CN108810306B - Scanner - Google Patents
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- CN108810306B CN108810306B CN201810501097.2A CN201810501097A CN108810306B CN 108810306 B CN108810306 B CN 108810306B CN 201810501097 A CN201810501097 A CN 201810501097A CN 108810306 B CN108810306 B CN 108810306B
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- scanning
- back plate
- automatic paper
- feeder
- scanner
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- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 5
- 241000887125 Chaptalia nutans Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 101150082901 ADF3 gene Proteins 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- H04N1/00525—Providing a more compact apparatus, e.g. sheet discharge tray in cover
-
- 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
- H04N1/00551—Top covers or the like
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Facsimiles In General (AREA)
Abstract
The invention discloses a scanner, wherein a cover plate assembly comprises a cover body, a back plate and an automatic paper feeder, wherein the back plate is arranged on one surface of the cover body, which is close to a scanning window of the scanner and is used for providing a scanning background for flat scanning; the back plate covers the area of the paper guide opening of the automatic paper feeder during flat scanning. When the flat scanning is carried out, the area of the paper guide opening of the automatic paper feeder is covered by the back plate, so that the influence of the paper guide opening on the scanning window can be avoided, and the integration of the scanning window of the automatic paper feeder and the flat scanning window can be realized, thereby reducing the size of the scanning platform in the length direction and achieving the purpose of reducing the size of a machine.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a scanner.
Background
At present, a multifunctional all-in-one machine or a full-function scanner is generally provided with an Auto Document Feeder (ADF) and a flat-panel multifunctional scanner, the two devices share one Contact Image Sensor (CIS) or Charge Coupled Device (CCD) scanning head (each scanning double-side includes 2 scanning heads), as shown in fig. 1, an ADF fixed scanning window 2 is specially opened on one side (near the ADF end) of a glass plate of a flat-panel scanning window 1, that is, when a Document is fed from an ADF3, the scanning head is fixed at the window to acquire scanning data of each page; and when scanning from the flat panel, the scanning head moves at the glass plate window of the other side to obtain scanning data, usually, the length of the scanning platform is that the ADF scanning window 2 (about 30mm) which is a small glass window of one side and the flat scanning window 1 (about 300mm, the length of an A4 paper) which is a large glass window of the other side, and then the middle grid frame body 4 (about 20mm), the total length is more than about 350 mm.
Disclosure of Invention
The technical problem to be solved by the invention is how to further reduce the size of the scanner.
To this end, according to a first aspect, an example of the present invention provides a scanner cover plate assembly comprising: a cover body; the back plate is arranged on one surface of the cover body close to a scanning window of the scanner and used for providing a scanning background for flat scanning, and the flat scanning is a scanning mode that a scanned piece is directly placed on the scanning window; the automatic paper feeder is arranged at one end of the cover body and used for realizing automatic paper feeding scanning; the back plate covers the area of the paper guide opening of the automatic paper feeder during flat scanning.
Optionally, the scanner cover assembly further comprises: and the driving device is connected with the back plate and is used for driving the back plate to cover the area of the paper guide opening of the automatic paper feeder when the flat panel is scanned.
Optionally, the drive means comprises: the motor is arranged on the cover body and used for providing driving force; and the transmission part is respectively connected with the motor and the back plate and is used for driving the back plate to cover the area of the paper guide opening of the automatic paper feeder under the driving of the motor.
Optionally, the back plate has a flat scanning position and an automatic paper feeding scanning position, and the back plate is switched from the automatic paper feeding scanning position to the flat scanning position during flat scanning to cover an area of a paper guide port of the automatic paper feeder.
Optionally, the back plate is a flexible back plate, and a storage device for storing the back plate is disposed at an end of the cover body away from the automatic paper feeder, and is configured to release the needed back plate when the back plate is switched from the automatic paper feeding scanning position to the flat scanning position.
Optionally, the back plate includes an extension portion, disposed at an end of the back plate close to the automatic paper feeder, having a hidden position and an extended position, and configured to switch from the hidden position to the extended position to cover an area of a paper guide port of the automatic paper feeder during flatbed scanning.
Optionally, the transmission member is connected with the automatic paper feeder and used for driving the automatic paper feeder to be far away from the area of the scanning window when the flat panel is scanned.
Optionally, the driving member includes a turning member for turning the automatic paper feeder to a first preset position toward a side away from the back plate.
Optionally, the driving member includes a translation member for translating the automatic paper feeder to a second preset position toward a side facing away from the back plate.
According to a second aspect, an embodiment of the present invention provides a scanner, including: a scanner cover assembly as in any of the first aspects above; a scanning assembly, comprising: a scanning probe and a scanning window; the back plate and the automatic paper feeder share a scanning window.
The scanner and the cover plate assembly thereof provided by the embodiment of the invention comprise a cover body, a back plate, an automatic paper feeder and a cover plate assembly, wherein the back plate is arranged on one surface of the cover body, which is close to a scanning window of the scanner and is used for providing a scanning background for flat scanning; the back plate covers the area of the paper guide opening of the automatic paper feeder during flat scanning. When the flat scanning is carried out, the area of the paper guide opening of the automatic paper feeder is covered by the back plate, so that the influence of the paper guide opening on the scanning window can be avoided, and the integration of the scanning window of the automatic paper feeder and the flat scanning window can be realized, thereby reducing the size of the scanning platform in the length direction and achieving the purpose of reducing the size of a machine.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 shows a simplified schematic diagram of a prior art scanner configuration;
FIG. 2a is a schematic view showing a state before the back plate of the present embodiment covers the paper guide opening area of the automatic paper feeder;
FIG. 2b is a schematic view showing the state after the back plate of the present embodiment covers the paper guide opening area of the automatic paper feeder;
FIG. 3a is a schematic view showing a state before another back plate of the present embodiment covers a paper guide opening area of an automatic paper feeder;
FIG. 3b is a schematic view showing another embodiment of the present invention after the back plate covers the paper guide opening area of the automatic paper feeder;
FIG. 4a is a schematic view showing a state before another back plate of the present embodiment covers a paper guide opening area of an automatic paper feeder;
FIG. 4b is a schematic view showing another embodiment of the present invention after the back plate covers the paper guide opening area of the automatic paper feeder;
FIG. 5a is a schematic view showing a state before another back plate of the present embodiment covers a paper guide opening area of an automatic paper feeder;
FIG. 5b is a schematic view showing another back plate of the present embodiment covering a paper guide opening area of an automatic paper feeder;
FIG. 6a is a schematic view showing a state before another back plate of the present embodiment covers a paper guide opening area of an automatic paper feeder;
FIG. 6b is a schematic view showing another back plate of the present embodiment covering the paper guide opening area of the automatic paper feeder;
fig. 7 shows a schematic block diagram of the structure of the scanner of the present embodiment.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a scanner cover plate assembly, as shown in fig. 2, including: a lid body 10; the back plate 20 is arranged on one surface of the cover body 10 close to a scanning window of the scanner and used for providing a scanning background for flat scanning, and the flat scanning is a scanning mode that a scanned piece is directly placed on the scanning window; an automatic paper feeder 30 disposed at one end of the cover 10 for automatic paper feeding scanning; when the flatbed scanning is performed, a part of the back plate 20 covers the area of the paper guide port 31 of the automatic paper feeder 30. In this embodiment, the back plate 20 is usually a non-transparent white back plate 20, and when the jigsaw scanning is performed, because the white back plate provides a white background, when the scanned object is smaller than the size of the scanning window, no redundant data is scanned, and the scanning quality can be ensured. In a specific embodiment, the cover plate assembly is applied to a scanner with a flat-bed scanning and Auto-Feeder 30(Auto Document Feeder) scanning a common scanning window, when the Auto-Feeder 30 and the flat-bed scanning share a scanning glass, since a Contact Image Sensor (CIS) or a Charge Coupled Device (CCD) scanning head is fixed and the scanning of the scanned paper is completed, the operation of the Auto-Feeder 30 is not affected, but when the flat-bed scanning is performed, since a portion of the cover plate corresponding to the common portion of the scanning window is the paper guide 31 of the Auto-Feeder 30, in the absence of the back plate 20, a portion of the paper guide 31 of the Auto-Feeder 30 is affected when scanning to obtain data, a dark region appears, and particularly when the original width is smaller than the maximum scanning width, the original cannot cover the area of the paper guide 31 of the Auto-Feeder 30, may result in the scanned data being unusable. Therefore, in the present embodiment, when performing flat bed scanning, the area of the paper guide opening 31 of the automatic paper feeder 30 is covered by a portion of the back plate 20, so that when performing flat bed scanning, it is avoided that the scanning quality is affected by scanning redundant data during flat bed scanning. Fig. 2a shows a state before the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, and fig. 2b shows a state after the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, in which the paper guide opening 31 is covered, and fig. 2b does not show a specific structure.
The automatic paper feeder is arranged at one end of the cover body and used for realizing automatic paper feeding scanning; the back plate covers the area of the paper guide opening of the automatic paper feeder during flat scanning. When the flat scanning is carried out, the area of the paper guide opening of the automatic paper feeder is covered by the back plate, so that the influence of the paper guide opening on the scanning window can be avoided, and the integration of the scanning window of the automatic paper feeder and the flat scanning window can be realized, thereby reducing the size of the scanning platform in the length direction and achieving the purpose of reducing the size of a machine.
In this embodiment, when the back plate 20 is required to cover the paper guide opening 31 of the automatic paper feeder 30, the back plate 20 may be pulled to a preset position by manual pulling, and in this embodiment, as shown in fig. 1, the preset position may be limited by a limiting device. When the back plate 20 is required to cover the paper guide opening 31 of the automatic paper feeder 30, the back plate 20 may also be automatically moved to the area of the paper guide opening 31 of the automatic paper feeder 30, and in an alternative embodiment, as shown in fig. 3, the scanner cover plate assembly may further include: and the driving device 40 is connected with the back plate 20 and is used for driving the back plate 20 to cover the area of the paper guide opening 31 of the automatic paper feeder 30 during flat scanning. In this embodiment, the driving device 40 may include a motor 41 disposed on the cover assembly for providing a driving force, and in this embodiment, a linear motor 41 may be used, and a stepping motor 41 may also be used. The driving device 40 may further include a transmission member 42 connected to the motor 41 for transmission, in this embodiment, the transmission member may include a transmission member 42 such as a gear, a chain, a transmission belt, and the transmission member 42 is not limited in this embodiment. The driving member 42 has one end connected to the motor 41 and the other end connected to the back plate 20, and drives the back plate 20 to move under the driving of the motor 41, so as to cover the area of the paper guide opening 31 of the automatic paper feeder 30. Fig. 3a shows a state before the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, fig. 3b shows a state after the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, and an enlarged view of the area in fig. 3b shows a state after the area of the paper guide opening 31 of the automatic paper feeder 30 is covered, in which the paper guide opening 31 is covered, and a specific structure is not shown in fig. 3 b.
In the present embodiment, the back plate 20 has a flat scanning position and an automatic paper feeding scanning position, and the back plate 20 is switched from the automatic paper feeding scanning position to the flat scanning position during flat scanning, and covers the area of the paper guide opening 31 of the automatic paper feeder 30. Specifically, as shown in fig. 4, the back plate 20 may be a flexible back plate 20, the size of the back plate 20 in the length direction may be greater than or equal to the size of the scanning window, a storage device 50 for storing the back plate 20 may be disposed at an end away from the automatic paper feeder 30, specifically, the storage device 50 may be disposed in a cavity of the cover plate, a reel 51 may be disposed in the cavity as the storage device 50, when the back plate 20 is required to cover the area of the paper guide opening 31 of the automatic paper feeder 30, the back plate 20 is pulled to drive the reel 51 to rotate, the back plate 20 on the reel 51 is released, and an end of the back plate 20 close to the automatic paper feeder 30 moves until the area of the DF paper guide opening 31 is covered, so that the back plate 20 reaches the flat scanning position, and when the polar automatic paper feeder 30 scans, the reel 51 may be rolled to recover the back plate 20, so that the back plate. Fig. 4a shows a state before the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, and fig. 4b shows a state after the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, in which the paper guide opening 31 is covered, and a specific structure is not shown in fig. 4 b.
In an alternative embodiment, as shown in fig. 5, the back plate 20 may further include an extension portion 21, which is disposed at an end of the back plate 20 close to the automatic paper feeder 30, and has a hidden position and an extended position, and is used for switching from the hidden position to the extended position during flatbed scanning, and covering an area of the paper guide port 31 of the automatic paper feeder 30. In this embodiment, only the extension portion 21 needs to reciprocate, and in this embodiment, the transmission member 42 may be connected to the extension portion 21 to drive the extension portion 21 to switch between the hidden position and the extended position. Specifically, the hidden position may be located in the cover 10 above the back plate 20, and the area of the paper guide opening 31 may be translated from above the back plate 20 by translation and may be spliced with the back plate 20 as a whole. The extension portion 21 may also be disposed in other areas in the cover 10, for example, inside the cover 10 on the side vertical surface of the automatic paper feeder 30, and when the extension portion 21 is required to cover the area of the paper guide opening 31 of the automatic paper feeder 30, the extension portion 21 may be rotated to the area of the paper guide opening 31 of the automatic paper feeder 30 to be spliced with the back plate 20 into a whole. Fig. 5a shows a state before the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, and fig. 5b shows a state after the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, in which the paper guide opening 31 is covered, and a specific structure is not shown in fig. 5 b.
In order to prevent the paper guide opening 31 of the automatic paper feeder 30 from blocking the back plate 20 when the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, in an alternative embodiment, the transmission member 42 is further used for driving the automatic paper feeder 30 away from the area of the scanning window when driving the back plate 20 to move, so as to provide a covering space for the back plate 20. The back plate 20 can better cover the area of the paper guide opening 31 of the automatic paper feeder 30.
In an alternative embodiment, the driving member 42 includes a flip member, which may be connected to the automatic paper feeder 30 via a gear, for flipping the automatic paper feeder 30 to a first preset position toward a side away from the back plate 20. The first preset position is any position where the automatic paper feeder 30 can be turned over to the side away from the back plate 20 without affecting the movement of the back plate 20. As another alternative, as shown in fig. 6, the transmission member 42 includes a translation member, which may be connected to the automatic paper feeder 30 by a chain or a gear, for translating the automatic paper feeder 30 to a second preset position toward a side away from the back plate 20. The second preset position may be any position after the automatic sheet feeder 30 leaves the scanning window. Fig. 6a shows a state before the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30, and fig. 6b shows a state after the back plate 20 covers the area of the paper guide opening 31 of the automatic paper feeder 30.
An embodiment of the present invention provides a scanner, as shown in fig. 7, including a scanner cover plate assembly 100 and a scanning assembly 200 described in any one of the above embodiments, including: a scanning probe (not shown) and a scanning window 210; the back plate 20 and the auto document feeder 30 share a scanning window 210. In this embodiment, the scanning window 210 shared by the back plate 20 and the automatic paper feeder 30 can omit the middle grid frame of the scanning window of the traditional automatic paper feeder 30, so that the multifunctional scanner with the built-in automatic paper feeder 30 and a flat panel can share the scanning window, the limitation of the machine on the transverse length can be reduced, and the machine can be designed to be smaller.
In the present embodiment, when the auto document feeder 30 and the flatbed multifunction scanner share the scanning window, the scanning head is fixed, and the scanning of the scanned paper is completed, so the operation of the auto document feeder 30 is not affected, but when the flatbed scanner scans, because the part of the cover plate corresponding to the shared part of the scanning window is the paper guide 31 of the auto document feeder 30, without the back plate 20, the paper guide 31 of the auto document feeder 30 may be affected when scanning to obtain data, and a dark area may appear, especially when the original width is smaller than the maximum scanning width, the original may not cover the area corresponding to the paper guide 31 of the auto document feeder 30, and the scanned data may be unusable, in the present embodiment, through the cover plate assembly in the above embodiment, when performing flatbed scanning, the back plate 20 covers the area corresponding to the paper guide 31 of the auto document feeder 30, therefore, the scanned data avoids the situation that the scanned data is unavailable due to the occurrence of redundant data in a darker area. In an optional embodiment, the scan data may be processed by a scanning method, so as to solve the above problem, specifically, obtain the scan data; judging whether preset data exist in an automatic paper feeding scanning area or not; and when the preset data exist in the automatic paper feeding scanning area, removing the preset data. In this embodiment, the preset data may be calibrated by scanning the area of the paper guide 31 of the automatic paper feeder 30 through a flat bed, and specifically, the scanning position, the data amount, the data format and the area range of the area of the paper guide 31 of the automatic paper feeder 30 may be collected. In this embodiment, it may be compared whether data similar to the preset data exists in the current scanning data, specifically, the position, the data amount, the data form and the area range may be compared, and when the preset data exists in the automatic paper feeding scanning area, the data is removed, and the data in the area may be restored to be transparent or white.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (8)
1. A scanner, comprising:
a cover body;
a scanning assembly, comprising: a scanning probe and a scanning window;
the backboard is arranged on one surface of the cover body close to a scanning window of the scanner and used for providing a scanning background for flat scanning, and the flat scanning is a scanning mode that a scanned piece is directly placed on the scanning window;
the automatic paper feeder is arranged at one end of the cover body and used for realizing automatic paper feeding scanning;
the back plate and the automatic paper feeder share the scanning window; the back plate is provided with a flat scanning position and an automatic paper feeding scanning position, and is switched from the automatic paper feeding scanning position to the flat scanning position during flat scanning, so that the back plate covers the area, facing the paper guide opening of the scanning window, of the automatic paper feeder during flat scanning;
and moving to an area not covering the paper guide opening of the automatic paper feeder facing the scanning window during automatic paper feeding scanning.
2. The scanner of claim 1, further comprising:
and the driving device is connected with the back plate and used for driving the back plate to cover the area of the paper guide opening of the automatic paper feeder during flat scanning.
3. The scanner of claim 2, wherein said drive means comprises:
the motor is arranged on the cover body and used for providing driving force;
and the transmission part is respectively connected with the motor and the back plate and is used for driving the back plate to cover the area of the paper guide opening of the automatic paper feeder under the driving of the motor.
4. The scanner of claim 1,
the back plate is a flexible back plate, and a storage device for storing the back plate is arranged at one end, far away from the automatic paper feeder, of the cover body and is used for releasing part of the needed back plate when the back plate is switched from the automatic paper feeding scanning position to the flat scanning position.
5. The scanner of any of claims 1-3,
the backboard comprises an extension part, wherein the extension part is arranged at one end, close to the automatic paper feeder, of the backboard, and is provided with a hidden position and an extended position, and the hidden position is switched to the extended position to cover the area of the paper guide port of the automatic paper feeder when the flat panel is scanned.
6. The scanner of claim 3, wherein said drive member is coupled to said auto-feeder for driving said auto-feeder away from an area of said scanning window during flatbed scanning.
7. The scanner of claim 6, wherein the drive member includes a flip member for flipping the auto document feeder to a first predetermined position toward a side away from the back plate.
8. The scanner of claim 6, wherein the drive member includes a translation member for translating the auto feeder to a second predetermined position toward a side away from the back plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501097.2A CN108810306B (en) | 2018-05-23 | 2018-05-23 | Scanner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501097.2A CN108810306B (en) | 2018-05-23 | 2018-05-23 | Scanner |
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| Publication Number | Publication Date |
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| CN108810306A CN108810306A (en) | 2018-11-13 |
| CN108810306B true CN108810306B (en) | 2019-12-24 |
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| CN201810501097.2A Active CN108810306B (en) | 2018-05-23 | 2018-05-23 | Scanner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113315880A (en) * | 2021-04-23 | 2021-08-27 | 北京世纪影源科技有限公司 | Combined scanner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8032071B2 (en) * | 2007-01-31 | 2011-10-04 | Ricoh Company, Ltd | Image forming apparatus including a reading part supported by first and second supporters |
| JP5195017B2 (en) * | 2007-09-14 | 2013-05-08 | 株式会社リコー | Image forming apparatus |
| JP5089734B2 (en) * | 2010-07-12 | 2012-12-05 | シャープ株式会社 | Image reading apparatus and image forming apparatus having the same |
| CN103517602A (en) * | 2012-06-19 | 2014-01-15 | 鸿富锦精密工业（深圳）有限公司 | Electronic device |
| TWM501056U (en) * | 2015-01-06 | 2015-05-11 | Avision Inc | Multifunction machine |
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Address after: 300450 room 310, No.1 Second Street, airport international logistics zone, pilot free trade zone (Airport Economic Zone), Dongli District, Tianjin Patentee after: Zhixiang Technology Co.,Ltd. Address before: 300450 room 310, No. 1, Second Street, airport international logistics zone, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Patentee before: LENOVO IMAGE (TIANJIN) TECHNOLOGY Co.,Ltd. |