8 is correspondingly started, so that the directional reflection light, the glancing light, the polarized light or the light with the wavelength of 254, 475, 590 or 640 or the light is controlled to be started for light supplementing, the light is shot through a conventional shooting camera at the rear side of the shooting mechanism 22, the function of nondestructively extracting the spot plain sweat fingerprint can be realized through the light supplementing of the directional reflection mechanism 7, the dust adding and subtracting layer fingerprint nondestructively extracting function is realized when the glancing light lamp 3 is used for supplementing light, the complicated background sweat fingerprint extracting function can be realized when the polarized light lamp 13 is used for supplementing light, the excitation extracting function of sweat fingerprints of different background objects is realized when the light with the wavelengths of 475, 590 and 640 is used for light supplementing, and the difficult sweat fingerprint extracting of aluminum alloy and the like is realized when the short wave ultraviolet lamp 254 is used for light supplementing and is directly shot through the shooting mechanism 2.
The optical filter 16 is inserted into one side of the shell 1 through the inserted link 9, the optical filter 16 is arranged below the ultraviolet lens 17, the optical filter 16 is a 254nm optical filter, a 365nm optical filter and a 850nm optical filter, and the ultraviolet lens 17 is arranged on the inner side of the threaded pipe 12 through an outer thread; when 254nm and light supplementing are respectively emitted through the light source lamp set 8, the photographing mechanism 2 is required to be adjusted to a black-and-white mode, and when light rays with corresponding 254nm, 365nm and 445nm wavelengths are supplemented, the corresponding 254nm optical filter, 365nm optical filter and 850nm optical filter are respectively selected to be inserted below the ultraviolet lens 17, and the ultraviolet photographing CMOS on the rear side of the photographing mechanism 2 is matched with the ultraviolet lens 17 and the optical filter 16 to respectively realize the functions of extracting sweat fingerprints on the frosted surface, remotely searching and extracting sweat fingerprints on objects such as emulsion paint wall surfaces, extracting blood marks on the dark background surface and extracting blood fingerprints, and the method is mainly applied to indoor middle-and middle-wavelength fingerprint and occult blood searching and photographing through infrared light and ultraviolet light.
The screw tube 12 is fixedly arranged in the middle of the focusing rotary table 10, a fan-shaped blue light sheet 15 is arranged on the inner side of the focusing rotary table 10, the focusing rotary table 10 drives the fan-shaped blue light sheet 15 to rotate and be arranged at the rear of a camera used for conventional shooting at the rear side of a shooting structure, when light supplementing is carried out through a light source lamp with the wavelength of 445nm, the focusing rotary table 10 is rotated to enable the fan-shaped blue light sheet 15 to rotate to the rear of the conventional shooting head of the shooting mechanism 2, the shooting mechanism 2 is adjusted to a black-white mode to carry out discovery and extraction of on-site biological evidence, the imaging is mainly carried out aiming at the appearance and shooting of human biological fluid, such as dried saliva, semen and the like, and a button for adjusting screen brightness is arranged at the upper end of the camera, and fingerprints extracted by various functions can be transmitted to a fingerprint comparison terminal through a cable to be compared, so as to assist criminal investigation.
The light source lamp group 8 comprises a 254 nm-wavelength short-wave ultraviolet lamp, a 365 nm-wavelength long-wave ultraviolet lamp, a 445 nm-wavelength light source lamp and a 850 nm-wavelength infrared lamp, the light source lamp group 8 comprises a plurality of 254 nm-wavelength short-wave ultraviolet lamps, 365 nm-wavelength long-wave ultraviolet lamps, 445 nm-wavelength light source lamps and 850 nm-wavelength infrared lamps which are arranged according to a certain position order, and then a corresponding light source button at the upper end of the instrument is pressed down, so that the light source lamps of the same light source are started to supplement light, and the corresponding functions are realized.
The directional reflection mechanism 7 is composed of a frame 71, a surface light 72, a pull plate 73 and a reflecting mirror 74, the pull plate 73 is fixedly arranged on the side wall of the frame 71, the frame 71 is slidably arranged on the side surface of the middle part of the shell 1, the surface light 72 is arranged at the bottom of the inner side of the frame 71, the reflecting mirror 74 is obliquely clamped with the inner side of the frame 71 by forty-five degrees, the surface light 72 of the directional reflection mechanism 7 is started, reflection light supplementing is carried out through the reflecting mirror 74 which is obliquely arranged by forty-five degrees, the on-site light surface sweat fingerprint nondestructive extraction function can be realized, and in practical application, due to the short wavelength of short wave ultraviolet rays with the wavelength of 254nm, the ultraviolet lens 17 is difficult to penetrate through the reflecting mirror 74, so that the reflecting plate is required to be pulled to the outer side of the shell 1 through the directional reflection mechanism 7 when the short wave ultraviolet lamp is used for supplementing light.
The camera mechanism 2 is provided with at least one conventional lens and one ultraviolet CMOS, the shell 1 is in threaded connection with the threaded pipe 12 through the threaded hole 11 formed in the upper end, the threaded pipe 12 is fixedly arranged in the middle of the focusing rotary table 10, the upper part of the focusing rotary table 10 extends out of the shell 1 through an opening groove, the ultraviolet CMOS of the camera mechanism 2 is connected when being directly attached to the ultraviolet lens 17 in the threaded pipe 12, the camera mechanism 2 can perform a memorial ultraviolet shooting function through the ultraviolet lens 17, the threaded pipe 12 is driven to rotate through the focusing rotary table, the threaded pipe 12 is driven to slightly move up and down through the threaded fit of the external threads of the threaded pipe 12 and the shell, focusing is achieved when fingerprint extraction is performed through the ultraviolet lens 17, and therefore clear fingerprints and blood marks are extracted.
The end of the glancing light lamp 3 is fixedly connected with the knob 4, the knob 4 is rotatably arranged on the outer side of the shell 1, the glancing light lamp 3 is driven to deflect by rotating the knob 4, glancing light can be glancing on a certain area, and the fingerprint taking effect and efficiency are guaranteed.
The side wall of the lower end of the shell 1 is provided with a light supplementing hole 5, the inner side of the light supplementing hole 5 is rotatably provided with a sealing cover 6, and natural light can be compensated to the inside of the shell 1 through the light supplementing hole 5 by opening the sealing cover 6.
The lower part of casing 1 upper end is provided with digital display power display screen 14, digital display power display screen 14 and built-in charging source electric connection can show the electric quantity of internal power supply through digital display power display screen 14, charges the operation through the charging hole of casing 1 side to the camera, guarantees to have sufficient electric quantity before the use.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. An intelligent trace material evidence searching and finding shooting instrument is characterized in that: the device comprises a shell (1), a photographing mechanism (2) embedded in the end face of the shell (1), a glancing light lamp (3) arranged on the open side of the shell (1), a polarized light lamp (13) and a plurality of light source lamp groups (8) with different wavelengths; the rear side of the photographing mechanism (2) is provided with a conventional photographing lens and an ultraviolet CMOS, and is arranged towards the light source lamp group (8), and a directional reflection mechanism (7) is arranged between the photographing mechanism (2) and the light source lamp group (8);
an optical filter (16) is inserted into one side of the shell (1) through an inserting rod (9), the optical filter (16) is arranged below an ultraviolet lens (17), the optical filter (16) is a 254nm optical filter, a 365nm optical filter and a 850nm optical filter, and the ultraviolet lens (17) is arranged on the inner side of the threaded tube (12) through an outer thread;
the threaded pipe (12) is fixedly arranged in the middle of the focusing rotary table (10), a sector blue light sheet (15) is arranged on the inner side of the focusing rotary table (10), and the focusing rotary table (10) drives the sector blue light sheet (15) to rotate and is arranged behind a camera which is arranged on the rear side of the photographing structure and used for conventional photographing;
the light source lamp group (8) comprises a short wave ultraviolet lamp with 254nm wavelength, a long wave ultraviolet lamp with 365nm wavelength, a light source lamp with 445nm wavelength and an infrared lamp with 850nm wavelength;
the directional reflection mechanism (7) is composed of a frame (71), a surface light (72), a pull plate (73) and a reflecting mirror (74), wherein the pull plate (73) is fixedly installed on the side wall of the frame (71), the frame (71) is slidably arranged on the side face of the middle of the shell (1), the surface light (72) is arranged at the bottom of the inner side of the frame (71), and the reflecting mirror (74) is obliquely connected with the inner side of the frame (71) in a clamping mode by forty-five degrees.
2. The intelligent trace material evidence searching and finding shooting instrument according to claim 1, wherein: the camera mechanism is characterized in that the camera mechanism (2) is provided with at least one conventional lens and one ultraviolet CMOS, the shell (1) is in threaded connection with the threaded pipe (12) through the threaded hole (11) formed in the upper end, the threaded pipe (12) is fixedly arranged in the middle of the focusing turntable (10), and the upper portion of the focusing turntable (10) extends out of the shell (1) through the open slot.
3. The intelligent trace material evidence searching and finding shooting instrument according to claim 1, wherein: the end part of the tube of the glancing light lamp (3) is fixedly connected with the knob (4), and the knob (4) is rotationally arranged at the outer side of the shell (1).
4. An intelligent trace material evidence searching and finding shooting instrument according to any one of claims 1-3, characterized in that: the side wall of the lower end of the shell (1) is provided with a light supplementing hole (5), and the inner side of the light supplementing hole (5) is rotatably provided with a sealing cover (6).
5. An intelligent trace material evidence searching and finding shooting instrument according to any one of claims 1-3, characterized in that: the lower part of casing (1) upper end is provided with digital display power display screen (14), digital display power display screen (14) and built-in charging source electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450626.5A CN110090023B (en) | 2019-05-28 | 2019-05-28 | Intelligent trace material evidence searching and finding shooting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450626.5A CN110090023B (en) | 2019-05-28 | 2019-05-28 | Intelligent trace material evidence searching and finding shooting instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110090023A CN110090023A (en) | 2019-08-06 |
| CN110090023B true CN110090023B (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910450626.5A Active CN110090023B (en) | 2019-05-28 | 2019-05-28 | Intelligent trace material evidence searching and finding shooting instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN110090023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110652304B (en) * | 2019-11-04 | 2024-10-18 | 新要素科技（深圳）有限公司 | Device for removing complex background interference during criminal investigation fingerprint shooting |
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| CN101030013A (en) * | 2006-03-03 | 2007-09-05 | 富士通株式会社 | Image capturing apparatus |
| CN102034095A (en) * | 2004-06-01 | 2011-04-27 | 光谱辨识公司 | Biometric recognition/verification method and multispectral sensor |
| WO2015114797A1 (en) * | 2014-01-31 | 2015-08-06 | 富士通フロンテック株式会社 | Imaging device and authentication device |
| CN107036990A (en) * | 2017-03-16 | 2017-08-11 | 上海良相智能化工程有限公司 | Ultra-wide spectrum vestige search system |
| CN206523731U (en) * | 2017-01-21 | 2017-09-26 | 广州普希思智能科技有限公司 | The extraction system of the wide light filling material evidence of intelligent image analysis self-regulated spectrum |
| CN210204739U (en) * | 2019-05-28 | 2020-03-31 | 新要素科技（深圳）有限公司 | Intelligent trace physical evidence searching, finding and shooting instrument |
-
2019
- 2019-05-28 CN CN201910450626.5A patent/CN110090023B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034095A (en) * | 2004-06-01 | 2011-04-27 | 光谱辨识公司 | Biometric recognition/verification method and multispectral sensor |
| CN101030013A (en) * | 2006-03-03 | 2007-09-05 | 富士通株式会社 | Image capturing apparatus |
| WO2015114797A1 (en) * | 2014-01-31 | 2015-08-06 | 富士通フロンテック株式会社 | Imaging device and authentication device |
| CN206523731U (en) * | 2017-01-21 | 2017-09-26 | 广州普希思智能科技有限公司 | The extraction system of the wide light filling material evidence of intelligent image analysis self-regulated spectrum |
| CN107036990A (en) * | 2017-03-16 | 2017-08-11 | 上海良相智能化工程有限公司 | Ultra-wide spectrum vestige search system |
| CN210204739U (en) * | 2019-05-28 | 2020-03-31 | 新要素科技（深圳）有限公司 | Intelligent trace physical evidence searching, finding and shooting instrument |
Non-Patent Citations (2)
| Title |
|---|
| 多功能痕迹物证摄影仪的设计;杨玉柱，潘国光;光学技术(第05期) * |
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| CN110090023A (en) | 2019-08-06 |
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