CN112543259B - Computer image recognition device based on cloud platform - Google Patents
Computer image recognition device based on cloud platform Download PDFInfo
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- CN112543259B CN112543259B CN202011628689.4A CN202011628689A CN112543259B CN 112543259 B CN112543259 B CN 112543259B CN 202011628689 A CN202011628689 A CN 202011628689A CN 112543259 B CN112543259 B CN 112543259B
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- paper
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- cloud platform
- base
- image recognition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
- H04N1/00557—Connection or assembly of components or elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
- H04N1/2032—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet of two pictures corresponding to two sides of a single medium
Abstract
The invention discloses a computer image recognition device based on a cloud platform, which comprises a shooting base box and a paper support box, wherein a first camera is fixedly arranged on the lower surface of a base, LED lamp panels are fixedly arranged at the positions of two sides of the base by a pull rod, a transparent plate is fixedly arranged in the shooting base box, a second camera is fixedly arranged in the middle of the bottom surface of the inner part of the shooting base box, paper discharge mechanisms are respectively arranged at the rectangular opening positions of two ends of the inner part of the shooting base box, a lifting plate is arranged in the paper support box, and a paper scanning mechanism is arranged above the paper support box. According to the invention, the paper scanning mechanism can scan the paper document on the upper layer into the shooting base box, the first camera and the second camera can shoot the front and back sides of the paper document, and after shooting is finished, the paper discharging mechanism can discharge the shot paper document from the paper outlet, so that the automation degree of the whole process is higher, the paper document shooting efficiency is greatly improved, and the computer can conveniently and quickly archive the shot image of the paper document.
Description
Technical Field
The invention relates to the technical field of computer identification, in particular to a computer image identification device based on a cloud platform.
Background
With the development of society and the popularization of computers, people work with computers at present, when banks transact some businesses for customers, photos shot by files need to be filed in the computers, and particularly after the business is implemented in a real-name system, some businesses need to shoot and maintain the transacted procedures, certificates and materials and shoot information of the customers.
The existing device has low automation degree, is difficult to efficiently shoot large-batch paper documents and has insufficient flexibility.
Disclosure of Invention
The invention aims to provide a computer image recognition device based on a cloud platform to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a computer image recognition device based on a cloud platform comprises a shooting base box and a paper support box, wherein both ends of the shooting base box are fixedly provided with protruding boxes, the protruding boxes are fixedly provided with limiting cylinders, supporting columns are movably inserted in the limiting cylinders, a pull rod is fixedly arranged between the upper ends of the two supporting columns, the middle surface of the pull rod is sleeved with a base, the lower surface of the base is fixedly provided with a first camera, the pull rod is fixedly provided with LED lamp panels on both sides of the base, the inside of the shooting base box is fixedly provided with a transparent plate, the middle part of the bottom surface inside the shooting base box is fixedly provided with a second camera, both ends of the transparent plate are provided with rectangular openings, both ends of the inside of the shooting base box are provided with paper discharge mechanisms at rectangular opening positions, the rear side of the shooting base box is provided with a notch groove, the front side of the paper support box is provided with protruding ribs of an integrated structure, and the protruding ribs are movably hinged in the notch groove, a lifting plate is arranged in the paper support box, protruding ribs are fixedly arranged at two ends of the lifting plate, sliding groove openings are formed in two side walls of the paper support box, sliding rods are vertically and fixedly arranged in the sliding groove openings, the protruding ribs are movably inserted in the sliding groove openings, the sliding rods movably penetrate through the protruding ribs, springs are movably sleeved on the lower portions of the sliding rods, a paper sweeping mechanism is arranged above the paper support box, a paper falling opening is formed in one side, close to the position of the shooting base box, of the paper support box, and a paper outlet is formed in the front side end of the shooting base box; the first camera and the second camera are both connected with the cloud platform through a network.
Furthermore, an electric push rod is fixedly installed in the protruding box, a piston rod of the electric push rod is movably inserted into the limiting cylinder, and the upper end of the piston rod of the electric push rod is fixedly connected with the lower end of the ejection column at the corresponding position.
Further, sweep paper mechanism and include protrusion board, first motor, stay tube, pivot and runner, protrusion board fixed mounting is in paper tray box upper surface one end, first motor fixed mounting is on protrusion board outside surface, stay tube fixed mounting is on protrusion board inside surface, the pivot is located the stay tube, and pivot one end stretches out in stay tube one end, runner and pivot one end fixed connection, the output shaft activity of first motor insert with in the stay tube with pivot other end fixed connection, the runner surface is axle center symmetry fixed mounting and has elasticity rubber to sweep the area.
Furthermore, the paper discharge mechanism comprises a second motor and a rubber roller, the second motor is fixedly installed on the inner side wall of the shooting base box, the rubber roller is located in the rectangular opening, and the rubber roller is fixedly connected with an output shaft of the second motor at the corresponding position.
Furthermore, the upper end of the rubber roller extends out of the upper surface of the transparent plate.
Furthermore, LED bulbs are fixedly arranged at the bottom in the shooting base box at the positions of two sides of the second camera.
Furthermore, a threaded hole is formed in the upper surface of the base, and a knob bolt is connected in the threaded hole in a matched mode.
Furthermore, bearings are fixedly installed at two ends of the inside of the supporting tube, and the bearings are sleeved on the surface of the rotating shaft.
Further, sweep the outside of paper mechanism and still be equipped with out paper adaptation mechanism, it includes fixed plate and two splint to go out paper adaptation mechanism, and the fixed plate is all installed at paper support box upper surface both ends, installs vertical first spout on every fixed plate, and both sides all are equipped with vertical second spout around every first spout, and first spout and second spout are cruciform structure, are equipped with the slide in the second spout, and the tip of two splint passes through the dead lever and is connected with the slide, and the regulating part is installed to the outer end of slide, forms the guide way between two splint.
Furthermore, the elastic rubber sweeping belt comprises a rubber sweeping belt base body and a rubber sweeping belt contact part, an obtuse included angle is formed between the rubber sweeping belt base body and the rubber sweeping belt contact part, at least one metal conducting wire is arranged along the surface of the rubber sweeping belt base body and the surface of the rubber sweeping belt contact part, and the metal conducting wire penetrates through the rotating wheel and then is connected with the rotating shaft made of a metal material.
Compared with the prior art, the invention has the advantages that:
the shooting base box is used for shooting paper documents, the paper support box is used for accommodating the paper documents, when a stack of paper documents are placed in the paper support box, the lifting plate descends under the action of gravity of the stack of paper documents, the paper scanning mechanism can scan the upper layer of paper documents into the shooting base box, the first camera and the second camera can be used for shooting the front and the back of the paper documents, after the shooting is finished, the paper discharging mechanism can discharge the shot paper documents from the paper outlet, the subsequent shooting of the paper documents is facilitated, the automation degree of the whole process is high, the paper document shooting efficiency is greatly improved, and the computer can conveniently and quickly archive the shot images of the paper documents.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a computer image recognition apparatus based on a cloud platform according to the present invention.
Fig. 2 is a sectional view of the photographing base case of the present invention.
Fig. 3 is a sectional view of the paper tray case of the present invention.
Fig. 4 is a schematic structural diagram of the paper discharge adapting mechanism in the invention.
FIG. 5 is a detailed view of the elastic rubber sweeping belt of the present invention.
In the figure: 1 shooting a base box, 2 protruding boxes, 3 limiting cylinders, 4 top posts, 5 pull rods, 6 bases, 7 first cameras, 8LED lamp panels, 9 threaded holes, 10 knob bolts, 11 transparent plates, 12 electric push rods, 13 second cameras, 14 paper support boxes, 15 lifting plates, 16 protruding ribs, 17 notch grooves, 18 protruding plates, 19 first motors, 20 supporting tubes, 21 rotating wheels, 22 elastic rubber sweeping belts, 23 rotating shafts, 24 bearings, 25 sliding groove openings, 26 protruding ribs, 27 sliding rods, 28 springs, 29 rectangular openings, 30 second motors, 31 rubber rolling wheels, 32 paper falling openings, 33 paper outlet openings and 34 LED bulbs; the device comprises a fixing plate 35, a clamping plate 36, a first sliding chute 37, an adjusting piece 38, a guide groove 39, a second sliding chute 40, a sliding plate 41, a speed sensor 42, an infrared sensor 43, a rubber sweeping belt base body 220, a rubber sweeping belt contact part 221 and a metal lead 222.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1-5, the invention provides a cloud platform-based computer image recognition device, which comprises a shooting base box 1 and a paper support box 14, wherein both ends of the shooting base box 1 are fixedly provided with protruding boxes 2, the protruding boxes 2 are fixedly provided with limiting cylinders 3, top pillars 4 are movably inserted in the limiting cylinders 3, a pull rod 5 is fixedly arranged between the upper ends of the two top pillars 4, the middle surface of the pull rod 5 is sleeved with a base 6, the lower surface of the base 6 is fixedly provided with a first camera 7, the pull rod 5 is fixedly provided with LED lamp panels 8 at both sides of the base 6, a transparent plate 11 is fixedly arranged in the shooting base box 1, the middle part of the inner bottom surface of the shooting base box 1 is fixedly provided with a second camera 13, the first camera and the second camera are both connected with a cloud platform through a network, images shot by the first camera 7 and the second camera 13 are both stored in the cloud platform in real time, so as to be convenient for taking and using, both ends of the transparent plate 11 are provided with rectangular openings 29, both ends inside the shooting base box 1 are provided with paper discharge mechanisms at the positions of the rectangular openings 29, the rear side of the shooting base box 1 is provided with a notch groove 17, the front side of the paper support box 14 is provided with a convex rib 16 of an integrated structure, the convex rib 16 is movably hinged in the notch groove 17, the inside of the paper support box 14 is provided with a lifting plate 15, both ends of the lifting plate 15 are fixedly provided with convex ribs 26, both side walls inside the paper support box 14 are provided with sliding groove openings 25, sliding rods 27 are vertically and fixedly arranged in the sliding groove openings 25, the convex ribs 26 are movably inserted in the sliding groove openings 25, the sliding rods 27 movably penetrate through the convex ribs 26, the lower parts of the sliding rods 27 are movably sleeved with springs 28, when there are few paper files on the paper support box 14, the lifting plate 15 can ascend through the elastic force of the springs 28, a paper scanning mechanism is arranged above the paper support box 14, one side of the paper support box 14 close to the position of the shooting base box 1 is provided with a paper falling opening 32, the front side end of the shooting base box 1 is provided with a paper outlet 33.
In this embodiment, the protruding box 2 is internally and fixedly provided with an electric push rod 12, a piston rod of the electric push rod 12 is movably inserted into the limiting cylinder 3, and the upper end of the piston rod of the electric push rod 12 is fixedly connected with the lower end of the top pillar 4 at the corresponding position.
In this embodiment, the paper sweeping mechanism includes a protruding plate 18, a first motor 19, a supporting tube 20, a rotating shaft 23 and a rotating wheel 21, the protruding plate 18 is fixedly installed at one end of the upper surface of the paper support box 14, the first motor 19 is fixedly installed on the outer side surface of the protruding plate 18, the supporting tube 20 is fixedly installed on the inner side surface of the protruding plate 18, the rotating shaft 23 is located in the supporting tube 20, one end of the rotating shaft 23 extends out of one end of the supporting tube 20, the rotating wheel 21 is fixedly connected with one end of the rotating shaft 23, an output shaft of the first motor 19 is movably inserted into the supporting tube 20 and fixedly connected with the other end of the rotating shaft 23, an elastic rubber sweeping belt 22 is fixedly installed on the surface of the rotating wheel 21 in an axial symmetry manner, and the elastic rubber sweeping belt 22 can press-fit a paper document on the paper support box 14.
In this embodiment, the paper discharging mechanism includes a second motor 30 and a rubber roller 31, the second motor 30 is fixedly installed on the inner side wall of the shooting base box 1, the rubber roller 31 is located in the rectangular opening 29, and the rubber roller 31 is fixedly connected with the output shaft of the second motor 30 at the corresponding position.
In this embodiment, the upper end of the rubber roller 31 extends out of the upper surface of the transparent plate 11, so that the rubber roller 31 can drive the paper document on the transparent plate 11.
In this embodiment, the bottom of the shooting base box 1 is fixedly provided with LED bulbs 34 at two sides of the second camera 3 for lighting the inside of the shooting base box 1.
In this embodiment, a threaded hole 9 is formed in the upper surface of the base 6, a knob bolt 10 is cooperatively connected to the threaded hole 9, the base 6 is fixed to the pull rod 5, and the base 6 can be rotated to change the angle after the knob bolt 10 is loosened.
In this embodiment, bearings 24 are fixedly installed at both ends of the inside of the supporting tube 20, and the bearings 24 are all sleeved on the surface of the rotating shaft 23.
In this embodiment, the outside of sweeping paper mechanism still be equipped with out paper adaptive mechanism, because the inconsistent paper speed that can lead to the paper of paper and direction of sweeping paper mechanism in the rotational speed of first motor 19 have the difference, this play paper adaptive mechanism can be according to the rotational speed of first motor 19 and then height-adjusting to in time go out paper guide way 39 that just in time slightly between two splint 36 and pass through, this play paper adaptive mechanism can avoid sweeping paper mechanism play paper back paper and lead to the paper directly to drop owing to receive external factor (for example breeze), thereby lead to the picture that the camera shot unclear.
Specifically, play paper adaptation mechanism include fixed plate 35 and two splint 36, fixed plate 35 is all installed at 14 upper surface both ends of paper support box, install vertical first spout 37 on every fixed plate 35, both sides all are equipped with vertical second spout 40 around every first spout 37, first spout 37 and second spout 40 are the cruciform structure, be equipped with slide 41 in the second spout 40, the tip of two splint 36 is passed through the dead lever and is connected with slide 41, regulating part 38 is installed to slide 41's outer end, form guide way 39 between two splint 36, the process of height-adjusting specifically does, adjust the height of slide 41 on second spout 40 is gone up and down through regulating part 38, and then adjust the height of two splint 36, after the adjustment is accomplished screw regulating part 38 can.
In this embodiment, the lower end of the upper clamping plate 36 is provided with the speed sensor 42, the upper end of the lower clamping plate 36 is provided with the infrared sensor 43, the speed sensor 42 can detect the entering speed of the paper, the infrared sensor 43 can detect whether the paper arrives, the time of the paper entering one side of the first camera 7 and the second camera 13 can be calculated through the two parameters, meanwhile, the time can be corrected according to the actual working parameters to reach an accurate time, when the time arrives, the first camera 7 and the second camera 13 are started to take a picture, and therefore the phenomenon that the first camera 7 and the second camera 13 are started for a long time to cause power waste and reduce the service life of the equipment can be avoided.
In this embodiment, the elastic rubber sweeping belt 22 includes a rubber sweeping belt base 220 and a rubber sweeping belt contact part 221, an obtuse included angle is formed between the rubber sweeping belt base 220 and the rubber sweeping belt contact part 221, paper sweeping can be performed in a manner of simulating hand sweeping, at least one metal wire 222 is arranged along the surface of the rubber sweeping belt base 220 and the rubber sweeping belt contact part 221, the metal wire 222 is connected with the rotating shaft 23 made of a metal material after passing through the rotating wheel 21, static electricity can be eliminated quickly because the paper has certain static electricity, the static electricity is introduced into the rotating shaft 23 through the metal wire 222 and then is grounded through the equipment rack, and the situation that the paper has static electricity to cause the situation that a plurality of pieces of paper are swept in at one time is avoided.
The working principle of the invention is as follows: a pile of paper documents are placed in the paper support box 14, the lifting plate 15 descends under the action of gravity of the pile of paper documents, the first motor 19 rotates to enable the rotating wheel 21 to rotate, the rotating wheel 21 can scan the paper documents on the upper layer into the shooting base box 1 through the paper outlet adaptive mechanism through the elastic rubber scanning belt 22, the front and back sides of the paper documents can be shot through the first camera 7 and the second camera 13, after shooting is finished, the paper documents are transmitted to the cloud platform to be filed, then the paper documents are rotated through the second motor 30, the rubber roller 31 can discharge the paper documents after shooting from the paper outlet 33, and accordingly, the subsequent paper documents can be conveniently shot.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the invention, as long as they do not exceed the scope of the invention described in the claims.
Claims (10)
1. The utility model provides a computer image recognition device based on cloud platform, is including shooing the base box, its characterized in that: the photographic base box comprises a photographic base box body and is characterized by further comprising a paper support box, wherein protruding boxes are fixedly installed at two ends of the photographic base box body, limiting cylinders are fixedly installed on the protruding boxes, ejection columns are movably inserted in the limiting cylinders, a pull rod is fixedly installed between the upper ends of the two ejection columns, a base is sleeved on the middle surface of the pull rod, a first camera is fixedly installed on the lower surface of the base, LED lamp panels are fixedly installed at two sides of the base through the pull rod, a transparent plate is fixedly installed in the photographic base box body, a second camera is fixedly installed at the middle part of the bottom surface of the inner portion of the photographic base box body, rectangular openings are formed in two ends of the transparent plate, a paper discharge mechanism is installed at the positions of the rectangular openings at two ends of the inner portion of the photographic base box body, a notch groove is formed in the rear side of the photographic base box body, protruding ribs of an integrated structure are arranged on the front side of the paper support box body and movably hinged in the notch grooves, lifting plates are arranged in the paper support box body, and protruding ribs are fixedly installed at two ends of the lifting plates, the paper holder box is characterized in that two side walls of the interior of the paper holder box are respectively provided with a sliding groove opening, a sliding rod is vertically and fixedly arranged in each sliding groove opening, the protruding ribs are movably inserted into the sliding groove openings, the sliding rods movably penetrate through the protruding ribs, springs are movably sleeved on the lower portions of the sliding rods, a paper sweeping mechanism is arranged above the paper holder box, one side, close to the position of the shooting base box, of the paper holder box is provided with a paper falling opening, and the front side end of the shooting base box is provided with a paper outlet; the first camera and the second camera are both connected with the cloud platform through a network.
2. A computer image recognition device based on a cloud platform according to claim 1, wherein: an electric push rod is fixedly arranged in the convex box, a piston rod of the electric push rod is movably inserted into the limiting cylinder, and the upper end of the piston rod of the electric push rod is fixedly connected with the lower end of the ejection column at the corresponding position.
3. A computer image recognition device based on a cloud platform according to claim 1, wherein: sweep paper mechanism and include protrusion board, first motor, stay tube, pivot and runner, protrusion board fixed mounting holds in the palm box upper surface one end at paper, first motor fixed mounting is on protrusion board outside surface, stay tube fixed mounting is on protrusion board inside surface, the pivot is located the stay tube, and pivot one end stretches out in stay tube one end, runner and pivot one end fixed connection, the output shaft activity of first motor insert with in the stay tube with pivot other end fixed connection, the runner surface is axle center symmetry fixed mounting elasticity rubber and sweeps the area.
4. A computer image recognition device based on a cloud platform according to claim 1, wherein: the paper discharge mechanism comprises a second motor and a rubber roller, the second motor is fixedly installed on the inner side wall of the shooting base box, the rubber roller is located in the rectangular opening, and the rubber roller is fixedly connected with an output shaft of the second motor at the corresponding position.
5. A computer image recognition device based on a cloud platform according to claim 4, wherein: the upper end of the rubber roller extends out of the upper surface of the transparent plate.
6. A computer image recognition device based on a cloud platform according to claim 5, wherein: and LED bulbs are fixedly arranged at the bottom in the shooting base box at the positions of two sides of the second camera.
7. A computer image recognition device based on a cloud platform according to claim 1, wherein: the upper surface of the base is provided with a threaded hole, and a knob bolt is connected in the threaded hole in a matching manner.
8. A computer image recognition device based on a cloud platform according to claim 3, wherein: and bearings are fixedly arranged at two ends in the supporting tube and are sleeved on the surface of the rotating shaft.
9. A cloud platform based computer image recognition device according to any one of claims 1-8, wherein: sweep the outside of paper mechanism and still be equipped with out paper adaptation mechanism, go out paper adaptation mechanism and include fixed plate and two splint, the fixed plate is all installed at paper support box upper surface both ends, installs vertical first spout on every fixed plate, both sides all are equipped with vertical second spout around every first spout, first spout and second spout are the cruciform structure, be equipped with the slide in the second spout, the tip of two splint passes through the dead lever and is connected with the slide, the regulating part is installed to the outer end of slide, form the guide way between two splint.
10. A computer image recognition device based on a cloud platform according to claim 3, wherein: the elastic rubber sweeping belt comprises a rubber sweeping belt base body and a rubber sweeping belt contact part, an obtuse angle included angle is formed between the rubber sweeping belt base body and the rubber sweeping belt contact part, at least one metal wire is arranged on the surface of the rubber sweeping belt base body and the surface of the rubber sweeping belt contact part, and the metal wire penetrates through the rotating wheel and then is connected with a rotating shaft made of a metal material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011628689.4A CN112543259B (en) | 2020-12-31 | 2020-12-31 | Computer image recognition device based on cloud platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011628689.4A CN112543259B (en) | 2020-12-31 | 2020-12-31 | Computer image recognition device based on cloud platform |
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| CN112543259A CN112543259A (en) | 2021-03-23 |
| CN112543259B true CN112543259B (en) | 2022-07-05 |
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| JP2004096295A (en) * | 2002-08-30 | 2004-03-25 | Hitachi Ltd | Contactless image scanner with automatic sheet feeder mechanism |
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| CN110562773A (en) * | 2019-09-19 | 2019-12-13 | 中北大学 | Paper archives data acquisition device |
| CN111114151A (en) * | 2020-01-16 | 2020-05-08 | 苏州德启智能科技有限公司 | Integrated mechanism for paper scanning, number rubbing and sorting |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4674518B2 (en) * | 2005-09-29 | 2011-04-20 | ブラザー工業株式会社 | Image recording device |
| US8582183B2 (en) * | 2011-04-26 | 2013-11-12 | Kodak Alaris Inc. | Forward facing scanner |
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2020
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| JP2004096295A (en) * | 2002-08-30 | 2004-03-25 | Hitachi Ltd | Contactless image scanner with automatic sheet feeder mechanism |
| JP2006327728A (en) * | 2005-05-24 | 2006-12-07 | Konica Minolta Business Technologies Inc | Document conveyance device and image forming device |
| CN110562773A (en) * | 2019-09-19 | 2019-12-13 | 中北大学 | Paper archives data acquisition device |
| CN111114151A (en) * | 2020-01-16 | 2020-05-08 | 苏州德启智能科技有限公司 | Integrated mechanism for paper scanning, number rubbing and sorting |
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| 文档扫描利器 EPSON DS-520;张越;《个人电脑》;20141215(第12期);全文 * |
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