CN203733132U - Two-dimensional and three-dimensional information extracting checking instrument for handwriting - Google Patents
Two-dimensional and three-dimensional information extracting checking instrument for handwriting Download PDFInfo
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- CN203733132U CN203733132U CN201320869555.0U CN201320869555U CN203733132U CN 203733132 U CN203733132 U CN 203733132U CN 201320869555 U CN201320869555 U CN 201320869555U CN 203733132 U CN203733132 U CN 203733132U
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Abstract
The utility model belongs to the technical field of handwriting information extraction, and particularly relates to a two-dimensional and three-dimensional information extracting checking instrument for handwriting. The invention provides the two-dimensional and three-dimensional information extracting checking instrument for handwriting, which can finish two-dimensional and three-dimensional image data measurement and has an advantage of high operation convenience in use. The two-dimensional and three-dimensional information extracting checking instrument comprises a worktable. The back side of the worktable is provided with a column. The part of the worktable, which is in front of the column, is provided with an object carrying table. The side of the object carrying table is provided with a light source detecting component. The two-dimensional and three-dimensional information extracting checking instrument is structurally characterized in that: the upper part of the column is provided with a first rotating shaft; the first rotating shaft is provided with a first supporting cross arm and a second supporting cross arm; the outer end of the first supporting cross arm is provided with a three-dimensional scanning instrument; the outer end of the second supporting cross arm is provided with a stereoscopic microscope; and the transverse lengths of the first supporting cross arm and the second supporting cross arm correspond with the position of the object carrying table.
Description
Technical field
the utility model belongs to handwriting information extractive technique field, relates in particular to a kind of person's handwriting two dimension three-dimensional information extraction check meter.
Background technology
it is one of hot issue of international tribunal's scientific domain research that verification of handwriting is identified, forensic science worker both domestic and external is devoted to the research to the overall application of microscopic feature information always, to the measurement of stroke minutia, is one of important channel of judging person's handwriting individual lettering feature with comparing.
present stage, the technological means that verification of handwriting is identified mainly concentrates on extraction and the utilization of the two-dimensional signal of identifying the handwriting, and has in actual applications certain limitation, more cannot realize effective extraction and the application of person's handwriting three-dimensional information.Person's handwriting two dimension, comprehensive extraction of three-dimensional information and the processing of view data and analysis will promote the recall rate of case greatly, also for person's handwriting quantizes check, identify that utilization microscopic feature provides reliable basic data and comparison condition comprehensively.
Summary of the invention
the utility model is exactly for the problems referred to above, provides a kind of person's handwriting two and three dimensions view data that completes to measure and use easy to operate person's handwriting two dimension three-dimensional information extraction check meter.
for achieving the above object, the utility model adopts following technical scheme, the utility model comprises worktable, worktable rear side is provided with column, on the worktable in column the place ahead, be provided with objective table, objective table side is provided with detection light source parts, its structural feature column top is provided with the first rotating shaft, the first support transverse arm and second is set in the first rotating shaft and supports transverse arm, the first outer end of supporting transverse arm is provided with spatial digitizer, the second outer end of supporting transverse arm is provided with Stereo microscope, the first support transverse arm is corresponding with the second support lateral length of transverse arm and the position of objective table.
as a kind of preferred version, objective table described in the utility model adopts removable two-dimentional objective table, and removable two-dimentional objective table middle part is embedded with 360 degree rotating discs.
as another kind of preferred version, the described in the utility model first angle that supports transverse arm and the second support transverse arm is 90 degree.
as another kind of preferred version, 360 degree rotating discs described in the utility model adopt irony rotating disk, are provided with location magnetic stripe compressing tablet on irony rotating disk.
as another kind of preferred version, detection light source parts described in the utility model comprise sidelight seam light source part and two-tube optical fiber source parts, and the main body of two-tube optical fiber source parts is placed in column lower end, the two-tube column both sides that are placed in respectively of two-tube optical fiber source parts.
as another kind of preferred version, sidelight seam light source part described in the utility model comprises the pedestal having a down dip to 360 degree rotating disc sides, rectangular frame is opened in the inner side that is provided with horizontal placement on pedestal, rectangular frame middle part is provided with the first screw rod perpendicular to pedestal inclined-plane, the first screw rod top is arranged on rectangular frame upper side frame by clutch shaft bearing, the first screw rod upper end is provided with the first swing handle, on the first screw rod of rectangular frame inner side, be rotary with the first nut, the first nut outside is fixed with the first transverse slat perpendicular to pedestal inclined-plane, the first transverse slat two ends are provided with the first sleeve pipe, first set pipe box is on the first guide pillar, the first guide pillar two ends are fixed on rectangular frame, on the first transverse slat, be provided with transverse tube illuminating lamp, transverse tube illuminating lamp top and bottom are provided with the leaded light transverse slat that is parallel to pedestal inclined-plane.
as another kind of preferred version, the angle of inclination on pedestal described in the utility model inclined-plane is 0 °～20 °, and the length of transverse tube illuminating lamp is 100mm.
secondly, the first rotating shaft described in the utility model adopts the second sleeve pipe, the second casing pipe sleeve is on described column, described the first support transverse arm and second supports transverse arm and is arranged on the second sleeve pipe upper end, on the second sleeve pipe, be provided with the first horizontal thread hole, location, in the first horizontal thread hole, location, be rotary with the first bolt; On the column of the second sleeve pipe below, cover has the 3rd sleeve pipe, on the 3rd sleeve pipe, be provided with laterally projection, on projection, be provided with horizontal axis hole, in axis hole, be installed with the 3rd rotating shaft, the 3rd rotating shaft one end is provided with knob, in the 3rd rotating shaft, be provided with the first gear, the first gear is through the vertical tooth bar engagement on the 3rd sleeve pipe sidewall and column; On the 3rd sleeve pipe, be provided with the second horizontal thread hole, location, in the second horizontal thread hole, location, be rotary with the second bolt.
in addition, spatial digitizer described in the utility model comprises the first camera, second camera and shooting grating, rear end and the Z-shaped stile upper end of shooting grating are fixed, both sides, Z-shaped stile lower end are fixed on horizontal support plate, horizontal support plate rear end is fixed with riser slide block, riser slide block two ends are placed in described first and support in the chute of riser bearing both sides of outer end of transverse arm, the upper and lower two ends of riser bearing are provided with support transverse slat, support between transverse slat and be fixed with vertical the second screw rod, the second screw rod is through the through hole on described horizontal support plate, on the second screw rod of horizontal support plate top, be rotary with the first internal thread sleeve pipe, the first internal thread sleeve pipe lower end is connected with horizontal support plate by the 3rd bearing, the first internal thread sleeve pipe periphery is fixed with turbine, the worm mesh in turbine and its place ahead, worm screw both sides respectively three screw rod contrary with rotation direction are connected, the outside of both sides the 3rd screw rod is all arranged on horizontal support plate by the 4th bearing, the outer end of one side the 3rd screw rod is provided with rotation rocking handle, the outer end of opposite side the 3rd screw rod is connected with the motor output shaft on horizontal support plate by electromagnetic clutch, on the 3rd screw rod of described both sides, be all rotary with the second internal thread sleeve pipe, on the second internal thread sleeve pipe, be provided with installing plate, be connected with three-dimensional camera on installing plate, two three-dimensional camera correspondences are arranged on both sides, described shooting grating below.
the utility model beneficial effect.
the extraction of the utility model set person's handwriting two-dimensional signal and two kinds of functions of person's handwriting three-dimensional information extraction are, realizing person's handwriting two and three dimensions view data measures, in check is identified, the stereoeffect of person's handwriting two dimensional image and three-dimensional data information are reflected to card mutually, promote accuracy and the confidence level of assay.
in addition, the utility model, by 3 Dimension Image Technique, can extract written handwriting stroke pressure information data, can provide the depth of cup data of arbitrfary point on stroke, and the vigour of style in literary composition and the distribution characteristics thereof of for quantitative test judgement, writing people provide authentic data.
secondly, the utility model supports transverse arm, second by the first rotating shaft, first and supports being used in conjunction with of transverse arm, is convenient to the position adjustments of spatial digitizer and Stereo microscope, and compact integral structure.
Accompanying drawing explanation
below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection domain is not only confined to the statement of following content.
fig. 1 is the utility model structural representation.
fig. 2 is another angle outside drawing of the utility model.
fig. 3 is the A portion enlarged drawing of Fig. 1.
fig. 4 is the utility model spatial digitizer associated components structural representation.
in figure, 1 is worktable, 2 is objective table, 3 is two-tube optical fiber source parts, 4 is column, 5 is vertical tooth bar, 6 is the 3rd sleeve pipe, 7 is the first gear, 8 is knob, 9 is Stereo microscope, 10 is the second sleeve pipe, 11 is the second support transverse arm, 12 is the first support transverse arm, 13 is spatial digitizer, 14 is location magnetic stripe compressing tablet, 15 is the first swing handle, 16 is rectangular frame, 17 is 360 degree rotating discs, 18 is the first bolt, 19 is the second bolt, 20 is leaded light transverse slat, 21 is transverse tube illuminating lamp, 22 is the first guide pillar, 23 is the first screw rod, 24 is the first nut, 25 is the first transverse slat, 26 is pedestal, 27 is horizontal support plate, 28 is turbine, 29 is chute, 30 is the second internal thread sleeve pipe, 31 for supporting transverse slat, 32 is the second screw rod, 33 is riser bearing, 34 is the 3rd screw rod, 35 is worm screw, 36 is shooting grating, 37 is three-dimensional camera, 38 is electromagnetic clutch, 39 is motor.
Embodiment
as shown in the figure, the utility model comprises worktable 1, worktable 1 rear side is provided with column 4, on the worktable 1 in column 4 the place aheads, be provided with objective table 2, objective table 2 sides are provided with detection light source parts, column 4 tops are provided with the first rotating shaft, the first support transverse arm 12 and second is set in the first rotating shaft and supports transverse arm 11, the first outer end of supporting transverse arm 12 is provided with spatial digitizer 13, the second outer end of supporting transverse arm 11 is provided with Stereo microscope 9, the first and supports transverse arms 12 and second to support the lateral length of transverse arm 11 corresponding with the position of objective table 2.
it is the sky spatial digitizer far away of OKIO-S-100 that described spatial digitizer 13 can adopt model.
it is three order synchronous imaging Stereo microscopes of the Zhong Xianheng industry company product of SZM-76 that described Stereo microscope 9 can adopt model.
described objective table 2 adopts removable two-dimentional objective table, and removable two-dimentional objective table middle part is embedded with 360 degree rotating discs 17.360 degree rotating discs 17 coordinate removable two-dimentional objective table, can realize observation and information extraction to person's handwriting optional position on material evidence.The moving range of removable two-dimentional objective table can be set to 180mm * 155mm, and can select the ZWT302 moving stage of Wuzhou Ao Ka optical instrument company limited.
the described first angle that supports transverse arm 12 and the second support transverse arm 11 is 90 degree.The rotational angle of the first rotating shaft can be set to 90 degree, and the angle that supports transverse arm 11 with the first support transverse arm 12 and second is corresponding.
described 360 degree rotating discs 17 adopt irony rotating disk, are provided with location magnetic stripe compressing tablet 14 on irony rotating disk.
described detection light source parts comprise sidelight seam light source part and two-tube optical fiber source parts 3, and the main body of two-tube optical fiber source parts 3 is placed in column 4 lower ends, two-tube column 4 both sides that are placed in respectively of two-tube optical fiber source parts 3.Sidelight seam light source part and two-tube optical fiber source parts 3 are set, can realize observation and the measurement of under the different incident angle of light of sidelight seam light source and optical fiber source, identifying the handwriting, be convenient to extract two-dimensional image information and three-dimensional effect diagram.
described sidelight seam light source part comprises the pedestal 26 having a down dip to 360 degree rotating disc 17 sides, rectangular frame 16 is opened in the inner side that is provided with horizontal placement on pedestal 26, rectangular frame 16 middle parts are provided with the first screw rod 23 perpendicular to pedestal 26 inclined-planes, the first screw rod 23 tops are arranged on rectangular frame 16 upper side frames by clutch shaft bearing, the first screw rod 23 upper ends are provided with the first swing handle 15, on the first screw rod 23 of rectangular frame 16 inner sides, be rotary with the first nut 24, the first nut 24 outsides are fixed with the first transverse slat 25 perpendicular to pedestal 26 inclined-planes, the first transverse slat 25 two ends are provided with the first sleeve pipe, first set pipe box is on the first guide pillar 22, the first guide pillar 22 two ends are fixed on rectangular frame 16, on the first transverse slat 25, be provided with transverse tube illuminating lamp 21, transverse tube illuminating lamp 21 top and bottom are provided with the leaded light transverse slat 20 that is parallel to pedestal 26 inclined-planes.The position of sidelight seam light source part can be moved as required.
the angle of inclination on described pedestal 26 inclined-planes is 0 °～20 °, and the length of transverse tube illuminating lamp 21 is 100mm.
described the first rotating shaft adopts the second sleeve pipe 10, the second sleeve pipe 10 is enclosed within on described column 4, described the first support transverse arm 12 and second supports transverse arm 11 and is arranged on the second sleeve pipe 10 upper ends, on the second sleeve pipe 10, be provided with the first horizontal thread hole, location, in the first horizontal thread hole, location, be rotary with the first bolt 18; On the column 4 of the second sleeve pipe 10 belows, cover has the 3rd sleeve pipe 6, on the 3rd sleeve pipe 6, be provided with laterally projection, on projection, be provided with horizontal axis hole, in axis hole, be installed with the 3rd rotating shaft, the 3rd rotating shaft one end is provided with knob 8, in the 3rd rotating shaft, be provided with the first gear 7, the first gears 7 through vertical tooth bar 5 engagements on the 3rd sleeve pipe 6 sidewalls and column 4; On the 3rd sleeve pipe 6, be provided with the second horizontal thread hole, location, in the second horizontal thread hole, location, be rotary with the second bolt 19.
described spatial digitizer 13 comprises the first camera, second camera and shooting grating 36, rear end and the Z-shaped stile upper end of shooting grating 36 are fixed, both sides, Z-shaped stile lower end are fixed on horizontal support plate 27, horizontal support plate 27 rear ends are fixed with riser slide block, riser slide block two ends are placed in described first and support in the chute 29 of riser bearing 33 both sides of outer end of transverse arm 12, riser bearing is provided with support transverse slat 31 in two ends Shang Xia 33, support between transverse slat 31 and be fixed with vertical the second screw rod 32, the second screw rod 32 is through the through hole on described horizontal support plate 27, on the second screw rod 32 of horizontal support plate 27 tops, be rotary with the first internal thread sleeve pipe, the first internal thread sleeve pipe lower end is connected with horizontal support plate 27 by the 3rd bearing, the first internal thread sleeve pipe periphery is fixed with turbine 28, turbine 28 meshes with the worm screw 35 in its place ahead, worm screw 35 both sides respectively contrary with rotation direction the 3rd screw rod 34 are connected, the outside of both sides the 3rd screw rod 34 is all arranged on horizontal support plate 27 by the 4th bearing, the outer end of one side the 3rd screw rod 34 is provided with rotation rocking handle, the outer end of opposite side the 3rd screw rod 34 is connected with motor 39 output shafts on horizontal support plate 27 by electromagnetic clutch 38, on the 3rd screw rod 34 of described both sides, be all rotary with on the second internal thread sleeve pipe 30, the second internal thread sleeve pipes 30 and be provided with installing plate, on installing plate, be connected with 37, two three-dimensional camera 37 correspondences of three-dimensional camera and be arranged on described shooting grating 36 both sides, below.
by cooperatively interacting of turbine 28, worm screw 35, realize the interlock that between two three-dimensional cameras 37, distance adjustment and three-dimensional camera 37 highly regulate, as when three-dimensional camera 37 is during to two side shiftings, three-dimensional camera 37 moves up simultaneously, completes two steps whole simultaneously.In addition, by electromagnetic clutch 38 being set and rotating rocking handle and can realize three-dimensional camera 37 fine position.When needs are finely tuned, control electromagnetic clutch 38, motor 39 output shafts and the 3rd screw rod 34 are departed from, by rotation rocking handle, regulate three-dimensional camera 37 positions.
below in conjunction with accompanying drawing, the course of work of the present utility model is described.
1, file material evidence is placed on 360 degree rotating discs 17, fixing with location magnetic stripe compressing tablet 14; Stereo microscope 9 is rotated to material evidence.
2, by the first swing handle 15, adjust the upper-lower position of transverse tube illuminating lamps 21, and by two-tube optical fiber source parts 3 can curved conductor adjustment optical fiber source lighting position, reach optimal viewing condition and shooting condition.By 9 pairs of material evidences of Stereo microscope, observe, and extract two-dimensional image information and three-dimensional effect diagram by the camera on Stereo microscope 9.
3, spatial digitizer 13 is rotated to material evidence, according to material evidence verification of handwriting demand, 39 pairs of three-dimensional cameras of starter motor 37 carry out left and right distance, the preliminary adjustment of height up and down, re-using rotation rocking handle finely tunes, the person's handwriting of demarcating in areal extent is carried out to 3-D scanning, realize Real-time Collection, the storage of 3-D view.
be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; As long as meet, use needs, all within protection domain of the present utility model.
Claims (9)
1.
person's handwriting two dimension three-dimensional information extraction check meter, comprise worktable (1), worktable (1) rear side is provided with column (4), on the worktable (1) in column (4) the place ahead, be provided with objective table (2), objective table (2) side is provided with detection light source parts, it is characterized in that column (4) top is provided with the first rotating shaft, the first support transverse arm (12) and second is set in the first rotating shaft and supports transverse arm (11), the first outer end of supporting transverse arm (12) is provided with spatial digitizer (13), the second outer end of supporting transverse arm (11) is provided with Stereo microscope (9), the lateral length of the first support transverse arm (12) and the second support transverse arm (11) is corresponding with the position of objective table (2).
2.
according to claim 1, person's handwriting two dimension three-dimensional information extraction check meter, is characterized in that described objective table (2) adopts removable two-dimentional objective table, and removable two-dimentional objective table middle part is embedded with 360 degree rotating discs (17).
3.
according to claim 1, person's handwriting two dimension three-dimensional information extraction check meter, is characterized in that the described first angle that supports transverse arm (12) and the second support transverse arm (11) is 90 degree.
4.
according to claim 2, person's handwriting two dimension three-dimensional information extraction check meter, is characterized in that described 360 degree rotating discs (17) adopt irony rotating disk, are provided with location magnetic stripe compressing tablet (14) on irony rotating disk.
5.
person's handwriting two dimension three-dimensional information extraction check meter according to claim 2, it is characterized in that described detection light source parts comprise sidelight seam light source part and two-tube optical fiber source parts (3), the main body of two-tube optical fiber source parts (3) is placed in column (4) lower end, two-tube column (4) both sides that are placed in respectively of two-tube optical fiber source parts (3).
6.
person's handwriting two dimension three-dimensional information extraction check meter according to claim 5, it is characterized in that described sidelight seam light source part comprises the pedestal (26) having a down dip to 360 degree rotating disc (17) sides, rectangular frame (16) is opened in the inner side that is provided with horizontal placement on pedestal (26), rectangular frame (16) middle part is provided with the first screw rod (23) perpendicular to pedestal (26) inclined-plane, the first screw rod (23) top is arranged on rectangular frame (16) upper side frame by clutch shaft bearing, the first screw rod (23) upper end is provided with the first swing handle (15), on first screw rod (23) of rectangular frame (16) inner side, be rotary with the first nut (24), the first nut (24) outside is fixed with the first transverse slat (25) perpendicular to pedestal (26) inclined-plane, the first transverse slat (25) two ends are provided with the first sleeve pipe, first set pipe box is on the first guide pillar (22), the first guide pillar (22) two ends are fixed on rectangular frame (16), on the first transverse slat (25), be provided with transverse tube illuminating lamp (21), transverse tube illuminating lamp (21) top and bottom are provided with the leaded light transverse slat (20) that is parallel to pedestal (26) inclined-plane.
7.
person's handwriting two dimension three-dimensional information extraction check meter according to claim 6, the angle of inclination that it is characterized in that described pedestal (26) inclined-plane is 0 °～20 °, the length of transverse tube illuminating lamp (21) is 100mm.
8.
person's handwriting two dimension three-dimensional information extraction check meter according to claim 1, it is characterized in that described the first rotating shaft adopts the second sleeve pipe (10), the second sleeve pipe (10) is enclosed within on described column (4), described the first support transverse arm (12) and second supports transverse arm (11) and is arranged on the second sleeve pipe (10) upper end, on the second sleeve pipe (10), be provided with the first horizontal thread hole, location, in the first horizontal thread hole, location, be rotary with the first bolt (18); The upper cover of column (4) of the second sleeve pipe (10) below has the 3rd sleeve pipe (6), on the 3rd sleeve pipe (6), be provided with laterally projection, on projection, be provided with horizontal axis hole, in axis hole, be installed with the 3rd rotating shaft, the 3rd rotating shaft one end is provided with knob (8), in the 3rd rotating shaft, be provided with the first gear (7), the first gear (7) is through vertical tooth bar (5) engagement on the 3rd sleeve pipe (6) sidewall and column (4); On the 3rd sleeve pipe (6), be provided with the second horizontal thread hole, location, in the second horizontal thread hole, location, be rotary with the second bolt (19).
9.
person's handwriting two dimension three-dimensional information extraction check meter according to claim 1, it is characterized in that described spatial digitizer (13) comprises the first camera, second camera and shooting grating (36), rear end and the Z-shaped stile upper end of shooting grating (36) are fixed, both sides, Z-shaped stile lower end are fixed on horizontal support plate (27), horizontal support plate (27) rear end is fixed with riser slide block, riser slide block two ends are placed in described first and support in the chute (29) of riser bearing (33) both sides of outer end of transverse arm (12), the upper and lower two ends of riser bearing (33) are provided with supports transverse slat (31), support between transverse slat (31) and be fixed with vertical the second screw rod (32), the second screw rod (32) is through the through hole on described horizontal support plate (27), on second screw rod (32) of horizontal support plate (27) top, be rotary with the first internal thread sleeve pipe, the first internal thread sleeve pipe lower end is connected with horizontal support plate (27) by the 3rd bearing, the first internal thread sleeve pipe periphery is fixed with turbine (28), turbine (28) meshes with the worm screw (35) in its place ahead, worm screw (35) both sides respectively three screw rod (34) contrary with rotation direction are connected, the outside of both sides the 3rd screw rod (34) is all arranged on horizontal support plate (27) by the 4th bearing, the outer end of one side the 3rd screw rod (34) is provided with rotation rocking handle, the outer end of opposite side the 3rd screw rod (34) is connected with motor (39) output shaft on horizontal support plate (27) by electromagnetic clutch (38), on the 3rd screw rod (34) of described both sides, be all rotary with the second internal thread sleeve pipe (30), on the second internal thread sleeve pipe (30), be provided with installing plate, on installing plate, be connected with three-dimensional camera (37), two three-dimensional cameras (37) correspondence is arranged on both sides, described shooting grating (36) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869555.0U CN203733132U (en) | 2013-12-27 | 2013-12-27 | Two-dimensional and three-dimensional information extracting checking instrument for handwriting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869555.0U CN203733132U (en) | 2013-12-27 | 2013-12-27 | Two-dimensional and three-dimensional information extracting checking instrument for handwriting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733132U true CN203733132U (en) | 2014-07-23 |
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ID=51203188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320869555.0U Expired - Fee Related CN203733132U (en) | 2013-12-27 | 2013-12-27 | Two-dimensional and three-dimensional information extracting checking instrument for handwriting |
Country Status (1)
| Country | Link |
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| CN (1) | CN203733132U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577973A (en) * | 2016-01-28 | 2016-05-11 | 广东越联仪器有限公司 | 3d scanner |
| CN107122766A (en) * | 2017-05-23 | 2017-09-01 | 刘青 | A kind of method of handwriting verification |
| CN107238571A (en) * | 2017-07-19 | 2017-10-10 | 芜湖市奥尔特光电科技有限公司 | A kind of multi-functional examination of material evidence instrument |
| CN108810364A (en) * | 2018-04-28 | 2018-11-13 | 刘红兵 | The visual extraction apparatus of trace material evidence |
-
2013
- 2013-12-27 CN CN201320869555.0U patent/CN203733132U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577973A (en) * | 2016-01-28 | 2016-05-11 | 广东越联仪器有限公司 | 3d scanner |
| CN107122766A (en) * | 2017-05-23 | 2017-09-01 | 刘青 | A kind of method of handwriting verification |
| CN107122766B (en) * | 2017-05-23 | 2019-09-06 | 北京瑞源智通科技有限公司 | A kind of method of handwriting verification |
| CN107238571A (en) * | 2017-07-19 | 2017-10-10 | 芜湖市奥尔特光电科技有限公司 | A kind of multi-functional examination of material evidence instrument |
| CN108810364A (en) * | 2018-04-28 | 2018-11-13 | 刘红兵 | The visual extraction apparatus of trace material evidence |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20161227 |