CN1262103C - Scanner - Google Patents
Scanner Download PDFInfo
- Publication number
- CN1262103C CN1262103C CN 03147275 CN03147275A CN1262103C CN 1262103 C CN1262103 C CN 1262103C CN 03147275 CN03147275 CN 03147275 CN 03147275 A CN03147275 A CN 03147275A CN 1262103 C CN1262103 C CN 1262103C
- Authority
- CN
- China
- Prior art keywords
- image sensor
- sensor module
- contact image
- guide rod
- scanner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention provides a scanning device which comprises a contact type image sensor module and an elastic supporting assembly, wherein the elastic supporting assembly has elastic property, which enables the contact type image sensor module to avoid the defect that images which are captured by a contact type image sensor are obscure because of vertical displacement produced by mechanical friction or other unexpectational factors when the contact type image sensor module is used for scanning.
Description
Technical field
The present invention relates to a kind of scanner, particularly relate to a kind of scanner that comprises a resilient support assemblies.
Background technology
(contact image sensor, scanner CIS) are a kind of general computer peripheral apparatus, are used for scanning document or picture, converting digital data storage to, or do further processing by computer to have contact image sensor.
The CIS scanner module generally includes a light source, a pair of focus lens, an image sensor and bogey.Yet, only 0.3 millimeter of the focusing range of CIS scanner module, promptly file or picture can surpass this scope by the position ± 0.3mm of clear record for receiving the scope of image, and the image that receives just can blur and can not distinguish.Because the focusing range of CIS scanner module is too little, as shown in Figure 1, when bogey 108 moves along guide rod 200, may be unsmooth because of guide rod 200, or other mechanical factor causes the vertical displacement that can't expect, and the image that makes image sensor 104 capture is clear inadequately.For addressing this problem, prior art utilizes its elasticity to make image sensor 104 can not rock when scanning at bogey 108 and 104 devices of image sensor, one elastic parts 202.
But because the space of 104 of bogey 108 and image sensors is limited, size and the elastic force of elastic parts 202 are restricted, so have influenced the life-span of CIS scanner.
Summary of the invention
The invention provides a kind of CIS scanner, comprise a window glass (window glass), a contact image sensor module, a bogey, a guide rod and a resilient support assemblies.Window glass can be positioned over for file or picture.Contact image sensor module is positioned at the below of window glass, in order to the image data on sensing file or the picture.Bogey supplies the carrying contact image sensor module, and has a hole at least.Guide rod is positioned at the below of bogey, and is connected with bogey in a movable mode, when scanning document or picture, moves forward and backward in order to the guiding bogey.Resilient support assemblies is via the hole of bogey, be arranged between guide rod and the contact image sensor module, the elastic force that resilient support assemblies had makes contact image sensor module when mobile, can keep a fixed range with window glass, avoiding because of mechanical factor produces the vertical displacement that can't expect, the image that causes contact image sensor to capture is clear inadequately.
CIS scanner provided by the present invention also comprises a level and smooth assembly, is placed between contact image sensor module and the window glass, to reduce the frictional force between contact image sensor module and the window glass.
Wherein, resilient support assemblies can comprise an annular unit and two branch unitss.Annular unit is socketed on the guide rod movably.Branch units passes the hole of bogey, contacts with contact image sensor module, to support contact image sensor module, makes it can keep a fixed range with window glass when mobile.
The frictional force of annular unit and guide rod when moving for reducing contact image sensor module, resilient support assemblies can comprise a ring-type distance member, is placed between guide rod and annular unit, is used for reducing frictional force therebetween.
Resilient support assemblies also can be other state, for example comprises an arc structure and an elastic portion.Arc structure movably is connected with guide rod.Elastic portion is passed hole, contacts with contact image sensor module, to support contact image sensor module, makes it can keep a fixed range with window glass when mobile.
Description of drawings
Fig. 1 is the cutaway view of existing CIS scanner;
Fig. 2 is the side view of first embodiment of the invention;
Fig. 3 A is the stereogram of the resilient support assemblies of first embodiment of the invention;
Fig. 3 B is the stereogram of the resilient support assemblies of first embodiment of the invention, and its resilient support assemblies comprises a ring-type distance member;
Fig. 4 is the exploded view of first embodiment of the invention;
Fig. 5 is the exploded view of second embodiment of the invention;
Fig. 6 is the stereogram of the resilient support assemblies of second embodiment of the invention;
Fig. 7 is the side view of third embodiment of the invention;
Fig. 8 is the stereogram of the resilient support assemblies of third embodiment of the invention.
Embodiment
CIS scanner provided by the present invention utilizes a resilient support assemblies, makes contact image sensor module can keep a fixed range with window glass when mobile.This resilient support assemblies can comprise an annular unit and a branch units.Wherein, annular unit movably is socketed on the guide rod.Branch units passes the hole of bogey, and butt also supports contact image sensor module, make its when mobile and window glass keep a fixed range.
The side view of first embodiment of the invention as shown in Figure 2, it comprises a window glass 300, a contact image sensor module 302, a bogey 304, a guide rod 306, two level and smooth assemblies 308, an arrangement for guiding 310 and a resilient support assemblies 312a.Window glass 300 is in order to place the file or the picture 314 that will scan.Contact image sensor module 302 is positioned at the below of window glass 300, and it comprises a contact image sensor (not drawing), in order to the image data of acquisition file or picture 314.Bogey 304 is in order to carrying and ccontaining contact image sensor module 302, and bogey 304 has two holes 316,318.Guide rod 306 is positioned at the below of bogey 304, does moving of level for guiding bogey 304 when scanning document or picture 314.Two level and smooth assemblies 308 are placed between bogey 304 and the window glass 300 with a suitable spacing, the frictional force that is produced when scanning to reduce.Arrangement for guiding 310 also is positioned at the downside of bogey 304, as a connecting interface, holds guide rod 306 movably.
The resilient support assemblies 312a of first embodiment is a torsion spring among Fig. 2.As shown in Figure 3A, torsion spring 312a comprises an annular unit 400, two branch unitss 402,404 and two fixation kits 408,410.Annular unit 400 coiling formation and radius need be slightly larger than the radius of guide rod 306, make annular unit 400 movably be socketed on the guide rod 306.Branch units 402,404 passes the hole 316,318 among Fig. 2 respectively, and utilizes fixation kit 408,410 with butt and support contact image sensor module 302.When bogey 304 moves horizontally, mechanical factor may cause bogey 304 to rock together with contact image sensor module 302, and because branch units 402,404 can produce the elastic force shown in the direction of arrow among Fig. 2, can make contact image sensor module 302 and window glass 300 keep a fixed range at any time, make contact image sensor module 302 when scanning, be unlikely to lose burnt.
In order to reduce annular unit 400 when mobile and the frictional force of guide rod 306, resilient support assemblies 312a is shown in Fig. 3 B, can comprise a ring-type distance member 406, it is a hollow circular cylinder, be placed in 400 of guide rod 306 and annular units, be used for reducing the frictional force of 400 of guide rod 306 and annular units.
Fig. 4 the exploded view of a ring-type distance member 406 cooperates Fig. 2, Fig. 3 A and Fig. 3 B simultaneously for first embodiment of the invention comprises, should understand the structure of first embodiment fully.
Except utilizing annular unit, branch units and ring-type distance member to constitute the resilient support assemblies, the present invention also provides another kind of CIS scanner, and its resilient support assemblies comprises an arc structure and an elastic portion.The shape of arc structure matches with guide rod, and resilient support assemblies can movably be connected with guide rod.Elastic portion is passed the hole of bogey, to support contact image sensor module, make its when mobile and window glass keep a fixed range.
Second embodiment of the invention as shown in Figure 5, its bogey 304 comprises a hole 600, allows that a resilient support assemblies 312b passes, to support contact image sensor module 302.The resilient support assemblies 312b of second embodiment comprises an arc structure 700 and a shell fragment 702 as shown in Figure 6.The radian of arc structure 700 just matches with guide rod 306.Shell fragment 702 passes hole 600, and butt also supports contact image sensor module 302.When bogey 304 moves horizontally, mechanical factor may cause bogey 304 to rock together with contact image sensor module 302, and because the elastic force of shell fragment 702, can make contact image sensor module 302 and window glass 300 (not drawing among Fig. 5) keep a fixed range at any time, make contact image sensor module 302 when scanning, be unlikely to lose burnt.It is identical with first embodiment that other that do not mention among second embodiment formed assembly.
Third embodiment of the invention as shown in Figure 7, its bogey 304 comprises two holes 800,802.Its resilient support assemblies 312c comprises an arc structure 804 and two springs 806,808 as shown in Figure 8.Spring 806,808 passes hole 800,802 respectively, and butt also supports contact image sensor module 302.Similarly, when bogey 304 moves horizontally, because the elastic force that spring 806,808 provides shown in the direction of arrow, can make contact image sensor module 302 and window glass 300 keep a specific range at any time, make contact image sensor module 302 when scanning, be unlikely to lose burnt.It is identical with first embodiment that other that do not mention among the 3rd embodiment formed assembly.
Except above-mentioned torsion spring, shell fragment and spring, the disclosed resilient support assemblies of the present invention can comprise that also other has the assembly of identical function.Only in order to specify spirit of the present invention, claim of the present invention should be with being as the criterion that claim was defined for the foregoing description.
Claims (13)
1. scanner comprises:
One window glass;
One contact image sensor module is positioned at the below of this window glass;
One bogey, for this contact image sensor module of carrying, this bogey has at least one hole;
One guide rod is positioned at the below of this bogey, for moving of this bogey of guiding; And
One resilient support assemblies is arranged between this guide rod and this contact image sensor module via this hole, make this contact image sensor module when mobile and this window glass keep a fixed range.
2. scanner as claimed in claim 1 also comprises a level and smooth assembly, is placed between this contact image sensor module and this window glass, to reduce the frictional force between this contact image sensor module and this window glass.
3. scanner as claimed in claim 1, wherein this bogey also comprises an arrangement for guiding, is positioned at a downside of this bogey, in order to hold this guide rod.
4. scanner as claimed in claim 1, wherein this resilient support assemblies comprises:
One annular unit is socketed on this guide rod movably; And
Two branch unitss are in order to support this contact image sensor module.
5. scanner as claimed in claim 4, wherein this resilient support assemblies also comprises a ring-type distance member, is placed between this guide rod and this annular unit, to reduce the frictional force between this guide rod and this annular unit.
6. scanner as claimed in claim 4, wherein this resilient support assemblies is a torsion spring.
7. scanner as claimed in claim 1, wherein this resilient support assemblies comprises:
One circular arc structure, in order to this guide rod tabling; And
One shell fragment is in order to support this contact image sensor module.
8. scanner as claimed in claim 1, wherein this resilient support assemblies comprises:
One circular arc structure, in order to this guide rod tabling; And
Two springs are in order to support this contact image sensor module.
9. scanner as claimed in claim 1 also comprises:
One level and smooth assembly is placed between this contact image sensor module and this window glass, to reduce the frictional force between this contact image sensor module and this window glass; And
One arrangement for guiding is positioned at a downside of this bogey, in order to hold this guide rod; This resilient support assemblies wherein comprises:
One annular unit is socketed on this guide rod movably;
Two branch unitss, via this hole to support this contact image sensor module, make this contact image sensor module when mobile and this window glass keep a fixed range; And
One ring-type distance member is placed between this guide rod and this annular unit, to reduce the frictional force between this guide rod and this annular unit.
10. scanner as claimed in claim 9, wherein this resilient support assemblies is a torsion spring.
11. scanner as claimed in claim 1 also comprises:
One level and smooth assembly is placed between this contact image sensor module and this window glass, to reduce the frictional force between this contact image sensor module and this window glass; And
One arrangement for guiding is positioned at a downside of this bogey, in order to hold this guide rod; This resilient support assemblies wherein comprises:
One arc structure movably is connected with this guide rod; And
One elastic portion, via this hole to support this contact image sensor module, make this contact image sensor module when mobile and this window glass keep a fixed range.
12. scanner as claimed in claim 11, wherein this elastic portion comprises a shell fragment.
13. scanner as claimed in claim 11, wherein this elastic portion comprises two springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03147275 CN1262103C (en) | 2003-07-11 | 2003-07-11 | Scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03147275 CN1262103C (en) | 2003-07-11 | 2003-07-11 | Scanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1571468A CN1571468A (en) | 2005-01-26 |
| CN1262103C true CN1262103C (en) | 2006-06-28 |
Family
ID=34471888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03147275 Expired - Fee Related CN1262103C (en) | 2003-07-11 | 2003-07-11 | Scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1262103C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662560B (en) * | 2008-08-29 | 2012-12-26 | 致伸科技股份有限公司 | Scanning device capable of preventing defocusing phenomenon |
-
2003
- 2003-07-11 CN CN 03147275 patent/CN1262103C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101662560B (en) * | 2008-08-29 | 2012-12-26 | 致伸科技股份有限公司 | Scanning device capable of preventing defocusing phenomenon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1571468A (en) | 2005-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4991497B2 (en) | Image blur correction device | |
| EP1677508B1 (en) | Image reading apparatus with cover member supported by a hinge having an opening limit angle adjustment mechanism | |
| US8300278B2 (en) | Original reader, optical module, and optical reading method | |
| CN1790090A (en) | Mirror support device and optical scanning apparatus adopting the same | |
| CN1178454C (en) | Image readout unit | |
| US7554701B2 (en) | Scanner | |
| CN1205588C (en) | Image reading apparatus | |
| CN1527154A (en) | Imaging apparatus and its cover | |
| CN1297131C (en) | Image reading equipment | |
| JP2001094727A (en) | Method for increasing native resolution of image sensor | |
| US5857133A (en) | Information reading apparatus having a contact image sensor | |
| CN1262103C (en) | Scanner | |
| CN1510499A (en) | Document camera | |
| US8810870B2 (en) | Scanning device | |
| CN1893569A (en) | Mobilization structure of solid video camera appliance, image reading unit and image forming device | |
| US20050270593A1 (en) | Scanner | |
| JP2007027863A (en) | Image reading apparatus | |
| US5923444A (en) | Floating image head design for portable scanner | |
| US5778277A (en) | Tilted scan rail | |
| CN1867031A (en) | Scanner | |
| CN1463135A (en) | Image reader | |
| JP2013005434A (en) | Reading unit of scanner | |
| US20060119729A1 (en) | Image-capture apparatus | |
| CN1747520A (en) | Scanner | |
| CN2570886Y (en) | Linear guiding mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN FANGDA AUTOMATION SYSTEM CO., LTD. Free format text: FORMER OWNER: FANGDA GROUP CO., LTD. Effective date: 20101102 |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: China Taiwan Taoyuan County Patentee after: Qisda Corporation Address before: China Taiwan Taoyuan County Patentee before: Benq Corp. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060628 Termination date: 20130711 |